def runServer(self):
"""
Start a basic HTML server to host
test related files.
"""
if not self.options.serverPath:
self.logger.warning('Can\'t start HTTP server, --server-path not specified')
return
pId = os.fork()
# if child process
if pId == 0:
os.chdir(os.path.dirname(self.options.serverPath))
self.server = PepHTTPServer(self.options.serverPort)
self.logger.debug('Starting server on port ' + str(self.options.serverPort))
self.server.serve_forever()
else:
self.child_pid = pId
class Peptest():
"""
Peptest
Runs and logs tests designed to test responsiveness
"""
profile_class = Profile
runner_class = Runner
def __init__(self, options, **kwargs):
self.options = options
self.child_pid = None
self.logger = mozlog.getLogger('PEP')
# create the profile
self.profile = self.profile_class(profile=self.options.profilePath,
addons=[os.path.join(here, 'extension')])
# fork a server to serve the test related files
if self.options.serverPath:
self.runServer()
tests = []
if self.options.testPath.endswith('.js'):
# a single test file was passed in
testObj = {}
testObj['path'] = os.path.realpath(self.options.testPath)
testObj['name'] = os.path.basename(self.options.testPath)
tests.append(testObj)
else:
# a test manifest was passed in
# open and convert the manifest to json
manifest = TestManifest()
manifest.read(self.options.testPath)
tests = manifest.get()
# create a manifest object to be read by the JS side
manifestObj = {}
manifestObj['tests'] = tests
# write manifest to a JSON file
jsonManifest = open(os.path.join(here, 'manifest.json'), 'w')
jsonManifest.write(str(manifestObj).replace("'", "\""))
jsonManifest.close()
# setup environment
env = os.environ.copy()
env['MOZ_INSTRUMENT_EVENT_LOOP'] = '1'
env['MOZ_INSTRUMENT_EVENT_LOOP_THRESHOLD'] = '50'
env['MOZ_CRASHREPORTER_NO_REPORT'] = '1'
# construct the browser arguments
cmdargs = []
# TODO Make browserArgs a list
cmdargs.extend(self.options.browserArgs)
cmdargs.extend(['-pep-start', os.path.realpath(jsonManifest.name)])
cmdargs.append('-pep-noisy')
# run with managed process handler
self.runner = self.runner_class(profile=self.profile,
binary=self.options.binary,
cmdargs=cmdargs,
env=env,
process_class=PepProcess)
def start(self):
self.logger.debug('Starting Peptest')
# start firefox
self.runner.start()
self.runner.wait()
crashed = self.checkForCrashes(results.currentTest)
self.stop()
if crashed or results.hasFails():
return 1
return 0
def runServer(self):
"""
Start a basic HTML server to host
test related files.
"""
if not self.options.serverPath:
self.logger.warning('Can\'t start HTTP server, --server-path not specified')
return
pId = os.fork()
# if child process
if pId == 0:
os.chdir(os.path.dirname(self.options.serverPath))
self.server = PepHTTPServer(self.options.serverPort)
self.logger.debug('Starting server on port ' + str(self.options.serverPort))
self.server.serve_forever()
else:
self.child_pid = pId
def stop(self):
"""Kill the app"""
# stop the runner
if self.runner is not None:
self.runner.stop()
# kill the server process
if self.child_pid is not None:
# TODO Kill properly (?)
os.kill(self.child_pid, signal.SIGKILL)
# remove harness related files
files = ['manifest.json']
for f in files:
if os.path.exists(os.path.join(here, f)):
os.remove(os.path.join(here, f))
if os.path.exists(os.path.join(here, 'symbols')):
shutil.rmtree(os.path.join('symbols'))
# delete any minidumps that may have been created
dumpDir = os.path.join(self.profile.profile, 'minidumps')
if self.options.profilePath and os.path.exists(dumpDir):
shutil.rmtree(dumpDir)
def checkForCrashes(self, testName=None):
"""
Detects when a crash occurs and prints the output from
MINIDUMP_STACKWALK. Returns true if crash detected,
otherwise false.
"""
stackwalkPath = os.environ.get('MINIDUMP_STACKWALK', None)
# try to get the caller's filename if no test name is given
if testName is None:
try:
testName = os.path.basename(sys._getframe(1).f_code.co_filename)
except:
testName = "unknown"
foundCrash = False
dumpDir = os.path.join(self.profile.profile, 'minidumps')
dumps = glob.glob(os.path.join(dumpDir, '*.dmp'))
symbolsPath = self.options.symbolsPath
for d in dumps:
import subprocess
foundCrash = True
self.logger.info("PROCESS-CRASH | %s | application crashed (minidump found)", testName)
print "Crash dump filename: " + d
# only proceed if a symbols path and stackwalk path were specified
if symbolsPath and stackwalkPath and os.path.exists(stackwalkPath):
# if symbolsPath is a url, download and extract the zipfile
if utils.isURL(symbolsPath):
bundle = utils.download(symbolsPath, here)
symbolsPath = os.path.join(os.path.dirname(bundle), 'symbols')
utils.extract(bundle, symbolsPath, delete=True)
# run minidump_stackwalk
p = subprocess.Popen([stackwalkPath, d, symbolsPath],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
(out, err) = p.communicate()
if len(out) > 3:
# minidump_stackwalk is chatty, so ignore stderr when it succeeds.
print out
else:
print "stderr from minidump_stackwalk:"
print err
if p.returncode != 0:
print "minidump_stackwalk exited with return code %d" % p.returncode
else:
self.logger.warning('No symbols_path or stackwalk path specified, can\'t process dump')
break
return foundCrash