def test_miss_getting_old_items(self):
instance = LRUCache(3, 1) # 1 millisecond lifetime for cache items
instance.set(self.__test_url, self.__test_data)
cache_size = instance.size()
sleep(2) # wait 2 seconds
result = instance.get(self.__test_url)
self.assertFalse(result)
self.assertEqual(cache_size - 1, instance.size())
def test_miss_getting_old_items(self):
instance = LRUCache(3, 1) # 1 millisecond lifetime for cache items
instance.set(self.__test_url, self.__test_data)
cache_size = instance.size()
sleep(2) # wait 2 seconds
result = instance.get(self.__test_url)
self.assertFalse(result)
self.assertEqual(cache_size - 1, instance.size())
def test_set_cache_item(self):
instance = LRUCache(3, 1000 * 60 * 60) # 1 hour lifetime for items
cache_size = instance.size()
ref_to_original_set = LRUCache.set
instance.set(self.__test_url, self.__test_data)
LRUCache.set = ref_to_original_set
self.assertEqual(cache_size + 1, instance.size())
result = instance.get(self.__test_url)
self.assertEqual(self.__test_data, result)
def test_set_cache_item(self):
instance = LRUCache(3, 1000 * 60 * 60) # 1 hour lifetime for items
cache_size = instance.size()
ref_to_original_set = LRUCache.set
instance.set(self.__test_url, self.__test_data)
LRUCache.set = ref_to_original_set
self.assertEqual(cache_size + 1, instance.size())
result = instance.get(self.__test_url)
self.assertEqual(self.__test_data, result)
def test_hit_when_getting_freshly_inserted_items(self):
instance = LRUCache(3, 1000 * 60 * 60) # 1 hour lifetime for items
instance.set(self.__test_url, self.__test_data)
result = instance.get(self.__test_url)
self.assertEqual(self.__test_data, result)
def test_hit_when_getting_freshly_inserted_items(self):
instance = LRUCache(3, 1000 * 60 * 60) # 1 hour lifetime for items
instance.set(self.__test_url, self.__test_data)
result = instance.get(self.__test_url)
self.assertEqual(self.__test_data, result)
