+ # test what happens if a diff upload re-uses placeholder IDs in an
+ # illegal way.
+ def test_upload_placeholder_invalid
+ basic_authorization users(:public_user).email, "test"
+ changeset_id = changesets(:public_user_first_change).id
+
+ diff = <<EOF
+<osmChange>
+ <create>
+ <node id='-1' lon='0' lat='0' changeset='#{changeset_id}' version='1'/>
+ <node id='-1' lon='1' lat='1' changeset='#{changeset_id}' version='1'/>
+ <node id='-1' lon='2' lat='2' changeset='#{changeset_id}' version='2'/>
+ </create>
+</osmChange>
+EOF
+
+ # upload it
+ content diff
+ post :upload, :id => changeset_id
+ assert_response :bad_request,
+ "shouldn't be able to re-use placeholder IDs"
+ end
+
+ ##
+ # test that uploading a way referencing invalid placeholders gives a
+ # proper error, not a 500.
+ def test_upload_placeholder_invalid_way
+ basic_authorization users(:public_user).email, "test"
+ changeset_id = changesets(:public_user_first_change).id
+
+ diff = <<EOF
+<osmChange>
+ <create>
+ <node id="-1" lon="0" lat="0" changeset="#{changeset_id}" version="1"/>
+ <node id="-2" lon="1" lat="1" changeset="#{changeset_id}" version="1"/>
+ <node id="-3" lon="2" lat="2" changeset="#{changeset_id}" version="1"/>
+ <way id="-1" changeset="#{changeset_id}" version="1">
+ <nd ref="-1"/>
+ <nd ref="-2"/>
+ <nd ref="-3"/>
+ <nd ref="-4"/>
+ </way>
+ </create>
+</osmChange>
+EOF
+
+ # upload it
+ content diff
+ post :upload, :id => changeset_id
+ assert_response :bad_request,
+ "shouldn't be able to use invalid placeholder IDs"
+ assert_equal "Placeholder node not found for reference -4 in way -1", @response.body
+
+ # the same again, but this time use an existing way
+ diff = <<EOF
+<osmChange>
+ <create>
+ <node id="-1" lon="0" lat="0" changeset="#{changeset_id}" version="1"/>
+ <node id="-2" lon="1" lat="1" changeset="#{changeset_id}" version="1"/>
+ <node id="-3" lon="2" lat="2" changeset="#{changeset_id}" version="1"/>
+ <way id="1" changeset="#{changeset_id}" version="1">
+ <nd ref="-1"/>
+ <nd ref="-2"/>
+ <nd ref="-3"/>
+ <nd ref="-4"/>
+ </way>
+ </create>
+</osmChange>
+EOF
+
+ # upload it
+ content diff
+ post :upload, :id => changeset_id
+ assert_response :bad_request,
+ "shouldn't be able to use invalid placeholder IDs"
+ assert_equal "Placeholder node not found for reference -4 in way 1", @response.body
+ end
+
+ ##
+ # test that uploading a relation referencing invalid placeholders gives a
+ # proper error, not a 500.
+ def test_upload_placeholder_invalid_relation
+ basic_authorization users(:public_user).email, "test"
+ changeset_id = changesets(:public_user_first_change).id
+
+ diff = <<EOF
+<osmChange>
+ <create>
+ <node id="-1" lon="0" lat="0" changeset="#{changeset_id}" version="1"/>
+ <node id="-2" lon="1" lat="1" changeset="#{changeset_id}" version="1"/>
+ <node id="-3" lon="2" lat="2" changeset="#{changeset_id}" version="1"/>
+ <relation id="-1" changeset="#{changeset_id}" version="1">
+ <member type="node" role="foo" ref="-1"/>
+ <member type="node" role="foo" ref="-2"/>
+ <member type="node" role="foo" ref="-3"/>
+ <member type="node" role="foo" ref="-4"/>
+ </relation>
+ </create>
+</osmChange>
+EOF
+
+ # upload it
+ content diff
+ post :upload, :id => changeset_id
+ assert_response :bad_request,
+ "shouldn't be able to use invalid placeholder IDs"
+ assert_equal "Placeholder Node not found for reference -4 in relation -1.", @response.body
+
+ # the same again, but this time use an existing way
+ diff = <<EOF
+<osmChange>
+ <create>
+ <node id="-1" lon="0" lat="0" changeset="#{changeset_id}" version="1"/>
+ <node id="-2" lon="1" lat="1" changeset="#{changeset_id}" version="1"/>
+ <node id="-3" lon="2" lat="2" changeset="#{changeset_id}" version="1"/>
+ <relation id="1" changeset="#{changeset_id}" version="1">
+ <member type="node" role="foo" ref="-1"/>
+ <member type="node" role="foo" ref="-2"/>
+ <member type="node" role="foo" ref="-3"/>
+ <member type="way" role="bar" ref="-1"/>
+ </relation>
+ </create>
+</osmChange>
+EOF
+
+ # upload it
+ content diff
+ post :upload, :id => changeset_id
+ assert_response :bad_request,
+ "shouldn't be able to use invalid placeholder IDs"
+ assert_equal "Placeholder Way not found for reference -1 in relation 1.", @response.body
+ end
+
+ ##
+ # test what happens if a diff is uploaded containing only a node
+ # move.
