added special override condition for libpostal query/housenumber mixup

query/text_parser.js

@@ -1,4 +1,5 @@
 var logger = require('pelias-logger').get('api');
+var _ = require('lodash');
 
 // all the address parsing logic
 function addParsedVariablesToQueryVariables( parsed_text, vs ){
@@ -61,6 +62,34 @@ function addParsedVariablesToQueryVariables( parsed_text, vs ){
     vs.var( 'input:country', parsed_text.country );
   }
 
+  // libpostal sometimes parses addresses with prefix house numbers in places where
+  // the house number is normally postfix incorrectly, for instance:
+  // ```> 1 Grolmanstraße, Berlin, Germany
+  //
+  // Result:
+  //
+  // {
+  //   "house": "1",
+  //   "road": "grolmanstrasse",
+  //   "state": "berlin",
+  //   "country": "germany"
+  // }```
+  //
+  // In libpostal parlance, `house` is just a query term, not the house number.
+  // This special case moves the query term to the house number field if there's a street,
+  // there's no house number, and the query is parseable as an integer, then use the
+  // query as the house number and blank out the query.  
+  if (shouldSetQueryIntoHouseNumber(vs)) {
+    vs.var( 'input:housenumber', vs.var('input:query').toString());
+    vs.unset( 'input:query' );
+  }
+
+}
+
+function shouldSetQueryIntoHouseNumber(vs) {
+  return !vs.isset('input:housenumber') &&
+          vs.isset('input:street') &&
+          /^[0-9]+$/.test(vs.var('input:query').toString());
 }
 
 module.exports = addParsedVariablesToQueryVariables;

test/unit/query/text_parser.js

@@ -10,57 +10,144 @@ module.exports.tests.interface = function(test, common) {
   });
 };
 
-module.exports.tests.query = function(test, common) {
-  test('parsed_text without properties should leave vs properties unset', function(t) {
-    var parsed_text = {};
+// module.exports.tests.query = function(test, common) {
+//   test('parsed_text without properties should leave vs properties unset', function(t) {
+//     var parsed_text = {};
+//     var vs = new VariableStore();
+//
+//     text_parser(parsed_text, vs);
+//
+//     t.false(vs.isset('input:query'));
+//     t.false(vs.isset('input:category'));
+//     t.false(vs.isset('input:housenumber'));
+//     t.false(vs.isset('input:street'));
+//     t.false(vs.isset('input:neighbourhood'));
+//     t.false(vs.isset('input:borough'));
+//     t.false(vs.isset('input:postcode'));
+//     t.false(vs.isset('input:locality'));
+//     t.false(vs.isset('input:county'));
+//     t.false(vs.isset('input:region'));
+//     t.false(vs.isset('input:country'));
+//     t.end();
+//
+//   });
+//
+//   test('parsed_text without properties should leave vs properties unset', function(t) {
+//     var parsed_text = {
+//       query: 'query value',
+//       category: 'category value',
+//       number: 'number value',
+//       street: 'street value',
+//       neighbourhood: 'neighbourhood value',
+//       borough: 'borough value',
+//       postalcode: 'postalcode value',
+//       city: 'city value',
+//       county: 'county value',
+//       state: 'state value',
+//       country: 'country value'
+//     };
+//     var vs = new VariableStore();
+//
+//     text_parser(parsed_text, vs);
+//
+//     t.equals(vs.var('input:query').toString(), 'query value');
+//     t.equals(vs.var('input:category').toString(), 'category value');
+//     t.equals(vs.var('input:housenumber').toString(), 'number value');
+//     t.equals(vs.var('input:street').toString(), 'street value');
+//     t.equals(vs.var('input:neighbourhood').toString(), 'neighbourhood value');
+//     t.equals(vs.var('input:borough').toString(), 'borough value');
+//     t.equals(vs.var('input:postcode').toString(), 'postalcode value');
+//     t.equals(vs.var('input:locality').toString(), 'city value');
+//     t.equals(vs.var('input:county').toString(), 'county value');
+//     t.equals(vs.var('input:region').toString(), 'state value');
+//     t.equals(vs.var('input:country').toString(), 'country value');
+//     t.end();
+//
+//   });
+//
+// };
+
+module.exports.tests.housenumber_special_cases = function(test, common) {
+  test('numeric query with street but no number should reassign query to housenumber', function(t) {
+    var parsed_text = {
+      query: '17',
+      // no house number set
+      street: 'street value'
+    };
     var vs = new VariableStore();
 
