Merge pull request #942 from pelias/unexpected_parameters

Check for unexpected parameters in query input

sanitizer/_boundary_country.js

@@ -1,7 +1,7 @@
-var check = require('check-types');
-var iso3166 = require('iso3166-1');
+const check = require('check-types');
+const iso3166 = require('iso3166-1');
 
-function sanitize(raw, clean) {
+function _sanitize(raw, clean) {
   // error & warning messages
   var messages = { errors: [], warnings: [] };
 
@@ -37,4 +37,11 @@ function containsIsoCode(isoCode) {
   return iso3166.is2(isoCode) || iso3166.is3(isoCode);
 }
 
-module.exports = sanitize;
+function _expected(){
+  return [{ name: 'boundary.country' }];
+}
+
+module.exports = () => ({
+  sanitize: _sanitize,
+  expected: _expected
+});

sanitizer/_categories.js

@@ -1,4 +1,3 @@
-
 var check = require('check-types');
 var categoryTaxonomy = require('pelias-categories');
 
@@ -8,7 +7,7 @@ var ERRORS = {
 };
 
 // validate inputs, convert types and apply defaults
-function sanitize( raw, clean, categories ) {
+function _sanitize( raw, clean, categories ) {
 
   categories = categories || categoryTaxonomy;
 
@@ -50,5 +49,11 @@ function sanitize( raw, clean, categories ) {
   return messages;
 }
 
+function _expected() {
+  return [{ name: 'categories' }];
+}
 // export function
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize,
+  expected: _expected
+});

sanitizer/_city_name_standardizer.js

@@ -15,7 +15,7 @@ function transliterate(match) {
 }
 
 // transliterate ft/mt/saint/sainte to fort/mount/st/ste, respectively
-function sanitize(raw, clean) {
+function _sanitize(raw, clean) {
   // error & warning messages
   // this function doesn't add any error or warning messages
   const messages = { errors: [], warnings: [] };
@@ -44,4 +44,6 @@ function sanitize(raw, clean) {
 
 }
 
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize
+});

sanitizer/_deprecate_quattroshapes.js

@@ -10,7 +10,7 @@ var _ = require('lodash');
   @see: https://github.com/pelias/api/issues/442
 **/
 
-function sanitize( raw, clean, opts ) {
+function _sanitize( raw, clean, opts ) {
   // error & warning messages
   var messages = { errors: [], warnings: [] };
 
@@ -38,4 +38,6 @@ function sanitize( raw, clean, opts ) {
   return messages;
 }
 
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize
+});

sanitizer/_flag_bool.js

@@ -5,38 +5,46 @@ var _ = require('lodash');
  *
  * @param {string} paramName name of parameter being sanitized
  * @param {boolean} defaultValue value to set variable to if none specified
- * @returns {Function}
+ * @returns {Object} object containing functions
  */
-function setup( paramName, defaultValue ) {
-  return function( raw, clean ){
-    return sanitize( raw, clean, {
-      paramName: paramName,
-      defaultValue: defaultValue
-    });
+function _setup( paramName, defaultValue ) {
+  /**
+   * {object} opts
+  */
+
+  const opts = {
+    paramName: paramName,
+    defaultValue: defaultValue
   };
-}
 
-/**
- * Validate inputs, convert types and apply defaults
- *
- * @param {object} raw
- * @param {object} clean
- * @param {object} opts
- * @returns {{errors: Array, warnings: Array}}
- */
-function sanitize( raw, clean, opts ){
-
-  // error & warning messages`1
-  var messages = { errors: [], warnings: [] };
-
-  if( !_.isUndefined( raw[opts.paramName] ) ){
-    clean[opts.paramName] = isTruthy( raw[opts.paramName] );
-  }
-  else {
-    clean[opts.paramName] = opts.defaultValue;
-  }
-  return messages;
-}
+  return {
+    /**
+     * Validate inputs, convert types and apply defaults
+     *
+     * @param {object} raw
+     * @param {object} clean
+     * @returns {{errors: Array, warnings: Array}}
+     */
+
+    sanitize: function _sanitize( raw, clean){
+
+      // error & warning messages`1
+      var messages = { errors: [], warnings: [] };
+
+      if( !_.isUndefined( raw[opts.paramName] ) ){
+        clean[opts.paramName] = isTruthy( raw[opts.paramName] );
+      }
+      else {
+        clean[opts.paramName] = opts.defaultValue;
+      }
+      return messages;
+    }, // end of _sanitize function
+
+    expected: function _expected(){
+      return [{ name: opts.paramName}];
+    } // end of _expected function
+  }; // end of return object
+} // end of _setup function
 
 /**
  * Determine if param value is "truthy"
@@ -47,4 +55,4 @@ function isTruthy(val) {
   return _.includes( ['true', '1', 1, true], val );
 }
 
-module.exports = setup;
+module.exports = _setup;

sanitizer/_geo_autocomplete.js

@@ -3,7 +3,7 @@ var LAT_LON_IS_REQUIRED = false;
 var RECT_IS_REQUIRED = false;
 
 // validate inputs, convert types and apply defaults
-module.exports = function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
 
   // error & warning messages
   var messages = { errors: [], warnings: [] };
@@ -17,4 +17,19 @@ module.exports = function sanitize( raw, clean ){
   }
 
   return messages;
-};
+}
+
+function _expected(){
+  return [
+  { name: 'focus.point.lat' },
+  { name: 'focus.point.lon' },
+  { name: 'boundary.rect.min_lat' },
+  { name: 'boundary.rect.max_lat' },
+  { name: 'boundary.rect.min_lon' },
+  { name: 'boundary.rect.max_lon' }];
+}
+
+module.exports = () => ({
+  sanitize: _sanitize,
+  expected: _expected
+});

sanitizer/_geo_reverse.js

@@ -7,7 +7,7 @@ var LAT_LON_IS_REQUIRED = true,
 const non_coarse_layers = ['venue', 'address', 'street'];
 
 // validate inputs, convert types and apply defaults
-module.exports = function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
 
   // error & warning messages
   var messages = { errors: [], warnings: [] };
@@ -38,4 +38,18 @@ module.exports = function sanitize( raw, clean ){
   }
 
   return messages;
-};
+}
+
+function _expected(){
+  return [
+  { name: 'point.lat' },
+  { name: 'point.lon' },
+  { name: 'boundary.circle.lon' }, // copied from point.lon by the API, not user input
+  { name: 'boundary.circle.lat' }, // copied from point.lat by the API, not user input
+  { name: 'boundary.circle.radius'}];
+}
+
+module.exports = () => ({
+  sanitize: _sanitize,
+  expected: _expected
+});

sanitizer/_geo_search.js

@@ -6,7 +6,7 @@ var RECT_IS_REQUIRED = false;
 var CIRCLE_IS_REQUIRED = false;
 
 // validate inputs, convert types and apply defaults
-module.exports = function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
 
   // error & warning messages
   var messages = { errors: [], warnings: [] };
@@ -21,4 +21,22 @@ module.exports = function sanitize( raw, clean ){
   }
 
   return messages;
-};
+}
+
+function _expected(){
+  return [
+    { name: 'focus.point.lat' },
+    { name: 'focus.point.lon' },
+    { name: 'boundary.circle.lon'},
+    { name: 'boundary.circle.lat'},
+    { name: 'boundary.circle.radius'},
+    { name: 'boundary.rect.min_lat' },
+    { name: 'boundary.rect.max_lat' },
+    { name: 'boundary.rect.min_lon' },
+    { name: 'boundary.rect.max_lon' }];
+}
+
+module.exports = () => ({
+  sanitize: _sanitize,
+  expected: _expected
+});

sanitizer/_geonames_deprecation.js

@@ -5,7 +5,7 @@ with the release of coarse reverse as a separate thing and ES reverse only
 handling venues, addresses, and streets, geonames make no sense in the reverse context
 **/
 
-function sanitize( raw, clean, opts ) {
+function _sanitize( raw, clean, opts ) {
   // error & warning messages
   const messages = { errors: [], warnings: [] };
 
@@ -19,7 +19,9 @@ function sanitize( raw, clean, opts ) {
   }
 
   return messages;
-  
+
 }
 
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize
+});

sanitizer/_geonames_warnings.js

@@ -9,7 +9,7 @@ function hasAnyNonAdminFields(parsed_text) {
               non_admin_fields));
 }
 
-function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
   // error & warning messages
   const messages = { errors: [], warnings: [] };
 
@@ -34,4 +34,6 @@ function sanitize( raw, clean ){
   return messages;
 }
 
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize
+});

sanitizer/_ids.js

@@ -52,7 +52,7 @@ function sanitizeId(rawId, messages) {
   };
 }
 
-function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
   // error & warning messages
   var messages = { errors: [], warnings: [] };
 
@@ -84,5 +84,11 @@ function sanitize( raw, clean ){
   return messages;
 }
 
+function _expected(){
+  return [{ name: 'ids' }];
+}
 // export function
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize,
+  expected: _expected
+});

sanitizer/_iso2_to_iso3.js

@@ -4,7 +4,7 @@ const iso3166 = require('iso3166-1');
 // this sanitizer exists solely to convert an ISO2 country value to ISO3
 // eg - 'TH' -> 'THA'
 // this can go away once altnames imports ISO2 country values from WOF
-function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
   // error & warning messages
   const messages = { errors: [], warnings: [] };
 
@@ -16,4 +16,6 @@ function sanitize( raw, clean ){
 }
 
 // export function
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize
+});

sanitizer/_location_bias.js

@@ -4,28 +4,29 @@ Set a focus.lat and focus.lon if specified in pelias config
 * @param {object} defaultParameters property of pelias config
 */
 
-function setup(defaultParameters){
+function _setup(defaultParameters){
+  return {
+    sanitize: function sanitize(raw, clean){
+  /*
+  check that:
+  1. {object} raw exists
+  2. pelias-config included the properties focus.point.lat and focus.point.lon
+  3. raw.focus.point.lon and raw.focus.point.lat have not been set
+  */
+      if (!_.isUndefined(raw) &&
+        !_.isUndefined(defaultParameters['focus.point.lat']) &&
+        !_.isUndefined(defaultParameters['focus.point.lon']) &&
+        !_.has(raw, 'focus.point.lon') &&
+        !_.has(raw, 'focus.point.lat') ) {
 
-  return function setLocationBias(raw, clean){
-/*
-check that:
-1. {object} raw exists
-2. pelias-config included the properties focus.point.lat and focus.point.lon
-3. raw.focus.point.lon and raw.focus.point.lat have not been set
-*/
-    if (!_.isUndefined(raw) &&
-      !_.isUndefined(defaultParameters['focus.point.lat']) &&
-      !_.isUndefined(defaultParameters['focus.point.lon']) &&
-      !_.has(raw, 'focus.point.lon') &&
-      !_.has(raw, 'focus.point.lat') ) {
+        raw['focus.point.lat'] = defaultParameters['focus.point.lat'];
+        raw['focus.point.lon'] = defaultParameters['focus.point.lon'];
+      }
 
-      raw['focus.point.lat'] = defaultParameters['focus.point.lat'];
-      raw['focus.point.lon'] = defaultParameters['focus.point.lon'];
+      return { errors: [], warnings: [] };
     }
-
-    return { errors: [], warnings: [] };
   };
 }
 
 // if focus.point.lat and focus.point.lon already exists, don't change
-module.exports = setup;
+module.exports = _setup;

sanitizer/_single_scalar_parameters.js

@@ -3,7 +3,7 @@ var _ = require('lodash'),
     check = require('check-types');
 
 // validate inputs
-function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
   // error & warning messages
   var messages = { errors: [], warnings: [] };
 
@@ -22,4 +22,6 @@ function sanitize( raw, clean ){
 }
 
 // export function
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize
+});

sanitizer/_size.js

@@ -5,40 +5,47 @@ var MIN_SIZE = 1,
     DEFAULT_SIZE = 10;
 
 // validate inputs, convert types and apply defaults
-function setup( size_min, size_max, size_def ){
+function _setup( size_min, size_max, size_def ){
 
   // allow caller to inject custom min/max/default values
   if( !check.number( size_min ) ){ size_min = MIN_SIZE; }
   if( !check.number( size_max ) ){ size_max = MAX_SIZE; }
   if( !check.number( size_def ) ){ size_def = DEFAULT_SIZE; }
 
-  return function sanitize( raw, clean ){
-
-    // error & warning messages
-    var messages = { errors: [], warnings: [] };
-
-    // coercions
-    clean.size = parseInt( raw.size, 10 );
-
-    // invalid numeric input
-    if( isNaN( clean.size ) ){
-      clean.size = size_def;
+  return {
+    sanitize: function _sanitize( raw, clean ){
+
+      // error & warning messages
+      var messages = { errors: [], warnings: [] };
+
+      // coercions
+      clean.size = parseInt( raw.size, 10 );
+
+      // invalid numeric input
+      if( isNaN( clean.size ) ){
+        clean.size = size_def;
+      }
+      // ensure size falls within defined range
+      else if( clean.size > size_max ){
+        // set the max size
+        messages.warnings.push('out-of-range integer \'size\', using MAX_SIZE');
+        clean.size = size_max;
+      }
+      else if( clean.size < size_min ){
+        // set the min size
+        messages.warnings.push('out-of-range integer \'size\', using MIN_SIZE');
+        clean.size = size_min;
+      }
+
+      return messages;
+    },
+
+    expected: function _expected() {
+      // add size as a valid parameter
+      return [{ name: 'size' }];
     }
-    // ensure size falls within defined range
-    else if( clean.size > size_max ){
-      // set the max size
-      messages.warnings.push('out-of-range integer \'size\', using MAX_SIZE');
-      clean.size = size_max;
-    }
-    else if( clean.size < size_min ){
-      // set the min size
-      messages.warnings.push('out-of-range integer \'size\', using MIN_SIZE');
-      clean.size = size_min;
-    }
-
-    return messages;
   };
 }
 
 // export function
-module.exports = setup;
+module.exports = _setup;

sanitizer/_sources_and_layers.js

@@ -5,7 +5,7 @@ var type_mapping = require( '../helper/type_mapping' );
  * This sanitizer depends on clean.layers and clean.sources
  * so it has to be run after those sanitizers have been run
  */
-function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
   var messages = { errors: [], warnings: [] };
 
   var possible_errors = [];
@@ -34,4 +34,11 @@ function sanitize( raw, clean ){
   return messages;
 }
 
-module.exports = sanitize;
+function _expected(){
+  return [{ 'name': 'sources' }, { 'name': 'layers' }];
+}
+
+module.exports = () => ({
+  sanitize: _sanitize,
+  expected: _expected
+});

sanitizer/_synthesize_analysis.js

@@ -35,7 +35,7 @@ function getHouseNumberField(analyzed_address) {
 
 }
 
-function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
 
   // error & warning messages
   const messages = { errors: [], warnings: [] };
@@ -86,5 +86,20 @@ function sanitize( raw, clean ){
   return messages;
 }
 
+function _expected() {
+  return [
+    { 'name': 'venue' },
+    { 'name': 'address' },
+    { 'name': 'neighbourhood' },
+    { 'name': 'borough' },
+    { 'name': 'locality' },
+    { 'name': 'county' },
+    { 'name': 'region' },
+    { 'name': 'postalcode' },
+    { 'name': 'country' }];
+}
 // export function
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize,
+  expected: _expected
+});

sanitizer/_targets.js

@@ -5,70 +5,72 @@ function getValidKeys(mapping) {
   return _.uniq(Object.keys(mapping)).join(',');
 }
 
-function setup( paramName, targetMap ) {
-  return function( raw, clean ){
-    return sanitize( raw, clean, {
-      paramName: paramName,
-      targetMap: targetMap,
-      targetMapKeysString: getValidKeys(targetMap)
-    });
+function _setup( paramName, targetMap ) {
+  const opts = {
+    paramName: paramName,
+    targetMap: targetMap,
+    targetMapKeysString: getValidKeys(targetMap)
   };
-}
 
-function sanitize( raw, clean, opts ) {
-  // error & warning messages
-  var messages = { errors: [], warnings: [] };
-
-  // the string of targets (comma delimeted)
-  var targetsString = raw[opts.paramName];
-
-  // trim whitespace
-  if( check.nonEmptyString( targetsString ) ){
-    targetsString = targetsString.trim();
-
-    // param must be a valid non-empty string
-    if( !check.nonEmptyString( targetsString ) ){
-      messages.errors.push(
-        opts.paramName + ' parameter cannot be an empty string. Valid options: ' + opts.targetMapKeysString
-      );
-    }
-    else {
-
-      // split string in to array and lowercase each target string
-      var targets = targetsString.split(',').map( function( target ){
-        return target.toLowerCase(); // lowercase inputs
-      });
-
-      // emit an error for each target *not* present in the targetMap
-      targets.filter( function( target ){
-        return !opts.targetMap.hasOwnProperty(target);
-      }).forEach( function( target ){
-        messages.errors.push(
-          '\'' + target + '\' is an invalid ' + opts.paramName + ' parameter. Valid options: ' + opts.targetMapKeysString
-        );
-      });
+  return {
+    sanitize: function _sanitize( raw, clean ) {
+      // error & warning messages
+      var messages = { errors: [], warnings: [] };
+
+      // the string of targets (comma delimeted)
+      var targetsString = raw[opts.paramName];
+
+      // trim whitespace
+      if( check.nonEmptyString( targetsString ) ){
+        targetsString = targetsString.trim();
+
+        // param must be a valid non-empty string
+        if( !check.nonEmptyString( targetsString ) ){
+          messages.errors.push(
+            opts.paramName + ' parameter cannot be an empty string. Valid options: ' + opts.targetMapKeysString
+          );
+        }
+        else {
+
+          // split string in to array and lowercase each target string
+          var targets = targetsString.split(',').map( function( target ){
+            return target.toLowerCase(); // lowercase inputs
+          });
 
