def test_swap_vowels_two_different_vowels(self):
str_value = "What's up?"
str_swapped = swap_vowels(str_value)
self.assertTrue(str_swapped == "Whut's ap?")
def test_swap_vowels(self):
str_value = "I am a doctor here, OK?"
str_swapped = swap_vowels(str_value)
self.assertTrue(str_swapped == "O em e doctor hara, IK?")
def test_swap_vowels_two_same_vowels(self):
str_value = "What's app?"
str_swapped = swap_vowels(str_value)
self.assertTrue(str_swapped == "What's app?")
def test_swap_vowels_single_vowel(self):
str_value = "What?"
self.assertTrue(swap_vowels(str_value) == str_value)
def test_swap_vowels_single_char(self):
str_value = "A"
self.assertTrue(swap_vowels(str_value) == str_value)
def test_swap_vowels_empty(self):
str_value = " "
self.assertTrue(swap_vowels(str_value) == str_value)
def test_swap_vowels_none(self):
self.assertTrue(swap_vowels(None) is None)