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# -*- coding: utf-8 -*-
# Copyright 2010 Jaap Karssenberg <jaap.karssenberg@gmail.com>
from __future__ import with_statement
import tests
import logging
import zim.errors
from zim.gui.widgets import ErrorDialog
class StubError(zim.errors.Error):
description = '''\
Some description
here
'''
def __init__(self, i):
self.msg = 'Error %i' % i
class TestErrors(tests.TestCase):
def runTest(self):
'''Check base class for errors'''
wanted = '''\
Error 6
Some description
here
'''
self.assertEqual(str(StubError(6)), wanted)
self.assertEqual(unicode(StubError(6)), wanted)
self.assertEqual(repr(StubError(6)), '<StubError: Error 6>')
class CatchAllLogging(tests.LoggingFilter):
def __init__(self):
tests.LoggingFilter.__init__(self)
self.records = []
def filter(self, record):
self.records.append(record)
return False
class TestExceptionHandler(tests.TestCase):
def setUp(self):
logger = logging.getLogger('zim')
self.oldlevel = logger.getEffectiveLevel()
logger.setLevel(logging.DEBUG)
def tearDown(self):
logger = logging.getLogger('zim')
logger.setLevel(self.oldlevel)
def testExceptionHandlerWithGtk(self):
def error_dialog_with_trace(dialog):
self.assertIsInstance(dialog, ErrorDialog)
self.assertTrue(dialog.showing_trace)
def error_dialog_without_trace(dialog):
self.assertIsInstance(dialog, ErrorDialog)
self.assertFalse(dialog.showing_trace)
zim.errors.set_use_gtk(True)
try:
self.assertTrue(zim.errors.use_gtk_errordialog)
with tests.DialogContext(
error_dialog_with_trace,
error_dialog_with_trace,
error_dialog_without_trace,
error_dialog_without_trace,
):
with tests.LoggingFilter(
logger='zim.gui',
message='Running ErrorDialog'
):
self.testExceptionHandler()
except:
zim.errors.set_use_gtk(False)
raise
else:
zim.errors.set_use_gtk(False)
self.assertFalse(zim.errors.use_gtk_errordialog)
def testExceptionHandler(self):
## Handle unexpected error or bug
try:
raise AssertionError, 'My AssertionError'
except:
myfilter = CatchAllLogging()
with myfilter:
zim.errors.exception_handler('Test Error')
records = myfilter.records
# Should log one error message with traceback
self.assertEqual(len(records), 1)
self.assertEqual(records[0].getMessage(), 'Test Error')
self.assertEqual(records[0].levelno, logging.ERROR)
self.assertIsNotNone(records[0].exc_info)
else:
assert False
## Show caught bug
try:
raise AssertionError, 'My AssertionError'
except Exception, error:
myfilter = CatchAllLogging()
with myfilter:
zim.errors.show_error(error)
records = myfilter.records
# Should log one error message with traceback
self.assertEqual(len(records), 1)
self.assertEqual(records[0].getMessage(), 'Looks like you found a bug')
self.assertEqual(records[0].levelno, logging.ERROR)
self.assertIsNotNone(records[0].exc_info)
else:
assert False
## Handle normal application error
try:
raise zim.errors.Error('My normal Error')
except:
myfilter = CatchAllLogging()
with myfilter:
zim.errors.exception_handler('Test Error')
records = myfilter.records
# Should log a debug message with traceback
# and user error message without traceback
self.assertEqual(len(records), 2)
self.assertEqual(records[0].getMessage(), 'Test Error')
self.assertEqual(records[0].levelno, logging.DEBUG)
self.assertIsNotNone(records[0].exc_info)
self.assertEqual(records[1].getMessage(), 'My normal Error')
self.assertEqual(records[1].levelno, logging.ERROR)
self.assertIsNone(records[1].exc_info)
else:
assert False
## Handle normal IOError
try:
open('/some/non/existing/file/').read()
except:
myfilter = CatchAllLogging()
with myfilter:
zim.errors.exception_handler('Test IOError')
records = myfilter.records
# Should log a debug message with traceback
# and user error message without traceback
self.assertEqual(len(records), 2)
self.assertEqual(records[0].getMessage(), 'Test IOError')
self.assertEqual(records[0].levelno, logging.DEBUG)
self.assertIsNotNone(records[0].exc_info)
self.assertIn('/some/non/existing/file/', records[1].getMessage())
# do not test exact message - could be localized
self.assertEqual(records[1].levelno, logging.ERROR)
self.assertIsNone(records[1].exc_info)
else:
assert False
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