def test__injectable_factory__when_neither_dependency_or_qualifier_are_present(
self, get_caller_filepath_mock, injection_container_mock
):
# given
factory = MagicMock
# when
with pytest.raises(InjectableLoadError):
injectable_factory()(factory)
# then
assert get_caller_filepath_mock.get_caller_filepath.called is False
assert injection_container_mock._register_factory.called is False
def test__injectable_factory__when_caller_filepath_does_not_match_loading_filepath(
self, get_caller_filepath_mock, injection_container_mock
):
# given
root = "/" if os.name != "nt" else "C:\\"
caller_filepath = os.path.join(root, "fake", "path", "caller_file.py")
loading_filepath = os.path.join(root, "fake", "path", "loading_file.py")
get_caller_filepath_mock.return_value = caller_filepath
injection_container_mock.LOADING_FILEPATH = loading_filepath
factory = MagicMock
# when
injectable_factory(qualifier="any")(factory)
# then
assert get_caller_filepath_mock.get_caller_filepath.called is False
assert injection_container_mock._register_factory.called is False
def test__injectable_factory__with_explicit_args(
self, get_caller_filepath_mock, injection_container_mock
):
# given
root = "/" if os.name != "nt" else "C:\\"
caller_filepath = os.path.join(root, "fake", "path", "caller_file.py")
get_caller_filepath_mock.return_value = caller_filepath
injection_container_mock.LOADING_FILEPATH = caller_filepath
factory = MagicMock
qualifier = "TEST_QUALIFIER"
dependency = MagicMock
namespace = "TEST_NAMESPACE"
group = "TEST_GROUP"
# when
injectable_factory(
dependency,
qualifier=qualifier,
primary=True,
namespace=namespace,
group=group,
singleton=True,
)(factory)
# then
assert injection_container_mock._register_factory.called is True
(
factory_arg,
caller_filepath_arg,
dependency_arg,
qualifier_arg,
primary_arg,
namespace_arg,
group_arg,
singleton_arg,
) = injection_container_mock._register_factory.call_args[0]
assert factory_arg is factory
assert caller_filepath_arg is caller_filepath
assert qualifier_arg is qualifier
assert dependency_arg is dependency
assert primary_arg is True
assert namespace_arg is namespace
assert group_arg is group
assert singleton_arg is True
def test__injectable_factory__preserves_original_function(
self, get_caller_filepath_mock
):
# given
factory = MagicMock
# when
decorated_function = injectable_factory(qualifier="any")(factory)
# then
assert decorated_function is factory
def test__injectable_factory__when_caller_filepath_matches_loading_filepath(
self,
qualifier: Optional[str],
dependency: Optional[type],
get_caller_filepath_mock,
injection_container_mock,
):
# given
root = "/" if os.name != "nt" else "C:\\"
caller_filepath = os.path.join(root, "fake", "path", "caller_file.py")
get_caller_filepath_mock.return_value = caller_filepath
injection_container_mock.LOADING_FILEPATH = caller_filepath
factory = MagicMock
# when
injectable_factory(dependency, qualifier=qualifier)(factory)
# then
assert injection_container_mock._register_factory.called is True
(
factory_arg,
caller_filepath_arg,
dependency_arg,
qualifier_arg,
primary_arg,
namespace_arg,
group_arg,
singleton_arg,
) = injection_container_mock._register_factory.call_args[0]
assert factory_arg is factory
assert caller_filepath_arg is caller_filepath
assert qualifier_arg is qualifier
assert dependency_arg is dependency
assert primary_arg is False
assert namespace_arg is None
assert group_arg is None
assert singleton_arg is False
from injectable import injectable_factory
class Application:
def __init__(self, number):
self.number = number
app = Application(42)
...
injectable_factory(Application)(lambda: app)