test_ok1/testing/logging/test_fixture.py

120 lines
3.5 KiB
Python

# -*- coding: utf-8 -*-
import logging
import pytest
logger = logging.getLogger(__name__)
sublogger = logging.getLogger(__name__ + ".baz")
def test_fixture_help(testdir):
result = testdir.runpytest("--fixtures")
result.stdout.fnmatch_lines(["*caplog*"])
def test_change_level(caplog):
caplog.set_level(logging.INFO)
logger.debug("handler DEBUG level")
logger.info("handler INFO level")
caplog.set_level(logging.CRITICAL, logger=sublogger.name)
sublogger.warning("logger WARNING level")
sublogger.critical("logger CRITICAL level")
assert "DEBUG" not in caplog.text
assert "INFO" in caplog.text
assert "WARNING" not in caplog.text
assert "CRITICAL" in caplog.text
def test_change_level_undo(testdir):
"""Ensure that 'set_level' is undone after the end of the test"""
testdir.makepyfile(
"""
import logging
def test1(caplog):
caplog.set_level(logging.INFO)
# using + operator here so fnmatch_lines doesn't match the code in the traceback
logging.info('log from ' + 'test1')
assert 0
def test2(caplog):
# using + operator here so fnmatch_lines doesn't match the code in the traceback
logging.info('log from ' + 'test2')
assert 0
"""
)
result = testdir.runpytest_subprocess()
result.stdout.fnmatch_lines(["*log from test1*", "*2 failed in *"])
assert "log from test2" not in result.stdout.str()
def test_with_statement(caplog):
with caplog.at_level(logging.INFO):
logger.debug("handler DEBUG level")
logger.info("handler INFO level")
with caplog.at_level(logging.CRITICAL, logger=sublogger.name):
sublogger.warning("logger WARNING level")
sublogger.critical("logger CRITICAL level")
assert "DEBUG" not in caplog.text
assert "INFO" in caplog.text
assert "WARNING" not in caplog.text
assert "CRITICAL" in caplog.text
def test_log_access(caplog):
caplog.set_level(logging.INFO)
logger.info("boo %s", "arg")
assert caplog.records[0].levelname == "INFO"
assert caplog.records[0].msg == "boo %s"
assert "boo arg" in caplog.text
def test_record_tuples(caplog):
caplog.set_level(logging.INFO)
logger.info("boo %s", "arg")
assert caplog.record_tuples == [(__name__, logging.INFO, "boo arg")]
def test_unicode(caplog):
caplog.set_level(logging.INFO)
logger.info(u"")
assert caplog.records[0].levelname == "INFO"
assert caplog.records[0].msg == u""
assert u"" in caplog.text
def test_clear(caplog):
caplog.set_level(logging.INFO)
logger.info(u"")
assert len(caplog.records)
assert caplog.text
caplog.clear()
assert not len(caplog.records)
assert not caplog.text
@pytest.fixture
def logging_during_setup_and_teardown(caplog):
caplog.set_level("INFO")
logger.info("a_setup_log")
yield
logger.info("a_teardown_log")
assert [x.message for x in caplog.get_records("teardown")] == ["a_teardown_log"]
def test_caplog_captures_for_all_stages(caplog, logging_during_setup_and_teardown):
assert not caplog.records
assert not caplog.get_records("call")
logger.info("a_call_log")
assert [x.message for x in caplog.get_records("call")] == ["a_call_log"]
assert [x.message for x in caplog.get_records("setup")] == ["a_setup_log"]
# This reachers into private API, don't use this type of thing in real tests!
assert set(caplog._item.catch_log_handlers.keys()) == {"setup", "call"}