Avoid error when distance or time cost is ignored. Refs #6203

2 files changed, 15 insertions, 3 deletions

diff --git a/lib/route_way_cost_unit_converter.rb b/lib/route_way_cost_unit_converter.rb
index 979e92b0c..45edbf538 100644
--- a/lib/route_way_cost_unit_converter.rb
+++ b/lib/route_way_cost_unit_converter.rb
@@ -12,10 +12,14 @@ class RouteWayCostUnitConverter
 
   # Round to 2 decimal places to appease JavaScript validation
   def self.meters_to_kilometers(num)
-    (num / 1000.0).round(2)
+    return 0 unless num
+
+    (num / 1000.0).to_i
   end
 
   def self.seconds_to_minutes(num)
+    return 0 unless num
+
     num / 60
   end
 end
diff --git a/spec/lib/route_way_cost_unit_converter_spec.rb b/spec/lib/route_way_cost_unit_converter_spec.rb
index 624ef5052..3c5e51710 100644
--- a/spec/lib/route_way_cost_unit_converter_spec.rb
+++ b/spec/lib/route_way_cost_unit_converter_spec.rb
@@ -10,6 +10,10 @@ RSpec.describe RouteWayCostUnitConverter do
         '94435-97513' => {
           'distance' => 35919,
           'time' => 6174
+        },
+        '2-3' => {
+          'distance' => nil,
+          'time' => nil
         }
       }
 
@@ -17,12 +21,16 @@ RSpec.describe RouteWayCostUnitConverter do
         RouteWayCostUnitConverter.convert(costs)
       ).to eq({
         '1-2' => {
-          'distance' => 35.22,
+          'distance' => 35,
           'time' => 93
         },
         '94435-97513' => {
-          'distance' => 35.92,
+          'distance' => 35,
           'time' => 102
+        },
+        '2-3' => {
+          'distance' => 0,
+          'time' => 0
         }
       })
     end