def test_with_no_manager(self):
manager = ChainManager(None)
with self.assertRaises(Exception):
manager.retrieve("none")
self.assertFalse(manager.exists("id"))
self.assertFalse(manager.delete("id"))
def test_with_managers_retrieve(self):
m = mock.Mock()
m.retrieve.return_value = {"salut": "les gens!"}
manager = ChainManager([("fs", m)])
n = manager.retrieve("hello")
self.assertEquals("fs", n["manager"])
