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from lagom import Container
class Foo:
def __init__(self, name="Foo") -> None:
self._name = name
def greet(self) -> str:
return f"Hello {self._name}"
container = Container()
class Bar:
def __init__(self, not_injected: str, foo: Foo) -> None:
self.not_injected = not_injected
self.foo = foo
return self.foo.greet() + self.not_injected
def test_partial_application_can_be_applied_to_class():
bar = container.magic_partial(Bar)(not_injected="!")
assert bar.greet() == "Hello Foo!"
def test_one_class_can_be_bound_multiple_times():
another_bar = container.magic_partial(Bar)(not_injected="?")
assert another_bar.greet() == "Hello Foo?"
def test_passed_in_arguments_are_used_over_container_generated_ones_when_positional():
partial_bar = container.magic_partial(Bar)
assert partial_bar("!", Foo(name="Local")).greet() == "Hello Local!"
def test_passed_in_arguments_are_used_over_container_generated_ones_when_named():
assert (
partial_bar(not_injected="!", foo=Foo(name="Local")).greet() == "Hello Local!"
)
meadsteve /
lagom
