The Tor Browser: testing/mochitest/runtests.py@6474c204b198 (annotated)

testing/mochitest/runtests.py@6474c204b198 (annotated)

testing/mochitest/runtests.py

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 # 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/.
 """
 Runs the Mochitest test harness.
 """
 from __future__ import with_statement
 import os
 import sys
 SCRIPT_DIR = os.path.abspath(os.path.realpath(os.path.dirname(__file__)))
 sys.path.insert(0, SCRIPT_DIR);
 import glob
 import json
 import mozcrash
 import mozinfo
 import mozprocess
 import mozrunner
 import optparse
 import re
 import shutil
 import signal
 import subprocess
 import tempfile
 import time
 import traceback
 import urllib2
 import zipfile
 from automationutils import environment, getDebuggerInfo, isURL, KeyValueParseError, parseKeyValue, processLeakLog, systemMemory, dumpScreen, ShutdownLeaks, printstatus
 from datetime import datetime
 from manifestparser import TestManifest
 from mochitest_options import MochitestOptions
 from mozprofile import Profile, Preferences
 from mozprofile.permissions import ServerLocations
 from urllib import quote_plus as encodeURIComponent
 # This should use the `which` module already in tree, but it is
 # not yet present in the mozharness environment
 from mozrunner.utils import findInPath as which
 # set up logging handler a la automation.py.in for compatability
 import logging
 log = logging.getLogger()
 def resetGlobalLog():
   while log.handlers:
     log.removeHandler(log.handlers[0])
   handler = logging.StreamHandler(sys.stdout)
   log.setLevel(logging.INFO)
   log.addHandler(handler)
 resetGlobalLog()
 ###########################
 # Option for NSPR logging #
 ###########################
 # Set the desired log modules you want an NSPR log be produced by a try run for, or leave blank to disable the feature.
 # This will be passed to NSPR_LOG_MODULES environment variable. Try run will then put a download link for the log file
 # on tbpl.mozilla.org.
 NSPR_LOG_MODULES = ""
 ####################
 # PROCESS HANDLING #
 ####################
 def call(*args, **kwargs):
   """front-end function to mozprocess.ProcessHandler"""
   # TODO: upstream -> mozprocess
   # https://bugzilla.mozilla.org/show_bug.cgi?id=791383
   process = mozprocess.ProcessHandler(*args, **kwargs)
   process.run()
   return process.wait()
 def killPid(pid):
   # see also https://bugzilla.mozilla.org/show_bug.cgi?id=911249#c58
   try:
     os.kill(pid, getattr(signal, "SIGKILL", signal.SIGTERM))
   except Exception, e:
     log.info("Failed to kill process %d: %s", pid, str(e))
 if mozinfo.isWin:
   import ctypes, ctypes.wintypes, time, msvcrt
   def isPidAlive(pid):
     STILL_ACTIVE = 259
     PROCESS_QUERY_LIMITED_INFORMATION = 0x1000
     pHandle = ctypes.windll.kernel32.OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, 0, pid)
     if not pHandle:
       return False
     pExitCode = ctypes.wintypes.DWORD()
     ctypes.windll.kernel32.GetExitCodeProcess(pHandle, ctypes.byref(pExitCode))
     ctypes.windll.kernel32.CloseHandle(pHandle)
     return pExitCode.value == STILL_ACTIVE
 else:
   import errno
   def isPidAlive(pid):
     try:
       # kill(pid, 0) checks for a valid PID without actually sending a signal
       # The method throws OSError if the PID is invalid, which we catch below.
       os.kill(pid, 0)
       # Wait on it to see if it's a zombie. This can throw OSError.ECHILD if
       # the process terminates before we get to this point.
       wpid, wstatus = os.waitpid(pid, os.WNOHANG)
       return wpid == 0
     except OSError, err:
       # Catch the errors we might expect from os.kill/os.waitpid,
       # and re-raise any others
       if err.errno == errno.ESRCH or err.errno == errno.ECHILD:
         return False
       raise
 # TODO: ^ upstream isPidAlive to mozprocess
 #######################
 # HTTP SERVER SUPPORT #
 #######################
 class MochitestServer(object):
   "Web server used to serve Mochitests, for closer fidelity to the real web."
   def __init__(self, options):
     if isinstance(options, optparse.Values):
       options = vars(options)
     self._closeWhenDone = options['closeWhenDone']
     self._utilityPath = options['utilityPath']
     self._xrePath = options['xrePath']
     self._profileDir = options['profilePath']
     self.webServer = options['webServer']
     self.httpPort = options['httpPort']
     self.shutdownURL = "http://%(server)s:%(port)s/server/shutdown" % { "server" : self.webServer, "port" : self.httpPort }
     self.testPrefix = "'webapprt_'" if options.get('webapprtContent') else "undefined"
     if options.get('httpdPath'):
         self._httpdPath = options['httpdPath']
     else:
         self._httpdPath = SCRIPT_DIR
     self._httpdPath = os.path.abspath(self._httpdPath)
   def start(self):
     "Run the Mochitest server, returning the process ID of the server."
