def test_delete_3(self):
""" Test Case: To check for multiple delete functionality for one value """
lru = LRU(1)
lru.put("1", 1)
lru.delete("1")
self.assertRaises(KeyError, lru.get, "1")
self.assertRaises(KeyError, lru.delete, "1")
def test_delete_2(self):
""" Test Case: To check for delete functionality for one value """
lru = LRU(15)
lru.put("1", 1)
lru.put("2", 2)
lru.put("3", 3)
lru.put("4", 4)
lru.put("5", 5)
lru.delete("5")
self.assertRaises(KeyError, lru.get, "5")
self.assertEqual(lru.get("3"), 3, "should be 3")
def test_delete_1(self):
""" Test Case: To check for delete functionality for different scnearios """
lru = LRU(5)
lru.put("1", 1)
lru.put("2", 2)
lru.put("3", 3)
lru.put("4", 4)
lru.put("5", 5)
lru.delete("5")
self.assertRaises(KeyError, lru.get, "5")
self.assertEqual(lru.get("4"), 4, "should be 4")
self.assertEqual(lru.get("3"), 3, "should be 3")
lru.delete("3")
self.assertRaises(KeyError, lru.get, "3")
lru.delete("1")
self.assertRaises(KeyError, lru.get, "1")
self.assertEqual(lru.get("2"), 2, "should be 2")