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##############################################################################
#
# Copyright (c) 2012 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (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.
#
##############################################################################
"""log.Formatter tests.
"""
import unittest
class FormatterTests(unittest.TestCase):
def _getTargetClass(self):
from zope.exceptions.log import Formatter
return Formatter
def _makeOne(self, *args, **kw):
return self._getTargetClass()(*args, **kw)
def test_simple_exception(self):
import traceback
tb = DummyTB()
exc = ValueError('testing')
fmt = self._makeOne()
result = fmt.formatException((ValueError, exc, tb))
lines = result.splitlines()
self.assertEqual(len(lines), 3)
self.assertEqual(lines[0], 'Traceback (most recent call last):')
self.assertEqual(lines[1], ' File "dummy/filename.py", line 14, '
'in dummy_function')
emsg = traceback.format_exception_only(ValueError, exc)[0]
self.assertEqual(lines[2], emsg[:-1]) # strip trailing \n from emsg
def test_unicode_traceback_info(self):
import traceback
__traceback_info__ = u"Have a Snowman: \u2603"
tb = DummyTB()
tb.tb_frame.f_locals['__traceback_info__'] = __traceback_info__
exc = ValueError('testing')
fmt = self._makeOne()
result = fmt.formatException((ValueError, exc, tb))
self.assertIsInstance(result, str)
lines = result.splitlines()
self.assertEqual(len(lines), 4)
self.assertEqual(lines[0], 'Traceback (most recent call last):')
self.assertEqual(lines[1], ' File "dummy/filename.py", line 14, '
'in dummy_function')
expected = ' - __traceback_info__: Have a Snowman: '
# utf-8 encoded on Python 2, unicode on Python 3
expected += '\xe2\x98\x83' if bytes is str else u'\u2603'
self.assertEqual(lines[2], expected)
emsg = traceback.format_exception_only(ValueError, exc)[0]
self.assertEqual(lines[3], emsg[:-1]) # strip trailing \n from emsg
class DummyTB(object):
tb_lineno = 14
tb_next = None
def __init__(self):
self.tb_frame = DummyFrame()
class DummyFrame(object):
f_lineno = 137
f_back = None
def __init__(self):
self.f_locals = {}
self.f_globals = {}
self.f_code = DummyCode()
class DummyCode(object):
co_filename = 'dummy/filename.py'
co_name = 'dummy_function'
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