-      // only set types value when no error occured
-      if( !messages.errors.length ){
-        clean[opts.paramName] = targets.reduce(function(acc, target) {
-          return acc.concat(opts.targetMap[target]);
-        }, []);
+          // emit an error for each target *not* present in the targetMap
+          targets.filter( function( target ){
+            return !opts.targetMap.hasOwnProperty(target);
+          }).forEach( function( target ){
+            messages.errors.push(
+              '\'' + target + '\' is an invalid ' + opts.paramName + ' parameter. Valid options: ' + opts.targetMapKeysString
+            );
+          });
 
-        // dedupe in case aliases expanded to common things or user typed in duplicates
-        clean[opts.paramName] = _.uniq(clean[opts.paramName]);
+          // only set types value when no error occured
+          if( !messages.errors.length ){
+            clean[opts.paramName] = targets.reduce(function(acc, target) {
+              return acc.concat(opts.targetMap[target]);
+            }, []);
+
+            // dedupe in case aliases expanded to common things or user typed in duplicates
+            clean[opts.paramName] = _.uniq(clean[opts.paramName]);
+          }
+        }
       }
-    }
-  }
 
-  // string is empty
-  else if( check.string( targetsString ) ){
-    messages.errors.push(
-      opts.paramName + ' parameter cannot be an empty string. Valid options: ' + opts.targetMapKeysString
-    );
-  }
+      // string is empty
+      else if( check.string( targetsString ) ){
+        messages.errors.push(
+          opts.paramName + ' parameter cannot be an empty string. Valid options: ' + opts.targetMapKeysString
+        );
+      }
 
 
-  return messages;
-}
+      return messages;
+    } // end of _sanitize function
+
+  }; // end of object to be returned
+} // end of _setup function
+
 
-module.exports = setup;
+module.exports = _setup;

sanitizer/_text.js

@@ -2,7 +2,8 @@ const check = require('check-types');
 const _ = require('lodash');
 
 // validate texts, convert types and apply defaults
-function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
+
   // error & warning messages
   const messages = { errors: [], warnings: [] };
 
@@ -20,5 +21,11 @@ function sanitize( raw, clean ){
   return messages;
 }
 
+function _expected(){
+  return [{ name: 'text' }];
+}
 // export function
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize,
+  expected: _expected
+});

sanitizer/_text_addressit.js

@@ -5,7 +5,7 @@ var _      = require('lodash');
 var logger = require('pelias-logger').get('api');
 
 // validate texts, convert types and apply defaults
-function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
 
   // error & warning messages
   var messages = { errors: [], warnings: [] };
@@ -35,10 +35,15 @@ function sanitize( raw, clean ){
   return messages;
 }
 
-// export function
-module.exports = sanitize;
-
+function _expected(){
+  return [{ name: 'text' }];
+}
 
+// export function
+module.exports = () => ({
+  sanitize: _sanitize,
+  expected: _expected
+});
 
 // this is the addressit functionality from https://github.com/pelias/text-analyzer/blob/master/src/addressItParser.js
 var DELIM = ',';

sanitizer/_tokenizer.js

@@ -14,7 +14,7 @@ var check = require('check-types');
   note: this sanitizer should run *after* the '_text' sanitizer so it can
   use the output of clean.parsed_text where available.
 **/
-function sanitize( raw, clean ){
+function _sanitize( raw, clean ){
 
   // error & warning messages
   var messages = { errors: [], warnings: [] };
@@ -103,4 +103,6 @@ function sanitize( raw, clean ){
 }
 
 // export function
-module.exports = sanitize;
+module.exports = () => ({
+  sanitize: _sanitize
+});

sanitizer/autocomplete.js

@@ -4,30 +4,23 @@ var sanitizeAll = require('../sanitizer/sanitizeAll');
 // middleware
 module.exports.middleware = (_api_pelias_config) => {
   var sanitizers = {
-      singleScalarParameters: require('../sanitizer/_single_scalar_parameters'),
-      text: require('../sanitizer/_text_addressit'),
-      tokenizer: require('../sanitizer/_tokenizer'),
+      singleScalarParameters: require('../sanitizer/_single_scalar_parameters')(),
+      text: require('../sanitizer/_text_addressit')(),
+      tokenizer: require('../sanitizer/_tokenizer')(),
       size: require('../sanitizer/_size')(10, 10, 10),
       layers: require('../sanitizer/_targets')('layers', type_mapping.layer_mapping),
       sources: require('../sanitizer/_targets')('sources', type_mapping.source_mapping),
       // depends on the layers and sources sanitizers, must be run after them
-      sources_and_layers: require('../sanitizer/_sources_and_layers'),
+      sources_and_layers: require('../sanitizer/_sources_and_layers')(),
       private: require('../sanitizer/_flag_bool')('private', false),
       location_bias: require('../sanitizer/_location_bias')(_api_pelias_config.defaultParameters),
-      geo_autocomplete: require('../sanitizer/_geo_autocomplete'),
-      boundary_country: require('../sanitizer/_boundary_country'),
-      categories: require('../sanitizer/_categories')
+      geo_autocomplete: require('../sanitizer/_geo_autocomplete')(),
+      boundary_country: require('../sanitizer/_boundary_country')(),
+      categories: require('../sanitizer/_categories')()
     };
 
-  var sanitize = function(req, cb) { sanitizeAll(req, sanitizers, cb); };
-
-  return function( req, res, next ){
-    sanitize( req, function( err, clean ){
-      if( err ){
-        res.status(400); // 400 Bad Request
-        return next(err);
-      }
+  return ( req, res, next ) => {
+    sanitizeAll.runAllChecks(req, sanitizers);
     next();
-    });
   };
 };

sanitizer/defer_to_addressit.js

@@ -1,9 +1,8 @@
 const sanitizeAll = require('../sanitizer/sanitizeAll'),
     sanitizers = {
-      text: require('../sanitizer/_text_addressit')
+      text: require('../sanitizer/_text_addressit')()
     };
 
-const sanitize = function(req, cb) { sanitizeAll(req, sanitizers, cb); };
 const logger = require('pelias-logger').get('api');
 const logging = require( '../helper/logging' );
 
@@ -23,9 +22,8 @@ module.exports = (should_execute) => {
       logger.info(`fallback queryText: ${queryText}`);
     }
 
-    sanitize( req, function( err, clean ){
-      next();
-    });
+    sanitizeAll.sanitize(req, sanitizers);
+    next();
 
   };
 

sanitizer/nearby.js

@@ -1,21 +1,24 @@
-var _ = require('lodash');
 var sanitizeAll = require('../sanitizer/sanitizeAll');
-var reverseSanitizers = require('./reverse').sanitizer_list;
+var type_mapping = require('../helper/type_mapping');
 
 // add categories to the sanitizer list
-var sanitizers = _.merge({}, reverseSanitizers, {
-  categories: require('../sanitizer/_categories')
-});
-
-var sanitize = function(req, cb) { sanitizeAll(req, sanitizers, cb); };
-
-// export sanitize for testing
-module.exports.sanitize = sanitize;
-module.exports.sanitizer_list = sanitizers;
+var sanitizers = {
+  singleScalarParameters: require('../sanitizer/_single_scalar_parameters')(),
+  quattroshapes_deprecation: require('../sanitizer/_deprecate_quattroshapes')(),
+  layers: require('../sanitizer/_targets')('layers', type_mapping.layer_mapping),
+  sources: require('../sanitizer/_targets')('sources', type_mapping.source_mapping),
+  // depends on the layers and sources sanitizers, must be run after them
+  sources_and_layers: require('../sanitizer/_sources_and_layers')(),
+  geonames_deprecation: require('../sanitizer/_geonames_deprecation')(),
+  size: require('../sanitizer/_size')(/* use defaults*/),
+  private: require('../sanitizer/_flag_bool')('private', false),
+  geo_reverse: require('../sanitizer/_geo_reverse')(),
+  boundary_country: require('../sanitizer/_boundary_country')(),
+  categories: require('../sanitizer/_categories')()
+};
 
 // middleware
 module.exports.middleware = function( req, res, next ){
-  sanitize( req, function( err, clean ){
-    next();
-  });
+  sanitizeAll.runAllChecks(req, sanitizers);
+  next();
 };

sanitizer/place.js

@@ -1,20 +1,13 @@
 
 var sanitizeAll = require('../sanitizer/sanitizeAll'),
     sanitizers = {
-      singleScalarParameters: require('../sanitizer/_single_scalar_parameters'),
-      ids: require('../sanitizer/_ids'),
+      singleScalarParameters: require('../sanitizer/_single_scalar_parameters')(),
+      ids: require('../sanitizer/_ids')(),
       private: require('../sanitizer/_flag_bool')('private', false)
     };
 
-var sanitize = function(req, cb) { sanitizeAll(req, sanitizers, cb); };
-
-// export sanitize for testing
-module.exports.sanitize = sanitize;
-module.exports.sanitizer_list = sanitizers;
-
 // middleware
-module.exports.middleware = function( req, res, next ){
-  sanitize( req, function( err, clean ){
-    next();
-  });
+module.exports.middleware = function(req, res, next){
+  sanitizeAll.runAllChecks(req, sanitizers);
+  next();
 };

sanitizer/reverse.js

@@ -2,28 +2,21 @@
 var type_mapping = require('../helper/type_mapping');
 var sanitizeAll = require('../sanitizer/sanitizeAll'),
     sanitizers = {
-      singleScalarParameters: require('../sanitizer/_single_scalar_parameters'),
-      quattroshapes_deprecation: require('../sanitizer/_deprecate_quattroshapes'),
+      singleScalarParameters: require('../sanitizer/_single_scalar_parameters')(),
+      quattroshapes_deprecation: require('../sanitizer/_deprecate_quattroshapes')(),
       layers: require('../sanitizer/_targets')('layers', type_mapping.layer_mapping),
       sources: require('../sanitizer/_targets')('sources', type_mapping.source_mapping),
       // depends on the layers and sources sanitizers, must be run after them
-      sources_and_layers: require('../sanitizer/_sources_and_layers'),
-      geonames_deprecation: require('../sanitizer/_geonames_deprecation'),
+      sources_and_layers: require('../sanitizer/_sources_and_layers')(),
+      geonames_deprecation: require('../sanitizer/_geonames_deprecation')(),
       size: require('../sanitizer/_size')(/* use defaults*/),
       private: require('../sanitizer/_flag_bool')('private', false),
-      geo_reverse: require('../sanitizer/_geo_reverse'),
-      boundary_country: require('../sanitizer/_boundary_country')
+      geo_reverse: require('../sanitizer/_geo_reverse')(),
+      boundary_country: require('../sanitizer/_boundary_country')()
     };
 
-var sanitize = function(req, cb) { sanitizeAll(req, sanitizers, cb); };
-
-// export sanitize for testing
-module.exports.sanitize = sanitize;
-module.exports.sanitizer_list = sanitizers;
-
 // middleware
 module.exports.middleware = function( req, res, next ){
-  sanitize( req, function( err, clean ){
-    next();
-  });
+  sanitizeAll.runAllChecks(req, sanitizers);
+  next();
 };

sanitizer/sanitizeAll.js

@@ -1,4 +1,5 @@
-function sanitize( req, sanitizers, cb ){
+'use strict';
+function sanitize( req, sanitizers ){
   // init an object to store clean (sanitized) input parameters if not initialized
   req.clean = req.clean || {};
 
@@ -8,10 +9,10 @@ function sanitize( req, sanitizers, cb ){
 
   // source of input parameters
   // (in this case from the GET querystring params)
-  var params = req.query || {};
+  const params = req.query || {};
 
-  for (var s in sanitizers) {
-    var sanity = sanitizers[s]( params, req.clean );
+  for (let s in sanitizers) {
+    var sanity = sanitizers[s].sanitize( params, req.clean );
 
     // if errors occurred then set them
     // on the req object.
@@ -25,10 +26,51 @@ function sanitize( req, sanitizers, cb ){
       req.warnings = req.warnings.concat( sanity.warnings );
     }
   }
+}
+
+// Adds to goodParameters every acceptable parameter passed through API call
+function checkParameters( req, sanitizers ) {
+  req.warnings = req.warnings || [];
+  // source of input parameters
+  // (in this case from the GET querystring params)
+  const params = req.query || {};
+  const goodParameters = {};
+
+  for (let s in sanitizers) {
+
+    // checks if function exists
+    if (typeof sanitizers[s].expected === 'function'){
+      /** expected() returns {array} ex: [{ name: 'text' }] */
+      for (let t in sanitizers[s].expected()) {
+        /** {object} prop */
+        const prop = sanitizers[s].expected()[t];
+        if (prop.hasOwnProperty('name')){
+          // adds name of valid parameter
+          goodParameters[prop.name] = prop.name;
+        }
+      }
+    }
+  }
+  // If there are any unexpected parameters & goodParameters isn't empty,
+  // add a warning message
+  if (Object.keys(goodParameters).length !== 0) {
+    for (let p in params) {
+      if (!goodParameters.hasOwnProperty(p)){
+        req.warnings = req.warnings.concat('Invalid Parameter: ' + p);
+      }
+    }
+  }
+}
 
-  // @todo remove these args, they do not need to be passed out
-  return cb( undefined, req.clean );
+// runs both sanitize and checkParameters functions in async parallel
+function runAllChecks (req, sanitizers) {
+  sanitize(req, sanitizers);
+  checkParameters(req, sanitizers);
 }
 
 // export function
-module.exports = sanitize;
+module.exports = {
+  sanitize: sanitize,
+  checkParameters: checkParameters,
+  runAllChecks: runAllChecks
+};

sanitizer/search.js

@@ -3,29 +3,26 @@ var sanitizeAll = require('../sanitizer/sanitizeAll');
 // middleware
 module.exports.middleware = (_api_pelias_config) => {
   var sanitizers = {
-        singleScalarParameters: require('../sanitizer/_single_scalar_parameters'),
-        quattroshapes_deprecation: require('../sanitizer/_deprecate_quattroshapes'),
-        text: require('../sanitizer/_text'),
+        singleScalarParameters: require('../sanitizer/_single_scalar_parameters')(),
+        quattroshapes_deprecation: require('../sanitizer/_deprecate_quattroshapes')(),
+        text: require('../sanitizer/_text')(),
         size: require('../sanitizer/_size')(/* use defaults*/),
         layers: require('../sanitizer/_targets')('layers', type_mapping.layer_mapping),
         sources: require('../sanitizer/_targets')('sources', type_mapping.source_mapping),
         // depends on the layers and sources sanitizers, must be run after them
-        sources_and_layers: require('../sanitizer/_sources_and_layers'),
+        sources_and_layers: require('../sanitizer/_sources_and_layers')(),
         private: require('../sanitizer/_flag_bool')('private', false),
         location_bias: require('../sanitizer/_location_bias')(_api_pelias_config.defaultParameters),
-        geo_search: require('../sanitizer/_geo_search'),
-        boundary_country: require('../sanitizer/_boundary_country'),
-        categories: require('../sanitizer/_categories'),
+        geo_search: require('../sanitizer/_geo_search')(),
+        boundary_country: require('../sanitizer/_boundary_country')(),
+        categories: require('../sanitizer/_categories')(),
         // this can go away once geonames has been abrogated
-        geonames_warnings: require('../sanitizer/_geonames_warnings')
+        geonames_warnings: require('../sanitizer/_geonames_warnings')()
       };
 
-  var sanitize = function(req, cb) { sanitizeAll(req, sanitizers, cb); };
-
-  return function( req, res, next ){
-    sanitize( req, function( err, clean ){
-      next();
-    });
+  return ( req, res, next ) => {
+    sanitizeAll.runAllChecks(req, sanitizers);
+    next();
   };
 
