# 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 mozcrash
import threading
import os
import Queue
import re
import shutil
import tempfile
import time
import traceback
from automation import Automation
from devicemanager import NetworkTools
from mozprocess import ProcessHandlerMixin
class StdOutProc(ProcessHandlerMixin):
"""Process handler for b2g which puts all output in a Queue.
"""
def __init__(self, cmd, queue, **kwargs):
self.queue = queue
kwargs.setdefault('processOutputLine', []).append(self.handle_output)
ProcessHandlerMixin.__init__(self, cmd, **kwargs)
def handle_output(self, line):
self.queue.put_nowait(line)
class B2GRemoteAutomation(Automation):
_devicemanager = None
def __init__(self, deviceManager, appName='', remoteLog=None,
marionette=None, context_chrome=True):
self._devicemanager = deviceManager
self._appName = appName
self._remoteProfile = None
self._remoteLog = remoteLog
self.marionette = marionette
self.context_chrome = context_chrome
self._is_emulator = False
self.test_script = None
self.test_script_args = None
# Default our product to b2g
self._product = "b2g"
self.lastTestSeen = "b2gautomation.py"
# Default log finish to mochitest standard
self.logFinish = 'INFO SimpleTest FINISHED'
Automation.__init__(self)
def setEmulator(self, is_emulator):
self._is_emulator = is_emulator
def setDeviceManager(self, deviceManager):
self._devicemanager = deviceManager
def setAppName(self, appName):
self._appName = appName
def setRemoteProfile(self, remoteProfile):
self._remoteProfile = remoteProfile
def setProduct(self, product):
self._product = product
def setRemoteLog(self, logfile):
self._remoteLog = logfile
def installExtension(self, extensionSource, profileDir, extensionID=None):
# Bug 827504 - installing special-powers extension separately causes problems in B2G
if extensionID != "special-powers@mozilla.org":
Automation.installExtension(self, extensionSource, profileDir, extensionID)
# Set up what we need for the remote environment
def environment(self, env=None, xrePath=None, crashreporter=True):
# Because we are running remote, we don't want to mimic the local env
# so no copying of os.environ
if env is None:
env = {}
if crashreporter:
env['MOZ_CRASHREPORTER'] = '1'
env['MOZ_CRASHREPORTER_NO_REPORT'] = '1'
# We always hide the results table in B2G; it's much slower if we don't.
env['MOZ_HIDE_RESULTS_TABLE'] = '1'
return env
def waitForNet(self):
active = False
time_out = 0
while not active and time_out < 40:
data = self._devicemanager._runCmd(['shell', '/system/bin/netcfg']).stdout.readlines()
data.pop(0)
for line in data:
if (re.search(r'UP\s+(?:[0-9]{1,3}\.){3}[0-9]{1,3}', line)):
active = True
break
time_out += 1
time.sleep(1)
return active
def checkForCrashes(self, directory, symbolsPath):
crashed = False
remote_dump_dir = self._remoteProfile + '/minidumps'
print "checking for crashes in '%s'" % remote_dump_dir
if self._devicemanager.dirExists(remote_dump_dir):
local_dump_dir = tempfile.mkdtemp()
self._devicemanager.getDirectory(remote_dump_dir, local_dump_dir)
try:
crashed = mozcrash.check_for_crashes(local_dump_dir, symbolsPath, test_name=self.lastTestSeen)
except:
traceback.print_exc()
finally:
shutil.rmtree(local_dump_dir)
self._devicemanager.removeDir(remote_dump_dir)
return crashed
def buildCommandLine(self, app, debuggerInfo, profileDir, testURL, extraArgs):
# if remote profile is specified, use that instead
if (self._remoteProfile):
profileDir = self._remoteProfile
cmd, args = Automation.buildCommandLine(self, app, debuggerInfo, profileDir, testURL, extraArgs)
return app, args
def getLanIp(self):
nettools = NetworkTools()
return nettools.getLanIp()
def waitForFinish(self, proc, utilityPath, timeout, maxTime, startTime,
debuggerInfo, symbolsPath):
""" Wait for tests to finish (as evidenced by a signature string
in logcat), or for a given amount of time to elapse with no
output.
"""
timeout = timeout or 120
responseDueBy = time.time() + timeout
while True:
currentlog = proc.stdout
if currentlog:
responseDueBy = time.time() + timeout
print currentlog
# Match the test filepath from the last TEST-START line found in the new
# log content. These lines are in the form:
# ... INFO TEST-START | /filepath/we/wish/to/capture.html\n
testStartFilenames = re.findall(r"TEST-START \| ([^\s]*)", currentlog)
if testStartFilenames:
self.lastTestSeen = testStartFilenames[-1]
if hasattr(self, 'logFinish') and self.logFinish in currentlog:
return 0
else:
if time.time() > responseDueBy:
self.log.info("TEST-UNEXPECTED-FAIL | %s | application timed "
"out after %d seconds with no output",
self.lastTestSeen, int(timeout))
return 1
def getDeviceStatus(self, serial=None):
# Get the current status of the device. If we know the device
# serial number, we look for that, otherwise we use the (presumably
# only) device shown in 'adb devices'.
serial = serial or self._devicemanager._deviceSerial
status = 'unknown'
for line in self._devicemanager._runCmd(['devices']).stdout.readlines():
result = re.match('(.*?)\t(.*)', line)
if result:
thisSerial = result.group(1)
if not serial or thisSerial == serial:
serial = thisSerial
status = result.group(2)
return (serial, status)
def restartB2G(self):
# TODO hangs in subprocess.Popen without this delay
time.sleep(5)
self._devicemanager._checkCmd(['shell', 'stop', 'b2g'])
