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Viewing changes to bzrlib/tests/test_trace.py

  • Committer: Robert Collins
  • Date: 2009-12-16 22:29:31 UTC
  • mto: This revision was merged to the branch mainline in revision 4920.
  • Revision ID: robertc@robertcollins.net-20091216222931-wbbn5ey4mwmpatwd
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bzrlib/tests/test_trace.py
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# Copyright (C) 2005-2011 Canonical Ltd
 
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# Copyright (C) 2005, 2006, 2007, 2008, 2009 Canonical Ltd
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#
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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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import tempfile
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from bzrlib import (
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    debug,
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    errors,
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    trace,
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    )
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from bzrlib.tests import features, TestCaseInTempDir, TestCase
 
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from bzrlib.tests import 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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    pop_log_file,
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    push_log_file,
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    _rollover_trace_maybe,
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    show_error,
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    )
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            pass
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        msg = _format_exception()
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        self.assertEquals(msg,
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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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        try:
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            raise MemoryError()
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        except MemoryError:
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            pass
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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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            "bzr: out of memory\n")
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    def test_format_os_error(self):
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        try:
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        self.assertContainsRe(msg,
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            r'^bzr: ERROR: \[Errno .*\] No such file.*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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        try:
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            win32file.RemoveDirectory('nosuchfile22222')
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        except pywintypes.error:
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            pass
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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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        try:
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            import socket
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            sock = socket.socket()
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            sock.send("This should fail.")
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        except socket.error:
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            pass
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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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        try:
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            raise errors.BzrCommandError(u'argument foo\xb5 does not exist')
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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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            'replace'))
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    def test_show_error(self):
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        show_error('error1')
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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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        try:
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            raise Exception("oops")
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        except:
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            show_error('kwarg', exc_info=True)
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        log = self.get_log()
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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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            tmp1.close()
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            tmp2.close()
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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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        # set up.
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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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        _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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        config.__enter__()
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        try:
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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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        finally:
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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)