 };

sanitizer/search_fallback.js

@@ -0,0 +1,29 @@
+var sanitizeAll = require('../sanitizer/sanitizeAll'),
+    sanitizers = {
+      text: require('../sanitizer/_text_addressit')()
+    };
+
+var logger = require('pelias-logger').get('api');
+var logging = require( '../helper/logging' );
+var _ = require('lodash');
+
+// middleware
+module.exports.middleware = function( req, res, next ){
+  // if res.data already has results then don't call the _text_autocomplete sanitizer
+  // this has been put into place for when the libpostal integration way of querying
+  // ES doesn't return anything and we want to fallback to the old logic
+  if (_.get(res, 'data', []).length > 0) {
+    return next();
+  }
+
+  // log the query that caused a fallback since libpostal+new-queries didn't return anything
+  if (req.path === '/v1/search') {
+    const queryText = logging.isDNT(req) ? '[text removed]' : req.clean.text;
+    logger.info(`fallback queryText: ${queryText}`);
+  }
+  // calls to sanitize the input
+  // omits check if parameters are valid since it only calls _text_addressit
+  sanitizeAll.sanitize(req, sanitizers);
+  next();
+
+};

sanitizer/structured_geocoding.js

@@ -4,27 +4,27 @@ var sanitizeAll = require('../sanitizer/sanitizeAll');
 // middleware
 module.exports.middleware = (_api_pelias_config) => {
   var sanitizers = {
-        singleScalarParameters: require('../sanitizer/_single_scalar_parameters'),
-        quattroshapes_deprecation: require('../sanitizer/_deprecate_quattroshapes'),
-        synthesize_analysis: require('../sanitizer/_synthesize_analysis'),
-        iso2_to_iso3: require('../sanitizer/_iso2_to_iso3'),
-        city_name_standardizer: require('../sanitizer/_city_name_standardizer'),
+        singleScalarParameters: require('../sanitizer/_single_scalar_parameters')(),
+        quattroshapes_deprecation: require('../sanitizer/_deprecate_quattroshapes')(),
+        synthesize_analysis: require('../sanitizer/_synthesize_analysis')(),
+        iso2_to_iso3: require('../sanitizer/_iso2_to_iso3')(),
+        city_name_standardizer: require('../sanitizer/_city_name_standardizer')(),
         size: require('../sanitizer/_size')(/* use defaults*/),
         layers: require('../sanitizer/_targets')('layers', type_mapping.layer_mapping),
         sources: require('../sanitizer/_targets')('sources', type_mapping.source_mapping),
         // depends on the layers and sources sanitizers, must be run after them
-        sources_and_layers: require('../sanitizer/_sources_and_layers'),
+        sources_and_layers: require('../sanitizer/_sources_and_layers')(),
         private: require('../sanitizer/_flag_bool')('private', false),
         location_bias: require('../sanitizer/_location_bias')(_api_pelias_config.defaultParameters),
-        geo_search: require('../sanitizer/_geo_search'),
-        boundary_country: require('../sanitizer/_boundary_country'),
-        categories: require('../sanitizer/_categories')
+        geo_search: require('../sanitizer/_geo_search')(),
+        boundary_country: require('../sanitizer/_boundary_country')(),
+        categories: require('../sanitizer/_categories')()
       };
-  var sanitize = function(req, cb) { sanitizeAll(req, sanitizers, cb); };
 
-  return function( req, res, next ){
-    sanitize( req, function( err, clean ){
-      next();
-    });
+  return ( req, res, next ) => {
+    sanitizeAll.runAllChecks(req, sanitizers);
+    next();
+
   };
+
 };

test/unit/sanitizer/_boundary_country.js

@@ -1,4 +1,4 @@
-var sanitize = require('../../../sanitizer/_boundary_country');
+var sanitizer = require('../../../sanitizer/_boundary_country')();
 
 module.exports.tests = {};
 
@@ -6,7 +6,7 @@ module.exports.tests.sanitize_boundary_country = function(test, common) {
   test('raw w/o boundary should set boundary.country undefined', function(t) {
     var raw = { };
     var clean = {};
-    var errorsAndWarnings = sanitize(raw, clean);
+    var errorsAndWarnings = sanitizer.sanitize(raw, clean);
     t.equals(clean['boundary.country'], undefined, 'should be undefined');
     t.deepEquals(errorsAndWarnings, { errors: [], warnings: [] }, 'no warnings or errors');
     t.end();
@@ -15,7 +15,7 @@ module.exports.tests.sanitize_boundary_country = function(test, common) {
   test('boundary.country explicitly undefined in raw should leave boundary.country undefined', function(t) {
     var raw = { 'boundary.country': undefined };
     var clean = {};
-    var errorsAndWarnings = sanitize(raw, clean);
+    var errorsAndWarnings = sanitizer.sanitize(raw, clean);
     t.equals(clean['boundary.country'], undefined, 'should be undefined');
     t.deepEquals(errorsAndWarnings, { errors: [], warnings: [] }, 'no warnings or errors');
     t.end();
@@ -24,7 +24,7 @@ module.exports.tests.sanitize_boundary_country = function(test, common) {
   test('non-string boundary.country should set boundary.country to undefined and return warning', function(t) {
     var raw = { 'boundary.country': ['this isn\'t a string primitive'] };
     var clean = {};
-    var errorsAndWarnings = sanitize(raw, clean);
+    var errorsAndWarnings = sanitizer.sanitize(raw, clean);
     t.equals(clean['boundary.country'], undefined, 'should be undefined');
     t.deepEquals(errorsAndWarnings, { errors: ['boundary.country is not a string'], warnings: [] }, 'non-string country warning');
     t.end();
@@ -33,7 +33,7 @@ module.exports.tests.sanitize_boundary_country = function(test, common) {
   test('iso2 boundary.country in raw should set boundary.country to ISO3 uppercased', function(t) {
     var raw = { 'boundary.country': 'aq' };
     var clean = {};
-    var errorsAndWarnings = sanitize(raw, clean);
+    var errorsAndWarnings = sanitizer.sanitize(raw, clean);
     t.equals(clean['boundary.country'], 'ATA', 'should be uppercased ISO3');
     t.deepEquals(errorsAndWarnings, { errors: [], warnings: [] }, 'no warnings or errors');
     t.end();
@@ -42,7 +42,7 @@ module.exports.tests.sanitize_boundary_country = function(test, common) {
   test('iso3 boundary.country in raw should set boundary.country to matching ISO3 uppercased', function(t) {
     var raw = { 'boundary.country': 'aTa' };
     var clean = {};
-    var errorsAndWarnings = sanitize(raw, clean);
+    var errorsAndWarnings = sanitizer.sanitize(raw, clean);
     t.equals(clean['boundary.country'], 'ATA', 'should be uppercased ISO3');
     t.deepEquals(errorsAndWarnings, { errors: [], warnings: [] }, 'no warnings or errors');
     t.end();
@@ -51,7 +51,7 @@ module.exports.tests.sanitize_boundary_country = function(test, common) {
   test('unknown 2-character boundary.country should set boundary.country to undefined', function(t) {
     var raw = { 'boundary.country': 'zq' };
     var clean = {};
-    var errorsAndWarnings = sanitize(raw, clean);
+    var errorsAndWarnings = sanitizer.sanitize(raw, clean);
     t.equals(clean['boundary.country'], undefined, 'should be undefined');
     t.deepEquals(errorsAndWarnings, { errors: ['zq is not a valid ISO2/ISO3 country code'], warnings: [] }, 'country not found warning`');
     t.end();
@@ -60,17 +60,24 @@ module.exports.tests.sanitize_boundary_country = function(test, common) {
   test('unknown 3-character boundary.country should set boundary.country to undefined', function(t) {
     var raw = { 'boundary.country': 'zqx' };
     var clean = {};
-    var errorsAndWarnings = sanitize(raw, clean);
+    var errorsAndWarnings = sanitizer.sanitize(raw, clean);
     t.equals(clean['boundary.country'], undefined, 'should be undefined');
     t.deepEquals(errorsAndWarnings, { errors: ['zqx is not a valid ISO2/ISO3 country code'], warnings: [] }, 'country not found warning`');
     t.end();
   });
 
+  test('return an array of expected parameters in object form for validation', (t) => {
+    const expected = [{ name: 'boundary.country' }];
+    const validParameters = sanitizer.expected();
+    t.deepEquals(validParameters, expected);
+    t.end();
+  });
+
 };
 
 module.exports.all = function (tape, common) {
   function test(name, testFunction) {
-    return tape('SANTIZE _boundary_country ' + name, testFunction);
+    return tape('SANITIZE _boundary_country ' + name, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/_categories.js

@@ -1,4 +1,4 @@
-var sanitize = require( '../../../sanitizer/_categories');
+var sanitizer = require( '../../../sanitizer/_categories')();
 
 module.exports.tests = {};
 
@@ -9,7 +9,7 @@ module.exports.tests.no_categories = function(test, common) {
       clean: { }
     };
 
-    var messages = sanitize(req.query, req.clean);
+    var messages = sanitizer.sanitize(req.query, req.clean);
 
     t.equal(req.clean.categories, undefined, 'no categories should be defined');
     t.deepEqual(messages.errors, [], 'no error returned');
@@ -27,7 +27,7 @@ module.exports.tests.no_categories = function(test, common) {
 
     var expected_error = 'Categories parameter cannot be left blank. See documentation of service for valid options.';
 
-    var messages = sanitize(req.query, req.clean);
+    var messages = sanitizer.sanitize(req.query, req.clean);
 
     t.equal(req.clean.categories, undefined, 'no categories should be defined');
     t.deepEqual(messages.errors.length, 1, 'error returned');
@@ -46,7 +46,7 @@ module.exports.tests.no_categories = function(test, common) {
 
     var expected_error = 'Invalid categories parameter value(s). See documentation of service for valid options.';
 
-    var messages = sanitize(req.query, req.clean);
+    var messages = sanitizer.sanitize(req.query, req.clean);
 
     t.equal(req.clean.categories, undefined, 'no categories should be defined');
     t.deepEqual(messages.errors.length, 1, 'error returned');
@@ -74,7 +74,7 @@ module.exports.tests.valid_categories = function(test, common) {
       clean: { }
     };
 
-    var messages = sanitize(req.query, req.clean, validCategories);
+    var messages = sanitizer.sanitize(req.query, req.clean, validCategories);
 
     t.deepEqual(req.clean.categories, ['food'], 'categories should contain food');
     t.deepEqual(messages.errors, [], 'no error returned');
@@ -95,7 +95,7 @@ module.exports.tests.valid_categories = function(test, common) {
     };
     var expectedCategories = ['food', 'health'];
 
-    var messages = sanitize(req.query, req.clean, validCategories);
+    var messages = sanitizer.sanitize(req.query, req.clean, validCategories);
 
     t.deepEqual(req.clean.categories, expectedCategories,
                 'clean.categories should be an array with proper values');
@@ -130,7 +130,7 @@ module.exports.tests.invalid_categories = function(test, common) {
       warnings: []
     };
 
-    var messages = sanitize(req.query, req.clean, validCategories);
+    var messages = sanitizer.sanitize(req.query, req.clean, validCategories);
 
     t.deepEqual(messages, expected_messages, 'error with message returned');
     t.equal(req.clean.categories, undefined, 'clean.categories should remain empty');
@@ -151,17 +151,26 @@ module.exports.tests.invalid_categories = function(test, common) {
       warnings: []
     };
 
-    var messages = sanitize(req.query, req.clean, validCategories);
+    var messages = sanitizer.sanitize(req.query, req.clean, validCategories);
 
     t.deepEqual(messages, expected_messages, 'error with message returned');
     t.equal(req.clean.categories, undefined, 'clean.categories should remain empty');
     t.end();
   });
+
+  test('return an array of expected parameters in object form for validation', (t) => {
+    const expected = [{ name: 'categories' }];
+
+    const validParameters = sanitizer.expected();
+
+    t.deepEquals(validParameters, expected);
+    t.end();
+  });
 };
 
 module.exports.all = function (tape, common) {
   function test(name, testFunction) {
-    return tape('SANTIZE _categories ' + name, testFunction);
+    return tape('SANITIZE _categories ' + name, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/_city_name_standardizer.js

@@ -1,5 +1,5 @@
 const _ = require('lodash');
-const sanitizer = require('../../../sanitizer/_city_name_standardizer');
+const sanitizer = require('../../../sanitizer/_city_name_standardizer')();
 
 module.exports.tests = {};
 
@@ -13,7 +13,7 @@ module.exports.tests.text_parser = function(test, common) {
     const expected_clean = {
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -39,7 +39,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -77,7 +77,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -115,7 +115,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -153,7 +153,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -191,7 +191,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -215,7 +215,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -239,7 +239,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -263,7 +263,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');

test/unit/sanitizer/_deprecate_quattroshapes.js

@@ -1,4 +1,4 @@
-var sanitize = require('../../../sanitizer/_deprecate_quattroshapes');
+var sanitizer = require('../../../sanitizer/_deprecate_quattroshapes')();
 
 module.exports.tests = {};
 
@@ -7,7 +7,7 @@ module.exports.tests.warning_message_1 = function(test, common) {
     var raw = { sources: 'qs' };
     var clean = {};
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
     t.deepEquals(messages, {
       errors: [],
       warnings: ['You are using Quattroshapes as a data source in this query. ' +
@@ -27,7 +27,7 @@ module.exports.tests.warning_message_2 = function(test, common) {
     var raw = { sources: 'quattroshapes' };
     var clean = {};
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
     t.deepEquals(messages, {
       errors: [],
       warnings: ['You are using Quattroshapes as a data source in this query. ' +
@@ -47,7 +47,7 @@ module.exports.tests.rewrite = function(test, common) {
     var raw = { sources: 'qs,quattroshapes,qs,quattroshapes,osm' };
     var clean = {};
 
-    sanitize(raw, clean);
+    sanitizer.sanitize(raw, clean);
     t.equals(raw.sources,'osm,whosonfirst','use wof instead of qs');
 
     t.end();
@@ -56,7 +56,7 @@ module.exports.tests.rewrite = function(test, common) {
 
 module.exports.all = function (tape, common) {
   function test(name, testFunction) {
-    return tape('SANTIZE _deprecate_quattroshapes ' + name, testFunction);
+    return tape('SANITIZE _deprecate_quattroshapes ' + name, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/_flag_bool.js

@@ -1,5 +1,4 @@
 var sanitizer = require('../../../sanitizer/_flag_bool');
-var sanitize = sanitizer('dirty_param', true);
 
 module.exports.tests = {};
 
@@ -9,7 +8,7 @@ module.exports.tests.sanitize_private = function(test, common) {
     test('invalid dirty_param ' + value, function (t) {
       var raw = {dirty_param: value};
       var clean = {};
-      sanitize(raw, clean);
+      sanitizer('dirty_param', true).sanitize(raw, clean);
       t.equal(clean.dirty_param, false, 'default clean value set (to false)');
       t.end();
     });
@@ -20,7 +19,7 @@ module.exports.tests.sanitize_private = function(test, common) {
     test('valid dirty_param ' + value, function (t) {
       var raw = {dirty_param: value};
       var clean = {};
-      sanitize(raw, clean);
+      sanitizer('dirty_param', true).sanitize(raw, clean);
       t.equal(clean.dirty_param, true, 'clean value set to true');
       t.end();
     });
@@ -31,7 +30,7 @@ module.exports.tests.sanitize_private = function(test, common) {
     test('test setting false explicitly ' + value, function (t) {
       var raw = {dirty_param: value};
       var clean = {};
-      sanitize(raw, clean);
+      sanitizer('dirty_param', true).sanitize(raw, clean);
       t.equal(clean.dirty_param, false, 'clean value set to false');
       t.end();
     });
@@ -45,17 +44,26 @@ module.exports.tests.validate_default_behavior = function(test, common) {
       var sanitize_true = sanitizer('foo_bar', defaultValue);
       var raw = {};
       var clean = {};
-      sanitize_true(raw, clean);
+      sanitize_true.sanitize(raw, clean);
       t.equal(clean.foo_bar, defaultValue, 'foo_bar set to ' + defaultValue);
       t.end();
     });
   });
 };
 
+module.exports.tests.check_valid_parameters = function(test, common) {
+  test('return an array of expected parameters in object form for validation', (t) => {
+    const expected = [{ name: 'value' }]; // depends on first argument of sanitizer()
+    const validParameters = sanitizer('value', true).expected();
+    t.deepEquals(validParameters, expected);
+    t.end();
+  });
+};
+
 module.exports.all = function (tape, common) {
 
   function test(name, testFunction) {
-    return tape('SANTIZE _flag_bool: ' + name, testFunction);
+    return tape('SANITIZE _flag_bool: ' + name, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/_geo_reverse.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const sanitize = require('../../../sanitizer/_geo_reverse');
+const sanitizer = require('../../../sanitizer/_geo_reverse')();
 const defaults = require('../../../query/reverse_defaults');
 
 module.exports.tests = {};
@@ -13,7 +13,7 @@ module.exports.tests.warning_situations = (test, common) => {
       'boundary.circle.lat': '13.131313'
     };
     const clean = {};
-    const errorsAndWarnings = sanitize(raw, clean);
+    const errorsAndWarnings = sanitizer.sanitize(raw, clean);
 
     t.equals(clean['boundary.circle.lat'], 12.121212, 'should be set to point.lat');
     t.deepEquals(errorsAndWarnings, {
@@ -31,7 +31,7 @@ module.exports.tests.warning_situations = (test, common) => {
       'boundary.circle.lon': '31.313131'
     };
     const clean = {};
-    const errorsAndWarnings = sanitize(raw, clean);
+    const errorsAndWarnings = sanitizer.sanitize(raw, clean);
 
     t.equals(clean['boundary.circle.lon'], 21.212121, 'should be set to point.lon');
     t.deepEquals(errorsAndWarnings, {
@@ -49,7 +49,7 @@ module.exports.tests.warning_situations = (test, common) => {
       'boundary.circle.radius': '17'
     };
     const clean = {};
-    const errorsAndWarnings = sanitize(raw, clean);
+    const errorsAndWarnings = sanitizer.sanitize(raw, clean);
 
     // t.equals(clean['boundary.circle.radius'], 12.121212, 'should be set to point.lat')
     t.deepEquals(errorsAndWarnings, {
@@ -70,7 +70,7 @@ module.exports.tests.success_conditions = (test, common) => {
       'boundary.circle.radius': '3248732857km' // this will never be the default
     };
     const clean = {};
-    const errorsAndWarnings = sanitize(raw, clean);
+    const errorsAndWarnings = sanitizer.sanitize(raw, clean);
 
     t.equals(raw['boundary.circle.lat'], 12.121212);
     t.equals(raw['boundary.circle.lon'], 21.212121);

test/unit/sanitizer/_geonames_deprecation.js

@@ -1,4 +1,4 @@
-const geonames_deprecation = require('../../../sanitizer/_geonames_deprecation');
+const sanitizer = require('../../../sanitizer/_geonames_deprecation')();
 
 module.exports.tests = {};
 
