def test_compare_arg_order_no_arg_header_exits_without_error(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
func_args = ['arg_name1']
docstring_args = 'I only have a description.'
expected_result = []
result = docstring_checker.compare_arg_order(func_args, docstring_args)
self.assertEqual(result, expected_result)
def test_compare_arg_order_empty_docstring_exits_without_error(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
func_args = ['arg_name1']
docstring_args = ''
expected_result = []
result = docstring_checker.compare_arg_order(func_args, docstring_args)
self.assertEqual(result, expected_result)
def test_compare_arg_order_missing_arg_returns_arg(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
func_args = ['arg_name1', 'arg_name2']
docstring_args = """Description
Args:
arg_name1: description
"""
expected_result = ['Arg missing from docstring: arg_name2']
result = docstring_checker.compare_arg_order(func_args, docstring_args)
self.assertEqual(result, expected_result)
def test_compare_arg_order_one_matching_arg_returns_empty_list(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
func_args = ['arg_name']
docstring_args = """Description
Args:
arg_name: description
"""
expected_result = []
result = docstring_checker.compare_arg_order(func_args, docstring_args)
self.assertEqual(result, expected_result)
def test_compare_arg_order_no_colon_returns_error(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
func_args = ['arg_name']
docstring_args = """Description
Args:
arg_name
"""
expected_result = ['Arg not followed by colon: arg_name']
result = docstring_checker.compare_arg_order(func_args, docstring_args)
self.assertEqual(result, expected_result)
def test_compare_arg_order_two_matching_ordered_args_success(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
func_args = ['arg_name1', 'arg_name2']
docstring_args = """Description
Args:
arg_name1: description,
arg_name2: description
"""
expected_result = []
result = docstring_checker.compare_arg_order(func_args, docstring_args)
self.assertEqual(result, expected_result)
def test_compare_arg_order_mention_arg_without_colon_has_no_effect(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
func_args = ['arg_name1', 'arg_name2']
docstring_args = """Description
Args:
arg_name1: description involving arg_name2,
arg_name2: description involving arg_name1
"""
expected_result = []
result = docstring_checker.compare_arg_order(func_args, docstring_args)
self.assertEqual(result, expected_result)
def test_compare_arg_order_misordered_args_returns_one_error(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
func_args = ['arg_name1', 'arg_name2']
docstring_args = """Description
Args:
arg_name2: description
arg_name1: description
"""
expected_result = ['Arg ordering error in docstring.']
result = docstring_checker.compare_arg_order(func_args, docstring_args)
self.assertEqual(result, expected_result)
def test_compare_arg_order_multi_line_descriptions_success(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
func_args = ['arg_name1', 'arg_name2']
docstring_args = """Description
Args:
arg_name1: description that goes on for a
long time.
arg_name2: description
"""
expected_result = []
result = docstring_checker.compare_arg_order(func_args, docstring_args)
self.assertEqual(result, expected_result)
def test_compare_arg_order_arg_substring_not_confused(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
func_args = ['this_has_a_substring', 'intermediate_arg', 'substring']
docstring_args = """Description
Args:
this_has_a_substring: description,
intermediate_arg: description,
substring: description
"""
expected_result = []
result = docstring_checker.compare_arg_order(func_args, docstring_args)
self.assertEqual(result, expected_result)
def test_check_docstrings_arg_order(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
ast_file = ast.walk(ast.parse(
"""
def func(test_var_one, test_var_two): #@
\"\"\"Function to test docstring parameters.
Args:
test_var_one: int. First test variable.
test_var_two: str. Second test variable.
Returns:
int. The test result.
\"\"\"
result = test_var_one + test_var_two
return result"""))
func_defs = [n for n in ast_file if isinstance(n, ast.FunctionDef)]
self.assertEqual(len(func_defs), 1)
func_result = docstring_checker.check_docstrings_arg_order(func_defs[0])
self.assertEqual(func_result, [])
def test_build_regex_from_args_empty_list_returns_None(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
args = []
expected_result = None
result = docstring_checker.build_regex_from_args(args)
self.assertEqual(result, expected_result)
def test_build_regex_from_args_multiple_args(self):
docstring_checker = docstrings_checker.ASTDocStringChecker()
args = ['arg_name0', 'arg_name1']
expected_result = r'(Args:)[\S\s]*(arg_name0:)[\S\s]*(arg_name1:)'
result = docstring_checker.build_regex_from_args(args)
self.assertEqual(result, expected_result)