X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/16a641ac2a663ea926566a5cca2575ee295e8555..098e757cf28c2f931e7234b68197115f681a2ce5:/test/functional/relation_controller_test.rb diff --git a/test/functional/relation_controller_test.rb b/test/functional/relation_controller_test.rb index 8f8b72770..10762f48d 100644 --- a/test/functional/relation_controller_test.rb +++ b/test/functional/relation_controller_test.rb @@ -1,28 +1,8 @@ require File.dirname(__FILE__) + '/../test_helper' require 'relation_controller' -# Re-raise errors caught by the controller. -class RelationController; def rescue_action(e) raise e end; end - -class RelationControllerTest < Test::Unit::TestCase +class RelationControllerTest < ActionController::TestCase api_fixtures - fixtures :relations, :current_relations, :relation_members, :current_relation_members, :relation_tags, :current_relation_tags - set_fixture_class :current_relations => :Relation - set_fixture_class :relations => :OldRelation - - def setup - @controller = RelationController.new - @request = ActionController::TestRequest.new - @response = ActionController::TestResponse.new - end - - def basic_authorization(user, pass) - @request.env["HTTP_AUTHORIZATION"] = "Basic %s" % Base64.encode64("#{user}:#{pass}") - end - - def content(c) - @request.env["RAW_POST_DATA"] = c - end # ------------------------------------- # Test reading relations. @@ -40,32 +20,49 @@ class RelationControllerTest < Test::Unit::TestCase # check chat a non-existent relation is not returned get :read, :id => 0 assert_response :not_found + end - # check the "relations for node" mode - get :relations_for_node, :id => current_nodes(:node_used_by_relationship).id - assert_response :success - # FIXME check whether this contains the stuff we want! - if $VERBOSE - print @response.body - end + ## + # check that all relations containing a particular node, and no extra + # relations, are returned from the relations_for_node call. + def test_relations_for_node + check_relations_for_element(:relations_for_node, "node", + current_nodes(:node_used_by_relationship).id, + [ :visible_relation, :used_relation ]) + end - # check the "relations for way" mode - get :relations_for_way, :id => current_ways(:used_way).id - assert_response :success - # FIXME check whether this contains the stuff we want! - if $VERBOSE - print @response.body - end + def test_relations_for_way + check_relations_for_element(:relations_for_way, "way", + current_ways(:used_way).id, + [ :visible_relation ]) + end + def test_relations_for_relation + check_relations_for_element(:relations_for_relation, "relation", + current_relations(:used_relation).id, + [ :visible_relation ]) + end + def check_relations_for_element(method, type, id, expected_relations) # check the "relations for relation" mode - get :relations_for_relation, :id => current_relations(:used_relation).id + get method, :id => id assert_response :success - # FIXME check whether this contains the stuff we want! - if $VERBOSE - print @response.body + + # count one osm element + assert_select "osm[version=#{API_VERSION}][generator=\"OpenStreetMap server\"]", 1 + + # we should have only the expected number of relations + assert_select "osm>relation", expected_relations.size + + # and each of them should contain the node we originally searched for + expected_relations.each do |r| + relation_id = current_relations(r).id + assert_select "osm>relation#?", relation_id + assert_select "osm>relation#?>member[type=\"#{type}\"][ref=#{id}]", relation_id end + end + def test_full # check the "full" mode get :full, :id => current_relations(:visible_relation).id assert_response :success @@ -80,10 +77,65 @@ class RelationControllerTest < Test::Unit::TestCase # ------------------------------------- def test_create - basic_authorization "test@openstreetmap.org", "test" + basic_authorization users(:normal_user).email, "test" + + # put the relation in a dummy fixture changset + changeset_id = changesets(:normal_user_first_change).id # create an relation without members - content "" + content "" + put :create + # hope for forbidden, due to user + assert_response :forbidden, + "relation upload should have failed with forbidden" + + ### + # create an relation with a node as member + # This time try with a role attribute in the relation + nid = current_nodes(:used_node_1).id + content "" + + "" + + "" + put :create + # hope for forbidden due to user + assert_response :forbidden, + "relation upload did not return forbidden status" + + ### + # create an relation with a node as member, this time test that we don't + # need a role attribute to