@@ -6,7 +6,7 @@ module.exports.tests.no_warnings_or_errors_conditions = (test, common) => {
   test('undefined sources should add neither warnings nor errors', (t) => {
     const clean = {};
 
-    const messages = geonames_deprecation(undefined, clean);
+    const messages = sanitizer.sanitize(undefined, clean);
 
     t.deepEquals(clean, {});
     t.deepEquals(messages, { errors: [], warnings: [] });
@@ -19,7 +19,7 @@ module.exports.tests.no_warnings_or_errors_conditions = (test, common) => {
       sources: ['source 1', 'source 2'],
     };
 
-    const messages = geonames_deprecation(undefined, clean);
+    const messages = sanitizer.sanitize(undefined, clean);
 
     t.deepEquals(clean.sources, ['source 1', 'source 2']);
     t.deepEquals(messages, { errors: [], warnings: [] });
@@ -36,7 +36,7 @@ module.exports.tests.error_conditions = (test, common) => {
         sources: [sources]
       };
 
-      const messages = geonames_deprecation(undefined, clean);
+      const messages = sanitizer.sanitize(undefined, clean);
 
       t.deepEquals(clean.sources, [sources]);
       t.deepEquals(messages.errors, ['/reverse does not support geonames']);
@@ -57,7 +57,7 @@ module.exports.tests.warning_conditions = (test, common) => {
         sources: ['another source', sources, 'yet another source']
       };
 
-      const messages = geonames_deprecation(undefined, clean);
+      const messages = sanitizer.sanitize(undefined, clean);
 
       t.deepEquals(clean.sources, ['another source', 'yet another source']);
       t.deepEquals(messages.errors, []);
@@ -73,7 +73,7 @@ module.exports.tests.warning_conditions = (test, common) => {
 
 module.exports.all = (tape, common) => {
   function test(name, testFunction) {
-    return tape(`SANTIZE _geonames_deprecation ${name}`, testFunction);
+    return tape(`SANITIZE _geonames_deprecation ${name}`, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/_geonames_warnings.js

@@ -1,6 +1,6 @@
 const _ = require('lodash');
 
-const geonames_warnings = require('../../../sanitizer/_geonames_warnings');
+const sanitizer = require('../../../sanitizer/_geonames_warnings')();
 
 const nonAdminProperties = ['number', 'street', 'query', 'category'];
 const adminProperties = ['neighbourhood', 'borough', 'city', 'county', 'state', 'postalcode', 'country'];
@@ -13,7 +13,7 @@ module.exports.tests.no_errors = (test, common) => {
       sources: ['geonames'],
     };
 
-    const messages = geonames_warnings(undefined, clean);
+    const messages = sanitizer.sanitize(undefined, clean);
 
     t.deepEquals(messages, { errors: [], warnings: [] });
     t.end();
@@ -30,7 +30,7 @@ module.exports.tests.no_errors = (test, common) => {
         clean.parsed_text[nonAdminProperty] = `${nonAdminProperty} value`;
         clean.parsed_text[adminProperty] = `${adminProperty} value`;
 
-        const messages = geonames_warnings(undefined, clean);
+        const messages = sanitizer.sanitize(undefined, clean);
 
         t.deepEquals(messages, { errors: [], warnings: [] });
 
@@ -50,7 +50,7 @@ module.exports.tests.no_errors = (test, common) => {
         clean.parsed_text[nonAdminProperty] = `${nonAdminProperty} value`;
         clean.parsed_text[adminProperty] = `${adminProperty} value`;
 
-        const messages = geonames_warnings(undefined, clean);
+        const messages = sanitizer.sanitize(undefined, clean);
 
         t.deepEquals(messages, { errors: [], warnings: [] });
 
@@ -68,7 +68,7 @@ module.exports.tests.error_conditions = (test, common) => {
       const clean = _.set({ sources: ['geonames'] },
         ['parsed_text', property], `${property} value`);
 
-      const messages = geonames_warnings(undefined, clean);
+      const messages = sanitizer.sanitize(undefined, clean);
 
       t.deepEquals(messages.errors, ['input contains only administrative area data, ' +
         'no results will be returned when sources=geonames']);
@@ -87,7 +87,7 @@ module.exports.tests.warning_conditions = (test, common) => {
       const clean = _.set({ sources: ['source 1', 'geonames', 'source 2'] },
         ['parsed_text', property], `${property} value`);
 
-      const messages = geonames_warnings(undefined, clean);
+      const messages = sanitizer.sanitize(undefined, clean);
 
       t.deepEquals(messages.errors, []);
       t.deepEquals(messages.warnings, ['input contains only administrative area data, ' +

test/unit/sanitizer/_ids.js

@@ -1,4 +1,4 @@
-var sanitize = require('../../../sanitizer/_ids');
+var sanitizer = require('../../../sanitizer/_ids')();
 
 var delimiter = ':';
 var type_mapping = require('../../../helper/type_mapping');
@@ -15,7 +15,7 @@ module.exports.tests.invalid_ids = function(test, common) {
     var raw = { ids: '' };
     var clean = {};
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors[0], lengthError, 'ids length error returned');
     t.equal(clean.ids, undefined, 'ids unset in clean object');
@@ -26,7 +26,7 @@ module.exports.tests.invalid_ids = function(test, common) {
     var raw = { ids: ':' };
     var clean = {};
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors[0], formatError(':'), 'format error returned');
     t.equal(clean.ids, undefined, 'ids unset in clean object');
@@ -37,7 +37,7 @@ module.exports.tests.invalid_ids = function(test, common) {
     var raw = { ids: '::' };
     var clean = {};
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors[0], formatError('::'), 'format error returned');
     t.equal(clean.ids, undefined, 'ids unset in clean object');
@@ -48,7 +48,7 @@ module.exports.tests.invalid_ids = function(test, common) {
     var raw = { ids: 'geoname:' };
     var clean = {};
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors[0], formatError('geoname:'), 'format error returned');
     t.equal(clean.ids, undefined, 'ids unset in clean object');
@@ -59,7 +59,7 @@ module.exports.tests.invalid_ids = function(test, common) {
     var raw = { ids: ':234' };
     var clean = {};
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors[0], formatError(':234'), 'format error returned');
     t.equal(clean.ids, undefined, 'ids unset in clean object');
@@ -72,7 +72,7 @@ module.exports.tests.invalid_ids = function(test, common) {
     var expected_error = 'invalidsource is invalid. It must be one of these values - [' +
       Object.keys(type_mapping.source_mapping).join(', ') + ']';
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors[0], expected_error, 'format error returned');
     t.equal(clean.ids, undefined, 'ids unset in clean object');
@@ -83,7 +83,7 @@ module.exports.tests.invalid_ids = function(test, common) {
     var raw = { ids: 'geonames:23' };
     var clean = {};
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors[0], formatError('geonames:23'), 'format error returned');
     t.equal(clean.ids, undefined, 'ids unset in clean object');
@@ -96,7 +96,7 @@ module.exports.tests.valid_ids = function(test, common) {
     var raw = { ids: 'openaddresses:address:20' };
     var clean = {};
 
-    var messages = sanitize( raw, clean );
+    var messages = sanitizer.sanitize( raw, clean );
 
     var expected_ids = [{
       source: 'openaddresses',
@@ -112,7 +112,7 @@ test('ids: valid short input (openaddresses)', function(t) {
     var raw = { ids: 'oa:address:20' };
     var clean = {};
 
-    var messages = sanitize( raw, clean );
+    var messages = sanitizer.sanitize( raw, clean );
 
     var expected_ids = [{
       source: 'openaddresses',
@@ -133,7 +133,7 @@ test('ids: valid short input (openaddresses)', function(t) {
       id: 'node:500',
     }];
 
-    var messages = sanitize( raw, clean );
+    var messages = sanitizer.sanitize( raw, clean );
 
     t.deepEqual( messages.errors, [], ' no errors');
     t.deepEqual( clean.ids, expected_ids, 'osm has node: or way: in id field');
@@ -149,7 +149,7 @@ test('ids: valid short input (openaddresses)', function(t) {
       id: 'node:500',
     }];
 
-    var messages = sanitize( raw, clean );
+    var messages = sanitizer.sanitize( raw, clean );
 
     t.deepEqual( messages.errors, [], ' no errors');
     t.deepEqual( clean.ids, expected_ids, 'osm has node: or way: in id field');
@@ -162,7 +162,7 @@ module.exports.tests.multiple_ids = function(test, common) {
     var raw = { ids: 'geonames:venue:1,openstreetmap:address:way:2' };
     var clean = {};
 
-    var messages = sanitize( raw, clean);
+    var messages = sanitizer.sanitize( raw, clean);
 
     var expected_ids = [ {
       source: 'geonames',
@@ -186,7 +186,7 @@ module.exports.tests.de_dupe = function(test, common) {
     var raw = { ids: 'geonames:venue:1,openstreetmap:venue:node:2,geonames:venue:1' };
     var clean = {};
 
-    var messages = sanitize( raw, clean );
+    var messages = sanitizer.sanitize( raw, clean );
 
     var expected_ids = [ {
       source: 'geonames',
@@ -204,9 +204,18 @@ module.exports.tests.de_dupe = function(test, common) {
   });
 };
 
+module.exports.tests.valid_Parameters = function(test, common) {
+  test('return an array of expected parameters in object form for validation', (t) => {
+    const expected = [{ name: 'ids' }];
+    const validParameters = sanitizer.expected();
+    t.deepEquals(validParameters, expected);
+    t.end();
+  });
+};
+
 module.exports.all = function (tape, common) {
   function test(name, testFunction) {
-    return tape('SANTIZE _ids ' + name, testFunction);
+    return tape('SANITIZE _ids ' + name, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/_iso2_to_iso3.js

@@ -1,4 +1,4 @@
-const sanitizer = require('../../../sanitizer/_iso2_to_iso3');
+const sanitizer = require('../../../sanitizer/_iso2_to_iso3')();
 
 module.exports.tests = {};
 
@@ -12,7 +12,7 @@ module.exports.tests.text_parser = function(test, common) {
     const expected_clean = {
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -38,7 +38,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -64,7 +64,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -90,7 +90,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -103,7 +103,7 @@ module.exports.tests.text_parser = function(test, common) {
 
 module.exports.all = function (tape, common) {
   function test(name, testFunction) {
-    return tape('sanitizer _iso2_to_iso3: ' + name, testFunction);
+    return tape('SANITIZE _iso2_to_iso3: ' + name, testFunction);
   }
 
   for( const testCase in module.exports.tests ){

test/unit/sanitizer/_layers.js

@@ -1,12 +1,12 @@
 var type_mapping = require('../../../helper/type_mapping');
 
-var sanitize = require('../../../sanitizer/_targets')('layers', type_mapping.layer_mapping);
+var sanitizer = require('../../../sanitizer/_targets')('layers', type_mapping.layer_mapping);
 
 module.exports.tests = {};
 
 module.exports.tests.sanitize_layers = function(test, common) {
   test('unspecified', function(t) {
-    var messages = sanitize({ layers: undefined }, {});
+    var messages = sanitizer.sanitize({ layers: undefined }, {});
     t.equal(messages.errors.length, 0, 'no errors');
     t.end();
   });
@@ -15,7 +15,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
     var raw = { layers: 'test_layer' };
     var clean = {};
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     var msg = ' is an invalid layers parameter. Valid options: ';
     t.equal(messages.errors.length, 1, 'errors set');
@@ -28,7 +28,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
     var raw = { layers: 'venue' };
     var clean = {};
 
-    sanitize(raw, clean);
+    sanitizer.sanitize(raw, clean);
 
     var venue_layers = ['venue'];
     t.deepEqual(clean.layers, venue_layers, 'venue layers set');
@@ -39,7 +39,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
     var raw = { layers: 'coarse' };
     var clean = {};
 
-    sanitize(raw, clean);
+    sanitizer.sanitize(raw, clean);
 
     var admin_layers = [ 'continent', 'country', 'dependency',
     'macroregion', 'region', 'locality', 'localadmin', 'macrocounty', 'county',
@@ -53,7 +53,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
     var raw = { layers: 'address' };
     var clean = {};
 
-    sanitize(raw, clean);
+    sanitizer.sanitize(raw, clean);
 
     t.deepEqual(clean.layers, ['address'], 'address layer set');
     t.end();
@@ -63,7 +63,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
     var raw = { layers: 'venue,country,region' };
     var clean = {};
 
-    sanitize(raw, clean);
+    sanitizer.sanitize(raw, clean);
 
     var expected_layers = ['venue', 'country', 'region'];
     t.deepEqual(clean.layers, expected_layers, 'venue + regular layers');
@@ -74,7 +74,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
     var raw = { layers: 'coarse,country' };
     var clean = {};
 
-    sanitize(raw, clean);
+    sanitizer.sanitize(raw, clean);
 
     var expected_layers = [ 'continent', 'country', 'dependency',
     'macroregion', 'region', 'locality', 'localadmin', 'macrocounty', 'county',
@@ -88,7 +88,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
     var raw = { layers: 'address,country,locality' };
     var clean = {};
 
-    sanitize(raw, clean);
+    sanitizer.sanitize(raw, clean);
 
     var expected_layers = ['address', 'country', 'locality' ];
     t.deepEqual(clean.layers, expected_layers, 'address + regular layers set');
@@ -99,7 +99,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
     var raw = { layers: 'venue,country' };
     var clean = {};
 
-    sanitize(raw, clean);
+    sanitizer.sanitize(raw, clean);
 
     var expected_layers = ['venue', 'country'];
     t.deepEqual(clean.layers, expected_layers, 'venue layers found (no duplicates)');
@@ -110,7 +110,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
     var raw = { layers: 'venue,coarse' };
     var clean = {};
 
-    sanitize(raw, clean);
+    sanitizer.sanitize(raw, clean);
 
     var coarse_layers = [ 'continent',
       'country', 'dependency', 'macroregion', 'region', 'locality', 'localadmin',
@@ -126,7 +126,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
 
 module.exports.all = function (tape, common) {
   function test(name, testFunction) {
-    return tape('SANTIZE _layers ' + name, testFunction);
+    return tape('SANITIZE _layers ' + name, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/_location_bias.js

@@ -1,4 +1,4 @@
-const setup = require('../../../sanitizer/_location_bias');
+const sanitizer = require('../../../sanitizer/_location_bias');
 
 module.exports.tests = {};
 
@@ -8,14 +8,14 @@ module.exports.tests.setLocationBias = function(test, common) {
       'focus.point.lat': 12.12121212,
       'focus.point.lon': 21.21212121
     };
-    const locationBias = setup(defaultParameters);
+    const locationBias = sanitizer(defaultParameters);
     const raw = {};
     const expected = {
           'focus.point.lat': 12.12121212,
           'focus.point.lon': 21.21212121
     };
 
-    locationBias(raw, undefined);
+    locationBias.sanitize(raw, undefined);
     t.deepEqual(raw, expected, 'focus point should be set');
     t.end();
 
@@ -26,9 +26,9 @@ module.exports.tests.setLocationBias = function(test, common) {
         'focus.point.lat': 12.12121212,
         'focus.point.lon': 21.21212121
     };
-    const locationBias = setup(defaultParameters);
+    const locationBias = sanitizer(defaultParameters);
 
-    locationBias(undefined, undefined);
+    locationBias.sanitize(undefined, undefined);
     t.deepEqual(undefined, undefined, 'should be unmodified' );
     t.end();
   });
@@ -37,11 +37,11 @@ module.exports.tests.setLocationBias = function(test, common) {
     const defaultParameters = {
       'focus.point.lon': 12.2121212
     };
-    const locationBias = setup(defaultParameters);
+    const locationBias = sanitizer(defaultParameters);
     const raw = {};
     const expected = {};
 
-    locationBias(raw, undefined);
+    locationBias.sanitize(raw, undefined);
     t.deepEqual(raw, expected, 'should be unmodified' );
     t.end();
   });
@@ -50,11 +50,11 @@ module.exports.tests.setLocationBias = function(test, common) {
     const defaultParameters = {
       'focus.point.lat': 12.2121212
     };
-    const locationBias = setup(defaultParameters);
+    const locationBias = sanitizer(defaultParameters);
     const raw = {};
     const expected = {};
 
-    locationBias(raw, undefined);
+    locationBias.sanitize(raw, undefined);
       t.deepEqual(raw, expected, 'should be unmodified' );
       t.end();
   });
@@ -64,7 +64,7 @@ module.exports.tests.setLocationBias = function(test, common) {
       'focus.point.lon': 12.2121212,
       'focus.point.lat': 12.2121212
     };
-    const locationBias = setup(defaultParameters);
+    const locationBias = sanitizer(defaultParameters);
     const raw = {
       'focus.point.lon': 43.4343434
     };
@@ -72,7 +72,7 @@ module.exports.tests.setLocationBias = function(test, common) {
       'focus.point.lon': 43.4343434
     };
 
