def test_can_forward_exception_info(self):
        exc_msg = 'something went wrong'
        with LogCapture() as l_:
            log = get_logger('bar')
            wrapped_log = ForwardingLogger(forward_to=log, forward_prefix='[FOO] ')
            try:
                raise ValueError(exc_msg)
            except ValueError:
                wrapped_log.exception('caught error')

        l_.check(('bar', 'ERROR', '[FOO] caught error'),)
        lr, = l_.records
        logged_text = LogFormatter('%(message)s').format(lr)
        assert_true(logged_text.startswith('[FOO] caught error'))
        assert_contains('Traceback (most recent call last)', logged_text)
        assert_contains('ValueError: ' + exc_msg, logged_text)