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# Copyright (C) 2005, 2006 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# "weren't nothing promised to you. do i look like i got a promise face?"
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"""Tests for trace library"""
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from StringIO import StringIO
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from bzrlib.tests import TestCaseInTempDir, TestCase
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from bzrlib.trace import mutter, report_exception
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from bzrlib.errors import NotBranchError
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def _format_exception():
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"""Format an exception as it would normally be displayed to the user"""
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report_exception(sys.exc_info(), buf)
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class TestTrace(TestCase):
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def test_format_sys_exception(self):
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raise NotImplementedError, "time travel"
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except NotImplementedError:
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err = _format_exception()
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self.assertEqualDiff(err.splitlines()[0],
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'bzr: ERROR: exceptions.NotImplementedError: time travel')
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self.assertContainsRe(err,
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r'File.*test_trace.py')
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def test_format_interrupt_exception(self):
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raise KeyboardInterrupt()
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except KeyboardInterrupt:
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# XXX: Some risk that a *real* keyboard interrupt won't be seen
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msg = _format_exception()
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self.assertTrue(len(msg) > 0)
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self.assertEqualDiff(msg, 'bzr: interrupted\n')
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def test_format_os_error(self):
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file('nosuchfile22222')
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except (OSError, IOError):
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msg = _format_exception()
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self.assertContainsRe(msg, r'^bzr: ERROR: \[Errno .*\] No such file.*nosuchfile')
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def test_format_exception(self):
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"""Short formatting of bzr exceptions"""
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raise NotBranchError, 'wibble'
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except NotBranchError:
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msg = _format_exception()
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self.assertTrue(len(msg) > 0)
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self.assertEqualDiff(msg, 'bzr: ERROR: Not a branch: wibble\n')
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def test_trace_unicode(self):
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"""Write Unicode to trace log"""
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self.log(u'the unicode character for benzene is \N{BENZENE RING}')
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self.assertContainsRe('the unicode character',
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def test_report_broken_pipe(self):
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raise IOError(errno.EPIPE, 'broken pipe foofofo')
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msg = _format_exception()
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self.assertEquals(msg, "bzr: broken pipe\n")
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self.fail("expected error not raised")
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def test_mutter_never_fails(self):
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# Even if the decode/encode stage fails, mutter should not
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mutter(u'Writing a greek mu (\xb5) works in a unicode string')
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mutter('But fails in an ascii string \xb5')
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# TODO: jam 20051227 mutter() doesn't flush the log file, and
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# self._get_log() opens the file directly and reads it.
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# So we need to manually flush the log file
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bzrlib.trace._trace_file.flush()
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log = self._get_log()
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self.assertContainsRe(log, 'Writing a greek mu')
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self.assertContainsRe(log, 'UnicodeError')
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self.assertContainsRe(log, "'But fails in an ascii string")
added
removed
bzrlib/tests/test_trace.py
