def test_write_thread_storage_in_flush(self):
request_cache.set('key', 'main')
self.assertTrue(request_cache.has('key'))
self.assertEqual('main', request_cache.get('key'))
thread_output = {}
def thread_func(thread_output):
request_cache.set('key', 'thread')
thread_output['value_of_get_before_flush'] = (
request_cache.get('key'))
request_cache.flush()
thread_output['value_of_get_after_flush'] = (
request_cache.get('key'))
thread = threading.Thread(target=thread_func, args=[thread_output])
thread.start()
thread.join()
# The main thread should not see changes made by the second
# thread.
self.assertTrue(request_cache.has('key'))
self.assertEqual('main', request_cache.get('key'))
self.assertEqual('thread', thread_output['value_of_get_before_flush'])
self.assertIsNone(thread_output['value_of_get_after_flush'])
def test_read_thread_storage_in_has(self):
self.assertFalse(request_cache.has('key'))
request_cache.set('key', 'main')
self.assertTrue(request_cache.has('key'))
thread_output = {}
def thread_func(thread_output):
thread_output['value_of_has'] = request_cache.has('key')
thread = threading.Thread(target=thread_func, args=[thread_output])
thread.start()
thread.join()
# The second thread should see different values than the main thread.
self.assertFalse(thread_output['value_of_has'])
def thread_func(thread_output):
thread_output['value_of_has'] = request_cache.has('key')