interactive-coding-challenges/linked_lists/palindrome/test_palindrome.py
2015-06-30 07:31:34 -04:00

44 lines
1.3 KiB
Python

from nose.tools import assert_equal
class TestPalindrome(object):
def test_palindrome(self):
print('Test: Empty list')
linked_list = MyLinkedList()
assert_equal(linked_list.is_palindrome(), False)
print('Test: Single element list')
head = Node(1)
linked_list = MyLinkedList(head)
assert_equal(linked_list.is_palindrome(), False)
print('Test: Two element list, not a palindrome')
linked_list.append(2)
assert_equal(linked_list.is_palindrome(), False)
print('Test: General case: Palindrome with even length')
head = Node('a')
linked_list = MyLinkedList(head)
linked_list.append('b')
linked_list.append('b')
linked_list.append('a')
assert_equal(linked_list.is_palindrome(), True)
print('Test: General case: Palindrome with odd length')
head = Node(1)
linked_list = MyLinkedList(head)
linked_list.append(2)
linked_list.append(3)
linked_list.append(2)
linked_list.append(1)
assert_equal(linked_list.is_palindrome(), True)
print('Success: test_palindrome')
def main():
test = TestPalindrome()
test.test_palindrome()
if __name__ == '__main__':
main()