def test_fixed_window_with_elastic_expiry_memcache(self):
storage = MemcachedStorage('localhost', 11211)
limiter = FixedWindowElasticExpiryRateLimiter(storage)
limit = PER_SECOND(10, 2)
self.assertTrue(all([limiter.hit(limit) for _ in range(0,10)]))
time.sleep(1)
self.assertFalse(limiter.hit(limit))
time.sleep(1)
self.assertFalse(limiter.hit(limit))
def test_fixed_window_with_elastic_expiry_redis(self):
storage = RedisStorage('redis://localhost:6379')
limiter = FixedWindowElasticExpiryRateLimiter(storage)
limit = PER_SECOND(10, 2)
self.assertTrue(all([limiter.hit(limit) for _ in range(0,10)]))
time.sleep(1)
self.assertFalse(limiter.hit(limit))
time.sleep(1)
self.assertFalse(limiter.hit(limit))
def test_fixed_window_with_elastic_expiry_redis(self):
storage = RedisStorage('redis://localhost:6379')
limiter = FixedWindowElasticExpiryRateLimiter(storage)
limit = PER_SECOND(10, 2)
self.assertTrue(all([limiter.hit(limit) for _ in range(0,10)]))
time.sleep(1)
self.assertFalse(limiter.hit(limit))
time.sleep(1)
self.assertFalse(limiter.hit(limit))
def test_fixed_window_with_elastic_expiry_memcache(self):
storage = MemcachedStorage('memcached://localhost:11211')
limiter = FixedWindowElasticExpiryRateLimiter(storage)
limit = PER_SECOND(10, 2)
self.assertTrue(all([limiter.hit(limit) for _ in range(0,10)]))
time.sleep(1)
self.assertFalse(limiter.hit(limit))
time.sleep(1)
self.assertFalse(limiter.hit(limit))
def test_fixed_window_with_elastic_expiry_in_memory(self):
storage = MemoryStorage()
limiter = FixedWindowElasticExpiryRateLimiter(storage)
with hiro.Timeline().freeze() as timeline:
limit = PER_SECOND(10, 2)
self.assertTrue(all([limiter.hit(limit) for _ in range(0,10)]))
timeline.forward(1)
self.assertFalse(limiter.hit(limit))
timeline.forward(1)
self.assertFalse(limiter.hit(limit))
def test_fixed_window_with_elastic_expiry_memcache_concurrency(self):
storage = MemcachedStorage('memcached://localhost:11211')
limiter = FixedWindowElasticExpiryRateLimiter(storage)
start = int(time.time())
limit = PER_SECOND(100, 2)
def _c():
for i in range(0,50):
limiter.hit(limit)
t1, t2 = threading.Thread(target=_c), threading.Thread(target=_c)
t1.start(), t2.start()
[t1.join(), t2.join()]
self.assertEqual(limiter.get_window_stats(limit)[1], 0)
self.assertTrue(start + 2 <= limiter.get_window_stats(limit)[0] <= start + 3)
self.assertEqual(storage.get(limit.key_for()), 100)
def test_fixed_window_with_elastic_expiry_in_memory(self):
storage = MemoryStorage()
limiter = FixedWindowElasticExpiryRateLimiter(storage)
with hiro.Timeline().freeze() as timeline:
start = int(time.time())
limit = PER_SECOND(10, 2)
self.assertTrue(all([limiter.hit(limit) for _ in range(0,10)]))
timeline.forward(1)
self.assertFalse(limiter.hit(limit))
self.assertEqual(limiter.get_window_stats(limit)[1], 0)
# three extensions to the expiry
self.assertEqual(limiter.get_window_stats(limit)[0], start + 3)
timeline.forward(1)
self.assertFalse(limiter.hit(limit))
timeline.forward(3)
start = int(time.time())
self.assertTrue(limiter.hit(limit))
self.assertEqual(limiter.get_window_stats(limit)[1], 9)
self.assertEqual(limiter.get_window_stats(limit)[0], start + 2)
