Better-Python-59-Ways/item_56_test_utils.py at master · SigmaQuan/Better-Python-59-Ways · GitHub

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# utils_test.py
from unittest import TestCase, main
from item_56_utils import to_str
from tempfile import TemporaryDirectory


class UtilsTestCase(TestCase):
    def test_to_str_bytes(self):
        self.assertEqual('hello', to_str(b'hello'))

    def test_to_str_str(self):
        self.assertEqual('hello', to_str('hello'))

    def test_to_str_bad(self):
        self.assertRaises(TypeError, to_str, object())


class MyTest(TestCase):
    def setUp(self):
        self.test_dir = TemporaryDirectory()

    def tearDown(self):
        self.test_dir.cleanup()

    def test_to_str_bytes(self):
        self.assertEqual('hello', to_str(b'hello'))

    def test_to_str_str(self):
        self.assertEqual('hello', to_str('hello'))

    def test_to_str_bad(self):
        self.assertRaises(TypeError, to_str, object())


if __name__ == '__main__':
    main()