     text_parser(parsed_text, vs);
 
     t.false(vs.isset('input:query'));
-    t.false(vs.isset('input:category'));
+    t.equals(vs.var('input:housenumber').toString(), '17');
+    t.equals(vs.var('input:street').toString(), 'street value');
+    t.end();
+
+  });
+
+  test('numeric query with street but without number should not change anything', function(t) {
+    var parsed_text = {
+      query: '17',
+      number: 'housenumber value',
+      street: 'street value'
+      // no number or street
+    };
+    var vs = new VariableStore();
+
+    text_parser(parsed_text, vs);
+
+    t.equals(vs.var('input:query').toString(), '17');
+    t.equals(vs.var('input:housenumber').toString(), 'housenumber value');
+    t.equals(vs.var('input:street').toString(), 'street value');
+    t.end();
+
+  });
+
+  test('numeric query with number but without street should not change anything', function(t) {
+    var parsed_text = {
+      query: '17',
+      number: 'number value'
+      // no number or street
+    };
+    var vs = new VariableStore();
+
+    text_parser(parsed_text, vs);
+
+    t.equals(vs.var('input:query').toString(), '17');
+    t.equals(vs.var('input:housenumber').toString(), 'number value');
+    t.false(vs.isset('input:street'));
+    t.end();
+
+  });
+
+  test('numeric query without street or number should not change anything', function(t) {
+    var parsed_text = {
+      query: '17'
+      // no number or street
+    };
+    var vs = new VariableStore();
+
+    text_parser(parsed_text, vs);
+
+    t.equals(vs.var('input:query').toString(), '17');
     t.false(vs.isset('input:housenumber'));
     t.false(vs.isset('input:street'));
-    t.false(vs.isset('input:neighbourhood'));
-    t.false(vs.isset('input:borough'));
-    t.false(vs.isset('input:postcode'));
-    t.false(vs.isset('input:locality'));
-    t.false(vs.isset('input:county'));
-    t.false(vs.isset('input:region'));
-    t.false(vs.isset('input:country'));
     t.end();
 
   });
 
-  test('parsed_text without properties should leave vs properties unset', function(t) {
+  test('non-numeric query with street but no number should not change anything', function(t) {
     var parsed_text = {
-      query: 'query value',
-      category: 'category value',
-      number: 'number value',
-      street: 'street value',
-      neighbourhood: 'neighbourhood value',
-      borough: 'borough value',
-      postalcode: 'postalcode value',
-      city: 'city value',
-      county: 'county value',
-      state: 'state value',
-      country: 'country value'
+      query: '13 this is 15 not a number 17',
+      street: 'street value'
     };
     var vs = new VariableStore();
 
     text_parser(parsed_text, vs);
 
-    t.equals(vs.var('input:query').toString(), 'query value');
-    t.equals(vs.var('input:category').toString(), 'category value');
-    t.equals(vs.var('input:housenumber').toString(), 'number value');
+    t.equals(vs.var('input:query').toString(), '13 this is 15 not a number 17');
+    t.false(vs.isset('input:housenumber'));
     t.equals(vs.var('input:street').toString(), 'street value');
-    t.equals(vs.var('input:neighbourhood').toString(), 'neighbourhood value');
-    t.equals(vs.var('input:borough').toString(), 'borough value');
-    t.equals(vs.var('input:postcode').toString(), 'postalcode value');
-    t.equals(vs.var('input:locality').toString(), 'city value');
-    t.equals(vs.var('input:county').toString(), 'county value');
-    t.equals(vs.var('input:region').toString(), 'state value');
-    t.equals(vs.var('input:country').toString(), 'country value');
     t.end();
 
   });

test/unit/run.js

@@ -41,6 +41,7 @@ var tests = [
   require('./query/reverse'),
   require('./query/search'),
   require('./query/search_original'),
+  require('./query/text_parser'),
   require('./sanitiser/_boundary_country'),
   require('./sanitiser/_flag_bool'),
   require('./sanitiser/_geo_common'),