+ ##
+ # test maximum rate limit
+ def test_maximum_rate_limit
+ # create a user
+ user = create(:user)
+
+ # create a changeset to establish our initial edit time
+ changeset = create(:changeset, :user => user,
+ :created_at => Time.now.utc - 28.days)
+
+ # create changeset to put us near the maximum rate limit
+ total_changes = Settings.max_changes_per_hour - 1
+ while total_changes.positive?
+ changes = [total_changes, Changeset::MAX_ELEMENTS].min
+ changeset = create(:changeset, :user => user,
+ :created_at => Time.now.utc - 5.minutes,
+ :num_changes => changes)
+ total_changes -= changes
+ end
+
+ # create authentication header
+ auth_header = bearer_authorization_header user
+
+ # try creating a node
+ xml = "<osm><node lat='0' lon='0' changeset='#{changeset.id}'/></osm>"
+ put node_create_path, :params => xml, :headers => auth_header
+ assert_response :success, "node create did not return success status"
+
+ # get the id of the node we created
+ nodeid = @response.body
+
+ # try updating the node, which should be rate limited
+ xml = "<osm><node id='#{nodeid}' version='1' lat='1' lon='1' changeset='#{changeset.id}'/></osm>"
+ put api_node_path(nodeid), :params => xml, :headers => auth_header
+ assert_response :too_many_requests, "node update did not hit rate limit"
+
+ # try deleting the node, which should be rate limited
+ xml = "<osm><node id='#{nodeid}' version='2' lat='1' lon='1' changeset='#{changeset.id}'/></osm>"
+ delete api_node_path(nodeid), :params => xml, :headers => auth_header
+ assert_response :too_many_requests, "node delete did not hit rate limit"
+
+ # try creating a node, which should be rate limited
+ xml = "<osm><node lat='0' lon='0' changeset='#{changeset.id}'/></osm>"
+ put node_create_path, :params => xml, :headers => auth_header
+ assert_response :too_many_requests, "node create did not hit rate limit"
+ end
+
+ private
+