Fix missing legacyUrl behavior

app.js

@@ -15,6 +15,7 @@ app.use( require('./middleware/cors') );
 app.use( require('./middleware/jsonp') );
 
 /** ----------------------- routes ----------------------- **/
+
 var legacy = require('./routes/legacy');
 legacy.addRoutes(app, peliasConfig);
 

routes/legacy.js

@@ -1,11 +1,16 @@
 var proxy = require('express-http-proxy');
 
 function addRoutes(app, peliasConfig) {
+  var sendToLegacy;
+
   if (!peliasConfig.hasOwnProperty('legacyUrl')) {
-    return;
+    sendToLegacy = function doNothing(req, res, next) {
+      next(new Error('Invalid path, no legacy proxy specified'));
+    };
+  }
+  else {
+    sendToLegacy = proxy(peliasConfig.legacyUrl);
   }
-
-  var sendToLegacy = proxy(peliasConfig.legacyUrl);
 
   // api root
   app.get( '/', sendToLegacy );

routes/v1.js

@@ -1,4 +1,5 @@
-var reverseQuery = require('./query/reverse');
+var Router = require('express').Router;
+var reverseQuery = require('../query/reverse');
 
 /** ----------------------- sanitisers ----------------------- **/
 var sanitisers = {
@@ -18,9 +19,9 @@ var controllers     = {
 /** ----------------------- controllers ----------------------- **/
 
 var postProc = {
-  renamePlacenames: require('./middleware/renamePlacenames'),
+  renamePlacenames: require('../middleware/renamePlacenames'),
-  geocodeJSON: require('./middleware/geocodeJSON'),
+  geocodeJSON: require('../middleware/geocodeJSON'),
-  sendJSON: require('./middleware/sendJSON')
+  sendJSON: require('../middleware/sendJSON')
 };
 
 /**