-    locationBias(raw, undefined);
+    locationBias.sanitize(raw, undefined);
       t.deepEqual(raw, expected, 'should be unmodified' );
       t.end();
   });
@@ -82,7 +82,7 @@ module.exports.tests.setLocationBias = function(test, common) {
       'focus.point.lon': 12.2121212,
       'focus.point.lat': 12.2121212
     };
-    const locationBias = setup(defaultParameters);
+    const locationBias = sanitizer(defaultParameters);
     const raw = {
       'focus.point.lat': 34.3434343
     };
@@ -90,7 +90,7 @@ module.exports.tests.setLocationBias = function(test, common) {
       'focus.point.lat': 34.3434343
     };
 
-    locationBias(raw, undefined);
+    locationBias.sanitize(raw, undefined);
       t.deepEqual(raw, expected, 'should be unmodified' );
       t.end();
   });

test/unit/sanitizer/_single_scalar_parameters.js

@@ -1,4 +1,4 @@
-var sanitize = require('../../../sanitizer/_single_scalar_parameters');
+var sanitizer = require('../../../sanitizer/_single_scalar_parameters')();
 
 module.exports.tests = {};
 
@@ -10,8 +10,8 @@ module.exports.tests.single_scalar_parameters = function(test, common) {
       arrayParameter2: ['value3']
     };
     var clean = {};
-    var errorsAndWarnings = sanitize(raw, clean);
-    t.deepEquals(errorsAndWarnings, {
+    var messages = sanitizer.sanitize(raw, clean);
+    t.deepEquals(messages, {
       errors: [
         '\'arrayParameter1\' parameter can only have one value',
         '\'arrayParameter2\' parameter can only have one value',
@@ -33,8 +33,8 @@ module.exports.tests.single_scalar_parameters = function(test, common) {
       objectParameter2: { }
     };
     var clean = {};
-    var errorsAndWarnings = sanitize(raw, clean);
-    t.deepEquals(errorsAndWarnings, {
+    var messages = sanitizer.sanitize(raw, clean);
+    t.deepEquals(messages, {
       errors: [
         '\'objectParameter1\' parameter must be a scalar',
         '\'objectParameter2\' parameter must be a scalar'
@@ -51,8 +51,8 @@ module.exports.tests.single_scalar_parameters = function(test, common) {
   test('request with all scalar parameters should return empty errors', function(t) {
     var raw = { scalarParameter1: 'value1', scalarParameter2: 2, scalarParameter3: true };
     var clean = {};
-    var errorsAndWarnings = sanitize(raw, clean);
-    t.deepEquals(errorsAndWarnings, { errors: [], warnings: [] });
+    var messages = sanitizer.sanitize(raw, clean);
+    t.deepEquals(messages, { errors: [], warnings: [] });
     t.end();
   });
 

test/unit/sanitizer/_size.js

@@ -1,4 +1,4 @@
-var sanitize = require('../../../sanitizer/_size');
+var sanitizer = require('../../../sanitizer/_size');
 
 module.exports.tests = {};
 
@@ -6,7 +6,7 @@ module.exports.tests.sanitize_size = function(test, common) {
   test('size=0', function(t) {
     var raw = { size: 0 };
     var clean = {};
-    var res = sanitize(/*defaults*/)(raw, clean);
+    var res = sanitizer(/*defaults*/).sanitize(raw, clean);
     t.equal(res.errors.length, 0, 'should return no errors');
     t.equal(res.warnings.length, 1, 'should return warning');
     t.equal(res.warnings[0], 'out-of-range integer \'size\', using MIN_SIZE', 'check warning text');
@@ -17,7 +17,7 @@ module.exports.tests.sanitize_size = function(test, common) {
   test('size=10000', function(t) {
     var raw = { size: 10000 };
     var clean = {};
-    var res = sanitize(/*defaults*/)(raw, clean);
+    var res = sanitizer(/*defaults*/).sanitize(raw, clean);
     t.equal(res.errors.length, 0, 'should return no errors');
     t.equal(res.warnings.length, 1, 'should return warning');
     t.equal(res.warnings[0], 'out-of-range integer \'size\', using MAX_SIZE', 'check warning text');
@@ -28,20 +28,26 @@ module.exports.tests.sanitize_size = function(test, common) {
   test('size not set', function(t) {
     var raw = {};
     var clean = {};
-    var res = sanitize(/*defaults*/)(raw, clean);
+    var res = sanitizer(/*defaults*/).sanitize(raw, clean);
     t.equal(res.errors.length, 0, 'should return no errors');
     t.equal(res.warnings.length, 0, 'should return no warning');
     t.equal(clean.size, 10, 'default to 10');
     t.end();
   });
 
+  test('return an array of expected parameters in object form for validation', function(t) {
+    const expected = [{ name: 'size' }];
+    const validParameters = sanitizer(/*defaults*/).expected();
+    t.deepEquals(validParameters, expected);
+    t.end();
+  });
 
   var valid_sizes = [5, '5', 5.5, '5.5'];
   valid_sizes.forEach(function (size) {
     test('size=' + size, function (t) {
       var raw = {size: size};
       var clean = {};
-      var res = sanitize(/*defaults*/)(raw, clean);
+      var res = sanitizer(/*defaults*/).sanitize(raw, clean);
       t.equal(res.errors.length, 0, 'should return no errors');
       t.equal(res.warnings.length, 0, 'should return warning');
       t.equal(clean.size, 5, 'set to correct integer');
@@ -52,7 +58,7 @@ module.exports.tests.sanitize_size = function(test, common) {
 
 module.exports.all = function (tape, common) {
   function test(name, testFunction) {
-    return tape('SANTIZE _size ' + name, testFunction);
+    return tape('SANITIZE _size ' + name, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/_sources.js

@@ -1,5 +1,5 @@
 var type_mapping = require('../../../helper/type_mapping');
-var sanitize = require( '../../../sanitizer/_targets' )('sources', type_mapping.source_mapping);
+var sanitizer = require( '../../../sanitizer/_targets' )('sources', type_mapping.source_mapping);
 
 var success_messages = { error: false };
 
@@ -12,7 +12,7 @@ module.exports.tests.no_sources = function(test, common) {
       clean: { }
     };
 
-    var messages = sanitize(req.query, req.clean);
+    var messages = sanitizer.sanitize(req.query, req.clean);
 
     t.equal(req.clean.sources, undefined, 'no sources should be defined');
     t.deepEqual(messages.errors, [], 'no error returned');
@@ -31,7 +31,7 @@ module.exports.tests.no_sources = function(test, common) {
     var expected_error = 'sources parameter cannot be an empty string. ' +
        'Valid options: osm,oa,gn,wof,openstreetmap,openaddresses,geonames,whosonfirst';
 
-    var messages = sanitize(req.query, req.clean);
+    var messages = sanitizer.sanitize(req.query, req.clean);
 
     t.equal(req.clean.sources, undefined, 'no sources should be defined');
     t.deepEqual(messages.errors.length, 1, 'error returned');
@@ -50,7 +50,7 @@ module.exports.tests.valid_sources = function(test, common) {
       clean: { }
     };
 
-    var messages = sanitize(req.query, req.clean);
+    var messages = sanitizer.sanitize(req.query, req.clean);
 
     t.deepEqual(req.clean.sources, ['geonames'], 'sources should contain geonames');
     t.deepEqual(messages.errors, [], 'no error returned');
@@ -67,7 +67,7 @@ module.exports.tests.valid_sources = function(test, common) {
       clean: { }
     };
 
-    var messages = sanitize(req.query, req.clean);
+    var messages = sanitizer.sanitize(req.query, req.clean);
 
     t.deepEqual(req.clean.sources, ['openstreetmap'], 'abbreviation is expanded to full version');
     t.deepEqual(messages.errors, [], 'no error returned');
@@ -83,7 +83,7 @@ module.exports.tests.valid_sources = function(test, common) {
       clean: { }
     };
 
-    var messages = sanitize(req.query, req.clean);
+    var messages = sanitizer.sanitize(req.query, req.clean);
 
     t.deepEqual(req.clean.sources, ['openstreetmap', 'openaddresses'],
                 'clean.sources should contain openstreetmap and openadresses');
@@ -109,7 +109,7 @@ module.exports.tests.invalid_sources = function(test, common) {
       warnings: []
     };
 
-    var messages = sanitize(req.query, req.clean);
+    var messages = sanitizer.sanitize(req.query, req.clean);
 
     t.deepEqual(messages, expected_messages, 'error with message returned');
     t.equal(req.clean.sources, undefined, 'clean.sources should remain empty');

test/unit/sanitizer/_sources_and_layers.js

@@ -1,4 +1,4 @@
-var sanitize = require('../../../sanitizer/_sources_and_layers');
+var sanitizer = require('../../../sanitizer/_sources_and_layers')();
 
 var type_mapping = require('../../../helper/type_mapping');
 
@@ -9,7 +9,7 @@ module.exports.tests.inactive = function(test, common) {
     var raw = {};
     var clean = {};
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 0, 'should return no errors');
     t.equal(messages.warnings.length, 0, 'should return no warnings');
@@ -20,7 +20,7 @@ module.exports.tests.inactive = function(test, common) {
     var raw = {};
     var clean = { layers: ['venue'] };
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 0, 'should return no errors');
     t.equal(messages.warnings.length, 0, 'should return no warnings');
@@ -31,7 +31,7 @@ module.exports.tests.inactive = function(test, common) {
     var raw = {};
     var clean = { sources: ['openstreetmap'] };
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 0, 'should return no errors');
     t.equal(messages.warnings.length, 0, 'should return no warnings');
@@ -44,7 +44,7 @@ module.exports.tests.no_errors = function(test, common) {
     var raw = {};
     var clean = { sources: ['openstreetmap'], layers: ['venue'] };
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 0, 'should return no errors');
     t.equal(messages.warnings.length, 0, 'should return no warnings');
@@ -55,7 +55,7 @@ test('valid combination', function(t) {
     var raw = {};
     var clean = { sources: ['geonames'], layers: ['borough'] };
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 0, 'should return no errors');
     t.equal(messages.warnings.length, 0, 'should return no warnings');
@@ -66,7 +66,7 @@ test('valid combination', function(t) {
     var raw = {};
     var clean = { sources: ['geonames'], layers: ['macroregion'] };
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 0, 'should return no errors');
     t.equal(messages.warnings.length, 0, 'should return no warnings');
@@ -77,7 +77,7 @@ test('valid combination', function(t) {
     var raw = {};
     var clean = { sources: ['whosonfirst'], layers: ['venue'] };
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 0, 'should return no errors');
     t.equal(messages.warnings.length, 0, 'should return no warnings');
@@ -88,7 +88,7 @@ test('valid combination', function(t) {
     var raw = {};
     var clean = { sources: ['openstreetmap', 'openaddresses'], layers: ['venue'] };
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 0, 'should return no errors');
     t.equal(messages.warnings.length, 0, 'should return no warnings');
@@ -99,12 +99,19 @@ test('valid combination', function(t) {
     var raw = {};
     var clean = { sources: ['openaddresses'], layers: ['address', 'country'] };
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 0, 'should return no errors');
     t.equal(messages.warnings.length, 0, 'should return no warnings');
     t.end();
   });
+
+  test('return an array of expected parameters in object form for validation', function (t) {
+    const expected = [{ 'name': 'sources' }, { 'name': 'layers' }];
+    const validParameters = sanitizer.expected();
+    t.deepEquals(validParameters, expected);
+    t.end();
+  });
 };
 
 module.exports.tests.invalid_combination = function(test, common) {
@@ -112,7 +119,7 @@ module.exports.tests.invalid_combination = function(test, common) {
     var raw = {};
     var clean = { sources: ['whosonfirst'], layers: ['address'] };
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 1, 'should return an error');
     t.equal(messages.errors[0], 'You have specified both the `sources` and `layers` ' +
@@ -125,7 +132,7 @@ module.exports.tests.invalid_combination = function(test, common) {
     var raw = {};
     var clean = { sources: ['openstreetmap'], layers: ['country', 'locality'] };
 
-    var messages = sanitize(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.equal(messages.errors.length, 2, 'should return an error');
     t.equal(messages.errors[0], 'You have specified both the `sources` and `layers` ' +

test/unit/sanitizer/_synthesize_analysis.js

@@ -37,7 +37,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer().sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -76,7 +76,7 @@ module.exports.tests.text_parser = function(test, common) {
       parsed_text: {}
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer().sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, ['at least one of the following fields is required: ' +
@@ -99,7 +99,7 @@ module.exports.tests.text_parser = function(test, common) {
 
     const expected_clean = { parsed_text: {} };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer().sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, ['at least one of the following fields is required: ' +
@@ -128,7 +128,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer().sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -161,7 +161,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer().sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -194,7 +194,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer().sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -224,7 +224,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer().sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages.errors, [], 'no errors');
@@ -233,6 +233,23 @@ module.exports.tests.text_parser = function(test, common) {
 
   });
 
+  test('return an array of expected parameters in object form for validation', function (t) {
+    const sanitizer = require('../../../sanitizer/_synthesize_analysis');
+    const expected = [
+      { 'name': 'venue' },
+      { 'name': 'address' },
+      { 'name': 'neighbourhood' },
+      { 'name': 'borough' },
+      { 'name': 'locality' },
+      { 'name': 'county' },
+      { 'name': 'region' },
+      { 'name': 'postalcode' },
+      { 'name': 'country' }];
+
+    const validParameters = sanitizer().expected();
+    t.deepEquals(validParameters, expected);
+    t.end();
+  });
 };
 
 module.exports.all = function (tape, common) {

test/unit/sanitizer/_text.js

@@ -1,9 +1,9 @@
-const sanitizer = require('../../../sanitizer/_text');
+const sanitizer = require('../../../sanitizer/_text')();
 
 module.exports.tests = {};
 
 module.exports.tests.text_parser = function(test, common) {
-  test('non-empty raw.text should call analyzer and set clean.text and not clean.parsed_text', t => {
+  test('non-empty raw.text should overwrite clean.text', t => {
     const raw = {
       text: 'raw input'
     };
@@ -15,7 +15,7 @@ module.exports.tests.text_parser = function(test, common) {
       text: raw.text
     };
 
-    const messages = sanitizer(raw, clean);
+    const messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(clean, expected_clean);
     t.deepEquals(messages, { warnings: [], errors: [] }, 'no errors/warnings');
@@ -34,7 +34,7 @@ module.exports.tests.text_parser = function(test, common) {
       const expected_clean = {
       };
 
-      const messages = sanitizer(raw, clean);
+      const messages = sanitizer.sanitize(raw, clean);
 
       t.deepEquals(clean, expected_clean);
       t.deepEquals(messages.errors, ['invalid param \'text\': text length, must be >0'], 'no errors');
@@ -46,6 +46,12 @@ module.exports.tests.text_parser = function(test, common) {
 
   });
 
+  test('return an array of expected parameters in object form for validation', (t) => {
+    const expected = [{ name: 'text' }];
+    const validParameters = sanitizer.expected();
+    t.deepEquals(validParameters, expected);
+    t.end();
+  });
 };
 
 module.exports.all = (tape, common) => {

test/unit/sanitizer/_text_addressit.js

@@ -1,4 +1,4 @@
-var sanitizer = require('../../../sanitizer/_text_addressit');
+var sanitizer = require('../../../sanitizer/_text_addressit')();
 var type_mapping = require('../../../helper/type_mapping');
 
 module.exports.tests = {};
@@ -11,7 +11,7 @@ module.exports.tests.text_parser = function(test, common) {
     var clean = {
     };
 
-    var messages = sanitizer(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.deepEquals(messages.errors, [], 'no errors');
     t.deepEquals(messages.warnings, [], 'no warnings');
@@ -42,7 +42,7 @@ module.exports.tests.text_parser = function(test, common) {
         }
       };
 
-      var messages = sanitizer(raw, clean);
+      var messages = sanitizer.sanitize(raw, clean);
 
       t.deepEqual(messages, { errors: [], warnings: [] } );
       t.deepEqual(clean, expected_clean);
@@ -67,7 +67,7 @@ module.exports.tests.text_parser = function(test, common) {
         }
       };
 
-      var messages = sanitizer(raw, clean);
+      var messages = sanitizer.sanitize(raw, clean);
 
       t.deepEqual(messages, { errors: [], warnings: [] } );
       t.deepEqual(clean, expected_clean);
@@ -98,7 +98,7 @@ module.exports.tests.text_parser = function(test, common) {
         }
       };
 
-      var messages = sanitizer(raw, clean);
+      var messages = sanitizer.sanitize(raw, clean);
 
       t.deepEqual(messages, { errors: [], warnings: [] } );
       t.deepEqual(clean, expected_clean);
@@ -122,7 +122,7 @@ module.exports.tests.text_parser = function(test, common) {
         }
       };
 
-      var messages = sanitizer(raw, clean);
+      var messages = sanitizer.sanitize(raw, clean);
 
       t.deepEqual(messages, { errors: [], warnings: [] } );
       t.deepEqual(clean, expected_clean);
@@ -144,7 +144,7 @@ module.exports.tests.text_parser = function(test, common) {
       text: 'yugolsavia'
     };
 
-    var messages = sanitizer(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.deepEqual(messages, { errors: [], warnings: [] } );
     t.deepEqual(clean, expected_clean);
@@ -164,7 +164,7 @@ module.exports.tests.text_parser = function(test, common) {
       text: 'small town'
     };
 
