Method test_logrecord_exc_info

tests/test_stdlib.py:1445–1495

LogRecord.exc_info is set consistently for structlog and non-structlog log records.

(self)

            logger.info("baz")

    def test_logrecord_exc_info(self):
        """
        LogRecord.exc_info is set consistently for structlog and non-structlog
        log records.
        """
        configure_logging(None)

        # This doesn't test ProcessorFormatter itself directly, but it's
        # relevant to setups where ProcessorFormatter is used, i.e. where
        # handlers will receive LogRecord objects that come from both structlog
        # and non-structlog loggers.

        records: dict[str, logging.LogRecord] = {}

        class DummyHandler(logging.Handler):
            def emit(self, record):
                # Don't do anything; just store the record in the records dict
                # by its message, so we can assert things about it.
                if isinstance(record.msg, dict):
                    records[record.msg["event"]] = record
                else:
                    records[record.msg] = record

        stdlib_logger = logging.getLogger()
        structlog_logger = get_logger()

        # It doesn't matter which logger we add the handler to here.
        stdlib_logger.addHandler(DummyHandler())

        try:
            raise Exception("foo")
        except Exception:
            stdlib_logger.exception("bar")
            structlog_logger.exception("baz")

        stdlib_record = records.pop("bar")

        assert "bar" == stdlib_record.msg
        assert stdlib_record.exc_info
        assert Exception is stdlib_record.exc_info[0]
        assert ("foo",) == stdlib_record.exc_info[1].args

        structlog_record = records.pop("baz")

        assert "baz" == structlog_record.msg["event"]
        assert True is structlog_record.msg["exc_info"]
        assert structlog_record.exc_info
        assert Exception is structlog_record.exc_info[0]
        assert ("foo",) == structlog_record.exc_info[1].args

        assert not records

    def test_use_get_message_false(self):
        """