def test_delete_messages_removes_whole_set_of_messages(self):
queue = Queue(
database='capsulemq_test',
queue='queue_test'
)
queue.write(Message({'foo': 1}))
queue.write(Message({'foo': 2}))
queue.write(Message({'foo': 3}))
messages = queue.read()
self.assertEqual(3, len(messages))
queue.delete_messages(messages)
messages = queue.read()
self.assertEqual(0, len(messages))
