+ ##
+ # test that a conditional delete of an in use object works.
+ def test_upload_delete_if_unused
+ basic_authorization users(:public_user).email, "test"
+
+ diff = XML::Document.new
+ diff.root = XML::Node.new "osmChange"
+ delete = XML::Node.new "delete"
+ diff.root << delete
+ delete["if-unused"] = ""
+ delete << current_relations(:public_used_relation).to_xml_node
+ delete << current_ways(:used_way).to_xml_node
+ delete << current_nodes(:node_used_by_relationship).to_xml_node
+
+ # upload it
+ content diff
+ post :upload, :id => 2
+ assert_response :success,
+ "can't do a conditional delete of in use objects: #{@response.body}"
+
+ # check the returned payload
+ assert_select "diffResult[version=#{API_VERSION}][generator=\"OpenStreetMap server\"]", 1
+ assert_select "diffResult>node", 1
+ assert_select "diffresult>way", 1
+ assert_select "diffResult>relation", 1
+
+ # parse the response
+ doc = XML::Parser.string(@response.body).parse
+
+ # check the old IDs are all present and what we expect
+ assert_equal current_nodes(:node_used_by_relationship).id, doc.find("//diffResult/node").first["old_id"].to_i
+ assert_equal current_ways(:used_way).id, doc.find("//diffResult/way").first["old_id"].to_i
+ assert_equal current_relations(:public_used_relation).id, doc.find("//diffResult/relation").first["old_id"].to_i
+
+ # check the new IDs are all present and unchanged
+ assert_equal current_nodes(:node_used_by_relationship).id, doc.find("//diffResult/node").first["new_id"].to_i
+ assert_equal current_ways(:used_way).id, doc.find("//diffResult/way").first["new_id"].to_i
+ assert_equal current_relations(:public_used_relation).id, doc.find("//diffResult/relation").first["new_id"].to_i
+
+ # check the new versions are all present and unchanged
+ assert_equal current_nodes(:node_used_by_relationship).version, doc.find("//diffResult/node").first["new_version"].to_i
+ assert_equal current_ways(:used_way).version, doc.find("//diffResult/way").first["new_version"].to_i
+ assert_equal current_relations(:public_used_relation).version, doc.find("//diffResult/relation").first["new_version"].to_i
+
+ # check that nothing was, in fact, deleted
+ assert_equal true, Node.find(current_nodes(:node_used_by_relationship).id).visible
+ assert_equal true, Way.find(current_ways(:used_way).id).visible
+ assert_equal true, Relation.find(current_relations(:public_used_relation).id).visible
+ end
+