tdd_exercise.py

from unittest import TestCase

from utility_class import UtilityClass

class TestUtilityClass(TestCase):

    def test_reverse_list(self):
        result = UtilityClass.reverse_list([1, 2, 3, 4, 5])
        self.assertEqual([5, 4, 3, 2, 1], result)

    def test_reverse_string(self):
        result = UtilityClass.reverse_string('Rodrigo')
        self.assertEqual('ogirdoR', result)

    def test_is_english_vowel(self):
        self.assertTrue(UtilityClass.is_english_vowel('a'))
        self.assertTrue(UtilityClass.is_english_vowel('e'))
        self.assertTrue(UtilityClass.is_english_vowel('i'))
        self.assertTrue(UtilityClass.is_english_vowel('o'))
        self.assertTrue(UtilityClass.is_english_vowel('u'))
        self.assertTrue(UtilityClass.is_english_vowel('y'))
        self.assertTrue(UtilityClass.is_english_vowel('A'))
        self.assertTrue(UtilityClass.is_english_vowel('E'))
        self.assertTrue(UtilityClass.is_english_vowel('I'))
        self.assertTrue(UtilityClass.is_english_vowel('O'))
        self.assertTrue(UtilityClass.is_english_vowel('U'))
        self.assertTrue(UtilityClass.is_english_vowel('Y'))

        self.assertFalse(UtilityClass.is_english_vowel('k'))
        self.assertFalse(UtilityClass.is_english_vowel('z'))
        self.assertFalse(UtilityClass.is_english_vowel(23))

    def test_num_vowels(self):
        self.assertEqual(4, UtilityClass.count_num_vowels('Hey ho lets go!'))
        self.assertEqual(4, UtilityClass.count_num_vowels('HEY ho LETS GO!'))
        self.assertEqual(15, UtilityClass.count_num_vowels('This is another example, more bigger, lets see'))