Method assertAllRaise

Lib/test/test_fstring.py:33–37

(self, exception_type, regex, error_strings)

class TestCase(unittest.TestCase):
    def assertAllRaise(self, exception_type, regex, error_strings):
        for str in error_strings:
            with self.subTest(str=str):
                with self.assertRaisesRegex(exception_type, regex):
                    eval(str)

    def test__format__lookup(self):
        # Make sure __format__ is looked up on the type, not the instance.