def test_palindrome_case_1(self):
check_string = "abccba"
self.assertTrue(check_palindrome(check_string),
"String {0} must be palindrome".format(check_string))
def test_valid_string(self):
valid_palindrome = 'A man a plan a canal Panama'
self.assertTrue(pc.check_palindrome(valid_palindrome))
def test_not_palindrome_case_4(self):
check_string = "aab"
self.assertFalse(
check_palindrome(check_string),
"String {0} mustn't be palindrome".format(check_string))
def test_invalid_string(self):
invalid_palindrome = 'race a car'
self.assertFalse(pc.check_palindrome(invalid_palindrome))
