Method test_flat

Lib/test/test_logging.py:197–242

(self)

    """Test builtin levels and their inheritance."""

    def test_flat(self):
        # Logging levels in a flat logger namespace.
        m = self.next_message

        ERR = logging.getLogger("ERR")
        ERR.setLevel(logging.ERROR)
        INF = logging.LoggerAdapter(logging.getLogger("INF"), {})
        INF.setLevel(logging.INFO)
        DEB = logging.getLogger("DEB")
        DEB.setLevel(logging.DEBUG)

        # These should log.
        ERR.log(logging.CRITICAL, m())
        ERR.error(m())

        INF.log(logging.CRITICAL, m())
        INF.error(m())
        INF.warning(m())
        INF.info(m())

        DEB.log(logging.CRITICAL, m())
        DEB.error(m())
        DEB.warning(m())
        DEB.info(m())
        DEB.debug(m())

        # These should not log.
        ERR.warning(m())
        ERR.info(m())
        ERR.debug(m())

        INF.debug(m())

        self.assert_log_lines([
            ('ERR', 'CRITICAL', '1'),
            ('ERR', 'ERROR', '2'),
            ('INF', 'CRITICAL', '3'),
            ('INF', 'ERROR', '4'),
            ('INF', 'WARNING', '5'),
            ('INF', 'INFO', '6'),
            ('DEB', 'CRITICAL', '7'),
            ('DEB', 'ERROR', '8'),
            ('DEB', 'WARNING', '9'),
            ('DEB', 'INFO', '10'),
            ('DEB', 'DEBUG', '11'),
        ])

    def test_nested_explicit(self):
        # Logging levels in a nested namespace, all explicitly set.