def test_invalid_data(self):
"""make_word_list should return [] on invalid data."""
self.assertEqual([], make_word_list(STR["PUNCTUATION"]))
self.assertEqual([], make_word_list(STR["INVALID"]))
def test_valid_data(self):
"""make_word_list should return list with all lowercase
and stripped whitespace."""
for inp, out in STR["VALID"]:
self.assertEqual(out, make_word_list(inp))
def test_empty_data(self):
"""make_word_list should return [] on input ''."""
self.assertEqual([], make_word_list(""))