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from cStringIO import StringIO
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from bzrlib import (
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from bzrlib.tests import TestCaseInTempDir, TestCase
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from bzrlib.tests import features, TestCaseInTempDir, TestCase
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from bzrlib.trace import (
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mutter, mutter_callsite, report_exception,
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set_verbosity_level, get_verbosity_level, is_quiet, is_verbose, be_quiet,
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_rollover_trace_maybe,
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msg = _format_exception()
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self.assertEquals(msg,
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"bzr: out of memory\n")
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"bzr: out of memory\nUse -Dmem_dump to dump memory to a file.\n")
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def test_format_mem_dump(self):
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self.requireFeature(features.meliae)
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debug.debug_flags.add('mem_dump')
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msg = _format_exception()
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self.assertStartsWith(msg,
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"bzr: out of memory\nMemory dumped to ")
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def test_format_os_error(self):
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msg = _format_exception()
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# Even though Windows and Linux differ for 'os.rmdir', they both give
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# 'No such file' for open()
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self.assertContainsRe(msg,
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r'^bzr: ERROR: \[Errno .*\] No such file.*nosuchfile')
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# However it now gets translated so we can not test for a specific message
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self.assertContainsRe(msg,
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r'^bzr: ERROR: \[Errno .*\] .*nosuchfile')
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def test_format_pywintypes_error(self):
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self.requireFeature(features.pywintypes)
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import pywintypes, win32file
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win32file.RemoveDirectory('nosuchfile22222')
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except pywintypes.error:
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msg = _format_exception()
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# GZ 2010-05-03: Formatting for pywintypes.error is basic, a 3-tuple
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# with errno, function name, and locale error message
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self.assertContainsRe(msg,
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r"^bzr: ERROR: \(2, 'RemoveDirectory[AW]?', .*\)")
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def test_format_sockets_error(self):
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sock = socket.socket()
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sock.send("This should fail.")
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msg = _format_exception()
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self.assertNotContainsRe(msg,
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r"Traceback (most recent call last):")
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def test_format_unicode_error(self):
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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(self._get_log(keep_log_file=True),
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"the unicode character for benzene is")
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self.assertContainsRe(log, "the unicode character for benzene is")
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def test_trace_argument_unicode(self):
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"""Write a Unicode argument to the trace log"""
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mutter(u'the unicode character for benzene is %s', u'\N{BENZENE RING}')
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self.assertContainsRe(self._get_log(keep_log_file=True),
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'the unicode character')
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self.assertContainsRe(log, 'the unicode character')
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def test_trace_argument_utf8(self):
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"""Write a Unicode argument to the trace log"""
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mutter(u'the unicode character for benzene is %s',
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u'\N{BENZENE RING}'.encode('utf-8'))
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self.assertContainsRe(self._get_log(keep_log_file=True),
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'the unicode character')
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self.assertContainsRe(log, 'the unicode character')
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def test_report_broken_pipe(self):
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def test_mutter_callsite_1(self):
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"""mutter_callsite can capture 1 level of stack frame."""
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mutter_callsite(1, "foo %s", "a string")
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log = self._get_log(keep_log_file=True)
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# begin with the message
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self.assertLogStartsWith(log, 'foo a string\nCalled from:\n')
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# should show two frame: this frame and the one above
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def test_mutter_callsite_2(self):
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"""mutter_callsite can capture 2 levels of stack frame."""
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mutter_callsite(2, "foo %s", "a string")
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log = self._get_log(keep_log_file=True)
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# begin with the message
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self.assertLogStartsWith(log, 'foo a string\nCalled from:\n')
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# should show two frame: this frame and the one above
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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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# raise an exception
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# This test checks that mutter doesn't fail; the current behaviour
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# is that it doesn't fail *and writes non-utf8*.
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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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mutter('and in an ascii argument: %s', '\xb5')
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log = self._get_log(keep_log_file=True)
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self.assertContainsRe(log, 'Writing a greek mu')
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self.assertContainsRe(log, "But fails in an ascii string")
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self.assertContainsRe(log, u"ascii argument: \xb5")
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# However, the log content object does unicode replacement on reading
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# to let it get unicode back where good data has been written. So we
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# have to do a replaceent here as well.
