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#!/usr/bin/env python
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
import os
import subprocess
import sys
import unittest
import proctest
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
"""
if sys.platform == "win32":
exepath = os.path.join(aDir, "proclaunch.exe")
else:
exepath = os.path.join(aDir, "proclaunch")
# remove the launcher, if it already exists
# otherwise, if the make fails you may not notice
if os.path.exists(exepath):
os.remove(exepath)
# Ideally make should take care of both calls through recursion, but since it doesn't,
# on windows anyway (to file?), let's just call out both targets explicitly.
for command in [["make", "-C", "iniparser"],
["make"]]:
process = subprocess.Popen(command, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, cwd=aDir)
stdout, stderr = process.communicate()
if process.returncode:
# SomethingBadHappen; print all the things
print "%s: exit %d" % (command, process.returncode)
print "stdout:\n%s" % stdout
print "stderr:\n%s" % stderr
raise subprocess.CalledProcessError(process.returncode, command, stdout)
# ensure the launcher now exists
if not os.path.exists(exepath):
raise AssertionError("proclaunch executable '%s' "
"does not exist (sys.platform=%s)" % (exepath, sys.platform))
return exepath
class ProcTest(proctest.ProcTest):
# whether to remove created files on exit
cleanup = os.environ.get('CLEANUP', 'true').lower() in ('1', 'true')
@classmethod
def setUpClass(cls):
cls.proclaunch = make_proclaunch(here)
@classmethod
def tearDownClass(cls):
del cls.proclaunch
if not cls.cleanup:
return
files = [('proclaunch',),
('proclaunch.exe',),
('iniparser', 'dictionary.o'),
('iniparser', 'iniparser.lib'),
('iniparser', 'iniparser.o'),
('iniparser', 'libiniparser.a'),
('iniparser', 'libiniparser.so.0'),
]
files = [os.path.join(here, *path) for path in files]
errors = []
for path in files:
if os.path.exists(path):
try:
os.remove(path)
except OSError as e:
errors.append(str(e))
if errors:
raise OSError("Error(s) encountered tearing down "
"%s.%s:\n%s" % (cls.__module__, cls.__name__, '\n'.join(errors)))
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.wait()
self.determine_status(p)
def test_commandline_no_args(self):
"""Command line is reported correctly when no arguments are specified"""
p = processhandler.ProcessHandler(self.proclaunch, cwd=here)
self.assertEqual(p.commandline, self.proclaunch)
def test_commandline_overspecified(self):
"""Command line raises an exception when the arguments are specified ambiguously"""
err = None
try:
processhandler.ProcessHandler([self.proclaunch, "process_normal_finish.ini"],
args=["1", "2", "3"],
cwd=here)
except TypeError, e:
err = e
self.assertTrue(err)
def test_commandline_from_list(self):
"""Command line is reported correctly when command and arguments are specified in a list"""
p = processhandler.ProcessHandler([self.proclaunch, "process_normal_finish.ini"],
cwd=here)
self.assertEqual(p.commandline, self.proclaunch + ' process_normal_finish.ini')
def test_commandline_over_specified(self):
"""Command line raises an exception when the arguments are specified ambiguously"""
err = None
try:
processhandler.ProcessHandler([self.proclaunch, "process_normal_finish.ini"],
args=["1", "2", "3"],
cwd=here)
except TypeError, e:
err = e
self.assertTrue(err)
def test_commandline_from_args(self):
"""Command line is reported correctly when arguments are specified in a dedicated list"""
p = processhandler.ProcessHandler(self.proclaunch,
args=["1", "2", "3"],
cwd=here)
self.assertEqual(p.commandline, self.proclaunch + ' 1 2 3')
def test_process_wait(self):
"""Process is started runs to completion while we wait indefinitely"""
p = processhandler.ProcessHandler([self.proclaunch,
"process_waittimeout_10s.ini"],
cwd=here)
p.run()
p.wait()
self.determine_status(p)
def test_process_timeout(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(timeout=10)
p.wait()
self.determine_status(p, False, ['returncode', 'didtimeout'])
def test_process_timeout_no_kill(self):
""" Process is started, runs but we time out waiting on it
to complete. Process should not be killed.
"""
p = None
def timeout_handler():
self.assertEqual(p.proc.poll(), None)
p.kill()
p = processhandler.ProcessHandler([self.proclaunch, "process_waittimeout.ini"],
cwd=here,
onTimeout=(timeout_handler,),
kill_on_timeout=False)
p.run(timeout=1)
p.wait()
self.assertTrue(p.didTimeout)
self.determine_status(p, False, ['returncode', 'didtimeout'])
def test_process_waittimeout(self):
"""
Process is started, then wait is called and times out.
Process is still running and didn't timeout
"""
p = processhandler.ProcessHandler([self.proclaunch,
"process_waittimeout_10s.ini"],
cwd=here)
p.run()
p.wait(timeout=5)
self.determine_status(p, True, ())
def test_process_waitnotimeout(self):
""" Process is started, runs to completion before our wait times out
"""
p = processhandler.ProcessHandler([self.proclaunch,
"process_waittimeout_10s.ini"],
cwd=here)
p.run(timeout=30)
p.wait()
self.determine_status(p)
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()
self.determine_status(p)
def test_process_output_twice(self):
"""
Process is started, then processOutput is called a second time explicitly
"""
p = processhandler.ProcessHandler([self.proclaunch,
"process_waittimeout_10s.ini"],
cwd=here)
p.run()
p.processOutput(timeout=5)
p.wait()
self.determine_status(p, False, ())
if __name__ == '__main__':
unittest.main()
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