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# Copyright (C) 2005, 2006 by Canonical Ltd
# Authors: Robert Collins <robert.collins@canonical.com>
# Martin Pool
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# "weren't nothing promised to you. do i look like i got a promise face?"
"""Tests for trace library"""
import os
import sys
from StringIO import StringIO
from bzrlib.tests import TestCaseInTempDir, TestCase
from bzrlib.trace import mutter, report_exception
from bzrlib.errors import NotBranchError
def _format_exception():
"""Format an exception as it would normally be displayed to the user"""
buf = StringIO()
report_exception(sys.exc_info(), buf)
return buf.getvalue()
class TestTrace(TestCase):
def test_format_sys_exception(self):
try:
raise NotImplementedError, "time travel"
except NotImplementedError:
pass
err = _format_exception()
self.assertEqualDiff(err.splitlines()[0],
'bzr: ERROR: exceptions.NotImplementedError: time travel')
self.assertContainsRe(err,
r'File.*test_trace.py')
def test_format_interrupt_exception(self):
try:
raise KeyboardInterrupt()
except KeyboardInterrupt:
# XXX: Some risk that a *real* keyboard interrupt won't be seen
pass
msg = _format_exception()
self.assertTrue(len(msg) > 0)
self.assertEqualDiff(msg, 'bzr: interrupted\n')
def test_format_os_error(self):
try:
file('nosuchfile22222')
except (OSError, IOError):
pass
msg = _format_exception()
self.assertContainsRe(msg, r'^bzr: ERROR: \[Errno .*\] No such file.*nosuchfile')
def test_format_exception(self):
"""Short formatting of bzr exceptions"""
try:
raise NotBranchError, 'wibble'
except NotBranchError:
pass
msg = _format_exception()
self.assertTrue(len(msg) > 0)
self.assertEqualDiff(msg, 'bzr: ERROR: Not a branch: wibble\n')
def test_trace_unicode(self):
"""Write Unicode to trace log"""
self.log(u'the unicode character for benzene is \N{BENZENE RING}')
self.assertContainsRe('the unicode character',
self._get_log())
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