[Zope-Checkins] CVS: Zope3/lib/python/Zope/Event/tests - testLogger.py:1.1.2.1

[Chris Withers]

Update of /cvs-repository/Zope3/lib/python/Zope/Event/tests
In directory cvs.zope.org:/tmp/cvs-serv29832/tests

Added Files:
      Tag: Zope-3x-branch
	testLogger.py 
Log Message:
Added Event Logger as a sample (but useful ;-) implementation of ISubscriber.

=== Added File Zope3/lib/python/Zope/Event/tests/testLogger.py ===
##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
# All Rights Reserved.
# 
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
# 
##############################################################################
"""

Revision information:
$Id: testLogger.py,v 1.1.2.1 2002/02/23 19:38:27 chrisw Exp $
"""

import unittest, sys
from Zope.Testing.CleanUp import CleanUp # Base class w registry cleanup

from Zope.Event import subscribe, unsubscribe, publishEvent
from Zope.Event.ObjectEvent import ObjectAddedEvent
from Zope.Event.Logger import Logger

import zLOG
from zLOG import BLATHER, PANIC

class DopeyLogger:

    def __init__(self):
        self.result=[]
        
    def log_write(self, subsystem, severity, summary, detail, error):
        self.result.append((subsystem,severity,summary,detail,error))
        
class TestLogger1(CleanUp,unittest.TestCase):

    eventlogger = Logger()

    def setUp(self):
        # futz a logger in for testing
        self.__old_log_write = zLOG.log_write
        self.logger = DopeyLogger()
        zLOG.log_write = self.logger.log_write
        # register a logger
        subscribe(self.eventlogger)
        # send an event
        publishEvent(ObjectAddedEvent('foo'))

    def tearDown(self):
        #unsubscribe(self.eventlogger)
        zLOG.log_write = self.__old_log_write
        CleanUp.tearDown(self)
        
    def testLogger(self):
        "Test the logger logs appropriately"
        # check the dopey logger
        self.assertEqual(self.logger.result,
                         [
            (
            'Event.Logger',
            BLATHER,
            'Zope.Event.ObjectEvent.ObjectAddedEvent',
            "{'_ObjectAddedEvent__location': 'foo'}\n",
            None,
            )
            ])

class TestLogger2(TestLogger1):

    eventlogger = Logger(PANIC)

    def testLogger(self):
        "Test the logger logs appropriately"
        # check the dopey logger
        self.assertEqual(self.logger.result,
                         [
            (
            'Event.Logger',
            PANIC,
            'Zope.Event.ObjectEvent.ObjectAddedEvent',
            "{'_ObjectAddedEvent__location': 'foo'}\n",
            None,
            )
            ])

def test_suite():
    return unittest.TestSuite((
        unittest.makeSuite(TestLogger1),
        unittest.makeSuite(TestLogger2),
        ))

if __name__=='__main__':
    unittest.main(defaultTest='test_suite')