From ce85f5ff1ba2336b144d059343786f7aec0575f3 Mon Sep 17 00:00:00 2001
From: Zog
Date: Wed, 11 Apr 2018 08:43:42 +0200
Subject: Add a sentinel in dev mode to help capture the "double positions" bug

---
 app/models/chouette/route.rb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/app/models/chouette/route.rb b/app/models/chouette/route.rb
index 9c7a3e6d9..14bfa47b6 100644
--- a/app/models/chouette/route.rb
+++ b/app/models/chouette/route.rb
@@ -7,6 +7,15 @@ module Chouette
     include ObjectidSupport
     extend Enumerize
 
+    if Rails.env.development?
+      after_commit do
+        positions = stop_points.pluck(:position)
+        if positions.size != positions.uniq.size
+          raise "DUPLICATED stop_points positions: #{positions}"
+        end
+      end
+    end
+
     enumerize :direction, in: %i(straight_forward backward clockwise counter_clockwise north north_west west south_west south south_east east north_east)
     enumerize :wayback, in: %i(outbound inbound), default: :outbound
 
@@ -69,7 +78,7 @@ module Chouette
     validates_presence_of :line
     validates :wayback, inclusion: { in: self.wayback.values }
     after_save :calculate_costs!, if: ->() { TomTom.enabled? }
-    
+
     def duplicate opposite=false
       overrides = {
         'opposite_route_id' => nil,
-- 
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