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 unittest2 as 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('googleapiclient.discovery_cache.file_cache.FILENAME',
37              new='google-api-python-client-discovery-doc-tests.cache')
38  def test_expiration(self):
39    def future_now():
40      return datetime.datetime.now() + datetime.timedelta(
41        seconds=DISCOVERY_DOC_MAX_AGE)
42    mocked_datetime = mock.MagicMock()
43    mocked_datetime.datetime.now.side_effect = future_now
44    cache = FileCache(max_age=DISCOVERY_DOC_MAX_AGE)
45    first_url = 'url-1'
46    first_url_content = 'url-1-content'
47    cache.set(first_url, first_url_content)
48
49    # Make sure the content is cached.
50    self.assertEqual(first_url_content, cache.get(first_url))
51
52    # Simulate another `set` call in the future date.
53    with mock.patch('googleapiclient.discovery_cache.file_cache.datetime',
54                    new=mocked_datetime):
55      cache.set('url-2', 'url-2-content')
56
57    # Make sure the content is expired
58    self.assertEqual(None, cache.get(first_url))
59