test_mailbox.py 文件源码

def test_pop(self):
        # Get and remove a message using pop()
        key0 = self._box.add(self._template % 0)
        self.assertIn(key0, self._box)
        key1 = self._box.add(self._template % 1)
        self.assertIn(key1, self._box)
        self.assertEqual(self._box.pop(key0).get_payload(), '0\n')
        self.assertNotIn(key0, self._box)
        self.assertIn(key1, self._box)
        key2 = self._box.add(self._template % 2)
        self.assertIn(key2, self._box)
        self.assertEqual(self._box.pop(key2).get_payload(), '2\n')
        self.assertNotIn(key2, self._box)
        self.assertIn(key1, self._box)
        self.assertEqual(self._box.pop(key1).get_payload(), '1\n')
        self.assertNotIn(key1, self._box)
        self.assertEqual(len(self._box), 0)