def test_no_implementations(self):
with mask_modules('pylibmc', 'memcache'):
with reset_modules('celery.backends.cache'):
from celery.backends import cache
cache._imp = [None]
with self.assertRaises(ImproperlyConfigured):
cache.get_best_memcache()
def test_pylibmc(self):
with self.mock_pylibmc():
with reset_modules('celery.backends.cache'):
from celery.backends import cache
cache._imp = [None]
self.assertEqual(cache.get_best_memcache()[0].__module__,
'pylibmc')
def test_cached(self):
with self.mock_pylibmc():
with reset_modules('celery.backends.cache'):
from celery.backends import cache
cache._imp = [None]
cache.get_best_memcache()[0](behaviors={'foo': 'bar'})
self.assertTrue(cache._imp[0])
cache.get_best_memcache()[0]()
def test_pylibmc_bytes_key(self):
with reset_modules('celery.backends.cache'):
with self.mock_pylibmc():
from celery.backends import cache
cache._imp = [None]
task_id, result = str_to_bytes(uuid()), 42
b = cache.CacheBackend(backend='memcache', app=self.app)
b.store_result(task_id, result, status=states.SUCCESS)
self.assertEqual(b.get_result(task_id), result)
