+require "test_helper"
+
+class WayVersionsTest < ActionDispatch::IntegrationTest
+ ##
+ # check that we can retrieve versions of a way
+ def test_version
+ way = create(:way, :with_history)
+ used_way = create(:way, :with_history)
+ create(:relation_member, :member => used_way)
+ way_with_versions = create(:way, :with_history, :version => 4)
+
+ create(:way_tag, :way => way)
+ create(:way_tag, :way => used_way)
+ create(:way_tag, :way => way_with_versions)
+ propagate_tags(way, way.old_ways.last)
+ propagate_tags(used_way, used_way.old_ways.last)
+ propagate_tags(way_with_versions, way_with_versions.old_ways.last)
+
+ check_current_version(way.id)
+ check_current_version(used_way.id)
+ check_current_version(way_with_versions.id)
+ end
+
+ private
+
+ ##
+ # check that the current version of a way is equivalent to the
+ # version which we're getting from the versions call.
+ def check_current_version(way_id)
+ # get the current version
+ current_way = with_controller(WaysController.new) do
+ get api_way_path(way_id)
+ assert_response :success, "can't get current way #{way_id}"
+ Way.from_xml(@response.body)
+ end
+ assert_not_nil current_way, "getting way #{way_id} returned nil"
+
+ # get the "old" version of the way from the version method
+ get api_way_version_path(way_id, current_way.version)
+ assert_response :success, "can't get old way #{way_id}, v#{current_way.version}"
+ old_way = Way.from_xml(@response.body)
+
+ # check that the ways are identical
+ assert_ways_are_equal current_way, old_way
+ end
+
+ def propagate_tags(way, old_way)
+ way.tags.each do |k, v|
+ create(:old_way_tag, :old_way => old_way, :k => k, :v => v)
+ end
+ end
+end