def testHandleExcept1b(self):
# create a listener that raises an exception:
from lib_pubsub_except_raisinglistener import getRaisingListener
raisingListener = getRaisingListener()
self.pub.subscribe(raisingListener, 'testHandleExcept1b')
# subscribe a good exception listener and validate
# create the listener for uncaught exceptions in listeners:
class UncaughtExcListener:
def __call__(self, listenerStr=None, excTraceback=None):
# verify that information received; first the listenerStr
assert listenerStr.startswith('raisingListener')
# next the traceback:
tb = excTraceback.traceback
self.assertEqual(len(tb), 2)
def validateTB(tbItem,
eFN,
eLine,
eFnN,
assertE=self.assertEqual):
assert tbItem[0].endswith(eFN), '%s !~ %s' % (tbItem[0],
eFN)
assertE(tbItem[1], eLine)
assertE(tbItem[2], eFnN)
validateTB(tb[0], 'lib_pubsub_except_raisinglistener.py', 5,
'raisingListener')
validateTB(tb[1], 'lib_pubsub_except_raisinglistener.py', 4,
'nested')
# next the formatted traceback:
self.assertEqual(len(excTraceback.getFormattedList()),
len(tb) + 1)
# finally the string for formatted traceback:
msg = excTraceback.getFormattedString()
assert msg.startswith(' File')
assert msg.endswith(
"global name 'RuntimeError2' is not defined\n")
from wx.lib.pubsub.utils.exchandling import ExcPublisher
topic = self.pub.getDefaultTopicMgr().getTopic(
ExcPublisher.topicUncaughtExc)
assert not topic.hasListeners()
handler = UncaughtExcListener()
handler.assertEqual = self.assertEqual
self.pub.subscribe(handler, ExcPublisher.topicUncaughtExc)
self.pub.sendMessage('testHandleExcept1b')
# verify that listener isn't stuck in a cyclic reference by sys.exc_info()
del raisingListener
assert not self.pub.getDefaultTopicMgr().getTopic(
'testHandleExcept1b').hasListeners()
def testHandleExcept1a(self):
from wx.lib.pubsub.utils.exchandling import ExcPublisher
excPublisher = ExcPublisher(self.pub.getDefaultTopicMgr() )
self.pub.setListenerExcHandler(excPublisher)
# create a listener that raises an exception:
from lib_pubsub_except_raisinglistener import getRaisingListener
raisingListener = getRaisingListener()
self.pub.setNotificationFlags(all=False)
self.pub.subscribe(raisingListener, 'testHandleExcept1a')
# first test when a listener raises an exception and exception listener also raises!
class BadUncaughtExcListener:
def __call__(self, listenerStr=None, excTraceback=None):
raise RuntimeError('bad exception listener!')
handler = BadUncaughtExcListener()
self.pub.subscribe(handler, ExcPublisher.topicUncaughtExc)
self.assertRaises(self.pub.ExcHandlerError, self.pub.sendMessage,
'testHandleExcept1a')
def testHandleExcept1a(self):
from wx.lib.pubsub.utils.exchandling import ExcPublisher
excPublisher = ExcPublisher(self.pub.getDefaultTopicMgr())
self.pub.setListenerExcHandler(excPublisher)
# create a listener that raises an exception:
from lib_pubsub_except_raisinglistener import getRaisingListener
raisingListener = getRaisingListener()
self.pub.setNotificationFlags(all=False)
self.pub.subscribe(raisingListener, 'testHandleExcept1a')
# first test when a listener raises an exception and exception listener also raises!
class BadUncaughtExcListener:
def __call__(self, listenerStr=None, excTraceback=None):
raise RuntimeError('bad exception listener!')
handler = BadUncaughtExcListener()
self.pub.subscribe(handler, ExcPublisher.topicUncaughtExc)
self.assertRaises(self.pub.ExcHandlerError, self.pub.sendMessage,
'testHandleExcept1a')
def testHandleExcept1b(self):
# create a listener that raises an exception:
from lib_pubsub_except_raisinglistener import getRaisingListener
raisingListener = getRaisingListener()
self.pub.subscribe(raisingListener, 'testHandleExcept1b')
# subscribe a good exception listener and validate
# create the listener for uncaught exceptions in listeners:
class UncaughtExcListener:
def __call__(self, listenerStr=None, excTraceback=None):
# verify that information received; first the listenerStr
assert listenerStr.startswith('raisingListener')
# next the traceback:
tb = excTraceback.traceback
self.assertEqual(len(tb), 2)
def validateTB(tbItem, eFN, eLine, eFnN, assertE=self.assertEqual):
assert tbItem[0].endswith(eFN), '%s !~ %s' % (tbItem[0], eFN)
assertE(tbItem[1], eLine)
assertE(tbItem[2], eFnN)
validateTB(tb[0], 'lib_pubsub_except_raisinglistener.py', 5, 'raisingListener')
validateTB(tb[1], 'lib_pubsub_except_raisinglistener.py', 4, 'nested')
# next the formatted traceback:
self.assertEqual(len(excTraceback.getFormattedList() ), len(tb)+1)
# finally the string for formatted traceback:
msg = excTraceback.getFormattedString()
assert msg.startswith(' File')
assert msg.endswith("global name 'RuntimeError2' is not defined\n")
from wx.lib.pubsub.utils.exchandling import ExcPublisher
topic = self.pub.getTopic(ExcPublisher.topicUncaughtExc)
assert not topic.hasListeners()
handler = UncaughtExcListener()
handler.assertEqual = self.assertEqual
self.pub.subscribe(handler, ExcPublisher.topicUncaughtExc)
self.pub.sendMessage('testHandleExcept1b')
# verify that listener isn't stuck in a cyclic reference by sys.exc_info()
del raisingListener
assert not self.pub.getTopic('testHandleExcept1b').hasListeners()
