+ ##
+ # when a relation's tag is modified then it should put the bounding
+ # box of all its members into the changeset.
+ def test_tag_modify_bounding_box
+ # in current fixtures, relation 5 contains nodes 3 and 5 (node 3
+ # indirectly via way 3), so the bbox should be [3,3,5,5].
+ check_changeset_modify(BoundingBox.new(3,3,5,5)) do |changeset_id|
+ # add a tag to an existing relation
+ relation_xml = current_relations(:visible_relation).to_xml
+ relation_element = relation_xml.find("//osm/relation").first
+ new_tag = XML::Node.new("tag")
+ new_tag['k'] = "some_new_tag"
+ new_tag['v'] = "some_new_value"
+ relation_element << new_tag
+
+ # update changeset ID to point to new changeset
+ update_changeset(relation_xml, changeset_id)
+
+ # upload the change
+ content relation_xml
+ put :update, :id => current_relations(:visible_relation).id
+ assert_response :success, "can't update relation for tag/bbox test"
+ end
+ end
+
+ ##
+ # add a member to a relation and check the bounding box is only that
+ # element.
+ def test_add_member_bounding_box
+ relation_id = current_relations(:visible_relation).id
+
+ [current_nodes(:used_node_1),
+ current_nodes(:used_node_2),
+ current_ways(:used_way),
+ current_ways(:way_with_versions)
+ ].each_with_index do |element, version|
+ bbox = element.bbox.to_unscaled
+ check_changeset_modify(bbox) do |changeset_id|
+ relation_xml = Relation.find(relation_id).to_xml
+ relation_element = relation_xml.find("//osm/relation").first
+ new_member = XML::Node.new("member")
+ new_member['ref'] = element.id.to_s
+ new_member['type'] = element.class.to_s.downcase
+ new_member['role'] = "some_role"
+ relation_element << new_member
+
+ # update changeset ID to point to new changeset
+ update_changeset(relation_xml, changeset_id)
+
+ # upload the change
+ content relation_xml
+ put :update, :id => current_relations(:visible_relation).id
+ assert_response :success, "can't update relation for add #{element.class}/bbox test: #{@response.body}"
+
+ # get it back and check the ordering
+ get :read, :id => relation_id
+ assert_response :success, "can't read back the relation: #{@response.body}"
+ check_ordering(relation_xml, @response.body)
+ end
+ end
+ end
+
+ ##
+ # remove a member from a relation and check the bounding box is
+ # only that element.
+ def test_remove_member_bounding_box
+ check_changeset_modify(BoundingBox.new(5,5,5,5)) do |changeset_id|
+ # remove node 5 (5,5) from an existing relation
+ relation_xml = current_relations(:visible_relation).to_xml
+ relation_xml.
+ find("//osm/relation/member[@type='node'][@ref='5']").
+ first.remove!
+
+ # update changeset ID to point to new changeset
+ update_changeset(relation_xml, changeset_id)
+
+ # upload the change
+ content relation_xml
+ put :update, :id => current_relations(:visible_relation).id
+ assert_response :success, "can't update relation for remove node/bbox test"
+ end
+ end
+
+ ##
+ # check that relations are ordered
+ def test_relation_member_ordering
+ basic_authorization(users(:public_user).email, "test")
+
+ doc_str = <<OSM
+<osm>
+ <relation changeset='4'>
+ <member ref='1' type='node' role='first'/>
+ <member ref='3' type='node' role='second'/>
+ <member ref='1' type='way' role='third'/>
+ <member ref='3' type='way' role='fourth'/>
+ </relation>
+</osm>
+OSM
+ doc = XML::Parser.string(doc_str).parse
+
+ content doc
+ put :create
+ assert_response :success, "can't create a relation: #{@response.body}"
+ relation_id = @response.body.to_i
+
+ # get it back and check the ordering
+ get :read, :id => relation_id
+ assert_response :success, "can't read back the relation: #{@response.body}"
+ check_ordering(doc, @response.body)
+
+ # insert a member at the front
+ new_member = XML::Node.new "member"
+ new_member['ref'] = 5.to_s
+ new_member['type'] = 'node'
+ new_member['role'] = 'new first'
+ doc.find("//osm/relation").first.child.prev = new_member
+ # update the version, should be 1?