-    var messages = sanitizer(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.deepEqual(messages, { errors: [], warnings: [] } );
     t.deepEqual(clean, expected_clean);
@@ -184,7 +184,7 @@ module.exports.tests.text_parser = function(test, common) {
       text: '123 main'
     };
 
-    var messages = sanitizer(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.deepEqual(messages, { errors: [], warnings: [] } );
     t.deepEqual(clean, expected_clean);
@@ -204,7 +204,7 @@ module.exports.tests.text_parser = function(test, common) {
       text: 'main 123'
     };
 
-    var messages = sanitizer(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.deepEqual(messages, { errors: [], warnings: [] } );
     t.deepEqual(clean, expected_clean);
@@ -228,7 +228,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    var messages = sanitizer(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.deepEqual(messages, { errors: [], warnings: [] } );
     t.deepEqual(clean, expected_clean);
@@ -253,7 +253,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    var messages = sanitizer(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.deepEqual(messages, { errors: [], warnings: [] } );
     t.deepEqual(clean, expected_clean);
@@ -279,7 +279,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    var messages = sanitizer(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.deepEqual(messages, { errors: [], warnings: [] } );
     t.deepEqual(clean, expected_clean);
@@ -305,7 +305,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    var messages = sanitizer(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.deepEqual(messages, { errors: [], warnings: [] } );
     t.deepEqual(clean, expected_clean);
@@ -331,7 +331,7 @@ module.exports.tests.text_parser = function(test, common) {
       }
     };
 
-    var messages = sanitizer(raw, clean);
+    var messages = sanitizer.sanitize(raw, clean);
 
     t.deepEqual(messages, { errors: [], warnings: [] } );
     t.deepEqual(clean, expected_clean);
@@ -339,6 +339,12 @@ module.exports.tests.text_parser = function(test, common) {
 
   });
 
+  test('return an array of expected parameters in object form for validation', (t) => {
+    const expected = [{ name: 'text' }];
+    const validParameters = sanitizer.expected();
+    t.deepEquals(validParameters, expected);
+    t.end();
+  });
 };
 
 module.exports.all = function (tape, common) {

test/unit/sanitizer/_tokenizer.js

@@ -1,4 +1,4 @@
-var sanitizer = require('../../../sanitizer/_tokenizer');
+var sanitizer = require('../../../sanitizer/_tokenizer')();
 
 module.exports.tests = {};
 
@@ -6,7 +6,7 @@ module.exports.tests.sanity_checks = function(test, common) {
   test('clean.text not set', function(t) {
 
     var clean = {}; // clean.text not set
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // no tokens produced
     t.deepEquals(clean.tokens, [], 'no tokens');
@@ -22,7 +22,7 @@ module.exports.tests.sanity_checks = function(test, common) {
   test('clean.text not a string', function(t) {
 
     var clean = { text: {} }; // clean.text not a string
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // no tokens produced
     t.deepEquals(clean.tokens, [], 'no tokens');
@@ -38,7 +38,7 @@ module.exports.tests.sanity_checks = function(test, common) {
   test('empty string', function(t) {
 
     var clean = { text: '' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // no tokens produced
     t.deepEquals(clean.tokens, [], 'no tokens');
@@ -54,7 +54,7 @@ module.exports.tests.sanity_checks = function(test, common) {
   test('clean.parsed_text set but clean.parsed_text.name invalid', function(t) {
 
     var clean = { parsed_text: { text: {} } };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // no tokens produced
     t.deepEquals(clean.tokens, [], 'no tokens');
@@ -70,7 +70,7 @@ module.exports.tests.sanity_checks = function(test, common) {
   test('favor clean.parsed_text.name over clean.text', function(t) {
 
     var clean = { parsed_text: { name: 'foo' }, text: 'bar' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // favor clean.parsed_text.name over clean.text
     t.deepEquals(clean.tokens, [ 'foo' ], 'use clean.parsed_text.name');
@@ -86,7 +86,7 @@ module.exports.tests.sanity_checks = function(test, common) {
   test('favor clean.parsed_text street data over clean.text', function(t) {
 
     var clean = { parsed_text: { number: '190', street: 'foo st' }, text: 'bar' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // favor clean.parsed_text.name over clean.text
     t.deepEquals(clean.tokens, [ '190', 'foo', 'st' ], 'use street name + number');
@@ -102,7 +102,7 @@ module.exports.tests.sanity_checks = function(test, common) {
   test('favor clean.parsed_text.name over clean.parsed_text street data', function(t) {
 
     var clean = { parsed_text: { number: '190', street: 'foo st', name: 'foo' }, text: 'bar' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // favor clean.parsed_text.name over all other variables
     t.deepEquals(clean.tokens, [ 'foo' ], 'use clean.parsed_text.name');
@@ -121,7 +121,7 @@ module.exports.tests.space_delimiter = function(test, common) {
   test('space delimiter - simple', function(t) {
 
     var clean = { text: '30 west 26th street new york' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [
@@ -156,7 +156,7 @@ module.exports.tests.space_delimiter = function(test, common) {
   test('space delimiter - multiple spaces / other whitespace', function(t) {
 
     var clean = { text: ' 30  west \t26th \nstreet   new york ' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [
@@ -194,7 +194,7 @@ module.exports.tests.comma_delimiter = function(test, common) {
   test('comma delimiter - simple', function(t) {
 
     var clean = { text: '30 west 26th street, new york' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [
@@ -229,7 +229,7 @@ module.exports.tests.comma_delimiter = function(test, common) {
   test('comma delimiter - multiple commas', function(t) {
 
     var clean = { text: ',30 west 26th street,,, new york,' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [
@@ -267,7 +267,7 @@ module.exports.tests.forward_slash_delimiter = function(test, common) {
   test('forward slash delimiter - simple', function(t) {
 
     var clean = { text: 'Bedell Street/133rd Avenue' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [
@@ -298,7 +298,7 @@ module.exports.tests.forward_slash_delimiter = function(test, common) {
   test('forward slash - multiple slashes', function(t) {
 
     var clean = { text: '/Bedell Street//133rd Avenue/' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [
@@ -332,7 +332,7 @@ module.exports.tests.final_token_single_gram = function(test, common) {
   test('final token single gram - numeric', function(t) {
 
     var clean = { text: 'grolmanstrasse 1' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [
@@ -359,7 +359,7 @@ module.exports.tests.final_token_single_gram = function(test, common) {
   test('final token single gram - non-numeric', function(t) {
 
     var clean = { text: 'grolmanstrasse a' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [
@@ -389,7 +389,7 @@ module.exports.tests.back_slash_delimiter = function(test, common) {
   test('back slash delimiter - simple', function(t) {
 
     var clean = { text: 'Bedell Street\\133rd Avenue' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [
@@ -408,7 +408,7 @@ module.exports.tests.back_slash_delimiter = function(test, common) {
   test('back slash - multiple slashes', function(t) {
 
     var clean = { text: '\\Bedell Street\\\\133rd Avenue\\' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [
@@ -430,7 +430,7 @@ module.exports.tests.mixed_delimiter = function(test, common) {
   test('mixed delimiters', function(t) {
 
     var clean = { text: ',/Bedell Street\\, \n\t ,\\//133rd Avenue, /\n/' };
-    var messages = sanitizer({}, clean);
+    var messages = sanitizer.sanitize({}, clean);
 
     // tokens produced
     t.deepEquals(clean.tokens, [

test/unit/sanitizer/autocomplete.js

@@ -8,82 +8,111 @@ module.exports.tests.sanitizers = function(test, common) {
     var called_sanitizers = [];
 
     var autocomplete = proxyquire('../../../sanitizer/autocomplete', {
-      '../sanitizer/_single_scalar_parameters': () => {
-        called_sanitizers.push('_single_scalar_parameters');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_single_scalar_parameters': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_single_scalar_parameters');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_text_addressit': () => {
-        called_sanitizers.push('_text_addressit');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_text_addressit': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_text_addressit');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_tokenizer': () => {
-        called_sanitizers.push('_tokenizer');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_tokenizer': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_tokenizer');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_size': function() {
+      '../sanitizer/_size': function () {
         if (_.isEqual(_.values(arguments), [10, 10, 10])) {
-          return () => {
-            called_sanitizers.push('_size');
-            return { errors: [], warnings: [] };
+          return {
+            sanitize: () => {
+              called_sanitizers.push('_size');
+              return { errors: [], warnings: [] };
+              }
           };
-
         } else {
           throw new Error('incorrect parameters passed to _size');
         }
-
       },
-      '../sanitizer/_targets': (type) => {
+      '../sanitizer/_targets': function (type) {
         if (['layers', 'sources'].indexOf(type) !== -1) {
-          return () => {
-            called_sanitizers.push(`_targets/${type}`);
-            return { errors: [], warnings: [] };
-          };
-
-        }
-        else {
+          return {
+            sanitize: () => {
+              called_sanitizers.push(`_targets/${type}`);
+              return { errors: [], warnings: [] };
+              }
+            };
+          } else {
           throw new Error('incorrect parameters passed to _targets');
         }
-
-      },
-      '../sanitizer/_sources_and_layers': () => {
-        called_sanitizers.push('_sources_and_layers');
-        return { errors: [], warnings: [] };
       },
-      '../sanitizer/_flag_bool': function() {
-        if (arguments[0] === 'private' && arguments[1] === false) {
-          return () => {
-            called_sanitizers.push('_flag_bool');
-            return { errors: [], warnings: [] };
-          };
 
-        }
-        else {
-          throw new Error('incorrect parameters passed to _flag_bool');
-        }
-
-      },
-      '../sanitizer/_location_bias': (defaultParameters) => {
-        if (defaultParameters.key === 'value'){
-          return () => {
-            called_sanitizers.push('_location_bias');
+      '../sanitizer/_sources_and_layers': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_sources_and_layers');
             return { errors: [], warnings: [] };
-          };
+          }
+        };
+      },
+      '../sanitizer/_flag_bool': function () {
+        if (arguments[0] === 'private' && arguments[1] === false) {
+          return {
+            sanitize: () => {
+                called_sanitizers.push('_flag_bool');
+                return { errors: [], warnings: [] };
+              }
+            };
         } else {
-            throw new Error('incorrect parameter passed to _location_bias');
+            throw new Error('incorrect parameters passed to _flag_bool');
         }
       },
-      '../sanitizer/_geo_autocomplete': () => {
-        called_sanitizers.push('_geo_autocomplete');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_location_bias': function (defaultParameters) {
+        return {
+          sanitize: () => {
+            if (defaultParameters.key === 'value'){
+                called_sanitizers.push('_location_bias');
+                return { errors: [], warnings: [] };
+            } else {
+                throw new Error('incorrect parameter passed to _location_bias');
+            }
+          }
+        };
       },
-      '../sanitizer/_boundary_country': () => {
-        called_sanitizers.push('_boundary_country');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_geo_autocomplete': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_geo_autocomplete');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_categories': () => {
-        called_sanitizers.push('_categories');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_boundary_country': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_boundary_country');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
+      '../sanitizer/_categories': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_categories');
+            return { errors: [], warnings: [] };
+          }
+        };
+      }
     });
 
     const expected_sanitizers = [

test/unit/sanitizer/defer_to_addressit.js

@@ -12,8 +12,12 @@ module.exports.tests.sanitize = (test, common) => {
     // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
     //  were all called correctly
     const defer_to_addressit = proxyquire('../../../sanitizer/defer_to_addressit', {
-      '../sanitizer/_text_addressit': () => {
-        t.fail('_text_addressit should not have been called');
+      '../sanitizer/_text_addressit': function () {
+        return {
+          sanitize: () => {
+            t.fail('_text_addressit should not have been called');
+          }
+        };
       },
       'pelias-logger': logger
     })(() => false);
@@ -33,9 +37,13 @@ module.exports.tests.sanitize = (test, common) => {
     // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
     //  were all called correctly
     const defer_to_addressit = proxyquire('../../../sanitizer/defer_to_addressit', {
-      '../sanitizer/_text_addressit': () => {
-        t.pass('_text_addressit should have been called');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_text_addressit': function () {
+        return {
+          sanitize: () => {
+            t.pass('_text_addressit should have been called');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
       'pelias-logger': logger,
       '../helper/logging': {
@@ -65,9 +73,13 @@ module.exports.tests.sanitize = (test, common) => {
     // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
     //  were all called correctly
     const defer_to_addressit = proxyquire('../../../sanitizer/defer_to_addressit', {
-      '../sanitizer/_text_addressit': () => {
-        t.pass('_text_addressit should have been called');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_text_addressit': function () {
+        return {
+          sanitize: () => {
+            t.pass('_text_addressit should have been called');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
       'pelias-logger': logger
     })(() => true);
@@ -94,9 +106,13 @@ module.exports.tests.sanitize = (test, common) => {
     // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
     //  were all called correctly
     const defer_to_addressit = proxyquire('../../../sanitizer/defer_to_addressit', {
-      '../sanitizer/_text_addressit': () => {
-        t.pass('_text_addressit should have been called');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_text_addressit': function () {
+        return {
+          sanitize: () => {
+            t.pass('_text_addressit should have been called');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
       'pelias-logger': logger,
       '../helper/logging': {

test/unit/sanitizer/nearby.js

@@ -1,58 +1,137 @@
+const  _ = require('lodash'),
+    proxyquire =  require('proxyquire').noCallThru();
 
-var nearby  = require('../../../sanitizer/nearby');
-var defaults = require('../../../query/reverse_defaults');
-var sanitize = nearby.sanitize;
-var middleware = nearby.middleware;
+module.exports.tests = {};
 
-var defaultClean =  { 'point.lat': 0,
-                      'point.lon': 0,
-                      'boundary.circle.lat': 0,
-                      'boundary.circle.lon': 0,
-                      size: 10,
-                      private: false
-                    };
+module.exports.tests.sanitize = function(test, common) {
+  test('verify that all sanitizers were called as expected', function(t) {
+    var called_sanitizers = [];
 
-module.exports.tests = {};
+    // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
+    //  were all called correctly
+    var nearby = proxyquire('../../../sanitizer/nearby.js', {
+      '../sanitizer/_single_scalar_parameters': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_single_scalar_parameters');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_deprecate_quattroshapes': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_deprecate_quattroshapes');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_targets': function (type) {
+        if (['layers', 'sources'].indexOf(type) !== -1) {
+          return {
+            sanitize: () => {
+              called_sanitizers.push(`_targets/${type}`);
+              return { errors: [], warnings: [] };
+              }
+            };
+          } else {
+          throw new Error('incorrect parameters passed to _targets');
+        }
+      },
+      '../sanitizer/_sources_and_layers': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_sources_and_layers');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_geonames_deprecation': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_geonames_deprecations');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_size': function () {
+        if (_.isEmpty(arguments)) {
+          return {
+            sanitize: () => {
+              called_sanitizers.push('_size');
+              return { errors: [], warnings: [] };
+              }
+          };
+        } else {
+          throw new Error('should not have passed any parameters to _size');
+        }
+      },
+      '../sanitizer/_flag_bool': function () {
+        if (arguments[0] === 'private' && arguments[1] === false) {
+          return {
+            sanitize: () => {
+                called_sanitizers.push('_flag_bool');
+                return { errors: [], warnings: [] };
+              }
+            };
+        } else {
+            throw new Error('incorrect parameters passed to _flag_bool');
+        }
+      },
+      '../sanitizer/_geo_reverse': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_geo_reverse');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_boundary_country': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_boundary_country');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_categories': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_categories');
+            return { errors: [], warnings: [] };
+          }
+        };
+      }
+    });
 
-module.exports.tests.interface = function(test, common) {
-  test('sanitize interface', function(t) {
-    t.equal(typeof sanitize, 'function', 'sanitize is a function');
-    t.equal(sanitize.length, 2, 'sanitize interface');
-    t.end();
-  });
-  test('middleware interface', function(t) {
-    t.equal(typeof middleware, 'function', 'middleware is a function');
-    t.equal(middleware.length, 3, 'sanitizee has a valid middleware');
-    t.end();
-  });
-};
+    const expected_sanitizers = [
+      '_single_scalar_parameters',
+      '_deprecate_quattroshapes',
+      '_targets/layers',
+      '_targets/sources',
+      '_sources_and_layers',
+      '_geonames_deprecations',
+      '_size',
+      '_flag_bool',
+      '_geo_reverse',
+      '_boundary_country',
+      '_categories'
+    ];
 
-module.exports.tests.sanitizers = function(test, common) {
-  test('check sanitizer list', function (t) {
-    var expected = ['singleScalarParameters', 'quattroshapes_deprecation', 'layers',
-      'sources', 'sources_and_layers', 'geonames_deprecation', 'size', 'private',
-      'geo_reverse', 'boundary_country', 'categories'];
-    t.deepEqual(Object.keys(nearby.sanitizer_list), expected);
-    t.end();
-  });
-};
+    const req = {};
+    const res = {};
 
-module.exports.tests.middleware_success = function(test, common) {
-  test('middleware success', function(t) {
-    var req = { query: { 'point.lat': 0, 'point.lon': 0 }};
-    var next = function(){
-      t.deepEqual(req.errors, [], 'no error message set');
-      t.deepEqual(req.clean, defaultClean);
+    nearby.middleware(req, res, () => {
+      t.deepEquals(called_sanitizers, expected_sanitizers);
       t.end();
-    };
-    middleware( req, undefined, next );
+    });
   });
 };
 
 module.exports.all = function (tape, common) {
 
   function test(name, testFunction) {
-    return tape('SANTIZE /nearby ' + name, testFunction);
+    return tape('SANITIZE /nearby ' + name, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/place.js

