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"""Tests for trace library"""
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from cStringIO import StringIO
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from bzrlib.tests import TestCaseInTempDir, TestCase
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from bzrlib.trace import (
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from ..sixish import (
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from . import features, TestCaseInTempDir, TestCase
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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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def test_format_sys_exception(self):
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# Test handling of an internal/unexpected error that probably
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# indicates a bug in bzr. The details of the message may vary
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# indicates a bug in brz. The details of the message may vary
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# depending on whether apport is available or not. See test_crash for
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raise NotImplementedError, "time travel"
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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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'brz: ERROR: exceptions.NotImplementedError: time travel')
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self.assertContainsRe(err,
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'Bazaar has encountered an internal error.')
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except MemoryError:
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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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"brz: 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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"brz: out of memory\nMemory dumped to ")
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def test_format_os_error(self):
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os.rmdir('nosuchfile22222')
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msg = _format_exception()
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# Linux seems to give "No such file" but Windows gives "The system
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# cannot find the file specified".
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self.assertEqual('bzr: ERROR: %s\n' % (e_str,), msg)
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self.assertEqual('brz: ERROR: %s\n' % (e_str,), msg)
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def test_format_io_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'^brz: 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"^brz: 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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msg = _format_exception()
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def test_format_exception(self):
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"""Short formatting of bzr exceptions"""
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"""Short formatting of brz exceptions"""
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raise errors.NotBranchError('wibble')
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except errors.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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self.assertEqualDiff(msg, 'brz: ERROR: Not a branch: \"wibble\".\n')
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def test_report_external_import_error(self):
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"""Short friendly message for missing system modules."""
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import ImaginaryModule
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except ImportError, e:
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except ImportError as e:
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self.fail("somehow succeeded in importing %r" % ImaginaryModule)
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msg = _format_exception()
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self.assertEqual(msg,
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'bzr: ERROR: No module named ImaginaryModule\n'
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'brz: ERROR: No module named ImaginaryModule\n'
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'You may need to install this Python library separately.\n')
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def test_report_import_syntax_error(self):
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raise ImportError("syntax error")
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except ImportError, e:
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except ImportError as e:
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msg = _format_exception()
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self.assertContainsRe(msg,
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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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def test__open_brz_log_uses_stderr_for_failures(self):
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# If _open_brz_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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self.overrideAttr(sys, 'stderr', BytesIO())
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# Set the log file to something that cannot exist
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# FIXME: A bit dangerous: we are not in an isolated dir here -- vilajam
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os.environ['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.overrideEnv('BRZ_LOG', '/no-such-dir/brz.log')
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self.overrideAttr(trace, '_brz_log_filename')
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logf = trace._open_brz_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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self.assertContainsRe(
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sys.stderr.getvalue(),
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"failed to open trace file: .* '/no-such-dir/brz.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("brz").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("brz.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("brz").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("brz").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("brz").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("brz").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("brz").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("brz").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("brz").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("brz").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, "_brz_log_filename", None)
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trace._brz_log_filename = None
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expected_filename = trace._get_brz_log_filename()
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self.assertEqual(None, trace._brz_log_filename)
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# Should have entered and setup a default filename.
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self.assertEqual(expected_filename, trace._brz_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._brz_log_filename)