# Wait for a bit to make sure B2G has completely shut down.
time.sleep(10)
self._devicemanager._checkCmd(['shell', 'start', 'b2g'])
if self._is_emulator:
self.marionette.emulator.wait_for_port()
def rebootDevice(self):
# find device's current status and serial number
serial, status = self.getDeviceStatus()
# reboot!
self._devicemanager._runCmd(['shell', '/system/bin/reboot'])
# The above command can return while adb still thinks the device is
# connected, so wait a little bit for it to disconnect from adb.
time.sleep(10)
# wait for device to come back to previous status
print 'waiting for device to come back online after reboot'
start = time.time()
rserial, rstatus = self.getDeviceStatus(serial)
while rstatus != 'device':
if time.time() - start > 120:
# device hasn't come back online in 2 minutes, something's wrong
raise Exception("Device %s (status: %s) not back online after reboot" % (serial, rstatus))
time.sleep(5)
rserial, rstatus = self.getDeviceStatus(serial)
print 'device:', serial, 'status:', rstatus
def Process(self, cmd, stdout=None, stderr=None, env=None, cwd=None):
# On a desktop or fennec run, the Process method invokes a gecko
# process in which to the tests. For B2G, we simply
# reboot the device (which was configured with a test profile
# already), wait for B2G to start up, and then navigate to the
# test url using Marionette. There doesn't seem to be any way
# to pass env variables into the B2G process, but this doesn't
# seem to matter.
# reboot device so it starts up with the mochitest profile
# XXX: We could potentially use 'stop b2g' + 'start b2g' to achieve
# a similar effect; will see which is more stable while attempting
# to bring up the continuous integration.
if not self._is_emulator:
self.rebootDevice()
time.sleep(5)
#wait for wlan to come up
if not self.waitForNet():
raise Exception("network did not come up, please configure the network" +
" prior to running before running the automation framework")
# stop b2g
self._devicemanager._runCmd(['shell', 'stop', 'b2g'])
time.sleep(5)
# relaunch b2g inside b2g instance
instance = self.B2GInstance(self._devicemanager, env=env)
time.sleep(5)
# Set up port forwarding again for Marionette, since any that
# existed previously got wiped out by the reboot.
if not self._is_emulator:
self._devicemanager._checkCmd(['forward',
'tcp:%s' % self.marionette.port,
'tcp:%s' % self.marionette.port])
if self._is_emulator:
self.marionette.emulator.wait_for_port()
else:
time.sleep(5)
# start a marionette session
session = self.marionette.start_session()
if 'b2g' not in session:
raise Exception("bad session value %s returned by start_session" % session)
if self._is_emulator:
# Disable offline status management (bug 777145), otherwise the network
# will be 'offline' when the mochitests start. Presumably, the network
# won't be offline on a real device, so we only do this for emulators.
self.marionette.set_context(self.marionette.CONTEXT_CHROME)
self.marionette.execute_script("""
Components.utils.import("resource://gre/modules/Services.jsm");
Services.io.manageOfflineStatus = false;
Services.io.offline = false;
""")
if self.context_chrome:
self.marionette.set_context(self.marionette.CONTEXT_CHROME)
else:
self.marionette.set_context(self.marionette.CONTEXT_CONTENT)
# run the script that starts the tests
if self.test_script:
if os.path.isfile(self.test_script):
script = open(self.test_script, 'r')
self.marionette.execute_script(script.read(), script_args=self.test_script_args)
script.close()
elif isinstance(self.test_script, basestring):
self.marionette.execute_script(self.test_script, script_args=self.test_script_args)
else:
# assumes the tests are started on startup automatically
pass
return instance
# be careful here as this inner class doesn't have access to outer class members
class B2GInstance(object):
"""Represents a B2G instance running on a device, and exposes
some process-like methods/properties that are expected by the
automation.
"""
def __init__(self, dm, env=None):
self.dm = dm
self.env = env or {}
self.stdout_proc = None
self.queue = Queue.Queue()
# Launch b2g in a separate thread, and dump all output lines
# into a queue. The lines in this queue are
# retrieved and returned by accessing the stdout property of
# this class.
cmd = [self.dm._adbPath]
if self.dm._deviceSerial:
cmd.extend(['-s', self.dm._deviceSerial])
cmd.append('shell')
for k, v in self.env.iteritems():
cmd.append("%s=%s" % (k, v))
cmd.append('/system/bin/b2g.sh')
proc = threading.Thread(target=self._save_stdout_proc, args=(cmd, self.queue))
proc.daemon = True
proc.start()
def _save_stdout_proc(self, cmd, queue):
self.stdout_proc = StdOutProc(cmd, queue)
self.stdout_proc.run()
if hasattr(self.stdout_proc, 'processOutput'):
self.stdout_proc.processOutput()
self.stdout_proc.wait()
self.stdout_proc = None
@property
def pid(self):
# a dummy value to make the automation happy
return 0
@property
def stdout(self):
# Return any lines in the queue used by the
# b2g process handler.
lines = []
while True:
try:
lines.append(self.queue.get_nowait())
except Queue.Empty:
break
return '\n'.join(lines)
def wait(self, timeout=None):
# this should never happen
raise Exception("'wait' called on B2GInstance")
def kill(self):
# this should never happen
raise Exception("'kill' called on B2GInstance")
