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"""Tests for trace library"""
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from cStringIO import StringIO
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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 (
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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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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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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_unicode_error(self):
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raise errors.BzrCommandError(u'argument foo\xb5 does not exist')
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except errors.BzrCommandError:
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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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raise errors.NotBranchError('wibble')
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except errors.NotBranchError:
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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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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(self._get_log(keep_log_file=True),
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"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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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('the unicode character',
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def test_report_broken_pipe(self):
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self.fail("expected error not raised")
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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.assertStartsWith(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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self.assertContainsRe(log,
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'test_trace\.py", line \d+, in test_mutter_callsite_1\n')
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# this frame should be the final one
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self.assertEndsWith(log, ' "a string")\n')
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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.assertStartsWith(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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self.assertContainsRe(log,
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'test_trace.py", line \d+, in test_mutter_callsite_2\n')
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# this frame should be the final one
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self.assertEndsWith(log, ' "a string")\n')
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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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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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# 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, "But fails in an ascii string")
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self.assertContainsRe(log, u"ascii argument: \xb5")
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class TestVerbosityLevel(TestCase):
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def test_verbosity_level(self):
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set_verbosity_level(1)
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self.assertEqual(1, get_verbosity_level())
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self.assertTrue(is_verbose())
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self.assertFalse(is_quiet())
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set_verbosity_level(-1)
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self.assertEqual(-1, get_verbosity_level())
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self.assertFalse(is_verbose())
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self.assertTrue(is_quiet())
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set_verbosity_level(0)
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self.assertEqual(0, get_verbosity_level())
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self.assertFalse(is_verbose())
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self.assertFalse(is_quiet())
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def test_be_quiet(self):
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# Confirm the old API still works
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self.assertEqual(-1, get_verbosity_level())
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self.assertEqual(0, get_verbosity_level())
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class TestBzrLog(TestCaseInTempDir):
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def test_log_rollover(self):
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temp_log_name = 'test-log'
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trace_file = open(temp_log_name, 'at')
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trace_file.write('test_log_rollover padding\n' * 1000000)
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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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self.assertContainsRe(log, 'UnicodeError')
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self.assertContainsRe(log, "'But fails in an ascii string")
added
removed
bzrlib/tests/test_trace.py
