WayCostsFromRouteCostsPopulator: Handle missing route costs

If a `Route#cost` is missing the method shouldn't fail. Instead, it
should just pass the `WayCost` along without distance & time cost
values. This way we end up with a list of all `WayCost`s for all stop
areas, even the new ones that haven't been run through the TomTom
calculator yet.

Refs #6097

2 files changed, 43 insertions, 2 deletions

diff --git a/lib/way_costs_from_route_costs_populator.rb b/lib/way_costs_from_route_costs_populator.rb
index 618e80366..e179df11f 100644
--- a/lib/way_costs_from_route_costs_populator.rb
+++ b/lib/way_costs_from_route_costs_populator.rb
@@ -8,8 +8,10 @@ class WayCostsFromRouteCostsPopulator
     @way_costs.map do |way_cost|
       route_cost = @route_costs[way_cost.id]
 
-      way_cost.distance = route_cost['distance']
-      way_cost.time = route_cost['time']
+      if route_cost
+        way_cost.distance = route_cost['distance']
+        way_cost.time = route_cost['time']
+      end
 
       way_cost
     end
diff --git a/spec/lib/way_costs_from_route_costs_populator_spec.rb b/spec/lib/way_costs_from_route_costs_populator_spec.rb
index b07988f38..eb9096c2c 100644
--- a/spec/lib/way_costs_from_route_costs_populator_spec.rb
+++ b/spec/lib/way_costs_from_route_costs_populator_spec.rb
@@ -44,5 +44,44 @@ RSpec.describe WayCostsFromRouteCostsPopulator do
         )
       ])
     end
+
+    it "doesn't fail when `route_costs` doesn't include a WayCost" do
+      way_costs = [
+        WayCost.new(
+          departure: Geokit::LatLng.new(48.85086, 2.36143),
+          arrival: Geokit::LatLng.new(47.91231, 1.87606),
+          id: '1-2'
+        ),
+        WayCost.new(
+          departure: Geokit::LatLng.new(47.91231, 1.87606),
+          arrival: Geokit::LatLng.new(52.50867, 13.42879),
+          id: '2-3'
+        )
+      ]
+
+      route_costs = {
+        '1-2' => {
+          'distance' => 1234,
+          'time' => 99
+        }
+      }
+
+      WayCostsFromRouteCostsPopulator.new(way_costs, route_costs).populate!
+
+      expect(way_costs).to eq([
+        WayCost.new(
+          departure: Geokit::LatLng.new(48.85086, 2.36143),
+          arrival: Geokit::LatLng.new(47.91231, 1.87606),
+          distance: 1234,
+          time: 99,
+          id: '1-2'
+        ),
+        WayCost.new(
+          departure: Geokit::LatLng.new(47.91231, 1.87606),
+          arrival: Geokit::LatLng.new(52.50867, 13.42879),
+          id: '2-3'
+        )
+      ])
+    end
   end
 end