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)