def test_global_registry_with_minimal_signature(mocker, resource):
cause = mocker.Mock(resource=resource, event=None, diff=None)
registry = GlobalRegistry()
registry.register(resource.group, resource.version, resource.plural, some_fn)
handlers = registry.get_handlers(cause)
assert len(handlers) == 1
assert handlers[0].fn is some_fn
def test_global_registry_via_list(mocker, resource):
cause = mocker.Mock(resource=resource, event=None, diff=None)
registry = GlobalRegistry()
handlers = registry.get_handlers(cause)
assert isinstance(handlers, collections.abc.Iterable)
assert isinstance(handlers, collections.abc.Container)
assert isinstance(handlers, collections.abc.Collection)
assert not handlers
