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#!/usr/bin/env python

# -*- coding: utf-8 -*-

#

# Copyright 2014 Google Inc. All Rights Reserved.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

"""Discovery document cache tests."""

import datetime

import unittest

from unittest import mock

from googleapiclient.discovery_cache import DISCOVERY_DOC_MAX_AGE

try:

from googleapiclient.discovery_cache.file_cache import Cache as FileCache

except ImportError:

FileCache = None

@unittest.skipIf(FileCache is None, "FileCache unavailable.")

class FileCacheTest(unittest.TestCase):

@mock.patch(

"googleapiclient.discovery_cache.file_cache.FILENAME",

new="google-api-python-client-discovery-doc-tests.cache",

)

def test_expiration(self):

def future_now():

return datetime.datetime.now() + datetime.timedelta(

seconds=DISCOVERY_DOC_MAX_AGE

)

mocked_datetime = mock.MagicMock()

mocked_datetime.datetime.now.side_effect = future_now

cache = FileCache(max_age=DISCOVERY_DOC_MAX_AGE)

first_url = "url-1"

first_url_content = "url-1-content"

cache.set(first_url, first_url_content)

# Make sure the content is cached.

self.assertEqual(first_url_content, cache.get(first_url))

# Simulate another `set` call in the future date.

with mock.patch(

"googleapiclient.discovery_cache.file_cache.datetime", new=mocked_datetime

):

cache.set("url-2", "url-2-content")

# Make sure the content is expired

self.assertEqual(None, cache.get(first_url))