def test_dependents(self): dependent_cache_name = self.check_cache_gone('dependent') dependent_cache = PersistentCache(dependent_cache_name, cache_manager=self.manager) parent_cache_name = self.check_cache_gone('parent') parent_cache = PersistentCache(parent_cache_name, cache_manager=self.manager, dependents=[dependent_cache]) dependent_cache['foo'] = 'bar' parent_cache.save(True) dependent_cache['foo'] = 'saved' parent_cache.load(True) self.assertEqual(dependent_cache['foo'], 'bar') dependent_cache['foo'] = 'invalid' parent_cache.invalidate(True) self.assertEqual(dependent_cache['foo'], 'bar') parent_cache.delete_saved_content(True) parent_cache.load(True) self.assertIsNone(dependent_cache.contents) parent_cache.load_or_build(True) self.assertDictEqual(dependent_cache.contents, {}) dependent_cache['foo'] = 'bar' dependent_cache.save() parent_cache.invalidate_and_rebuild(True) self.assertDictEqual(dependent_cache.contents, {})
def test_invalidate(self): cache_name = self.check_cache_gone('invalidate') cache = PersistentCache(cache_name, cache_manager=self.manager) cache['foo'] = 'bar' cache.save() cache['baz'] = 'bar' cache.invalidate() # Should reload self.assertEqual(cache['foo'], 'bar') self.assertNotIn('baz', cache)