Viewing file: test_syslog.py (4.84 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
# Copyright (c) 2009 Twisted Matrix Laboratories. # See LICENSE for details.
from twisted.trial.unittest import TestCase from twisted.python.failure import Failure
try: import syslog as stdsyslog except ImportError: stdsyslog = None else: from twisted.python import syslog
class SyslogObserverTests(TestCase): """ Tests for L{SyslogObserver} which sends Twisted log events to the syslog. """ events = None
if stdsyslog is None: skip = "syslog is not supported on this platform"
def setUp(self): self.patch(syslog.SyslogObserver, 'openlog', self.openlog) self.patch(syslog.SyslogObserver, 'syslog', self.syslog) self.observer = syslog.SyslogObserver('SyslogObserverTests')
def openlog(self, prefix, options, facility): self.logOpened = (prefix, options, facility) self.events = []
def syslog(self, options, message): self.events.append((options, message))
def test_emitWithoutMessage(self): """ L{SyslogObserver.emit} ignores events with an empty value for the C{'message'} key. """ self.observer.emit({'message': (), 'isError': False, 'system': '-'}) self.assertEqual(self.events, [])
def test_emitCustomPriority(self): """ L{SyslogObserver.emit} uses the value of the C{'syslogPriority'} as the syslog priority, if that key is present in the event dictionary. """ self.observer.emit({ 'message': ('hello, world',), 'isError': False, 'system': '-', 'syslogPriority': stdsyslog.LOG_DEBUG}) self.assertEqual( self.events, [(stdsyslog.LOG_DEBUG, '[-] hello, world')])
def test_emitErrorPriority(self): """ L{SyslogObserver.emit} uses C{LOG_ALERT} if the event represents an error. """ self.observer.emit({ 'message': ('hello, world',), 'isError': True, 'system': '-', 'failure': Failure(Exception("foo"))}) self.assertEqual( self.events, [(stdsyslog.LOG_ALERT, '[-] hello, world')])
def test_emitCustomPriorityOverridesError(self): """ L{SyslogObserver.emit} uses the value of the C{'syslogPriority'} key if it is specified even if the event dictionary represents an error. """ self.observer.emit({ 'message': ('hello, world',), 'isError': True, 'system': '-', 'syslogPriority': stdsyslog.LOG_NOTICE, 'failure': Failure(Exception("bar"))}) self.assertEqual( self.events, [(stdsyslog.LOG_NOTICE, '[-] hello, world')])
def test_emitCustomFacility(self): """ L{SyslogObserver.emit} uses the value of the C{'syslogPriority'} as the syslog priority, if that key is present in the event dictionary. """ self.observer.emit({ 'message': ('hello, world',), 'isError': False, 'system': '-', 'syslogFacility': stdsyslog.LOG_CRON}) self.assertEqual( self.events, [(stdsyslog.LOG_INFO | stdsyslog.LOG_CRON, '[-] hello, world')])
def test_emitCustomSystem(self): """ L{SyslogObserver.emit} uses the value of the C{'system'} key to prefix the logged message. """ self.observer.emit({'message': ('hello, world',), 'isError': False, 'system': 'nonDefaultSystem'}) self.assertEqual( self.events, [(stdsyslog.LOG_INFO, "[nonDefaultSystem] hello, world")])
def test_emitMessage(self): """ L{SyslogObserver.emit} logs the value of the C{'message'} key of the event dictionary it is passed to the syslog. """ self.observer.emit({ 'message': ('hello, world',), 'isError': False, 'system': '-'}) self.assertEqual( self.events, [(stdsyslog.LOG_INFO, "[-] hello, world")])
def test_emitMultilineMessage(self): """ Each line of a multiline message is emitted separately to the syslog. """ self.observer.emit({ 'message': ('hello,\nworld',), 'isError': False, 'system': '-'}) self.assertEqual( self.events, [(stdsyslog.LOG_INFO, '[-] hello,'), (stdsyslog.LOG_INFO, '[-] \tworld')])
def test_emitStripsTrailingEmptyLines(self): """ Trailing empty lines of a multiline message are omitted from the messages sent to the syslog. """ self.observer.emit({ 'message': ('hello,\nworld\n\n',), 'isError': False, 'system': '-'}) self.assertEqual( self.events, [(stdsyslog.LOG_INFO, '[-] hello,'), (stdsyslog.LOG_INFO, '[-] \tworld')])
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