forked from celery/celery
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test_log.py
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test_log.py
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from __future__ import absolute_import
from __future__ import with_statement
import sys
import logging
from tempfile import mktemp
from mock import patch, Mock
from nose import SkipTest
from celery import current_app
from celery import signals
from celery.app.log import Logging, TaskFormatter
from celery.utils.log import LoggingProxy
from celery.utils import uuid
from celery.utils.log import (
get_logger,
ColorFormatter,
logger as base_logger,
)
from celery.tests.utils import (
AppCase, Case, override_stdouts, wrap_logger, get_handlers,
)
log = current_app.log
class test_TaskFormatter(Case):
def test_no_task(self):
class Record(object):
msg = "hello world"
levelname = "info"
exc_text = exc_info = None
stack_info = None
def getMessage(self):
return self.msg
record = Record()
x = TaskFormatter()
x.format(record)
self.assertEqual(record.task_name, "???")
self.assertEqual(record.task_id, "???")
class test_ColorFormatter(Case):
@patch("celery.utils.log.safe_str")
@patch("logging.Formatter.formatException")
def test_formatException_not_string(self, fe, safe_str):
x = ColorFormatter("HELLO")
value = KeyError()
fe.return_value = value
self.assertIs(x.formatException(value), value)
self.assertTrue(fe.called)
self.assertFalse(safe_str.called)
@patch("logging.Formatter.formatException")
@patch("celery.utils.log.safe_str")
def test_formatException_string(self, safe_str, fe, value="HELLO"):
x = ColorFormatter(value)
fe.return_value = value
self.assertTrue(x.formatException(value))
if sys.version_info[0] == 2:
self.assertTrue(safe_str.called)
@patch("celery.utils.log.safe_str")
def test_format_raises(self, safe_str):
x = ColorFormatter("HELLO")
def on_safe_str(s):
try:
raise ValueError("foo")
finally:
safe_str.side_effect = None
safe_str.side_effect = on_safe_str
class Record(object):
levelname = "ERROR"
msg = "HELLO"
exc_text = "error text"
stack_info = None
def __str__(self):
return on_safe_str("")
def getMessage(self):
return self.msg
record = Record()
safe_str.return_value = record
x.format(record)
self.assertIn("<Unrepresentable", record.msg)
self.assertEqual(safe_str.call_count, 2)
@patch("celery.utils.log.safe_str")
def test_format_raises_no_color(self, safe_str):
if sys.version_info[0] == 3:
raise SkipTest("py3k")
x = ColorFormatter("HELLO", False)
record = Mock()
record.levelname = "ERROR"
record.msg = "HELLO"
record.exc_text = "error text"
x.format(record)
self.assertEqual(safe_str.call_count, 1)
class test_default_logger(AppCase):
def setup(self):
self.setup_logger = log.setup_logger
self.get_logger = lambda n=None: get_logger(n) if n else logging.root
signals.setup_logging.receivers[:] = []
Logging._setup = False
def test_get_logger_sets_parent(self):
logger = get_logger("celery.test_get_logger")
self.assertEqual(logger.parent.name, base_logger.name)
def test_get_logger_root(self):
logger = get_logger(base_logger.name)
self.assertIs(logger.parent, logging.root)
def test_setup_logging_subsystem_misc(self):
log.setup_logging_subsystem(loglevel=None)
self.app.conf.CELERYD_HIJACK_ROOT_LOGGER = True
try:
log.setup_logging_subsystem()
finally:
self.app.conf.CELERYD_HIJACK_ROOT_LOGGER = False
def test_setup_logging_subsystem_colorize(self):
log.setup_logging_subsystem(colorize=None)
log.setup_logging_subsystem(colorize=True)
def test_setup_logging_subsystem_no_mputil(self):
from celery.utils import log as logtools
mputil, logtools.mputil = logtools.mputil, None
try:
log.setup_logging_subsystem()
finally:
logtools.mputil = mputil
def _assertLog(self, logger, logmsg, loglevel=logging.ERROR):
with wrap_logger(logger, loglevel=loglevel) as sio:
logger.log(loglevel, logmsg)
return sio.getvalue().strip()
def assertDidLogTrue(self, logger, logmsg, reason, loglevel=None):
val = self._assertLog(logger, logmsg, loglevel=loglevel)
return self.assertEqual(val, logmsg, reason)
def assertDidLogFalse(self, logger, logmsg, reason, loglevel=None):
val = self._assertLog(logger, logmsg, loglevel=loglevel)
return self.assertFalse(val, reason)
def test_setup_logger(self):
logger = self.setup_logger(loglevel=logging.ERROR, logfile=None,
root=False, colorize=True)
logger.handlers = []
Logging._setup = False
logger = self.setup_logger(loglevel=logging.ERROR, logfile=None,
root=False, colorize=None)
self.assertIs(get_handlers(logger)[0].stream, sys.__stderr__,
"setup_logger logs to stderr without logfile argument.")
