def test_refetch_config(self):
config_fetcher = ConfigFetcherMock()
config_cache = InMemoryConfigCache()
cache_policy = AutoPollingCachePolicy(config_fetcher, config_cache,
cache_key, 2, 1, None)
time.sleep(1.5)
config = cache_policy.get()
self.assertEqual(config, TEST_JSON)
self.assertEqual(config_fetcher.get_call_count, 1)
self.assertEqual(config_fetcher.get_force_fetch_count, 1)
time.sleep(1.5)
config = cache_policy.get()
self.assertEqual(config, TEST_JSON)
self.assertEqual(config_fetcher.get_call_count, 2)
self.assertEqual(config_fetcher.get_force_fetch_count, 1)
try:
# Clear the cache
cache_policy._lock.acquire_write()
cache_policy._config_cache.set(cache_key, None)
finally:
cache_policy._lock.release_write()
time.sleep(1.5)
self.assertEqual(config_fetcher.get_call_count, 3)
self.assertEqual(config_fetcher.get_force_fetch_count, 2)
config = cache_policy.get()
self.assertEqual(config, TEST_JSON)
cache_policy.stop()
def test_updated_values(self):
config_fetcher = ConfigFetcherCountMock()
config_cache = InMemoryConfigCache()
cache_policy = AutoPollingCachePolicy(config_fetcher, config_cache,
cache_key, 2, 5, None)
config = cache_policy.get()
self.assertEqual(config, 10)
time.sleep(2.200)
config = cache_policy.get()
self.assertEqual(config, 20)
cache_policy.stop()
def test_init_wait_time_ok(self):
config_fetcher = ConfigFetcherWaitMock(0)
config_cache = InMemoryConfigCache()
cache_policy = AutoPollingCachePolicy(config_fetcher, config_cache,
cache_key, 60, 5, None)
config = cache_policy.get()
self.assertEqual(config, TEST_JSON)
cache_policy.stop()
def test_wrong_params(self):
config_fetcher = ConfigFetcherMock()
config_cache = InMemoryConfigCache()
cache_policy = AutoPollingCachePolicy(config_fetcher, config_cache,
cache_key, 0, -1, None)
time.sleep(2)
config = cache_policy.get()
self.assertEqual(config, TEST_JSON)
cache_policy.stop()
def test_exception(self):
config_fetcher = ConfigFetcherWithErrorMock(Exception("error"))
config_cache = InMemoryConfigCache()
cache_policy = AutoPollingCachePolicy(config_fetcher, config_cache,
cache_key, 60, 1)
# Get value from Config Store, which indicates a config_fetcher call
value = cache_policy.get()
self.assertEqual(value, None)
cache_policy.stop()
def test_fetch_call_count(self):
config_fetcher = ConfigFetcherMock()
config_cache = InMemoryConfigCache()
cache_policy = AutoPollingCachePolicy(config_fetcher, config_cache,
cache_key, 2, 1, None)
time.sleep(3)
self.assertEqual(config_fetcher.get_call_count, 2)
config = cache_policy.get()
self.assertEqual(config, TEST_JSON)
cache_policy.stop()
def test_init_wait_time_timeout(self):
config_fetcher = ConfigFetcherWaitMock(5)
config_cache = InMemoryConfigCache()
start_time = time.time()
cache_policy = AutoPollingCachePolicy(config_fetcher, config_cache,
cache_key, 60, 1, None)
config = cache_policy.get()
end_time = time.time()
elapsed_time = end_time - start_time
self.assertEqual(config, None)
self.assertTrue(elapsed_time > 1)
self.assertTrue(elapsed_time < 2)
cache_policy.stop()