def test_find_the_largest_palindromic_substring_brut_force_simple_case(self):
     res = StringOperations.find_the_largest_palindromic_substring_brut_force("testtset")
     self.assertEqual("testtset", res)
 def test_is_palindromic_string_none(self):
     res = StringOperations.is_palindromic_string(None)
     self.assertFalse(res)
 def test_is_palindromic_string_one_symbol(self):
     res = StringOperations.is_palindromic_string("f")
     self.assertTrue(res)
 def test_is_palindromic_string_fails(self):
     res = StringOperations.is_palindromic_string("fsfsdfsggd")
     self.assertFalse(res)
 def test_is_palindromic_string_empty(self):
     res = StringOperations.is_palindromic_string("")
     self.assertFalse(res)
 def test_find_the_largest_palindromic_substring_brut_force_string_without_palindromic_substring(self):
     res = StringOperations.find_the_largest_palindromic_substring_brut_force("abcdefghijklmnopqrstuvwxyz")
     self.assertIsNone(res)
 def test_is_palindromic_string_fails(self):
     res = StringOperations.is_palindromic_string("fsfsdfsggd")
     self.assertFalse(res)
 def test_find_the_largest_palindromic_substring_brut_force_complicated_case(self):
     res = StringOperations.find_the_largest_palindromic_substring_brut_force(
         "sd;glolsd sk alskdghh ;asdkgstesttsetfjalsdhgakjsgupagdfap9weog"
     )
     self.assertEqual("testtset", res)
 def test_find_the_largest_palindromic_substring_brut_force_string_without_palindromic_substring(self):
     res = StringOperations.find_the_largest_palindromic_substring_brut_force("abcdefghijklmnopqrstuvwxyz")
     self.assertIsNone(res)
 def test_find_the_largest_palindromic_substring_brut_force_simple_case(self):
     res = StringOperations.find_the_largest_palindromic_substring_brut_force("testtset")
     self.assertEqual("testtset", res)
 def test_find_the_largest_palindromic_substring_brut_force_none_string(self):
     res = StringOperations.find_the_largest_palindromic_substring_brut_force(None)
     self.assertIsNone(res)
 def test_is_palindromic_string_one_symbol(self):
     res = StringOperations.is_palindromic_string("f")
     self.assertTrue(res)
 def test_is_palindromic_string_none(self):
     res = StringOperations.is_palindromic_string(None)
     self.assertFalse(res)
 def test_is_palindromic_string_empty(self):
     res = StringOperations.is_palindromic_string("")
     self.assertFalse(res)
 def test_find_the_largest_palindromic_substring_brut_force_none_string(self):
     res = StringOperations.find_the_largest_palindromic_substring_brut_force(None)
     self.assertIsNone(res)
 def test_find_the_largest_palindromic_substring_brut_force_one_letter(self):
     res = StringOperations.find_the_largest_palindromic_substring_brut_force("f")
     self.assertEqual("f", res)
 def test_find_the_largest_palindromic_substring_brut_force_complicated_case(self):
     res = StringOperations.find_the_largest_palindromic_substring_brut_force("sd;glolsd sk alskdghh ;asdkgstesttsetfjalsdhgakjsgupagdfap9weog")
     self.assertEqual("testtset", res)
 def test_is_palindromic_string_simple_case(self):
     res = StringOperations.is_palindromic_string("abba")
     self.assertTrue(res)
 def test_find_the_largest_palindromic_substring_brut_force_one_letter(self):
     res = StringOperations.find_the_largest_palindromic_substring_brut_force("f")
     self.assertEqual("f", res)
 def test_is_palindromic_string_simple_case(self):
     res = StringOperations.is_palindromic_string("abba")
     self.assertTrue(res)