gecko/testing/mozbase/mozprocess/tests/mozprocess1.py

188 lines
6.9 KiB
Python

#!/usr/bin/env python
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is
# the Mozilla Foundation.
# Portions created by the Initial Developer are Copyright (C) 2011
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Clint Talbert <ctalbert@mozilla.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
import os
import subprocess
import sys
import unittest
from time import sleep
from mozprocess import processhandler
here = os.path.dirname(os.path.abspath(__file__))
def make_proclaunch(aDir):
"""
Makes the proclaunch executable.
Params:
aDir - the directory in which to issue the make commands
Returns:
the path to the proclaunch executable that is generated
"""
p = subprocess.call(["make"], cwd=aDir)
if sys.platform == "win32":
exepath = os.path.join(aDir, "proclaunch.exe")
else:
exepath = os.path.join(aDir, "proclaunch")
return exepath
def check_for_process(processName):
"""
Use to determine if process of the given name is still running.
Returns:
detected -- True if process is detected to exist, False otherwise
output -- if process exists, stdout of the process, '' otherwise
"""
output = ''
if sys.platform == "win32":
# On windows we use tasklist
p1 = subprocess.Popen(["tasklist"], stdout=subprocess.PIPE)
output = p1.communicate()[0]
detected = False
for line in output:
if processName in line:
detected = True
break
else:
p1 = subprocess.Popen(["ps", "-A"], stdout=subprocess.PIPE)
p2 = subprocess.Popen(["grep", processName], stdin=p1.stdout, stdout=subprocess.PIPE)
p1.stdout.close()
output = p2.communicate()[0]
detected = False
for line in output:
if "grep %s" % processName in line:
continue
elif processName in line:
detected = True
break
return detected, output
class ProcTest1(unittest.TestCase):
def __init__(self, *args, **kwargs):
# Ideally, I'd use setUpClass but that only exists in 2.7.
# So, we'll do this make step now.
self.proclaunch = make_proclaunch(here)
unittest.TestCase.__init__(self, *args, **kwargs)
def test_process_normal_finish(self):
"""Process is started, runs to completion while we wait for it"""
p = processhandler.ProcessHandler([self.proclaunch, "process_normal_finish.ini"],
cwd=here)
p.run()
p.waitForFinish()
detected, output = check_for_process(self.proclaunch)
self.determine_status(detected,
output,
p.proc.returncode,
p.didTimeout)
def test_process_waittimeout(self):
""" Process is started, runs but we time out waiting on it
to complete
"""
p = processhandler.ProcessHandler([self.proclaunch, "process_waittimeout.ini"],
cwd=here)
p.run()
p.waitForFinish(timeout=10)
detected, output = check_for_process(self.proclaunch)
self.determine_status(detected,
output,
p.proc.returncode,
p.didTimeout,
False,
['returncode', 'didtimeout'])
def test_process_kill(self):
""" Process is started, we kill it
"""
p = processhandler.ProcessHandler([self.proclaunch, "process_normal_finish.ini"],
cwd=here)
p.run()
p.kill()
detected, output = check_for_process(self.proclaunch)
self.determine_status(detected,
output,
p.proc.returncode,
p.didTimeout)
def determine_status(self,
detected=False,
output='',
returncode=0,
didtimeout=False,
isalive=False,
expectedfail=[]):
"""
Use to determine if the situation has failed.
Parameters:
detected -- value from check_for_process to determine if the process is detected
output -- string of data from detected process, can be ''
returncode -- return code from process, defaults to 0
didtimeout -- True if process timed out, defaults to False
isalive -- Use True to indicate we pass if the process exists; however, by default
the test will pass if the process does not exist (isalive == False)
expectedfail -- Defaults to [], used to indicate a list of fields that are expected to fail
"""
if 'returncode' in expectedfail:
self.assertTrue(returncode, "Detected an expected non-zero return code")
else:
self.assertTrue(returncode == 0, "Detected non-zero return code of: %d" % returncode)
if 'didtimeout' in expectedfail:
self.assertTrue(didtimeout, "Process timed out as expected")
else:
self.assertTrue(not didtimeout, "Detected that process timed out")
if detected:
self.assertTrue(isalive, "Detected process is still running, process output: %s" % output)
else:
self.assertTrue(not isalive, "Process ended")
if __name__ == '__main__':
unittest.main()