def test_get_backend_inits_resulting_cls(self):
b = GenericBackend('key', defaults='tests.support.backends.TestArgs')
b.get_backend('arg1', kw=1)
def test_get_backend_returns_instance_with_expected_method(self):
b = GenericBackend('cfg', defaults='tests.support.backends.UseThisOne')
result = b.get_backend().func('arg1', kw=1)
self.assertEqual(result, "backend returned me")
def test_get_backend_returns_instance_of_cls(self):
b = GenericBackend('key', defaults='tests.support.backends.UseThisOne')
obj = b.get_backend()
self.assertIsInstance(obj, UseThisOne)
