/usr/lib/python2.7/dist-packages/celery/tests/app/test_log.py is in python-celery 3.1.20-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import sys
import logging
from collections import defaultdict
from io import StringIO
from tempfile import mktemp
from celery import signals
from celery.app.log import TaskFormatter
from celery.utils.log import LoggingProxy
from celery.utils import uuid
from celery.utils.log import (
get_logger,
ColorFormatter,
logger as base_logger,
get_task_logger,
task_logger,
in_sighandler,
logger_isa,
ensure_process_aware_logger,
)
from celery.tests.case import (
AppCase, Mock, SkipTest,
get_handlers, override_stdouts, patch, wrap_logger, restore_logging,
)
class test_TaskFormatter(AppCase):
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_logger_isa(AppCase):
def test_isa(self):
x = get_task_logger('Z1george')
self.assertTrue(logger_isa(x, task_logger))
prev_x, x.parent = x.parent, None
try:
self.assertFalse(logger_isa(x, task_logger))
finally:
x.parent = prev_x
y = get_task_logger('Z1elaine')
y.parent = x
self.assertTrue(logger_isa(y, task_logger))
self.assertTrue(logger_isa(y, x))
self.assertTrue(logger_isa(y, y))
z = get_task_logger('Z1jerry')
z.parent = y
self.assertTrue(logger_isa(z, task_logger))
self.assertTrue(logger_isa(z, y))
self.assertTrue(logger_isa(z, x))
self.assertTrue(logger_isa(z, z))
def test_recursive(self):
x = get_task_logger('X1foo')
prev, x.parent = x.parent, x
try:
with self.assertRaises(RuntimeError):
logger_isa(x, task_logger)
finally:
x.parent = prev
y = get_task_logger('X2foo')
z = get_task_logger('X2foo')
prev_y, y.parent = y.parent, z
try:
prev_z, z.parent = z.parent, y
try:
with self.assertRaises(RuntimeError):
logger_isa(y, task_logger)
finally:
z.parent = prev_z
finally:
y.parent = prev_y
class test_ColorFormatter(AppCase):
@patch('celery.utils.log.safe_str')
@patch('logging.Formatter.formatException')
def test_formatException_not_string(self, fe, safe_str):
x = ColorFormatter()
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):
x = ColorFormatter()
fe.return_value = 'HELLO'
try:
raise Exception()
except Exception:
self.assertTrue(x.formatException(sys.exc_info()))
if sys.version_info[0] == 2:
self.assertTrue(safe_str.called)
@patch('logging.Formatter.format')
def test_format_object(self, _format):
x = ColorFormatter()
x.use_color = True
record = Mock()
record.levelname = 'ERROR'
record.msg = object()
self.assertTrue(x.format(record))
@patch('celery.utils.log.safe_str')
def test_format_raises(self, safe_str):
x = ColorFormatter()
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_info = 1
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
msg = x.format(record)
self.assertIn('<Unrepresentable', msg)
self.assertEqual(safe_str.call_count, 1)
@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(use_color=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 = self.app.log.setup_logger
self.get_logger = lambda n=None: get_logger(n) if n else logging.root
signals.setup_logging.receivers[:] = []
self.app.log.already_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):
with restore_logging():
self.app.log.setup_logging_subsystem(loglevel=None)
def test_setup_logging_subsystem_misc2(self):
with restore_logging():
self.app.conf.CELERYD_HIJACK_ROOT_LOGGER = True
self.app.log.setup_logging_subsystem()
def test_get_default_logger(self):
self.assertTrue(self.app.log.get_default_logger())
def test_configure_logger(self):
logger = self.app.log.get_default_logger()
self.app.log._configure_logger(logger, sys.stderr, None, '', False)
logger.handlers[:] = []
def test_setup_logging_subsystem_colorize(self):
with restore_logging():
self.app.log.setup_logging_subsystem(colorize=None)
self.app.log.setup_logging_subsystem(colorize=True)
def test_setup_logging_subsystem_no_mputil(self):
from celery.utils import log as logtools
with restore_logging():
mputil, logtools.mputil = logtools.mputil, None
try:
self.app.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):
with restore_logging():
logger = self.setup_logger(loglevel=logging.ERROR, logfile=None,
root=False, colorize=True)
logger.handlers = []
self.app.log.already_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):
with restore_logging():
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())
@patch('os.fstat')
def test_setup_logger_no_handlers_file(self, *args):
tempfile = mktemp(suffix='unittest', prefix='celery')
_open = ('builtins.open' if sys.version_info[0] == 3
else '__builtin__.open')
with patch(_open) as osopen:
with restore_logging():
files = defaultdict(StringIO)
def open_file(filename, *args, **kwargs):
f = files[filename]
f.fileno = Mock()
f.fileno.return_value = 99
return f
osopen.side_effect = open_file
l = self.get_logger()
l.handlers = []
l = self.setup_logger(
logfile=tempfile, loglevel=logging.INFO, root=False,
)
self.assertIsInstance(
get_handlers(l)[0], logging.FileHandler,
)
self.assertIn(tempfile, files)
def test_redirect_stdouts(self):
with restore_logging():
logger = self.setup_logger(loglevel=logging.ERROR, logfile=None,
root=False)
try:
with wrap_logger(logger) as sio:
self.app.log.redirect_stdouts_to_logger(
logger, loglevel=logging.ERROR,
)
logger.error('foo')
self.assertIn('foo', sio.getvalue())
self.app.log.redirect_stdouts_to_logger(
logger, stdout=False, stderr=False,
)
finally:
sys.stdout, sys.stderr = sys.__stdout__, sys.__stderr__
def test_logging_proxy(self):
with restore_logging():
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())
with override_stdouts() as (stdout, stderr):
with in_sighandler():
p.write('foo')
self.assertTrue(stderr.getvalue())
def test_logging_proxy_recurse_protection(self):
with restore_logging():
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()
@self.app.task(shared=False)
def test_task():
pass
self.get_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 self.app.log.setup_task_loggers(*args, **kwargs)
def get_logger(self, *args, **kwargs):
return get_task_logger('test_task_logger')
class test_patch_logger_cls(AppCase):
def test_patches(self):
ensure_process_aware_logger()
with in_sighandler():
logging.getLoggerClass().log(get_logger('test'))
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
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