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# Copyright (C) 2010, 2012 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import logging
import re
import StringIO
import unittest2 as unittest
from webkitpy.layout_tests.views.metered_stream import MeteredStream
class RegularTest(unittest.TestCase):
verbose = False
isatty = False
def setUp(self):
self.stream = StringIO.StringIO()
self.buflist = self.stream.buflist
self.stream.isatty = lambda: self.isatty
# configure a logger to test that log calls do normally get included.
self.logger = logging.getLogger(__name__)
self.logger.setLevel(logging.DEBUG)
self.logger.propagate = False
# add a dummy time counter for a default behavior.
self.times = range(10)
self.meter = MeteredStream(self.stream, self.verbose, self.logger, self.time_fn, 8675)
def tearDown(self):
if self.meter:
self.meter.cleanup()
self.meter = None
def time_fn(self):
return self.times.pop(0)
def test_logging_not_included(self):
# This tests that if we don't hand a logger to the MeteredStream,
# nothing is logged.
logging_stream = StringIO.StringIO()
handler = logging.StreamHandler(logging_stream)
root_logger = logging.getLogger()
orig_level = root_logger.level
root_logger.addHandler(handler)
root_logger.setLevel(logging.DEBUG)
try:
self.meter = MeteredStream(self.stream, self.verbose, None, self.time_fn, 8675)
self.meter.write_throttled_update('foo')
self.meter.write_update('bar')
self.meter.write('baz')
self.assertEqual(logging_stream.buflist, [])
finally:
root_logger.removeHandler(handler)
root_logger.setLevel(orig_level)
def _basic(self, times):
self.times = times
self.meter.write_update('foo')
self.meter.write_update('bar')
self.meter.write_throttled_update('baz')
self.meter.write_throttled_update('baz 2')
self.meter.writeln('done')
self.assertEqual(self.times, [])
return self.buflist
def test_basic(self):
buflist = self._basic([0, 1, 2, 13, 14])
self.assertEqual(buflist, ['foo\n', 'bar\n', 'baz 2\n', 'done\n'])
def _log_after_update(self):
self.meter.write_update('foo')
self.logger.info('bar')
return self.buflist
def test_log_after_update(self):
buflist = self._log_after_update()
self.assertEqual(buflist, ['foo\n', 'bar\n'])
def test_log_args(self):
self.logger.info('foo %s %d', 'bar', 2)
self.assertEqual(self.buflist, ['foo bar 2\n'])
class TtyTest(RegularTest):
verbose = False
isatty = True
def test_basic(self):
buflist = self._basic([0, 1, 1.05, 1.1, 2])
self.assertEqual(buflist, ['foo',
MeteredStream._erasure('foo'), 'bar',
MeteredStream._erasure('bar'), 'baz 2',
MeteredStream._erasure('baz 2'), 'done\n'])
def test_log_after_update(self):
buflist = self._log_after_update()
self.assertEqual(buflist, ['foo',
MeteredStream._erasure('foo'), 'bar\n'])
class VerboseTest(RegularTest):
isatty = False
verbose = True
def test_basic(self):
buflist = self._basic([0, 1, 2.1, 13, 14.1234])
# We don't bother to match the hours and minutes of the timestamp since
# the local timezone can vary and we can't set that portably and easily.
self.assertTrue(re.match('\d\d:\d\d:00.000 8675 foo\n', buflist[0]))
self.assertTrue(re.match('\d\d:\d\d:01.000 8675 bar\n', buflist[1]))
self.assertTrue(re.match('\d\d:\d\d:13.000 8675 baz 2\n', buflist[2]))
self.assertTrue(re.match('\d\d:\d\d:14.123 8675 done\n', buflist[3]))
self.assertEqual(len(buflist), 4)
def test_log_after_update(self):
buflist = self._log_after_update()
self.assertTrue(re.match('\d\d:\d\d:00.000 8675 foo\n', buflist[0]))
# The second argument should have a real timestamp and pid, so we just check the format.
self.assertTrue(re.match('\d\d:\d\d:\d\d.\d\d\d \d+ bar\n', buflist[1]))
self.assertEqual(len(buflist), 2)
def test_log_args(self):
self.logger.info('foo %s %d', 'bar', 2)
self.assertEqual(len(self.buflist), 1)
self.assertTrue(self.buflist[0].endswith('foo bar 2\n'))
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