be included + nid = current_nodes(:used_node_1).id + content "" + + ""+ + "" + put :create + # hope for forbidden due to user + assert_response :forbidden, + "relation upload did not return forbidden status" + + ### + # create an relation with a way and a node as members + nid = current_nodes(:used_node_1).id + wid = current_ways(:used_way).id + content "" + + "" + + "" + + "" + put :create + # hope for forbidden, due to user + assert_response :forbidden, + "relation upload did not return success status" + + + + ## Now try with the public user + basic_authorization users(:public_user).email, "test" + + # put the relation in a dummy fixture changset + changeset_id = changesets(:public_user_first_change).id + + # create an relation without members + content "" put :create # hope for success assert_response :success, @@ -98,7 +150,9 @@ class RelationControllerTest < Test::Unit::TestCase "saved relation contains members but should not" assert_equal checkrelation.tags.length, 1, "saved relation does not contain exactly one tag" - assert_equal users(:normal_user).id, checkrelation.user_id, + assert_equal changeset_id, checkrelation.changeset.id, + "saved relation does not belong in the changeset it was assigned to" + assert_equal users(:public_user).id, checkrelation.changeset.user_id, "saved relation does not belong to user that created it" assert_equal true, checkrelation.visible, "saved relation is not visible" @@ -107,10 +161,13 @@ class RelationControllerTest < Test::Unit::TestCase assert_response :success + ### # create an relation with a node as member + # This time try with a role attribute in the relation nid = current_nodes(:used_node_1).id - content "" + - "" + content "" + + "" + + "" put :create # hope for success assert_response :success, @@ -125,7 +182,42 @@ class RelationControllerTest < Test::Unit::TestCase "saved relation does not contain exactly one member" assert_equal checkrelation.tags.length, 1, "saved relation does not contain exactly one tag" - assert_equal users(:normal_user).id, checkrelation.user_id, + assert_equal changeset_id, checkrelation.changeset.id, + "saved relation does not belong in the changeset it was assigned to" + assert_equal users(:public_user).id, checkrelation.changeset.user_id, + "saved relation does not belong to user that created it" + assert_equal true, checkrelation.visible, + "saved relation is not visible" + # ok the relation is there but can we also retrieve it? + + get :read, :id => relationid + assert_response :success + + + ### + # create an relation with a node as member, this time test that we don't + # need a role attribute to be included + nid = current_nodes(:used_node_1).id + content "" + + ""+ + "" + put :create + # hope for success + assert_response :success, + "relation upload did not return success status" + # read id of created relation and search for it + relationid = @response.body + checkrelation = Relation.find(relationid) + assert_not_nil checkrelation, + "uploaded relation not found in data base after upload" + # compare values + assert_equal checkrelation.members.length, 1, + "saved relation does not contain exactly one member" + assert_equal checkrelation.tags.length, 1, + "saved relation does not contain exactly one tag" + assert_equal changeset_id, checkrelation.changeset.id, + "saved relation does not belong in the changeset it was assigned to" + assert_equal users(:public_user).id, checkrelation.changeset.user_id, "saved relation does not belong to user that created it" assert_equal true, checkrelation.visible, "saved relation is not visible" @@ -134,12 +226,14 @@ class RelationControllerTest < Test::Unit::TestCase get :read, :id => relationid assert_response :success + ### # create an relation with a way and a node as members nid = current_nodes(:used_node_1).id wid = current_ways(:used_way).id - content "" + - "" + - "" + content "" + + "" + + "" + + "" put :create # hope for success assert_response :success, @@ -154,7 +248,9 @@ class RelationControllerTest < Test::Unit::TestCase "saved relation does not have exactly two members" assert_equal checkrelation.tags.length, 1, "saved relation does not contain exactly one tag" - assert_equal users(:normal_user).id, checkrelation.user_id, + assert_equal changeset_id, checkrelation.changeset.id, + "saved relation does not belong in the changeset it was assigned to" + assert_equal users(:public_user).id, checkrelation.changeset.user_id, "saved relation does not belong to user that created it" assert_equal true, checkrelation.visible, "saved relation is not visible" @@ -164,46 +260,634 @@ class RelationControllerTest < Test::Unit::TestCase end + # ------------------------------------ + # Test updating relations + # ------------------------------------ + + ## + # test that, when tags are updated on a relation, the correct things + # happen to the correct tables and the API gives sensible results. + # this is to test a case that gregory marler noticed and posted to + # josm-dev. + ## FIXME Move this to an integration test + def test_update_relation_tags + basic_authorization "test@example.com", "test" + rel_id = current_relations(:multi_tag_relation).id + cs_id = changesets(:public_user_first_change).id + + with_relation(rel_id) do |rel| + # alter one of the tags + tag = rel.find("//osm/relation/tag").first + tag['v'] = 'some changed value' + update_changeset(rel, cs_id) + + # check that the downloaded tags are the same as the uploaded tags... + new_version = with_update(rel) do |new_rel| + assert_tags_equal rel, new_rel + end + + # check the original one in the current_* table again + with_relation(rel_id) { |r| assert_tags_equal rel, r } + + # now check the version in the history + with_relation(rel_id, new_version) { |r| assert_tags_equal rel, r } + end + end + + ## + # test that, when tags are updated on a relation when using the diff + # upload function, the correct things happen to the correct tables + # and the API gives sensible results. this is to test a case that + # gregory marler noticed and posted to josm-dev. + def test_update_relation_tags_via_upload + basic_authorization users(:public_user).email, "test" + rel_id = current_relations(:multi_tag_relation).id + cs_id = changesets(:public_user_first_change).id + + with_relation(rel_id) do |rel| + # alter one of the tags + tag = rel.find("//osm/relation/tag").first + tag['v'] = 'some changed value' + update_changeset(rel, cs_id) + + # check that the downloaded tags are the same as the uploaded tags... + new_version = with_update_diff(rel) do |new_rel| + assert_tags_equal rel, new_rel + end + + # check the original one in the current_* table again + with_relation(rel_id) { |r| assert_tags_equal rel, r } + + # now check the version in the history + with_relation(rel_id, new_version) { |r| assert_tags_equal rel, r } + end + end + # ------------------------------------- # Test creating some invalid relations. # ------------------------------------- def test_create_invalid - basic_authorization "test@openstreetmap.org", "test" + basic_authorization users(:public_user).email, "test" + + # put the relation in a dummy fixture changset + changeset_id = changesets(:public_user_first_change).id # create a relation with non-existing node as member - content "" + content "" + + "" + + "" put :create # expect failure assert_response :precondition_failed, "relation upload with invalid node did not return 'precondition failed'" + assert_equal "Precondition failed: Relation with id cannot be saved due to Node with id 0", @response.body end + # ------------------------------------- + # Test creating a relation, with some invalid XML + # ------------------------------------- + def test_create_invalid_xml + basic_authorization users(:public_user).email, "test" + + # put the relation in a dummy fixture changeset that works + changeset_id = changesets(:public_user_first_change).id + + # create some xml that should return an error + content "" + + "" + + "" + put :create + # expect failure + assert_response :bad_request + assert_match(/Cannot parse valid relation from xml string/, @response.body) + assert_match(/The type is not allowed only, /, @response.body) + end + + # ------------------------------------- # Test deleting relations. # ------------------------------------- def test_delete - return true - - # first try to delete relation without auth + ## First try to delete relation without auth delete :delete, :id => current_relations(:visible_relation).id assert_response :unauthorized + + + ## Then try with the private user, to make sure that you get a forbidden + basic_authorization(users(:normal_user).email, "test") + + # this shouldn't work, as we should need the payload... + delete :delete, :id => current_relations(:visible_relation).id + assert_response :forbidden + + # try to delete without specifying a changeset + content "" + delete :delete, :id => current_relations(:visible_relation).id + assert_response :forbidden + + # 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 :forbidden + + # 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 :forbidden - # now set auth - basic_authorization("test@openstreetmap.org", "test"); + # 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 :forbidden - # this