def test_invalid(error, kwargs):
container = DependencyContainer()
def f(x):
return x
with pytest.raises(error):
inject(f, container=container, **kwargs)()
def test_no_injections():
container = DependencyContainer()
def f(x):
return x
injected_f = inject(f, container=container)
# When nothing can be injected, the same function should be returned
assert injected_f is f
def test_already_injected():
container = DependencyContainer()
@inject(container=container, use_names=True)
def f(x):
return x
injected_f = inject(f, container=container)
# When the function has already its arguments injected, the same function should
# be returned
assert injected_f is f