1#!/usr/bin/env python
2# -*- coding: utf-8 -*-
3#
4# Copyright 2014 Google Inc. All Rights Reserved.
5#
6# Licensed under the Apache License, Version 2.0 (the "License");
7# you may not use this file except in compliance with the License.
8# You may obtain a copy of the License at
9#
10#      http://www.apache.org/licenses/LICENSE-2.0
11#
12# Unless required by applicable law or agreed to in writing, software
13# distributed under the License is distributed on an "AS IS" BASIS,
14# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15# See the License for the specific language governing permissions and
16# limitations under the License.
17
18"""Discovery document cache tests."""
19
20import datetime
21import unittest
22
23import mock
24
25from googleapiclient.discovery_cache import DISCOVERY_DOC_MAX_AGE
26from googleapiclient.discovery_cache.base import Cache
27
28try:
29    from googleapiclient.discovery_cache.file_cache import Cache as FileCache
30except ImportError:
31    FileCache = None
32
33
34@unittest.skipIf(FileCache is None, "FileCache unavailable.")
35class FileCacheTest(unittest.TestCase):
36    @mock.patch(
37        "googleapiclient.discovery_cache.file_cache.FILENAME",
38        new="google-api-python-client-discovery-doc-tests.cache",
39    )
40    def test_expiration(self):
41        def future_now():
42            return datetime.datetime.now() + datetime.timedelta(
43                seconds=DISCOVERY_DOC_MAX_AGE
44            )
45
46        mocked_datetime = mock.MagicMock()
47        mocked_datetime.datetime.now.side_effect = future_now
48        cache = FileCache(max_age=DISCOVERY_DOC_MAX_AGE)
49        first_url = "url-1"
50        first_url_content = "url-1-content"
51        cache.set(first_url, first_url_content)
52
53        # Make sure the content is cached.
54        self.assertEqual(first_url_content, cache.get(first_url))
55
56        # Simulate another `set` call in the future date.
57        with mock.patch(
58            "googleapiclient.discovery_cache.file_cache.datetime", new=mocked_datetime
59        ):
60            cache.set("url-2", "url-2-content")
61
62        # Make sure the content is expired
63        self.assertEqual(None, cache.get(first_url))
64