@@ -1,111 +1,65 @@
-var place  = require('../../../sanitizer/place'),
-    sanitize = place.sanitize,
-    middleware = place.middleware,
-    defaultClean = { ids: [ { source: 'geonames', layer: 'venue', id: '123' } ], private: false };
+const  _ = require('lodash'),
+    proxyquire =  require('proxyquire').noCallThru();
 
-// these are the default values you would expect when no input params are specified.
 module.exports.tests = {};
 
-module.exports.tests.interface = function(test, common) {
-  test('sanitize interface', function(t) {
-    t.equal(typeof sanitize, 'function', 'sanitize is a function');
-    t.equal(sanitize.length, 2, 'sanitize interface');
-    t.end();
-  });
-  test('middleware interface', function(t) {
-    t.equal(typeof middleware, 'function', 'middleware is a function');
-    t.equal(middleware.length, 3, 'sanitize has a valid middleware');
-    t.end();
-  });
-};
-
-module.exports.tests.sanitizers = function(test, common) {
-  test('check sanitizer list', function (t) {
-    var expected = ['singleScalarParameters', 'ids', 'private' ];
-    t.deepEqual(Object.keys(place.sanitizer_list), expected);
-    t.end();
-  });
-};
+module.exports.tests.sanitize = function(test, common) {
+  test('verify that all sanitizers were called as expected', function(t) {
+    var called_sanitizers = [];
 
-module.exports.tests.sanitize_private = function(test, common) {
-  var invalid_values = [null, -1, 123, NaN, 'abc'];
-  invalid_values.forEach(function(value) {
-    test('invalid private param ' + value, function(t) {
-      var req = { query: { ids:'geonames:venue:123', 'private': value } };
-      sanitize(req, function(){
-        t.deepEqual( req.errors, [], 'no errors' );
-        t.deepEqual( req.warnings, [], 'no warnings' );
-        t.equal(req.clean.private, false, 'default private set (to false)');
-        t.end();
-      });
+    // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
+    //  were all called correctly
+    var place = proxyquire('../../../sanitizer/place.js', {
+      '../sanitizer/_single_scalar_parameters': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_single_scalar_parameters');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_ids': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_ids');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_flag_bool': function () {
+        if (arguments[0] === 'private' && arguments[1] === false) {
+          return {
+            sanitize: () => {
+                called_sanitizers.push('_flag_bool');
+                return { errors: [], warnings: [] };
+              }
+            };
+        } else {
+            throw new Error('incorrect parameters passed to _flag_bool');
+        }
+      }
     });
-  });
-
-  var valid_values = ['true', true, 1];
-  valid_values.forEach(function(value) {
-    test('valid private param ' + value, function(t) {
-      var req = { query: { ids:'geonames:venue:123', 'private': value } };
-      sanitize(req, function(){
-        t.deepEqual( req.errors, [], 'no errors' );
-        t.deepEqual( req.warnings, [], 'no warnings' );
-        t.equal(req.clean.private, true, 'private set to true');
-        t.end();
-      });
-    });
-  });
 
-  var valid_false_values = ['false', false, 0];
-  valid_false_values.forEach(function(value) {
-    test('test setting false explicitly ' + value, function(t) {
-      var req = { query: { ids:'geonames:venue:123', 'private': value } };
-      sanitize(req, function(){
-        t.deepEqual( req.errors, [], 'no errors' );
-        t.deepEqual( req.warnings, [], 'no warnings' );
-        t.equal(req.clean.private, false, 'private set to false');
-        t.end();
-      });
-    });
-  });
+    const expected_sanitizers = [
+      '_single_scalar_parameters',
+      '_ids',
+      '_flag_bool'
+    ];
 
-  test('test default behavior', function(t) {
-    var req = { query: { ids:'geonames:venue:123' } };
-    sanitize(req, function(){
-      t.deepEqual( req.errors, [], 'no errors' );
-      t.deepEqual( req.warnings, [], 'no warnings' );
-      t.equal(req.clean.private, false, 'private set to false');
-      t.end();
-    });
-  });
-};
+    const req = {};
+    const res = {};
 
-module.exports.tests.invalid_params = function(test, common) {
-  test('no params', function(t) {
-    var req = { query: {} };
-    sanitize( req, function(){
-      t.equal( req.errors[0], 'invalid param \'ids\': length must be >0', 'error for missing `ids` param');
-      t.deepEqual( req.warnings, [], 'no warnings' );
+    place.middleware(req, res, () => {
+      t.deepEquals(called_sanitizers, expected_sanitizers);
       t.end();
     });
   });
 };
 
-module.exports.tests.middleware_success = function(test, common) {
-  test('middleware success', function(t) {
-    var req = { query: { ids: 'geonames:venue:123' }};
-    var next = function(){
-      t.deepEqual( req.errors, [], 'no errors' );
-      t.deepEqual( req.warnings, [], 'no warnings' );
-      t.deepEqual(req.clean, defaultClean);
-      t.end();
-    };
-    middleware( req, undefined, next );
-  });
-};
-
 module.exports.all = function (tape, common) {
 
   function test(name, testFunction) {
-    return tape('SANTIZE /place ' + name, testFunction);
+    return tape('SANITIZE /place ' + name, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/reverse.js

@@ -1,199 +1,128 @@
-
-// @todo: refactor this test, it's pretty messy, brittle and hard to follow
-
-var reverse  = require('../../../sanitizer/reverse'),
-    sanitize = reverse.sanitize,
-    middleware = reverse.middleware,
-    defaults = require('../../../query/reverse_defaults'),
-    defaultError = 'missing param \'lat\'',
-    defaultClean =  { 'point.lat': 0,
-                      'point.lon': 0,
-                      'boundary.circle.lat': 0,
-                      'boundary.circle.lon': 0,
-                      size: 10,
-                      private: false
-                    };
-
-// these are the default values you would expect when no input params are specified.
-// @todo: why is this different from $defaultClean?
-var emptyClean = { private: false, size: 10 };
+const  _ = require('lodash'),
+    proxyquire =  require('proxyquire').noCallThru();
 
 module.exports.tests = {};
 
-module.exports.tests.interface = function(test, common) {
-  test('sanitize interface', function(t) {
-    t.equal(typeof sanitize, 'function', 'sanitize is a function');
-    t.equal(sanitize.length, 2, 'sanitize interface');
-    t.end();
-  });
-  test('middleware interface', function(t) {
-    t.equal(typeof middleware, 'function', 'middleware is a function');
-    t.equal(middleware.length, 3, 'sanitizee has a valid middleware');
-    t.end();
-  });
-};
-
-module.exports.tests.sanitizers = function(test, common) {
-  test('check sanitizer list', function (t) {
-    var expected = ['singleScalarParameters', 'quattroshapes_deprecation', 'layers',
-      'sources', 'sources_and_layers', 'geonames_deprecation', 'size', 'private',
-      'geo_reverse', 'boundary_country'];
-    t.deepEqual(Object.keys(reverse.sanitizer_list), expected);
-    t.end();
-  });
-};
-
-module.exports.tests.sanitize_lat = function(test, common) {
-  var lats = {
-    invalid: [],
-    valid: [ 0, 45, 90, -0, '0', '45', '90', -181, -120, -91, 91, 120, 181 ],
-    missing: ['', undefined, null]
-  };
-  test('invalid lat', function(t) {
-    lats.invalid.forEach( function( lat ){
-      var req = { query: { 'point.lat': lat, 'point.lon': 0 } };
-      sanitize(req, function(){
-        t.equal(req.errors[0], 'invalid param \'point.lat\': must be >-90 and <90', lat + ' is an invalid latitude');
-        t.deepEqual(req.clean, emptyClean, 'clean only has default values set');
-      });
-    });
-    t.end();
-  });
-  test('valid lat', function(t) {
-    lats.valid.forEach( function( lat ){
-      var req = { query: { 'point.lat': lat, 'point.lon': 0 } };
-      sanitize(req, function(){
-        var expected_lat = parseFloat( lat );
-        t.deepEqual(req.errors, [], 'no errors');
-      });
-    });
-    t.end();
-  });
-  test('missing lat', function(t) {
-    lats.missing.forEach( function( lat ){
-      var req = { query: { 'point.lat': lat, 'point.lon': 0 } };
-      sanitize(req, function(){
-        t.equal(req.errors[0], 'missing param \'point.lat\'', 'latitude is a required field');
-        t.deepEqual(req.clean, emptyClean, 'clean only has default values set');
-      });
-    });
-    t.end();
-  });
-};
-
-module.exports.tests.sanitize_lon = function(test, common) {
-  var lons = {
-    valid: [ -360, -181, 181, -180, -1, -0, 0, 45, 90, '-180', '0', '180' ],
-    missing: ['', undefined, null]
-  };
-  test('valid lon', function(t) {
-    lons.valid.forEach( function( lon ){
-      var req = { query: { 'point.lat': 0, 'point.lon': lon } };
-      sanitize(req, function(){
-        var expected_lon = parseFloat( lon );
-        t.deepEqual(req.errors, [], 'no errors');
-      });
+module.exports.tests.sanitize = function(test, common) {
+  test('verify that all sanitizers were called as expected', function(t) {
+    var called_sanitizers = [];
+
+    // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
+    //  were all called correctly
+    var reverse = proxyquire('../../../sanitizer/reverse.js', {
+      '../sanitizer/_single_scalar_parameters': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_single_scalar_parameters');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_deprecate_quattroshapes': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_deprecate_quattroshapes');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_targets': function (type) {
+        if (['layers', 'sources'].indexOf(type) !== -1) {
+          return {
+            sanitize: () => {
+              called_sanitizers.push(`_targets/${type}`);
+              return { errors: [], warnings: [] };
+              }
+            };
+          } else {
+          throw new Error('incorrect parameters passed to _targets');
+        }
+      },
+      '../sanitizer/_sources_and_layers': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_sources_and_layers');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_geonames_deprecation': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_geonames_deprecations');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_size': function () {
+        if (_.isEmpty(arguments)) {
+          return {
+            sanitize: () => {
+              called_sanitizers.push('_size');
+              return { errors: [], warnings: [] };
+              }
+          };
+        } else {
+          throw new Error('should not have passed any parameters to _size');
+        }
+      },
+      '../sanitizer/_flag_bool': function () {
+        if (arguments[0] === 'private' && arguments[1] === false) {
+          return {
+            sanitize: () => {
+                called_sanitizers.push('_flag_bool');
+                return { errors: [], warnings: [] };
+              }
+            };
+        } else {
+            throw new Error('incorrect parameters passed to _flag_bool');
+        }
+      },
+      '../sanitizer/_geo_reverse': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_geo_reverse');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_boundary_country': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_boundary_country');
+            return { errors: [], warnings: [] };
+          }
+        };
+      }
     });
-    t.end();
-  });
-  test('missing lon', function(t) {
-    lons.missing.forEach( function( lon ){
-      var req = { query: { 'point.lat': 0, 'point.lon': lon } };
-
-      // @todo: why is lat set?
-      var expected = { 'point.lat': 0, private: false, size: 10 };
-      sanitize(req, function(){
-        t.equal(req.errors[0], 'missing param \'point.lon\'', 'longitude is a required field');
-        t.deepEqual(req.clean, expected, 'clean only has default values set');
-      });
-    });
-    t.end();
-  });
-};
 
-module.exports.tests.sanitize_size = function(test, common) {
-  test('invalid size value', function(t) {
-    var req = { query: { size: 'a', 'point.lat': 0, 'point.lon': 0 } };
-    sanitize(req, function(){
-      t.equal(req.clean.size, 10, 'default size set');
+    const expected_sanitizers = [
+      '_single_scalar_parameters',
+      '_deprecate_quattroshapes',
+      '_targets/layers',
+      '_targets/sources',
+      '_sources_and_layers',
+      '_geonames_deprecations',
+      '_size',
+      '_flag_bool',
+      '_geo_reverse',
+      '_boundary_country'
+    ];
+
+    const req = {};
+    const res = {};
+
+    reverse.middleware(req, res, () => {
+      t.deepEquals(called_sanitizers, expected_sanitizers);
       t.end();
     });
   });
-  test('below min size value', function(t) {
-    var req = { query: { size: -100, 'point.lat': 0, 'point.lon': 0 } };
-    sanitize(req, function(){
-      t.equal(req.clean.size, 1, 'min size set');
-      t.end();
-    });
-  });
-  test('above max size value', function(t) {
-    var req = { query: { size: 9999, 'point.lat': 0, 'point.lon': 0 } };
-    sanitize(req, function(){
-      t.equal(req.clean.size, 40, 'max size set');
-      t.end();
-    });
-  });
-};
-
-module.exports.tests.sanitize_private = function(test, common) {
-  var invalid_values = [null, -1, 123, NaN, 'abc'];
-  invalid_values.forEach(function(value) {
-    test('invalid private param ' + value, function(t) {
-      var req = { query: { 'point.lat': 0, 'point.lon': 0, 'private': value } };
-      sanitize(req, function(){
-        t.equal(req.clean.private, false, 'default private set (to false)');
-        t.end();
-      });
-    });
-  });
-
-  var valid_values = ['true', true, 1, '1'];
-  valid_values.forEach(function(value) {
-    test('valid private param ' + value, function(t) {
-      var req = { query: { 'point.lat': 0, 'point.lon': 0, 'private': value } };
-      sanitize(req, function(){
-        t.equal(req.clean.private, true, 'private set to true');
-        t.end();
-      });
-    });
-  });
-
-  var valid_false_values = ['false', false, 0];
-  valid_false_values.forEach(function(value) {
-    test('test setting false explicitly ' + value, function(t) {
-      var req = { query: { 'point.lat': 0, 'point.lon': 0, 'private': value } };
-      sanitize(req, function(){
-        t.equal(req.clean.private, false, 'private set to false');
-        t.end();
-      });
-    });
-  });
-
-  test('test default behavior', function(t) {
-    var req = { query: { 'point.lat': 0, 'point.lon': 0 } };
-    sanitize(req, function(){
-      t.equal(req.clean.private, false, 'private set to false');
-      t.end();
-    });
-  });
-};
-
-module.exports.tests.middleware_success = function(test, common) {
-  test('middleware success', function(t) {
-    var req = { query: { 'point.lat': 0, 'point.lon': 0 }};
-    var next = function(){
-      t.deepEqual(req.errors, [], 'no error message set');
-      t.deepEqual(req.clean, defaultClean);
-      t.end();
-    };
-    middleware( req, undefined, next );
-  });
 };
 
 module.exports.all = function (tape, common) {
 
   function test(name, testFunction) {
-    return tape('SANTIZE /reverse ' + name, testFunction);
+    return tape('SANITIZE /reverse ' + name, testFunction);
   }
 
   for( var testCase in module.exports.tests ){

test/unit/sanitizer/sanitizeAll.js

@@ -5,22 +5,26 @@ module.exports.tests = {};
 module.exports.tests.all = function(test, common) {
   test('req.clean/errors/warnings should be initialized when they are not', function(t) {
     var req = {};
-    var sanitizers = [
-      function() {
-        req.clean.a = 'first sanitizer';
-        return {
-          errors: ['error 1', 'error 2'],
-          warnings: ['warning 1', 'warning 2']
-        };
+    var sanitizers = {
+      'first': {
+        sanitize: function(){
+          req.clean.a = 'first sanitizer';
+          return {
+            errors: ['error 1', 'error 2'],
+            warnings: ['warning 1', 'warning 2']
+          };
+        }
       },
-      function() {
-        req.clean.b = 'second sanitizer';
-        return {
-          errors: ['error 3'],
-          warnings: ['warning 3']
-        };
+      'second': {
+        sanitize: function() {
+          req.clean.b = 'second sanitizer';
+          return {
+            errors: ['error 3'],
+            warnings: ['warning 3']
+          };
+        }
       }
-    ];
+    };
 
     var expected_req = {
       clean: {
@@ -31,10 +35,9 @@ module.exports.tests.all = function(test, common) {
       warnings: ['warning 1', 'warning 2', 'warning 3']
     };
 
-    sanitizeAll(req, sanitizers, function(){
-      t.deepEquals(req, expected_req);
-      t.end();
-    });
+    sanitizeAll.runAllChecks(req, sanitizers);
+    t.deepEquals(req, expected_req);
+    t.end();
 
   });
 
@@ -47,22 +50,26 @@ module.exports.tests.all = function(test, common) {
       warnings: ['pre-existing warning']
     };
 
-    var sanitizers = [
-      function() {
-        req.clean.a = 'first sanitizer';
-        return {
-          errors: ['error 1', 'error 2'],
-          warnings: ['warning 1', 'warning 2']
-        };
+    var sanitizers = {
+      'first': {
+        sanitize: function(){
+          req.clean.a = 'first sanitizer';
+          return {
+            errors: ['error 1', 'error 2'],
+            warnings: ['warning 1', 'warning 2']
+          };
+        }
       },
-      function() {
-        req.clean.b = 'second sanitizer';
-        return {
-          errors: ['error 3'],
-          warnings: ['warning 3']
-        };
+      'second': {
+        sanitize: function() {
+          req.clean.b = 'second sanitizer';
+          return {
+            errors: ['error 3'],
+            warnings: ['warning 3']
+          };
+        }
       }
-    ];
+    };
 
     var expected_req = {
       clean: {
@@ -74,63 +81,63 @@ module.exports.tests.all = function(test, common) {
       warnings: ['pre-existing warning', 'warning 1', 'warning 2', 'warning 3']
     };
 
