+ # try to delete without specifying a changeset
+ content "<osm><relation id='#{current_relations(:visible_relation).id}'/></osm>"
+ delete :delete, :id => current_relations(:visible_relation).id
+ assert_response :conflict
+
+ # try to delete with an invalid (closed) changeset
+ content update_changeset(current_relations(:visible_relation).to_xml,
+ changesets(:normal_user_closed_change).id)
+ delete :delete, :id => current_relations(:visible_relation).id
+ assert_response :conflict
+
+ # try to delete with an invalid (non-existent) changeset
+ content update_changeset(current_relations(:visible_relation).to_xml,0)
+ delete :delete, :id => current_relations(:visible_relation).id
+ assert_response :conflict
+
+ # this won't work because the relation is in-use by another relation
+ content(relations(:used_relation).to_xml)
+ delete :delete, :id => current_relations(:used_relation).id
+ assert_response :precondition_failed,
+ "shouldn't be able to delete a relation used in a relation (#{@response.body})"
+