Add way version pages

test/controllers/old_ways_controller_test.rb

@@ -0,0 +1,40 @@
+require "test_helper"
+
+class OldWaysControllerTest < ActionDispatch::IntegrationTest
+  def test_routes
+    assert_routing(
+      { :path => "/way/1/history/2", :method => :get },
+      { :controller => "old_ways", :action => "show", :id => "1", :version => "2" }
+    )
+  end
+
+  def test_visible
+    way = create(:way, :with_history)
+    get old_way_path(way, 1)
+    assert_response :success
+    assert_template "old_ways/show"
+    assert_template :layout => "map"
+  end
+
+  def test_visible_with_shared_nodes
+    node = create(:node, :with_history)
+    way = create(:way, :with_history)
+    create(:way_node, :way => way, :node => node)
+    create(:old_way_node, :old_way => way.old_ways.first, :node => node)
+    sharing_way = create(:way, :with_history)
+    create(:way_node, :way => sharing_way, :node => node)
+    create(:old_way_node, :old_way => sharing_way.old_ways.first, :node => node)
+    get old_way_path(way, 1)
+    assert_response :success
+    assert_template "old_ways/show"
+    assert_template :layout => "map"
+  end
+
+  def test_not_found
+    get old_way_path(0, 0)
+    assert_response :not_found
+    assert_template "old_ways/not_found"
+    assert_template :layout => "map"
+    assert_select "#sidebar_content", /way #0 version 0 could not be found/
+  end
+end