def test_count_lowercase_vowels_1(self):
'''count an empty string'''
actual = lowercase_vowels.count_lowercase_vowels('')
expected = 0
self.assertEqual(expected, actual)
def test_count_lowercase_vowels_6(self):
'''count a string of mixed vowels and no vowels'''
actual = lowercase_vowels.count_lowercase_vowels('hello')
expected = 2
self.assertEqual(expected, actual)
def test_count_lowercase_vowels_5(self):
'''count a string of all vowels'''
actual = lowercase_vowels.count_lowercase_vowels('aio')
expected = 3
self.assertEqual(expected, actual)
def test_count_lowercase_vowels_4(self):
'''count a string of no vowels'''
actual = lowercase_vowels.count_lowercase_vowels('xyz')
expected = 0
self.assertEqual(expected, actual)
def test_count_lowercase_vowels_3(self):
'''count a single string not vowel'''
actual = lowercase_vowels.count_lowercase_vowels('x')
expected = 0
self.assertEqual(expected, actual)
def test_count_lowercase_vowels_2(self):
'''count an single string vowel'''
actual = lowercase_vowels.count_lowercase_vowels('a')
expected = 1
self.assertEqual(expected, actual)