Method setUp

Lib/test/test_codecs.py:3146–3158

(self)

class ExceptionNotesTest(unittest.TestCase):

    def setUp(self):
        self.codec_name = 'exception_notes_test'
        codecs.register(_get_test_codec)
        self.addCleanup(codecs.unregister, _get_test_codec)

        # We store the object to raise on the instance because of a bad
        # interaction between the codec caching (which means we can't
        # recreate the codec entry) and regrtest refleak hunting (which
        # runs the same test instance multiple times). This means we
        # need to ensure the codecs call back in to the instance to find
        # out which exception to raise rather than binding them in a
        # closure to an object that may change on the next run
        self.obj_to_raise = RuntimeError

    def tearDown(self):
        _TEST_CODECS.pop(self.codec_name, None)