def test_it_finds_the_service(self, celery, user):
worker.rename_user(user.id, 'panda')
celery.request.find_service.assert_called_once_with(name='rename_user')
def test_it_renames_the_user(self, celery, user):
service = celery.request.find_service.return_value
worker.rename_user(user.id, 'panda')
service.rename.assert_called_once_with(user, 'panda')
def test_it_raises_when_user_cannot_be_found(self, celery):
with pytest.raises(ValueError) as err:
worker.rename_user(4, 'panda')
assert err.value.message == 'Could not find user with id 4'