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#!/usr/bin/env python
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import os
import signal
import subprocess
import tempfile
import unittest
import pyauto_functional
import pyauto
import test_utils
class SimpleTest(pyauto.PyUITest):
def ExtraChromeFlags(self):
"""Ensures Chrome is launched with custom flags.
Returns:
A list of extra flags to pass to Chrome when it is launched.
"""
fd, self._strace_log = tempfile.mkstemp()
os.close(fd)
extra_flags = ['--no-sandbox', '--child-clean-exit',
'--renderer-cmd-prefix=/usr/bin/strace -o %s' %
self._strace_log]
logging.debug('Strace file is: %s' % self._strace_log)
return pyauto.PyUITest.ExtraChromeFlags(self) + extra_flags
def testCleanExit(self):
"""Ensures the renderer process cleanly exits."""
url = self.GetHttpURLForDataPath('title2.html')
self.NavigateToURL(url)
os.kill(self.GetBrowserInfo()['browser_pid'], signal.SIGINT)
self.WaitUntil(lambda: self._IsFileOpen(self._strace_log))
strace_contents = open(self._strace_log).read()
self.assertTrue('exit_group' in strace_contents)
os.remove(self._strace_log)
def _IsFileOpen(self, filename):
p = subprocess.Popen(['lsof', filename])
return p.communicate()[0] == ''
if __name__ == '__main__':
pyauto_functional.Main()
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