Method test_no_implementations

t/unit/backends/test_cache.py:219–224

(self, mask_modules)

    @pytest.mark.masked_modules('pylibmc', 'memcache')
    def test_no_implementations(self, mask_modules):
        with conftest.reset_modules('celery.backends.cache'):
            from celery.backends import cache
            cache._imp = [None]
            with pytest.raises(ImproperlyConfigured):
                cache.get_best_memcache()

    def test_cached(self):
        with self.mock_pylibmc():