def constructor(self) -> Optional[FunctionLint]:
"""
Check func definition for 'constructor' by name
:return: bool
"""
# iterate over all definitions from ast node body
for func in self.functions:
# check, that the aren't constants or assignment
if isinstance(func, _ast.FunctionDef):
# TODO: change None value to some other
# return that function if it's constructor else None
return FunctionLint(func) if func.name == '__init__' else None
return None
def converted_methods(self) -> Tuple[FunctionLint]:
"""
Return all class methods as Function objects
:return: tuple of class methods
"""
converted_methods = []
# iterate over all definitions from ast node body
for func in self.functions:
# check, that the aren't constants or assignment
if isinstance(func, _ast.FunctionDef):
# convert function from ast function object to local Function object
converted_methods.append(FunctionLint(func))
# dont forget to convert list to immutable object
return tuple(converted_methods)
def test_function_definition_is_pass():
assert FunctionLint(
definition=SetEncapsulatedAttribsLineNumbersFixture.definition_is_pass,
).set_encapsulated_attribs_line_numbers() == ()
def test_definitions_consist_of_assign_without_attribute():
assert FunctionLint(
definition=ConstructorNonAttribsValueLineNumberFixture.definitions_consist_of_assign_without_attribute,
).constructor_non_attribs_value_line_number() == (2,)
def test_definitions_is_not_a_test_function():
assert FunctionLint(definition=NonAssertMethodAtTestFunctionFixture.
definitions_is_not_a_test_function,
).non_assert_methods_at_test_function() == ()
def test_method_name_is_none():
assert FunctionLint(
definition=SetterOrGetterDefNamesLineNumbersFixture.name_is_none,
).setter_or_getters_def_names_line_numbers() == ()
def test_method_is_static():
assert FunctionLint(definition=StaticOrPrivateFixture.is_static,
).static_or_private() is True
def test_empty_decorator_list():
assert FunctionLint(definition=StaticOrPrivateFixture.empty_decorator_list,
).static_or_private() is False
def test_function_definition_is_expr():
assert FunctionLint(definition=StaticOrPrivateFixture.definition_is_expr,
).static_or_private() is False
def test_node_is_none():
assert FunctionLint(
definition=ReturnedValueFixture.node_is_none,
).returned_value().__dict__ == ResultReturnValueFixture.none
def test_constructor_with_mutable():
assert FunctionLint(definition=ConstructorMutableAttribsLineNumberFixture.
constructor_with_mutable,
).constructor_mutable_attribs_line_number() == (1, 2,
3)
def test_definition_is_not_a_function():
assert FunctionLint(definition=ConstructorMutableAttribsLineNumberFixture.
definition_is_not_a_function,
).constructor_mutable_attribs_line_number() == ()
def test_definitions_consist_of_any_but_not_a_assign():
assert FunctionLint(
definition=ConstructorNonAttribsValueLineNumberFixture.definitions_consist_of_any_but_not_a_assign,
).constructor_non_attribs_value_line_number() == (3,)
def test_function_is_constructor():
assert FunctionLint(
definition=SetEncapsulatedAttribsLineNumbersFixture.is_constructor,
).set_encapsulated_attribs_line_numbers() == ()
def test_plain_expression_as_input():
assert FunctionLint(
definition=ReturnedValueFixture.plain_expression_as_input,
).returned_value().__dict__ == ResultReturnValueFixture.wrong
def test_function_with_assign_with_self():
assert FunctionLint(
definition=SetEncapsulatedAttribsLineNumbersFixture.with_assign_with_self,
).set_encapsulated_attribs_line_numbers() == (1,)
def test_function_body_is_empty():
assert FunctionLint(
definition=ReturnedValueFixture.function_body_is_empty,
).returned_value().__dict__ == ResultReturnValueFixture.wrong
def test_empty_decorator_list_and_name():
with pytest.raises(AttributeError):
assert FunctionLint(
definition=StaticOrPrivateFixture.empty_decorator_list_and_name,
).static_or_private()
def test_function_body_with_return_expression():
assert FunctionLint(
definition=ReturnedValueFixture.function_body_with_return_expression,
).returned_value().__dict__ == ResultReturnValueFixture.success
def test_method_decorated():
assert FunctionLint(definition=StaticOrPrivateFixture.decorated,
).static_or_private() is False
def test_empty_node():
assert FunctionLint(definition=ReflectionAtLineFixture.empty_node,
).reflection_at_line() == tuple()
def test_function_definition_is_pass():
assert FunctionLint(
definition=SetterOrGetterDefNamesLineNumbersFixture.definition_is_pass,
).setter_or_getters_def_names_line_numbers() == ()
def test_is_instance_at_first_lvl():
assert FunctionLint(
definition=ReflectionAtLineFixture.is_instance_at_first_lvl,
).reflection_at_line() == (1, )
def test_method_with_get_keywords():
assert FunctionLint(
definition=SetterOrGetterDefNamesLineNumbersFixture.with_get_keywords,
).setter_or_getters_def_names_line_numbers() == (2,)
def test_type_at_second_lvl():
assert FunctionLint(definition=ReflectionAtLineFixture.type_at_second_lvl,
).reflection_at_line() == (2, )
def test_definitions_with_code():
assert FunctionLint(
definition=NonAssertMethodAtTestFunctionFixture.definitions_with_code,
).non_assert_methods_at_test_function() == (1, )
def test_definitions_is_not_a_constructor():
assert FunctionLint(
definition=ConstructorNonAttribsValueLineNumberFixture.definitions_is_not_a_constructor,
).constructor_non_attribs_value_line_number() == ()