     # get testing environment
     env = environment(xrePath=self._xrePath)
     env["XPCOM_DEBUG_BREAK"] = "warn"
     # When running with an ASan build, our xpcshell server will also be ASan-enabled,
     # thus consuming too much resources when running together with the browser on
     # the test slaves. Try to limit the amount of resources by disabling certain
     # features.
     env["ASAN_OPTIONS"] = "quarantine_size=1:redzone=32:malloc_context_size=5"
     if mozinfo.isWin:
       env["PATH"] = env["PATH"] + ";" + str(self._xrePath)
     args = ["-g", self._xrePath,
             "-v", "170",
             "-f", os.path.join(self._httpdPath, "httpd.js"),
             "-e", """const _PROFILE_PATH = '%(profile)s'; const _SERVER_PORT = '%(port)s'; const _SERVER_ADDR = '%(server)s'; const _TEST_PREFIX = %(testPrefix)s; const _DISPLAY_RESULTS = %(displayResults)s;""" %
                    {"profile" : self._profileDir.replace('\\', '\\\\'), "port" : self.httpPort, "server" : self.webServer,
                     "testPrefix" : self.testPrefix, "displayResults" : str(not self._closeWhenDone).lower() },
             "-f", os.path.join(SCRIPT_DIR, "server.js")]
     xpcshell = os.path.join(self._utilityPath,
                             "xpcshell" + mozinfo.info['bin_suffix'])
     command = [xpcshell] + args
     self._process = mozprocess.ProcessHandler(command, cwd=SCRIPT_DIR, env=env)
     self._process.run()
     log.info("%s : launching %s", self.__class__.__name__, command)
     pid = self._process.pid
     log.info("runtests.py | Server pid: %d", pid)
   def ensureReady(self, timeout):
     assert timeout >= 0
     aliveFile = os.path.join(self._profileDir, "server_alive.txt")
     i = 0
     while i < timeout:
       if os.path.exists(aliveFile):
         break
       time.sleep(1)
       i += 1
     else:
       log.error("TEST-UNEXPECTED-FAIL | runtests.py | Timed out while waiting for server startup.")
       self.stop()
       sys.exit(1)
   def stop(self):
     try:
       with urllib2.urlopen(self.shutdownURL) as c:
         c.read()
       # TODO: need ProcessHandler.poll()
       # https://bugzilla.mozilla.org/show_bug.cgi?id=912285
       #      rtncode = self._process.poll()
       rtncode = self._process.proc.poll()
       if rtncode is None:
         # TODO: need ProcessHandler.terminate() and/or .send_signal()
         # https://bugzilla.mozilla.org/show_bug.cgi?id=912285
         # self._process.terminate()
         self._process.proc.terminate()
     except:
       self._process.kill()
 class WebSocketServer(object):
   "Class which encapsulates the mod_pywebsocket server"
   def __init__(self, options, scriptdir, debuggerInfo=None):
     self.port = options.webSocketPort
     self._scriptdir = scriptdir
     self.debuggerInfo = debuggerInfo
   def start(self):