+ def test_upload_node_move
+ basic_authorization users(:public_user).email, "test"
+
+ content "<osm><changeset>" +
+ "<tag k='created_by' v='osm test suite checking changesets'/>" +
+ "</changeset></osm>"
+ put :create
+ assert_response :success
+ changeset_id = @response.body.to_i
+
+ old_node = current_nodes(:visible_node)
+
+ diff = XML::Document.new
+ diff.root = XML::Node.new "osmChange"
+ modify = XML::Node.new "modify"
+ xml_old_node = old_node.to_xml_node
+ xml_old_node["lat"] = (2.0).to_s
+ xml_old_node["lon"] = (2.0).to_s
+ xml_old_node["changeset"] = changeset_id.to_s
+ modify << xml_old_node
+ diff.root << modify
+
+ # upload it
+ content diff
+ post :upload, :id => changeset_id
+ assert_response :success,
+ "diff should have uploaded OK"
+
+ # check the bbox
+ changeset = Changeset.find(changeset_id)
+ assert_equal 1*SCALE, changeset.min_lon, "min_lon should be 1 degree"
+ assert_equal 2*SCALE, changeset.max_lon, "max_lon should be 2 degrees"
+ assert_equal 1*SCALE, changeset.min_lat, "min_lat should be 1 degree"
+ assert_equal 2*SCALE, changeset.max_lat, "max_lat should be 2 degrees"
+ end
+
+ ##
+ # test what happens if a diff is uploaded adding a node to a way.
+ def test_upload_way_extend
+ basic_authorization users(:public_user).email, "test"
+
+ content "<osm><changeset>" +
+ "<tag k='created_by' v='osm test suite checking changesets'/>" +
+ "</changeset></osm>"
+ put :create
+ assert_response :success
+ changeset_id = @response.body.to_i
+
+ old_way = current_ways(:visible_way)
+
+ diff = XML::Document.new
+ diff.root = XML::Node.new "osmChange"
+ modify = XML::Node.new "modify"
+ xml_old_way = old_way.to_xml_node
+ nd_ref = XML::Node.new "nd"
+ nd_ref["ref"] = current_nodes(:visible_node).id.to_s
+ xml_old_way << nd_ref
+ xml_old_way["changeset"] = changeset_id.to_s
+ modify << xml_old_way
+ diff.root << modify
+
+ # upload it
+ content diff
+ post :upload, :id => changeset_id
+ assert_response :success,
+ "diff should have uploaded OK"
+
+ # check the bbox
+ changeset = Changeset.find(changeset_id)
+ assert_equal 1*SCALE, changeset.min_lon, "min_lon should be 1 degree"
+ assert_equal 3*SCALE, changeset.max_lon, "max_lon should be 3 degrees"
+ assert_equal 1*SCALE, changeset.min_lat, "min_lat should be 1 degree"
+ assert_equal 3*SCALE, changeset.max_lat, "max_lat should be 3 degrees"
+ end
+
+ ##
+ # test for more issues in #1568
+ def test_upload_empty_invalid
+ basic_authorization users(:public_user).email, "test"
+
+ [ "<osmChange/>",
+ "<osmChange></osmChange>",
+ "<osmChange><modify/></osmChange>",
+ "<osmChange><modify></modify></osmChange>"
+ ].each do |diff|
+ # upload it
+ content diff
+ post :upload, :id => changesets(:public_user_first_change).id
+ assert_response(:success, "should be able to upload " +
+ "empty changeset: " + diff)
+ end
+ end
+
+ ##
+ # test that the X-Error-Format header works to request XML errors
+ def test_upload_xml_errors
+ basic_authorization users(:public_user).email, "test"
+
+ # try and delete a node that is in use
+ diff = XML::Document.new
+ diff.root = XML::Node.new "osmChange"
+ delete = XML::Node.new "delete"
+ diff.root << delete
+ delete << current_nodes(:node_used_by_relationship).to_xml_node
+
+ # upload it
+ content diff
+ error_format "xml"
+ post :upload, :id => 2
+ assert_response :success,
+ "failed to return error in XML format"
+
+ # check the returned payload
+ assert_select "osmError[version=#{API_VERSION}][generator=\"OpenStreetMap server\"]", 1
+ assert_select "osmError>status", 1
+ assert_select "osmError>message", 1
+
+ end
+
+ ##
+ # when we make some simple changes we get the same changes back from the