Implements Exit Numbers + Names (junction:ref way tag for now)

features/guidance/exit-numbers-names.feature

@@ -0,0 +1,28 @@
+@routing @guidance
+Feature: Exit Numbers and Names
+
+    Background:
+        Given the profile "car"
+        Given a grid size of 10 meters
+
+    Scenario: Exit number on the way after the motorway junction
+        Given the node map
+            """
+            a . . b . c . . d
+                    ` e . . f
+            """
+
+        And the nodes
+            | node | highway           |
+            | b    | motorway_junction |
+
+        And the ways
+            | nodes  | highway       | name     | junction:ref |
+            | abcd   | motorway      | MainRoad |              |
+            | be     | motorway_link | ExitRamp | 3            |
+            | ef     | motorway_link | ExitRamp |              |
+
+       When I route I should get
+            | waypoints | route                      | turns                               | exits |
+            | a,f       | MainRoad,ExitRamp,ExitRamp | depart,off ramp slight right,arrive | ,3,   |
+

features/support/route.js

@@ -155,6 +155,10 @@ module.exports = function () {
         return this.extractInstructionList(instructions, s => s.destinations || '');
     };
 
+    this.exitsList = (instructions) => {
+        return this.extractInstructionList(instructions, s => s.exits || '');
+    };
+
     this.reverseBearing = (bearing) => {
         if (bearing >= 180)
             return bearing - 180.;

features/support/shared_steps.js

@@ -34,7 +34,7 @@ module.exports = function () {
                 var afterRequest = (err, res, body) => {
                     if (err) return cb(err);
                     if (body && body.length) {
-                        let destinations, pronunciations, instructions, refs, bearings, turns, modes, times,
+                        let destinations, exits, pronunciations, instructions, refs, bearings, turns, modes, times,
                             distances, summary, intersections, lanes, locations, annotation, weight_name, weights, approaches;
 
                         let json = JSON.parse(body);
@@ -48,6 +48,7 @@ module.exports = function () {
                             pronunciations = this.pronunciationList(json.routes[0]);
                             refs = this.refList(json.routes[0]);
                             destinations = this.destinationsList(json.routes[0]);
+                            exits = this.exitsList(json.routes[0]);
                             bearings = this.bearingList(json.routes[0]);
                             turns = this.turnList(json.routes[0]);
                             intersections = this.intersectionList(json.routes[0]);
@@ -177,6 +178,7 @@ module.exports = function () {
                         putValue('distances', distances);
                         putValue('pronunciations', pronunciations);
                         putValue('destinations', destinations);
+                        putValue('exits', exits);
                         putValue('weight_name', weight_name);
                         putValue('weights', weights);
                         putValue('weight', weight);

features/testbot/nil.feature

@@ -14,6 +14,7 @@ Feature: Testbot - Check assigning nil values
             result.name = nil
             result.ref = nil
             result.destinations = nil
+            result.exits = nil
             result.pronunciation = nil
             result.turn_lanes_forward = nil
             result.turn_lanes_backward = nil