     # Invoke pywebsocket through a wrapper which adds special SIGINT handling.
     #
     # If we're in an interactive debugger, the wrapper causes the server to
     # ignore SIGINT so the server doesn't capture a ctrl+c meant for the
     # debugger.
     #
     # If we're not in an interactive debugger, the wrapper causes the server to
     # die silently upon receiving a SIGINT.
     scriptPath = 'pywebsocket_wrapper.py'
     script = os.path.join(self._scriptdir, scriptPath)
     cmd = [sys.executable, script]
     if self.debuggerInfo and self.debuggerInfo['interactive']:
         cmd += ['--interactive']
     cmd += ['-p', str(self.port), '-w', self._scriptdir, '-l',      \
            os.path.join(self._scriptdir, "websock.log"),            \
            '--log-level=debug', '--allow-handlers-outside-root-dir']
     # start the process
     self._process = mozprocess.ProcessHandler(cmd, cwd=SCRIPT_DIR)
     self._process.run()
     pid = self._process.pid
     log.info("runtests.py | Websocket server pid: %d", pid)
   def stop(self):
     self._process.kill()
 class MochitestUtilsMixin(object):
   """
   Class containing some utility functions common to both local and remote
   mochitest runners
   """
   # TODO Utility classes are a code smell. This class is temporary
   #      and should be removed when desktop mochitests are refactored
   #      on top of mozbase. Each of the functions in here should
   #      probably live somewhere in mozbase
   oldcwd = os.getcwd()
   jarDir = 'mochijar'
   # Path to the test script on the server
   TEST_PATH = "tests"
   CHROME_PATH = "redirect.html"
   urlOpts = []
   def __init__(self):
     self.update_mozinfo()
     self.server = None
     self.wsserver = None
     self.sslTunnel = None
     self._locations = None
   def update_mozinfo(self):
     """walk up directories to find mozinfo.json update the info"""
     # TODO: This should go in a more generic place, e.g. mozinfo
     path = SCRIPT_DIR
     dirs = set()
     while path != os.path.expanduser('~'):
         if path in dirs:
             break
         dirs.add(path)
         path = os.path.split(path)[0]
     mozinfo.find_and_update_from_json(*dirs)
   def getFullPath(self, path):
     " Get an absolute path relative to self.oldcwd."
     return os.path.normpath(os.path.join(self.oldcwd, os.path.expanduser(path)))
   def getLogFilePath(self, logFile):
     """ return the log file path relative to the device we are testing on, in most cases
         it will be the full path on the local system
     """
     return self.getFullPath(logFile)
   @property
   def locations(self):
     if self._locations is not None:
       return self._locations
     locations_file = os.path.join(SCRIPT_DIR, 'server-locations.txt')
     self._locations = ServerLocations(locations_file)
     return self._locations
   def buildURLOptions(self, options, env):
     """ Add test control options from the command line to the url
         URL parameters to test URL:
         autorun -- kick off tests automatically
         closeWhenDone -- closes the browser after the tests
         hideResultsTable -- hides the table of individual test results
         logFile -- logs test run to an absolute path
         totalChunks -- how many chunks to split tests into
         thisChunk -- which chunk to run
         startAt -- name of test to start at
         endAt -- name of test to end at
         timeout -- per-test timeout in seconds
         repeat -- How many times to repeat the test, ie: repeat=1 will run the test twice.
     """
     # allow relative paths for logFile
     if options.logFile:
       options.logFile = self.getLogFilePath(options.logFile)
     # Note that all tests under options.subsuite need to be browser chrome tests.
     if options.browserChrome or options.chrome or options.subsuite or \
        options.a11y or options.webapprtChrome:
       self.makeTestConfig(options)
     else:
       if options.autorun:
         self.urlOpts.append("autorun=1")
       if options.timeout:
         self.urlOpts.append("timeout=%d" % options.timeout)
       if options.closeWhenDone:
         self.urlOpts.append("closeWhenDone=1")
       if options.logFile:
         self.urlOpts.append("logFile=" + encodeURIComponent(options.logFile))
         self.urlOpts.append("fileLevel=" + encodeURIComponent(options.fileLevel))
       if options.consoleLevel:
         self.urlOpts.append("consoleLevel=" + encodeURIComponent(options.consoleLevel))
       if options.totalChunks:
         self.urlOpts.append("totalChunks=%d" % options.totalChunks)
         self.urlOpts.append("thisChunk=%d" % options.thisChunk)
       if options.chunkByDir:
         self.urlOpts.append("chunkByDir=%d" % options.chunkByDir)
       if options.startAt:
         self.urlOpts.append("startAt=%s" % options.startAt)
       if options.endAt:
         self.urlOpts.append("endAt=%s" % options.endAt)