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self.assertContainsRe(log, "ascii argument: \xb5".decode('utf8',
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def test_show_error(self):
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show_error(u'error2 \xb5 blah')
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show_error('arg: %s', 'blah')
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show_error('arg2: %(key)s', {'key':'stuff'})
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raise Exception("oops")
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show_error('kwarg', exc_info=True)
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self.assertContainsRe(log, 'error1')
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self.assertContainsRe(log, u'error2 \xb5 blah')
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self.assertContainsRe(log, 'arg: blah')
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self.assertContainsRe(log, 'arg2: stuff')
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self.assertContainsRe(log, 'kwarg')
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self.assertContainsRe(log, 'Traceback \\(most recent call last\\):')
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self.assertContainsRe(log, 'File ".*test_trace.py", line .*, in test_show_error')
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self.assertContainsRe(log, 'raise Exception\\("oops"\\)')
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self.assertContainsRe(log, 'Exception: oops')
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def test_push_log_file(self):
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"""Can push and pop log file, and this catches mutter messages.
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def test__open_bzr_log_uses_stderr_for_failures(self):
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# If _open_bzr_log cannot open the file, then we should write the
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# warning to stderr. Since this is normally happening before logging is
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self.overrideAttr(sys, 'stderr', StringIO())
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# Set the log file to something that cannot exist
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self.overrideEnv('BZR_LOG', os.getcwd() + '/no-dir/bzr.log')
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self.overrideAttr(trace, '_bzr_log_filename')
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logf = trace._open_bzr_log()
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self.assertIs(None, logf)
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self.assertContainsRe(sys.stderr.getvalue(),
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'failed to open trace file: .*/no-dir/bzr.log')
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class TestVerbosityLevel(TestCase):
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self.assertEqual(0, get_verbosity_level())
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class TestLogging(TestCase):
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"""Check logging functionality robustly records information"""
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self.assertEqual(" INFO Noted\n", self.get_log())
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def test_warning(self):
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trace.warning("Warned")
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self.assertEqual(" WARNING Warned\n", self.get_log())
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logging.getLogger("bzr").error("Errored")
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self.assertEqual(" ERROR Errored\n", self.get_log())
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def test_log_sub(self):
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logging.getLogger("bzr.test_log_sub").debug("Whispered")
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self.assertEqual(" DEBUG Whispered\n", self.get_log())
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def test_log_unicode_msg(self):
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logging.getLogger("bzr").debug(u"\xa7")
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self.assertEqual(u" DEBUG \xa7\n", self.get_log())
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def test_log_unicode_arg(self):
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logging.getLogger("bzr").debug("%s", u"\xa7")
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self.assertEqual(u" DEBUG \xa7\n", self.get_log())
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def test_log_utf8_msg(self):
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logging.getLogger("bzr").debug("\xc2\xa7")
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self.assertEqual(u" DEBUG \xa7\n", self.get_log())
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def test_log_utf8_arg(self):
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logging.getLogger("bzr").debug("%s", "\xc2\xa7")
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self.assertEqual(u" DEBUG \xa7\n", self.get_log())
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def test_log_bytes_msg(self):
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logging.getLogger("bzr").debug("\xa7")
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self.assertContainsString(log, "UnicodeDecodeError: ")
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self.assertContainsString(log,
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"Logging record unformattable: '\\xa7' % ()\n")
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def test_log_bytes_arg(self):
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logging.getLogger("bzr").debug("%s", "\xa7")
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self.assertContainsString(log, "UnicodeDecodeError: ")
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self.assertContainsString(log,
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"Logging record unformattable: '%s' % ('\\xa7',)\n")
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def test_log_mixed_strings(self):
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logging.getLogger("bzr").debug(u"%s", "\xa7")
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self.assertContainsString(log, "UnicodeDecodeError: ")
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self.assertContainsString(log,
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"Logging record unformattable: u'%s' % ('\\xa7',)\n")
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def test_log_repr_broken(self):
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class BadRepr(object):
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raise ValueError("Broken object")
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logging.getLogger("bzr").debug("%s", BadRepr())
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self.assertContainsRe(log, "ValueError: Broken object\n")
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self.assertContainsRe(log, "Logging record unformattable: '%s' % .*\n")
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class TestBzrLog(TestCaseInTempDir):
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def test_log_rollover(self):
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_rollover_trace_maybe(temp_log_name)
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# should have been rolled over
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self.assertFalse(os.access(temp_log_name, os.R_OK))
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class TestTraceConfiguration(TestCaseInTempDir):
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def test_default_config(self):
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config = trace.DefaultConfig()
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self.overrideAttr(trace, "_bzr_log_filename", None)
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trace._bzr_log_filename = None
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expected_filename = trace._get_bzr_log_filename()
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self.assertEqual(None, trace._bzr_log_filename)
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# Should have entered and setup a default filename.
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self.assertEqual(expected_filename, trace._bzr_log_filename)
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config.__exit__(None, None, None)
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# Should have exited and cleaned up.
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self.assertEqual(None, trace._bzr_log_filename)