def test_count_vowels_with_none_value(self):
given_answer = count_vowels(None)
expected_value = {'a': 0, 'e': 1, 'i': 0, 'o': 1, 'u': 0}, 2
self.assertEqual(expected_value, given_answer)
def test_count_vowels_with_long_string(self):
given_answer = count_vowels(
'Lorem ipsum dolor sit amet, consectetur adipiscing elit')
expected_value = {'a': 2, 'e': 5, 'i': 6, 'o': 4, 'u': 2}, 19
self.assertEqual(expected_value, given_answer)
def test_count_vowels_with_string_with_one_vowel(self):
given_answer = count_vowels('string')
expected_value = {'a': 0, 'e': 0, 'i': 1, 'o': 0, 'u': 0}, 1
self.assertEqual(expected_value, given_answer)
def test_count_vowels_with_all_vowels(self):
given_answer = count_vowels('aeiou')
expected_value = {'a': 1, 'e': 1, 'i': 1, 'o': 1, 'u': 1}, 5
self.assertEqual(expected_value, given_answer)
def test_count_vowels_with_empty_vowel_string(self):
given_answer = count_vowels('1234567890')
expected_value = {'a': 0, 'e': 0, 'i': 0, 'o': 0, 'u': 0}, 0
self.assertEqual(expected_value, given_answer)