def test_reset(self):
cache = LRUCache(2)
cache.put(1, 'One')
cache.put(2, 'Two')
cache.reset()
result = len(cache.cache)
self.assertEqual(result, 0, 'Reset test Passed')
def test_get(self):
lru = LRUCache(3)
self._put(lru)
assert lru.get(1) == 10
assert lru.get(2) == 20
lru.put(1, 30)
assert lru.get(1) == 30
def test_delete(self):
cache = LRUCache(2)
cache.put(1, 'One')
cache.put(2, 'Two')
cache._del(1)
result = len(cache.cache)
self.assertEqual(result, cache.capacity - 1, 'Delete test Passed')
def test_maximum_capacity(self):
cache = LRUCache(2)
cache.put(1, 1)
cache.put(2, 2)
cache.get(1)
cache.put(2, 4)
cache.put(3, 3)
result = len(cache.cache)
self.assertEqual(result, cache.capacity,
'Maximum capacity not exceeded test Passed')
def test_least_recent(self):
cache = LRUCache(2)
cache.put(1, 1)
cache.put(2, 2)
cache.get(1)
cache.put(2, 4)
cache.put(3, 3)
result = 1 not in cache.keys
self.assertEqual(result, True,
'Least Recently used memory removal test Passed')
def test_update(self):
cache = LRUCache(2)
cache.put(1, 'One')
cache.put(1, 'Two')
result = cache.get(1)
self.assertEqual(result, 'Two', 'Update test Passed')
def test_put(self):
cache = LRUCache(2)
cache.put(1, 'One')
result = len(cache.cache)
self.assertEqual(result, 1, 'Put test Passed')
def test_get(self):
cache = LRUCache(2)
cache.put(1, 'One')
result = cache.get(1)
self.assertEqual(result, 'One', 'Get test Passed')
from LRU import LRUCache ''' This code creates the cache memory and executes some of the methods for demonstration purpose ''' cache = LRUCache(2) cache.put(1, 1) cache.put(2, 2) cache.get(1) cache.put(3, 3) cache._print() cache.get(2) cache.put(4, 4) cache._print() cache.get(3) cache.get(4) cache.get(2) cache._del(4) cache._print() cache.get(4) cache.reset() cache._print() cache.get(1)
def test_put(self):
lru = LRUCache(3)
self._put(lru)
lru.put(1, 54)
assert lru.get(1) == 54
assert lru.get(2) == 20
