+ # ------------------------------------------------------------
+ # test tags handling
+ # ------------------------------------------------------------
+
+ ##
+ # Try adding a duplicate of an existing tag to a way
+ def test_add_duplicate_tags
+ # setup auth
+ basic_authorization(users(:normal_user).email, "test")
+
+ # add an identical tag to the way
+ tag_xml = XML::Node.new("tag")
+ tag_xml['k'] = current_way_tags(:t1).k
+ tag_xml['v'] = current_way_tags(:t1).v
+
+ # add the tag into the existing xml
+ way_xml = current_ways(:visible_way).to_xml
+ way_xml.find("//osm/way").first << tag_xml
+
+ # try and upload it
+ content way_xml
+ put :update, :id => current_ways(:visible_way).id
+ assert_response :bad_request,
+ "adding a duplicate tag to a way should fail with 'bad request'"
+ end
+
+ ##
+ # Try adding a new duplicate tags to a way
+ def test_new_duplicate_tags
+ # setup auth
+ basic_authorization(users(:normal_user).email, "test")
+
+ # create duplicate tag
+ tag_xml = XML::Node.new("tag")
+ tag_xml['k'] = "i_am_a_duplicate"
+ tag_xml['v'] = "foobar"
+
+ # add the tag into the existing xml
+ way_xml = current_ways(:visible_way).to_xml
+
+ # add two copies of the tag
+ way_xml.find("//osm/way").first << tag_xml.copy(true) << tag_xml
+
+ # try and upload it
+ content way_xml
+ put :update, :id => current_ways(:visible_way).id
+ assert_response :bad_request,
+ "adding new duplicate tags to a way should fail with 'bad request'"
+ end
+
+ ##
+ # Try adding a new duplicate tags to a way.
+ # But be a bit subtle - use unicode decoding ambiguities to use different
+ # binary strings which have the same decoding.
+ #
+ # NOTE: I'm not sure this test is working correctly, as a lot of the tag
+ # keys seem to come out as "addr��housenumber". It might be something to
+ # do with Ruby's unicode handling...?
+ def test_invalid_duplicate_tags
+ # setup auth
+ basic_authorization(users(:normal_user).email, "test")
+
+ # add the tag into the existing xml
+ way_str = "<osm><way changeset='1'>"
+ way_str << "<tag k='addr:housenumber' v='1'/>"
+
+ # all of these keys have the same unicode decoding, but are binary
+ # not equal. libxml should make these identical as it decodes the
+ # XML document...
+ [ "addr\xc0\xbahousenumber",
+ "addr\xe0\x80\xbahousenumber",
+ "addr\xf0\x80\x80\xbahousenumber" ].each do |key|
+ # copy the XML doc to add the tags
+ way_str_copy = way_str.clone
+
+ # add all new tags to the way
+ way_str_copy << "<tag k='" << key << "' v='1'/>"
+ way_str_copy << "</way></osm>";
+
+ # try and upload it
+ content way_str_copy
+ put :create
+ assert_response :bad_request,
+ "adding new duplicate tags to a way should fail with 'bad request'"
+ end
+ end
+
+ ##
+ # test that a call to ways_for_node returns all ways that contain the node
+ # and none that don't.
+ def test_ways_for_node
+ # in current fixtures ways 1 and 3 all use node 3. ways 2 and 4
+ # *used* to use it but doesn't.
+ get :ways_for_node, :id => current_nodes(:used_node_1).id
+ assert_response :success
+ ways_xml = XML::Parser.string(@response.body).parse
+ assert_not_nil ways_xml, "failed to parse ways_for_node response"
+
+ # check that the set of IDs match expectations
+ expected_way_ids = [ current_ways(:visible_way).id,
+ current_ways(:used_way).id
+ ]
+ found_way_ids = ways_xml.find("//osm/way").collect { |w| w["id"].to_i }
+ assert_equal expected_way_ids, found_way_ids,
+ "expected ways for node #{current_nodes(:used_node_1).id} did not match found"
+
+ # check the full ways to ensure we're not missing anything
+ expected_way_ids.each do |id|
+ way_xml = ways_xml.find("//osm/way[@id=#{id}]").first
+ assert_ways_are_equal(Way.find(id),
+ Way.from_xml_node(way_xml))
+ end
+ end
+
+ ##
+ # update the changeset_id of a node element
+ def update_changeset(xml, changeset_id)
+ xml_attr_rewrite(xml, 'changeset', changeset_id)
+ end
+
+ ##
+ # update an attribute in the node element
+ def xml_attr_rewrite(xml, name, value)
+ xml.find("//osm/way").first[name] = value.to_s
+ return xml
+ end