salt/tests/unit/utils/test_cache.py
2017-03-01 01:33:07 +00:00

96 lines
2.6 KiB
Python

# -*- coding: utf-8 -*-
'''
tests.unit.utils.cache_test
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Test the salt cache objects
'''
# Import python libs
from __future__ import absolute_import
import os
import time
import tempfile
import shutil
# Import Salt Testing libs
from tests.support.unit import TestCase
# Import salt libs
import salt.config
import salt.loader
from salt.utils import cache
class CacheDictTestCase(TestCase):
def test_sanity(self):
'''
Make sure you can instantiate etc.
'''
cd = cache.CacheDict(5)
self.assertIsInstance(cd, cache.CacheDict)
# do some tests to make sure it looks like a dict
self.assertNotIn('foo', cd)
cd['foo'] = 'bar'
self.assertEqual(cd['foo'], 'bar')
del cd['foo']
self.assertNotIn('foo', cd)
def test_ttl(self):
cd = cache.CacheDict(0.1)
cd['foo'] = 'bar'
self.assertIn('foo', cd)
self.assertEqual(cd['foo'], 'bar')
time.sleep(0.2)
self.assertNotIn('foo', cd)
# make sure that a get would get a regular old key error
self.assertRaises(KeyError, cd.__getitem__, 'foo')
class CacheContextTestCase(TestCase):
def setUp(self):
context_dir = os.path.join(tempfile.gettempdir(), 'context')
if os.path.exists(context_dir):
shutil.rmtree(os.path.join(tempfile.gettempdir(), 'context'))
def test_smoke_context(self):
'''
Smoke test the context cache
'''
if os.path.exists(os.path.join(tempfile.gettempdir(), 'context')):
self.skipTest('Context dir already exists')
else:
opts = salt.config.DEFAULT_MINION_OPTS
opts['cachedir'] = tempfile.gettempdir()
context_cache = cache.ContextCache(opts, 'cache_test')
context_cache.cache_context({'a': 'b'})
ret = context_cache.get_cache_context()
self.assertDictEqual({'a': 'b'}, ret)
def test_context_wrapper(self):
'''
Test to ensure that a module which decorates itself
with a context cache can store and retreive its contextual
data
'''
opts = salt.config.DEFAULT_MINION_OPTS
opts['cachedir'] = tempfile.gettempdir()
ll_ = salt.loader.LazyLoader(
[os.path.join(os.path.dirname(os.path.realpath(__file__)), 'cache_mods')],
tag='rawmodule',
virtual_enable=False,
opts=opts)
cache_test_func = ll_['cache_mod.test_context_module']
self.assertEqual(cache_test_func()['called'], 0)
self.assertEqual(cache_test_func()['called'], 1)