def test_accesses_value_and_moves_to_front(self):
"""
Moves a value to the front of the cache if it's
accessed
"""
cache = LRUCache(10, "first")
cache.add_value("second")
cache.add_value("third")
cache.access_value("first")
front_value = cache._front.get_value()
back_value = cache._back.get_value()
self.assertEqual(front_value, "first")
self.assertEqual(back_value, "second")
def test_returns_true_if_value_found(self):
"""
Returns True if the value is found in the cache
"""
cache = LRUCache(100)
cache.add_value("test")
result = cache.access_value("test")
self.assertEqual(result, True)
def test_returns_false_if_value_not_found(self):
"""
Returns False if the value is not found in the
cache
"""
cache = LRUCache(100)
cache.add_value("test")
result = cache.access_value("this value cannot be found")
self.assertEqual(result, False)