+ doc.find("//osm/relation").first['id'] = relation_id.to_s
+ doc.find("//osm/relation").first['version'] = 1.to_s
+
+ # upload the next version of the relation
+ content doc
+ put :update, :id => relation_id
+ assert_response :success, "can't update relation: #{@response.body}"
+ new_version = @response.body.to_i
+
+ # get it back again and check the ordering again
+ get :read, :id => relation_id
+ assert_response :success, "can't read back the relation: #{@response.body}"
+ check_ordering(doc, @response.body)
+
+ # check the ordering in the history tables:
+ with_controller(OldRelationController.new) do
+ get :version, :id => relation_id, :version => 2
+ assert_response :success, "can't read back version 2 of the relation #{relation_id}"
+ check_ordering(doc, @response.body)
+ end
+ end
+
+ ##
+ # check that relations can contain duplicate members
+ def test_relation_member_duplicates
+ doc_str = <<OSM
+<osm>
+ <relation changeset='4'>
+ <member ref='1' type='node' role='forward'/>
+ <member ref='3' type='node' role='forward'/>
+ <member ref='1' type='node' role='forward'/>
+ <member ref='3' type='node' role='forward'/>
+ </relation>
+</osm>
+OSM
+ doc = XML::Parser.string(doc_str).parse
+
+ ## First try with the private user
+ basic_authorization(users(:normal_user).email, "test");
+
+ content doc
+ put :create
+ assert_response :forbidden
+
+ ## Now try with the public user
+ basic_authorization(users(:public_user).email, "test");
+
+ content doc
+ put :create
+ assert_response :success, "can't create a relation: #{@response.body}"
+ relation_id = @response.body.to_i
+
+ # get it back and check the ordering
+ get :read, :id => relation_id
+ assert_response :success, "can't read back the relation: #{relation_id}"
+ check_ordering(doc, @response.body)
+ end
+
+ ##
+ # test that the ordering of elements in the history is the same as in current.
+ def test_history_ordering
+ doc_str = <<OSM
+<osm>
+ <relation changeset='4'>
+ <member ref='1' type='node' role='forward'/>
+ <member ref='5' type='node' role='forward'/>
+ <member ref='4' type='node' role='forward'/>
+ <member ref='3' type='node' role='forward'/>
+ </relation>
+</osm>
+OSM
+ doc = XML::Parser.string(doc_str).parse
+ basic_authorization(users(:public_user).email, "test");
+
+ content doc
+ put :create
+ assert_response :success, "can't create a relation: #{@response.body}"
+ relation_id = @response.body.to_i
+
+ # check the ordering in the current tables:
+ get :read, :id => relation_id
+ assert_response :success, "can't read back the relation: #{@response.body}"
+ check_ordering(doc, @response.body)
+
+ # check the ordering in the history tables:
+ with_controller(OldRelationController.new) do
+ get :version, :id => relation_id, :version => 1
+ assert_response :success, "can't read back version 1 of the relation: #{@response.body}"
+ check_ordering(doc, @response.body)
+ end
+ end
+
+ # ============================================================
+ # utility functions
+ # ============================================================
+
+ ##
+ # checks that the XML document and the string arguments have
+ # members in the same order.
+ def check_ordering(doc, xml)
+ new_doc = XML::Parser.string(xml).parse
+
+ doc_members = doc.find("//osm/relation/member").collect do |m|
+ [m['ref'].to_i, m['type'].to_sym, m['role']]
+ end
+
+ new_members = new_doc.find("//osm/relation/member").collect do |m|
+ [m['ref'].to_i, m['type'].to_sym, m['role']]
+ end
+
+ doc_members.zip(new_members).each do |d, n|
+ assert_equal d, n, "members are not equal - ordering is wrong? (#{doc}, #{xml})"
+ end
+ end
+
+ ##
+ # create a changeset and yield to the caller to set it up, then assert
+ # that the changeset bounding box is +bbox+.
+ def check_changeset_modify(bbox)
+ ## First test with the private user to check that you get a forbidden
+ basic_authorization(users(:normal_user).email, "test");
+
+ # create a new changeset for this operation, so we are assured
+ # that the bounding box will be newly-generated.
+ changeset_id = with_controller(ChangesetController.new) do
+ content "<osm><changeset/></osm>"
+ put :create
+ assert_response :forbidden, "shouldn't be able to create changeset for modify test, as should get forbidden"
+ end
+
+
+ ## Now do the whole thing with the public user
+ basic_authorization(users(:public_user).email, "test")
+
+ # create a new changeset for this operation, so we are assured
+ # that the bounding box will be newly-generated.
