def validate(self, attrs):
with ErrorCollection(inner=True) as errors:
for api_path, path_definition in attrs.items():
path_parameter_names = set(get_parameter_names_from_path(api_path))
if path_definition is None:
continue
api_path_level_parameters = dereference_parameter_list(
path_definition.get('parameters', []),
parameter_definitions=self.context.get('parameters', {}),
)
path_request_methods = set(REQUEST_METHODS).intersection(
path_definition.keys(),
)
if not path_request_methods:
for parameter in api_path_level_parameters:
if parameter['name'] not in path_parameter_names:
errors[api_path].append(
MESSAGES["path"]["missing_parameter"].format(
parameter['name'], api_path,
),
)
for method, operation_definition in path_definition.items():
if method not in REQUEST_METHODS:
continue
if operation_definition is None:
operation_definition = {}
operation_level_parameters = dereference_parameter_list(
operation_definition.get('parameters', []),
parameter_definitions=self.context.get('parameters', {}),
)
parameters_in_path = filter_parameters(
merge_parameter_lists(
api_path_level_parameters,
operation_level_parameters,
),
in_=PATH,
)
for parameter in parameters_in_path:
if parameter['name'] not in path_parameter_names:
key = "{method}:{api_path}".format(
method=method.upper(),
api_path=api_path,
)
errors[key].append(
MESSAGES["path"]["missing_parameter"].format(
parameter['name'], api_path,
),
)
return super(PathsSerializer, self).validate(attrs)
def test_getting_names_from_parametrized_path():
path = "/get/{username}/also/{with_underscores}/and/{id}"
names = get_parameter_names_from_path(path)
assert len(names) == 3
assert ("username", "with_underscores", "id") == names
def test_non_parametrized_path_returns_empty():
path = "/get/with/no-parameters"
names = get_parameter_names_from_path(path)
assert len(names) == 0
def test_getting_names_from_parametrized_path():
path = "/get/{username}/also/{with_underscores}/and/{id}"
names = get_parameter_names_from_path(path)
assert len(names) == 3
assert ("username", "with_underscores", "id") == names
def test_non_parametrized_path_returns_empty():
path = "/get/with/no-parameters"
names = get_parameter_names_from_path(path)
assert len(names) == 0
