def test_memory(self):
print('\nTest Memory Mode')
live_objects.clear()
lru_cache = LruCache(constraint=50)
for i in range(8):
lru_cache.add(ObjMemory(i))
self.assertEqual(len(lru_cache), 8)
self.assertEqual(lru_cache.size(), 4*(5+10))
print(lru_cache)
lru_cache.recycle()
print(lru_cache)
self.assertEqual(len(lru_cache), 7)
self.assertEqual(lru_cache.size(), lru_cache.constraint)
for i in 0,:
self.assertTrue(i not in live_objects)
def test_history(self):
print('\nTest History Mode')
live_objects.clear()
lru_cache = LruCache(constraint=5)
for i in range(5):
lru_cache.add(Obj(i))
self.assertEqual(len(lru_cache), 5)
print(lru_cache)
obj = lru_cache.acquire(6)
self.assertIsNone(obj)
obj1 = lru_cache.acquire(1)
print(lru_cache)
self.assertEqual(obj1.key(), 1)
self.assertEqual(lru_cache._younger._obj, obj1)
self.assertEqual(lru_cache._younger._reference_counter, 1)
obj3 = lru_cache.acquire(3)
print(lru_cache)
self.assertEqual(obj3.key(), 3)
self.assertEqual(lru_cache._younger._obj, obj3)
self.assertEqual(lru_cache._younger._reference_counter, 1)
cache_element = lru_cache._cache_dict[1]
obj11 = lru_cache.acquire(1)
print(lru_cache)
self.assertEqual(cache_element._reference_counter, 2)
lru_cache.release(1)
del obj11
print(lru_cache)
self.assertEqual(cache_element._reference_counter, 1)
del cache_element
for i in range(5, 10):
lru_cache.add(Obj(i))
print(lru_cache)
self.assertEqual(len(lru_cache), 10)
objs = {}
for i in 9, 8, 7, 6:
objs[i] = lru_cache.acquire(i)
print(lru_cache)
lru_cache.recycle()
print(lru_cache)
self.assertEqual(len(lru_cache), 6)
for i in 0, 2, 4, 5:
self.assertTrue(i not in live_objects)
for i in 6, 7:
lru_cache.release(i)
del objs[i]
print(lru_cache)
lru_cache.recycle()
print(lru_cache)
self.assertEqual(len(lru_cache), 5)
for i in 7,:
self.assertTrue(i not in live_objects)
print("Cleanup")
print(objs)
del objs
del obj1
del obj3
lru_cache.reset()
print(lru_cache)
self.assertEqual(len(live_objects), 0)