72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
|
|
#
|
|
# 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.
|
|
|
|
import fixtures
|
|
import os
|
|
from oslo.config import cfg
|
|
import testtools
|
|
|
|
from os_collect_config import cache
|
|
from os_collect_config import collect
|
|
|
|
|
|
class TestCache(testtools.TestCase):
|
|
def setUp(self):
|
|
super(TestCache, self).setUp()
|
|
cfg.CONF.reset()
|
|
|
|
def tearDown(self):
|
|
cfg.CONF.reset()
|
|
super(TestCache, self).tearDown()
|
|
|
|
def test_cache(self):
|
|
cache_root = self.useFixture(fixtures.TempDir())
|
|
cache_dir = os.path.join(cache_root.path, 'cache')
|
|
collect.setup_conf()
|
|
cfg.CONF(['--cachedir', cache_dir])
|
|
|
|
# Never seen, so changed is expected.
|
|
(changed, path) = cache.store('foo', {'a': 1})
|
|
self.assertTrue(changed)
|
|
self.assertTrue(os.path.exists(cache_dir))
|
|
self.assertTrue(os.path.exists(path))
|
|
orig_path = '%s.orig' % path
|
|
self.assertTrue(os.path.exists(orig_path))
|
|
last_path = '%s.last' % path
|
|
self.assertFalse(os.path.exists(last_path))
|
|
|
|
# .orig exists now but not .last so this will shortcut to changed
|
|
(changed, path) = cache.store('foo', {'a': 2})
|
|
self.assertTrue(changed)
|
|
orig_path = '%s.orig' % path
|
|
with open(path) as now:
|
|
with open(orig_path) as then:
|
|
self.assertNotEquals(now.read(), then.read())
|
|
|
|
# Saves the current copy as .last
|
|
cache.commit('foo')
|
|
last_path = '%s.last' % path
|
|
self.assertTrue(os.path.exists(last_path))
|
|
|
|
# We committed this already, so we should have no changes
|
|
(changed, path) = cache.store('foo', {'a': 2})
|
|
self.assertFalse(changed)
|
|
|
|
cache.commit('foo')
|
|
# Fully exercising the line-by-line matching now that a .last exists
|
|
(changed, path) = cache.store('foo', {'a': 3})
|
|
self.assertTrue(changed)
|
|
self.assertTrue(os.path.exists(path))
|