def test_from_methods(descriptor):
def f(a, b=None):
pass
expected = Arguments.from_callable(f)
result = Arguments.from_callable(descriptor(f))
for expected_arg, result_arg in zip(expected, result):
assert expected_arg.name == result_arg.name
assert expected_arg.has_default == result_arg.has_default
assert expected_arg.type_hint == result_arg.type_hint
def test_extract_auto_provided_arg_dependency(type_hint, expected):
def f(x: type_hint):
pass
arguments = Arguments.from_callable(f)
assert extract_auto_provided_arg_dependency(arguments[0]) == expected
def g(x: type_hint = None):
pass
arguments = Arguments.from_callable(g)
assert extract_auto_provided_arg_dependency(arguments[0]) == expected
def test_unknown_antidote_annotations():
type_hint = Annotated[Dummy, AntidoteAnnotation()]
def f(x: type_hint):
pass
arguments = Arguments.from_callable(f)
with pytest.raises(TypeError):
extract_annotated_arg_dependency(arguments[0])
with pytest.raises(TypeError):
extract_annotated_dependency(type_hint)
def test_multiple_antidote_annotations():
type_hint = Annotated[Dummy, Get('dummy'), Get('dummy')] # noqa: F821
def f(x: type_hint):
pass
arguments = Arguments.from_callable(f)
with pytest.raises(TypeError):
extract_annotated_arg_dependency(arguments[0])
with pytest.raises(TypeError):
extract_annotated_dependency(type_hint)
def test_arguments():
container = DependencyContainer()
container.update_singletons(dict(a=12, b=24))
def f(a, b):
pass
arguments = Arguments.from_callable(f)
@inject(arguments=arguments, use_names=True, container=container)
def g(**kwargs):
return kwargs
assert dict(a=12, b=24) == g()
def test_from_callable(func, expected: Arguments):
result = Arguments.from_callable(func)
assert isinstance(result, Arguments)
assert expected.has_var_positional == result.has_var_positional
assert expected.has_var_keyword == result.has_var_keyword
for expected_arg, result_arg in zip(expected, result):
assert expected_arg.name == result_arg.name
assert expected_arg.has_default == result_arg.has_default
assert expected_arg.type_hint == result_arg.type_hint
for expected_arg in expected:
assert expected_arg.name in result
result_arg = result[expected_arg.name]
assert expected_arg.name == result_arg.name
assert expected_arg.has_default == result_arg.has_default
assert expected_arg.type_hint == result_arg.type_hint
def test_broken_type_hints_cpy353(monkeypatch):
monkeypatch.setattr('antidote._internal.argspec.get_type_hints',
raiser(Exception))
Arguments.from_callable(k)
def test_invalid_callable():
with pytest.raises(TypeError):
Arguments.from_callable(object())