def test_exists_method(self): linked_list = LinkedList() find_me = {'foo4': 'bar', 'bar': 123} self.assertFalse(linked_list.exists(find_me)) linked_list.insert(find_me) self.assertTrue(linked_list.exists(find_me))
def test_deleting_an_item(self): linked_list = LinkedList() jane = Student("Doe", "Jane", "123-123-1234", "*****@*****.**", 23) john = Student("Doe", "John", "223-123-1234", "*****@*****.**", 23) jake = Student("Doe", "Jake", "323-123-1234", "*****@*****.**", 23) dummy_john = StudentFactory.create_dummy_from_ssn("223-123-1234") self.assertFalse(linked_list.delete(dummy_john)) self.assertTrue(linked_list.insert(jane)) self.assertTrue(linked_list.insert(john)) self.assertTrue(linked_list.insert(jake)) # return self.assertEqual(3, linked_list.size()) self.assertTrue(linked_list.delete(dummy_john)) self.assertFalse(linked_list.exists(dummy_john)) self.assertEqual(2, linked_list.size())
def test_finding_an_existing_element(self): linked_list = LinkedList() the_item = {'foo': 'bar'} self.assertFalse(linked_list.exists(the_item)) linked_list.insert(the_item) self.assertTrue(linked_list.exists(the_item))