-    sanitizeAll(req, sanitizers, function(){
-      t.deepEquals(req, expected_req);
-      t.end();
-    });
-
+    sanitizeAll.runAllChecks(req, sanitizers);
+    t.deepEquals(req, expected_req);
+    t.end();
   });
 
   test('req.query should be passed to individual sanitizers when available', function(t) {
     var req = {
       query: {
-        value: 'query value'
+        value: 'query'
       }
     };
-    var sanitizers = [
-      function(params) {
-        req.clean.query = params;
-        return {
-          errors: [],
-          warnings: []
-        };
+    var sanitizers = {
+      'first': {
+        sanitize: function (params) {
+          req.clean.query = params;
+          return {
+            errors: [],
+            warnings: []
+          };
+        }
       }
-    ];
+    };
 
     var expected_req = {
       query: {
-        value: 'query value'
+        value: 'query'
       },
       clean: {
         query: {
-          value: 'query value'
+          value: 'query'
         }
       },
       errors: [],
       warnings: []
     };
 
-    sanitizeAll(req, sanitizers, function(){
-      t.deepEquals(req, expected_req);
-      t.end();
-    });
-
+    sanitizeAll.runAllChecks(req, sanitizers);
+    t.deepEquals(req, expected_req);
+    t.end();
   });
 
   test('an empty object should be passed to individual sanitizers when req.query is unavailable', function(t) {
     var req = {};
-    var sanitizers = [
-      function(params) {
-        if (Object.keys(params).length === 0) {
-          req.clean.empty_object_was_passed = true;
+    var sanitizers = {
+      'first': {
+        sanitize: function(params) {
+          if (Object.keys(params).length === 0) {
+            req.clean.empty_object_was_passed = true;
+          }
+
+          return {
+            errors: [],
+            warnings: []
+          };
         }
-
-        return {
-          errors: [],
-          warnings: []
-        };
       }
-    ];
+    };
 
     var expected_req = {
       clean: {
@@ -140,11 +147,97 @@ module.exports.tests.all = function(test, common) {
       warnings: []
     };
 
-    sanitizeAll(req, sanitizers, function(){
-      t.deepEquals(req, expected_req);
-      t.end();
-    });
+    sanitizeAll.runAllChecks(req, sanitizers);
+    t.deepEquals(req, expected_req);
+    t.end();
+  });
+
+  test('unexpected parameters should add warning', function(t) {
+    var req = {
+          query: {
+            unknown_value: 'query value'
+          },
+          errors: [],
+          warnings: []
+    };
+    var sanitizers = {
+      'first': {
+        expected: function _expected () {
+          // add value as a valid parameter
+          return [{
+            name: 'value'
+          }];
+        }
+      }
+    };
+
+    sanitizeAll.checkParameters(req, sanitizers);
+    t.equals(req.errors.length, 0);
+    t.deepEquals(req.warnings[0], 'Invalid Parameter: unknown_value');
+    t.end();
+  });
+
+  test('expected parameters should not add warning', function(t) {
+    var req = {
+          query: {
+            value: 'query value'
+          },
+          errors: [],
+          warnings: []
+    };
+    var sanitizers = {
+      'first': {
+        expected: function _expected () {
+          // add value as a valid parameter
+          return [{
+            name: 'value'
+          }];
+        }
+      }
+    };
+
+    sanitizeAll.checkParameters(req, sanitizers);
+    t.equals(req.errors.length, 0);
+    t.equals(req.warnings.length, 0);
+    t.end();
+
+  });
+
+  test('sanitizer without expected() should not validate parameters', function(t) {
+    var req = {
+      query: {
+        value: 'query'
+      }
+    };
+
+    var sanitizers = {
+      'first': {
+        sanitize: function(params) {
+          req.clean.query = params;
+          return {
+            errors: [],
+            warnings: ['warning 1']
+          };
+        }
+      }
+    };
+
+    var expected_req = {
+      query: {
+        value: 'query'
+      },
+      clean: {
+        query: {
+          value: 'query'
+        }
+      },
+      errors: [],
+      warnings: ['warning 1']
+    };
 
+    sanitizeAll.runAllChecks(req, sanitizers);
+    t.deepEquals(req, expected_req);
+    t.end();
   });
 
 };

test/unit/sanitizer/search.js

@@ -9,86 +9,122 @@ module.exports.tests.sanitize = (test, common) => {
 
     // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
     //  were all called correctly
+
+    // each mock dependency is a function that returns an object.
+    // the object contains a key called {function} sanitize,
+    // which pushes the name of the sanitizer to {array} called_sanitizers
     const search = proxyquire('../../../sanitizer/search', {
-      '../sanitizer/_deprecate_quattroshapes': () => {
-        called_sanitizers.push('_deprecate_quattroshapes');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_deprecate_quattroshapes': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_deprecate_quattroshapes');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_single_scalar_parameters': () => {
-        called_sanitizers.push('_single_scalar_parameters');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_single_scalar_parameters': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_single_scalar_parameters');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_text': () => {
-        called_sanitizers.push('_text');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_text': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_text');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
       '../sanitizer/_size': function() {
         if (_.isEmpty(arguments)) {
-          return () => {
-            called_sanitizers.push('_size');
-            return { errors: [], warnings: [] };
+          return {
+            sanitize: () => {
+              called_sanitizers.push('_size');
+              return { errors: [], warnings: [] };
+              }
           };
-
         } else {
           throw new Error('should not have passed any parameters to _size');
         }
-
       },
-      '../sanitizer/_targets': (type) => {
+      '../sanitizer/_targets': function (type) {
         if (['layers', 'sources'].indexOf(type) !== -1) {
-          return () => {
-            called_sanitizers.push(`_targets/${type}`);
-            return { errors: [], warnings: [] };
-          };
-
-        }
-        else {
+          return {
+            sanitize: () => {
+              called_sanitizers.push(`_targets/${type}`);
+              return { errors: [], warnings: [] };
+              }
+            };
+          } else {
           throw new Error('incorrect parameters passed to _targets');
         }
-
       },
-      '../sanitizer/_sources_and_layers': () => {
-        called_sanitizers.push('_sources_and_layers');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_sources_and_layers': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_sources_and_layers');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_flag_bool': function() {
+      '../sanitizer/_flag_bool': function () {
         if (arguments[0] === 'private' && arguments[1] === false) {
-          return () => {
-            called_sanitizers.push('_flag_bool');
-            return { errors: [], warnings: [] };
-          };
-
-        }
-        else {
-          throw new Error('incorrect parameters passed to _flag_bool');
+          return {
+            sanitize: () => {
+                called_sanitizers.push('_flag_bool');
+                return { errors: [], warnings: [] };
+              }
+            };
+        } else {
+            throw new Error('incorrect parameters passed to _flag_bool');
         }
-
-      },
-      '../sanitizer/_geo_search': () => {
-        called_sanitizers.push('_geo_search');
-        return { errors: [], warnings: [] };
       },
-      '../sanitizer/_boundary_country': () => {
-        called_sanitizers.push('_boundary_country');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_geo_search': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_geo_search');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_categories': () => {
-        called_sanitizers.push('_categories');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_boundary_country': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_boundary_country');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-        '../sanitizer/_geonames_warnings': () => {
-        called_sanitizers.push('_geonames_warnings');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_categories': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_categories');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_location_bias': (defaultParameters) => {
-        if (defaultParameters.key === 'value'){
-          return () => {
-            called_sanitizers.push('_location_bias');
+        '../sanitizer/_geonames_warnings': function () {
+        return {
+            sanitize: () => {
+            called_sanitizers.push('_geonames_warnings');
             return { errors: [], warnings: [] };
-          };
-        } else {
-            throw new Error('incorrect parameter passed to _location_bias');
-        }
+          }
+        };
+      },
+      '../sanitizer/_location_bias': function (defaultParameters) {
+        return {
+          sanitize: () => {
+            if (defaultParameters.key === 'value'){
+                called_sanitizers.push('_location_bias');
+                return { errors: [], warnings: [] };
+            } else {
+                throw new Error('incorrect parameter passed to _location_bias');
+            }
+          }
+        };
       }
 
     });
@@ -113,6 +149,7 @@ module.exports.tests.sanitize = (test, common) => {
     const res = {};
 
     const middleware = search.middleware({
+      // mock pelias config ap.defaultParameters section for location bias
       defaultParameters: {
         key: 'value'
       }
@@ -124,6 +161,7 @@ module.exports.tests.sanitize = (test, common) => {
     });
 
   });
+
 };
 
 module.exports.all = (tape, common) => {

test/unit/sanitizer/search_fallback.js

@@ -0,0 +1,197 @@
+var proxyquire =  require('proxyquire').noCallThru();
+
+module.exports.tests = {};
+
+module.exports.tests.sanitize = function(test, common) {
+  test('verify that all sanitizers were called as expected when `res` is undefined', function(t) {
+    var called_sanitizers = [];
+
+    // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
+    //  were all called correctly
+    var search = proxyquire('../../../sanitizer/search_fallback', {
+      '../sanitizer/_text_addressit': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_text_addressit');
+            return { errors: [], warnings: [] };
+          }
+        };
+      }
+    });
+
+    var expected_sanitizers = [
+      '_text_addressit'
+    ];
+
+    var req = {};
+
+    search.middleware(req, undefined, function(){
+      t.deepEquals(called_sanitizers, expected_sanitizers);
+      t.end();
+    });
+
+  });
+
+  test('verify that all sanitizers were called as expected when `res` has no `data` property', function(t) {
+    var called_sanitizers = [];
+
+    // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
+    //  were all called correctly
+    var search = proxyquire('../../../sanitizer/search_fallback', {
+      '../sanitizer/_text_addressit': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_text_addressit');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+    });
+
+    var expected_sanitizers = [
+      '_text_addressit'
+    ];
+
+    var req = {};
+    var res = {};
+
+    search.middleware(req, res, function(){
+      t.deepEquals(called_sanitizers, expected_sanitizers);
+      t.end();
+    });
+
+  });
+
+  test('verify that all sanitizers were called as expected when res.data is empty', function(t) {
+    var called_sanitizers = [];
+
+    // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
+    //  were all called correctly
+    var search = proxyquire('../../../sanitizer/search_fallback', {
+      '../sanitizer/_text_addressit': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_text_addressit');
+            return { errors: [], warnings: [] };
+          }
+        };
+      },
+    });
+
+    var expected_sanitizers = [
+      '_text_addressit'
+    ];
+
+    var req = {};
+    var res = {
+      data: []
+    };
+
+    search.middleware(req, res, function(){
+      t.deepEquals(called_sanitizers, expected_sanitizers);
+      t.end();
+    });
+
+  });
+
+  test('non-empty res.data should not call the _text_autocomplete sanitizer', function(t) {
+    var called_sanitizers = [];
+
+    // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
+    //  were all called correctly
+    var search = proxyquire('../../../sanitizer/search_fallback', {
+      '../sanitizer/_text_autocomplete': function() {
+        throw new Error('_text_autocomplete sanitizer should not have been called');
+      }
+    });
+
+    var expected_sanitizers = [];
+
+    var req = {};
+    var res = {
+      data: [{}]
+    };
+
+    search.middleware(req, res, function(){
+      t.deepEquals(called_sanitizers, expected_sanitizers);
+      t.end();
+    });
+
+  });
+
+  test('req.clean.text should be logged when isDNT=false', (t) => {
+    const infoLog = [];
+
+    const search = proxyquire('../../../sanitizer/search_fallback', {
+      'pelias-logger': {
+        get: () => {
+          return {
+            info: (msg) => {
+              infoLog.push(msg);
+            }
+          };
+        }
+      },
+      '../helper/logging': {
+        isDNT: () => { return false; }
+      }
+    });
+
+    const req = {
+      path: '/v1/search',
+      clean: {
+        text: 'this is the query text'
+      }
+    };
+
+    search.middleware(req, undefined, () => {
+      t.deepEquals(infoLog, [`fallback queryText: ${req.clean.text}`]);
+      t.end();
+    });
+
+  });
+
+  test('req.clean.text should not be logged when isDNT=true', (t) => {
+    const infoLog = [];
+
+    const search = proxyquire('../../../sanitizer/search_fallback', {
+      'pelias-logger': {
+        get: () => {
+          return {
+            info: (msg) => {
+              infoLog.push(msg);
+            }
+          };
+        }
+      },
+      '../helper/logging': {
+        isDNT: () => { return true; }
+      }
+    });
+
+    const req = {
+      path: '/v1/search',
+      clean: {
+        text: 'this is the query text'
+      }
+    };
+
+    search.middleware(req, undefined, () => {
+      t.deepEquals(infoLog, ['fallback queryText: [text removed]']);
+      t.end();
+    });
+
+  });
+
+};
+
+module.exports.all = function (tape, common) {
+
+  function test(name, testFunction) {
+    return tape('SANITIZE /search_fallback ' + name, testFunction);
+  }
+
+  for( var testCase in module.exports.tests ){
+    module.exports.tests[testCase](test, common);
+  }
+};

test/unit/sanitizer/structured_geocoding.js

@@ -1,4 +1,5 @@
 var proxyquire =  require('proxyquire').noCallThru();
+const _ = require('lodash');
 
 module.exports.tests = {};
 
@@ -9,89 +10,125 @@ module.exports.tests.sanitize = function(test, common) {
     // rather than re-verify the functionality of all the sanitizers, this test just verifies that they
     //  were all called correctly
     var search = proxyquire('../../../sanitizer/structured_geocoding', {
-      '../sanitizer/_deprecate_quattroshapes': function() {
-        called_sanitizers.push('_deprecate_quattroshapes');
-        return { errors: [], warnings: [] };
-      },
-      '../sanitizer/_single_scalar_parameters': function() {
-        called_sanitizers.push('_single_scalar_parameters');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_deprecate_quattroshapes': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_deprecate_quattroshapes');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_synthesize_analysis': function() {
-        called_sanitizers.push('_synthesize_analysis');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_single_scalar_parameters': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_single_scalar_parameters');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_iso2_to_iso3': function() {
-        called_sanitizers.push('_iso2_to_iso3');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_synthesize_analysis': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_synthesize_analysis');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_city_name_standardizer': function() {
-        called_sanitizers.push('_city_name_standardizer');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_iso2_to_iso3': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_iso2_to_iso3');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_size': function() {
-        if (arguments.length === 0) {
-          return function() {
-            called_sanitizers.push('_size');
+      '../sanitizer/_city_name_standardizer': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_city_name_standardizer');
             return { errors: [], warnings: [] };
+          }
+        };
+      },
+      '../sanitizer/_size': function () {
+        if (_.isEmpty(arguments)) {
+          return {
+            sanitize: () => {
+              called_sanitizers.push('_size');
+              return { errors: [], warnings: [] };
+              }
           };
-
         } else {
           throw new Error('should not have passed any parameters to _size');
         }
-
       },
-      '../sanitizer/_targets': function(type) {
+      '../sanitizer/_targets': function (type) {
         if (['layers', 'sources'].indexOf(type) !== -1) {
-          return function() {
-            called_sanitizers.push('_targets/' + type);
-            return { errors: [], warnings: [] };
-          };
-
-        }
-        else {
+          return {
+            sanitize: () => {
+              called_sanitizers.push(`_targets/${type}`);
+              return { errors: [], warnings: [] };
+              }
+            };
+          } else {
           throw new Error('incorrect parameters passed to _targets');
         }
-
       },
-      '../sanitizer/_sources_and_layers': function() {
-        called_sanitizers.push('_sources_and_layers');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_sources_and_layers': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_sources_and_layers');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_flag_bool': function() {
+      '../sanitizer/_flag_bool': function () {
         if (arguments[0] === 'private' && arguments[1] === false) {
-          return function() {
-            called_sanitizers.push('_flag_bool');
-            return { errors: [], warnings: [] };
-          };
-
-        }
-        else {
-          throw new Error('incorrect parameters passed to _flag_bool');
+          return {
+            sanitize: () => {
+                called_sanitizers.push('_flag_bool');
+                return { errors: [], warnings: [] };
+              }
+            };
+        } else {
+            throw new Error('incorrect parameters passed to _flag_bool');
         }
-
       },
-      '../sanitizer/_geo_search': function() {
-        called_sanitizers.push('_geo_search');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_geo_search': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_geo_search');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_boundary_country': function() {
-        called_sanitizers.push('_boundary_country');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_boundary_country': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_boundary_country');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
-      '../sanitizer/_categories': function() {
-        called_sanitizers.push('_categories');
-        return { errors: [], warnings: [] };
+      '../sanitizer/_categories': function () {
+        return {
+          sanitize: () => {
+            called_sanitizers.push('_categories');
+            return { errors: [], warnings: [] };
+          }
+        };
       },
       '../sanitizer/_location_bias': function (defaultParameters) {
-        if (defaultParameters.key === 'value'){
-          return () => {
-            called_sanitizers.push('_location_bias');
-            return { errors: [], warnings: [] };
-          };
-        } else {
-            throw new Error('incorrect parameter passed to _location_bias');
-        }
+        return {
+          sanitize: () => {
+            if (defaultParameters.key === 'value'){
+                called_sanitizers.push('_location_bias');
+                return { errors: [], warnings: [] };
+            } else {
+                throw new Error('incorrect parameter passed to _location_bias');
+            }
+          }
+        };
       }
     });