should work + # this should work when we provide the appropriate payload... + content(relations(:visible_relation).to_xml) delete :delete, :id => current_relations(:visible_relation).id + assert_response :forbidden + + # this won't work since the relation is already deleted + content(relations(:invisible_relation).to_xml) + delete :delete, :id => current_relations(:invisible_relation).id + assert_response :forbidden + + # this works now because the relation which was using this one + # has been deleted. + content(relations(:used_relation).to_xml) + delete :delete, :id => current_relations(:used_relation).id + assert_response :forbidden + + # this won't work since the relation never existed + delete :delete, :id => 0 + assert_response :forbidden + + + + ## now set auth for the public user + basic_authorization(users(:public_user).email, "test"); + + # this shouldn't work, as we should need the payload... + delete :delete, :id => current_relations(:visible_relation).id + assert_response :bad_request + + # try to delete without specifying a changeset + content "" + delete :delete, :id => current_relations(:visible_relation).id + assert_response :bad_request + assert_match(/You are missing the required changeset in the relation/, @response.body) + + # 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 a changeset owned by someone else + content(relations(:used_relation).to_xml) + delete :delete, :id => current_relations(:used_relation).id + assert_response :conflict, + "shouldn't be able to delete a relation in a changeset owned by someone else (#{@response.body})" + + # this won't work because the relation in the payload is different to that passed + content(relations(:public_used_relation).to_xml) + delete :delete, :id => current_relations(:used_relation).id + assert_not_equal relations(:public_used_relation).id, current_relations(:used_relation).id + assert_response :bad_request, "shouldn't be able to delete a relation when payload is different to the url" + + # this won't work because the relation is in-use by another relation + content(relations(:public_used_relation).to_xml) + delete :delete, :id => current_relations(:public_used_relation).id + assert_response :precondition_failed, + "shouldn't be able to delete a relation used in a relation (#{@response.body})" + assert_equal "Precondition failed: The relation 5 is used in relation 6.", @response.body + + # this should work when we provide the appropriate payload... + content(relations(:multi_tag_relation).to_xml) + delete :delete, :id => current_relations(:multi_tag_relation).id assert_response :success + # valid delete should return the new version number, which should + # be greater than the old version number + assert @response.body.to_i > current_relations(:visible_relation).version, + "delete request should return a new version number for relation" + # this won't work since the relation is already deleted + content(relations(:invisible_relation).to_xml) delete :delete, :id => current_relations(:invisible_relation).id assert_response :gone + + # Public visible relation needs to be deleted + content(relations(:public_visible_relation).to_xml) + delete :delete, :id => current_relations(:public_visible_relation).id + assert_response :success + + # this works now because the relation which was using this one + # has been deleted. + content(relations(:public_used_relation).to_xml) + delete :delete, :id => current_relations(:public_used_relation).id + assert_response :success, + "should be able to delete a relation used in an old relation (#{@response.body})" # this won't work since the relation never existed delete :delete, :id => 0 assert_response :not_found end + ## + # 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([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.collect { |x| x / SCALE } + 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([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 + 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 + 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 + 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 "" + 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 "" + 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[0].to_f}]", 1, "Changeset min_lon wrong in #{@response.body}" + assert_select "osm>changeset[min_lat=#{bbox[1].to_f}]", 1, "Changeset min_lat wrong in #{@response.body}" + assert_select "osm>changeset[max_lon=#{bbox[2].to_f}]", 1, "Changeset max_lon wrong in #{@response.body}" + assert_select "osm>changeset[max_lat=#{bbox[3].to_f}]", 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 end