def argument_lists(self, request) -> ARG_FIXTURE_TYPE: # noqa: ANN001
"""
Build a pair of lists of arguments to compare and return as a (truth, parsed) tuple.
`argument_test_cases` is a dictionary of the TestCase named tuples that provide the source
code to be parsed and a list of Argument objects to be used as truth values
A list of parsed Argument objects is taken from the class-level source parser
The function name is also returned in order to provide a more verbose message for a failed
assertion
Note: For testing purposes, Argument lineno and col_offset are ignored so these are set to
dummy values in the truth dictionary
"""
test_case_name, test_case = request.param
# Since positional-only args are part of these test cases, short-circuit for Python < 3.8 if
# the `py38_only` boolean flag is set in the test case
if test_case.py38_only and sys.version_info < (3, 8):
pytest.skip("Test case expected to fail for Python < 3.8")
truth_arguments = test_case.args
tree, lines = parse_source(test_case.src)
visitor = FunctionVisitor(lines)
visitor.visit(tree)
parsed_arguments = visitor.function_definitions[0].args
return truth_arguments, parsed_arguments, test_case_name
def functions(self, request) -> FUNC_FIXTURE_TYPE: # noqa: ANN001
"""
Build a pair of Function objects to compare and return as a (truth, parsed) tuple.
`parser_object_attributes.parsed_functions` is a dictionary of the Functions that should be
parsed out of the testing source code:
* Keys are the function name, as str
* Values are the Function object that should be parsed from the source
"""
test_case_name, test_case = request.param
truth_functions = test_case.func
tree, lines = parse_source(test_case.src)
visitor = FunctionVisitor(lines)
visitor.visit(tree)
parsed_functions = visitor.function_definitions
return truth_functions, parsed_functions, test_case_name
def argument_lists(self, request) -> ARG_FIXTURE_TYPE: # noqa: ANN001
"""
Build a pair of lists of arguments to compare and return as a (truth, parsed) tuple.
`parser_test_cases` is a dictionary of ParserTestCase named tuples, which provide the
following:
* `src` - Source code for the test case to be parsed
* `args` - A list of Argument objects to be used as the truth values
* `should_yield_ANN301` - Boolean flag indicating whether the source should yield ANN301
A list of parsed Argument objects is taken from the class-level source parser
The function name is also returned in order to provide a more verbose message for a failed
assertion
"""
test_case_name, test_case = request.param
tree, lines = parse_source(test_case.src)
visitor = FunctionVisitor(lines)
visitor.visit(tree)
parsed_arguments = visitor.function_definitions[0].args
return test_case.args, parsed_arguments, test_case_name