+ changeset_id = with_controller(ChangesetController.new) do
+ content "<osm><changeset/></osm>"
+ put :create
+ assert_response :success, "couldn't create changeset for modify test"
+ @response.body.to_i
+ end
+
+ # go back to the block to do the actual modifies
+ yield changeset_id
+
+ # now download the changeset to check its bounding box
+ with_controller(ChangesetController.new) do
+ get :read, :id => changeset_id
+ assert_response :success, "can't re-read changeset for modify test"
+ assert_select "osm>changeset", 1, "Changeset element doesn't exist in #{@response.body}"
+ assert_select "osm>changeset[id=#{changeset_id}]", 1, "Changeset id=#{changeset_id} doesn't exist in #{@response.body}"
+ assert_select "osm>changeset[min_lon=#{bbox.min_lon}]", 1, "Changeset min_lon wrong in #{@response.body}"
+ assert_select "osm>changeset[min_lat=#{bbox.min_lat}]", 1, "Changeset min_lat wrong in #{@response.body}"
+ assert_select "osm>changeset[max_lon=#{bbox.max_lon}]", 1, "Changeset max_lon wrong in #{@response.body}"
+ assert_select "osm>changeset[max_lat=#{bbox.max_lat}]", 1, "Changeset max_lat wrong in #{@response.body}"
+ end
+ end
+
+ ##
+ # yields the relation with the given +id+ (and optional +version+
+ # to read from the history tables) into the block. the parsed XML
+ # doc is returned.
+ def with_relation(id, ver = nil)
+ if ver.nil?
+ get :read, :id => id
+ else
+ with_controller(OldRelationController.new) do
+ get :version, :id => id, :version => ver
+ end
+ end
+ assert_response :success
+ yield xml_parse(@response.body)
+ end
+
+ ##
+ # updates the relation (XML) +rel+ and
+ # yields the new version of that relation into the block.
+ # the parsed XML doc is retured.
+ def with_update(rel)
+ rel_id = rel.find("//osm/relation").first["id"].to_i
+ content rel
+ put :update, :id => rel_id
+ assert_response :success, "can't update relation: #{@response.body}"
+ version = @response.body.to_i
+
+ # now get the new version
+ get :read, :id => rel_id
+ assert_response :success
+ new_rel = xml_parse(@response.body)
+
+ yield new_rel
+
+ return version
+ end
+
+ ##
+ # updates the relation (XML) +rel+ via the diff-upload API and
+ # yields the new version of that relation into the block.
+ # the parsed XML doc is retured.
+ def with_update_diff(rel)
+ rel_id = rel.find("//osm/relation").first["id"].to_i
+ cs_id = rel.find("//osm/relation").first['changeset'].to_i
+ version = nil
+
+ with_controller(ChangesetController.new) do
+ doc = OSM::API.new.get_xml_doc
+ change = XML::Node.new 'osmChange'
+ doc.root = change
+ modify = XML::Node.new 'modify'
+ change << modify
+ modify << doc.import(rel.find("//osm/relation").first)
+
+ content doc.to_s
+ post :upload, :id => cs_id
+ assert_response :success, "can't upload diff relation: #{@response.body}"
+ version = xml_parse(@response.body).find("//diffResult/relation").first["new_version"].to_i
+ end
+
+ # now get the new version
+ get :read, :id => rel_id
+ assert_response :success
+ new_rel = xml_parse(@response.body)
+
+ yield new_rel
+
+ return version
+ end
+
+ ##
+ # returns a k->v hash of tags from an xml doc
+ def get_tags_as_hash(a)
+ a.find("//osm/relation/tag").inject({}) do |h,v|
+ h[v['k']] = v['v']
+ h
+ end
+ end
+
+ ##
+ # assert that all tags on relation documents +a+ and +b+
+ # are equal
+ def assert_tags_equal(a, b)
+ # turn the XML doc into tags hashes
+ a_tags = get_tags_as_hash(a)
+ b_tags = get_tags_as_hash(b)
+
+ assert_equal a_tags.keys, b_tags.keys, "Tag keys should be identical."
+ a_tags.each do |k, v|
+ assert_equal v, b_tags[k],
+ "Tags which were not altered should be the same. " +
+ "#{a_tags.inspect} != #{b_tags.inspect}"
+ 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/relation").first[name] = value.to_s
+ return xml
+ end
+
+ ##
+ # parse some xml
+ def xml_parse(xml)
+ parser = XML::Parser.string(xml)
+ parser.parse
+ end