def test_setup_logger_no_handlers_stream(self):
l = self.get_logger()
l.handlers = []
with override_stdouts() as outs:
stdout, stderr = outs
l = self.setup_logger(logfile=sys.stderr, loglevel=logging.INFO,
root=False)
l.info("The quick brown fox...")
self.assertIn("The quick brown fox...", stderr.getvalue())
def test_setup_logger_no_handlers_file(self):
l = self.get_logger()
l.handlers = []
tempfile = mktemp(suffix="unittest", prefix="celery")
l = self.setup_logger(logfile=tempfile, loglevel=0, root=False)
self.assertIsInstance(get_handlers(l)[0],
logging.FileHandler)
def test_redirect_stdouts(self):
logger = self.setup_logger(loglevel=logging.ERROR, logfile=None,
root=False)
try:
with wrap_logger(logger) as sio:
log.redirect_stdouts_to_logger(logger, loglevel=logging.ERROR)
logger.error("foo")
self.assertIn("foo", sio.getvalue())
log.redirect_stdouts_to_logger(logger, stdout=False,
stderr=False)
finally:
sys.stdout, sys.stderr = sys.__stdout__, sys.__stderr__
def test_logging_proxy(self):
logger = self.setup_logger(loglevel=logging.ERROR, logfile=None,
root=False)
with wrap_logger(logger) as sio:
p = LoggingProxy(logger, loglevel=logging.ERROR)
p.close()
p.write("foo")
self.assertNotIn("foo", sio.getvalue())
p.closed = False
p.write("foo")
self.assertIn("foo", sio.getvalue())
lines = ["baz", "xuzzy"]
p.writelines(lines)
for line in lines:
self.assertIn(line, sio.getvalue())
p.flush()
p.close()
self.assertFalse(p.isatty())
self.assertIsNone(p.fileno())
def test_logging_proxy_recurse_protection(self):
logger = self.setup_logger(loglevel=logging.ERROR, logfile=None,
root=False)
p = LoggingProxy(logger, loglevel=logging.ERROR)
p._thread.recurse_protection = True
try:
self.assertIsNone(p.write("FOOFO"))
finally:
p._thread.recurse_protection = False
class test_task_logger(test_default_logger):
def setup(self):
logger = self.logger = get_logger("celery.task")
logger.handlers = []
logging.root.manager.loggerDict.pop(logger.name, None)
self.uid = uuid()
@current_app.task
def test_task():
pass
test_task.logger.handlers = []
self.task = test_task
from celery.state import _task_stack
_task_stack.push(test_task)
def tearDown(self):
from celery.state import _task_stack
_task_stack.pop()
def setup_logger(self, *args, **kwargs):
return log.setup_task_loggers(*args, **kwargs)
def get_logger(self, *args, **kwargs):
return self.task.logger
class MockLogger(logging.Logger):
_records = None
def __init__(self, *args, **kwargs):
self._records = []
logging.Logger.__init__(self, *args, **kwargs)
def handle(self, record):
self._records.append(record)
def isEnabledFor(self, level):
return True