       if options.shuffle:
         self.urlOpts.append("shuffle=1")
       if "MOZ_HIDE_RESULTS_TABLE" in env and env["MOZ_HIDE_RESULTS_TABLE"] == "1":
         self.urlOpts.append("hideResultsTable=1")
       if options.runUntilFailure:
         self.urlOpts.append("runUntilFailure=1")
       if options.repeat:
         self.urlOpts.append("repeat=%d" % options.repeat)
       if os.path.isfile(os.path.join(self.oldcwd, os.path.dirname(__file__), self.TEST_PATH, options.testPath)) and options.repeat > 0:
         self.urlOpts.append("testname=%s" % ("/").join([self.TEST_PATH, options.testPath]))
       if options.testManifest:
         self.urlOpts.append("testManifest=%s" % options.testManifest)
         if hasattr(options, 'runOnly') and options.runOnly:
           self.urlOpts.append("runOnly=true")
         else:
           self.urlOpts.append("runOnly=false")
       if options.manifestFile:
         self.urlOpts.append("manifestFile=%s" % options.manifestFile)
       if options.failureFile:
         self.urlOpts.append("failureFile=%s" % self.getFullPath(options.failureFile))
       if options.runSlower:
         self.urlOpts.append("runSlower=true")
       if options.debugOnFailure:
         self.urlOpts.append("debugOnFailure=true")
       if options.dumpOutputDirectory:
         self.urlOpts.append("dumpOutputDirectory=%s" % encodeURIComponent(options.dumpOutputDirectory))
       if options.dumpAboutMemoryAfterTest:
         self.urlOpts.append("dumpAboutMemoryAfterTest=true")
       if options.dumpDMDAfterTest:
         self.urlOpts.append("dumpDMDAfterTest=true")
       if options.quiet:
         self.urlOpts.append("quiet=true")
   def getTestFlavor(self, options):
     if options.browserChrome:
       return "browser-chrome"
     elif options.chrome:
       return "chrome"
     elif options.a11y:
       return "a11y"
     elif options.webapprtChrome:
       return "webapprt-chrome"
     else:
       return "mochitest"
   # This check can be removed when bug 983867 is fixed.
   def isTest(self, options, filename):
     allow_js_css = False
     if options.browserChrome:
       allow_js_css = True
       testPattern = re.compile(r"browser_.+\.js")
     elif options.chrome or options.a11y:
       testPattern = re.compile(r"(browser|test)_.+\.(xul|html|js|xhtml)")
     elif options.webapprtContent:
       testPattern = re.compile(r"webapprt_")
     elif options.webapprtChrome:
       allow_js_css = True
       testPattern = re.compile(r"browser_")
     else:
       testPattern = re.compile(r"test_")
     if not allow_js_css and (".js" in filename or ".css" in filename):
       return False
     pathPieces = filename.split("/")
     return (testPattern.match(pathPieces[-1]) and
             not re.search(r'\^headers\^$', filename))
   def getTestPath(self, options):
     if options.ipcplugins:
       return "dom/plugins/test"
     else:
       return options.testPath
   def getTestRoot(self, options):
     if options.browserChrome:
       if options.immersiveMode:
         return 'metro'
       return 'browser'
     elif options.a11y:
       return 'a11y'
     elif options.webapprtChrome:
       return 'webapprtChrome'
     elif options.chrome:
       return 'chrome'
     return self.TEST_PATH
   def buildTestURL(self, options):
     testHost = "http://mochi.test:8888"
     testPath = self.getTestPath(options)
     testURL = "/".join([testHost, self.TEST_PATH, testPath])
     if os.path.isfile(os.path.join(self.oldcwd, os.path.dirname(__file__), self.TEST_PATH, testPath)) and options.repeat > 0:
       testURL = "/".join([testHost, self.TEST_PATH, os.path.dirname(testPath)])
     if options.chrome or options.a11y:
       testURL = "/".join([testHost, self.CHROME_PATH])
     elif options.browserChrome:
       testURL = "about:blank"
     return testURL
   def buildTestPath(self, options):
     """ Build the url path to the specific test harness and test file or directory
         Build a manifest of tests to run and write out a json file for the harness to read
     """
     manifest = None
     testRoot = self.getTestRoot(options)
     # testdir refers to 'mochitest' here.
     testdir = SCRIPT_DIR.split(os.getcwd())[-1]
     testdir = testdir.strip(os.sep)
     testRootAbs = os.path.abspath(os.path.join(testdir, testRoot))
     if isinstance(options.manifestFile, TestManifest):
         manifest = options.manifestFile
     elif options.manifestFile and os.path.isfile(options.manifestFile):
       manifestFileAbs = os.path.abspath(options.manifestFile)
       assert manifestFileAbs.startswith(testRootAbs)
       manifest = TestManifest([options.manifestFile], strict=False)
     else:
       masterName = self.getTestFlavor(options) + '.ini'
       masterPath = os.path.join(testdir, testRoot, masterName)
       if os.path.exists(masterPath):
         manifest = TestManifest([masterPath], strict=False)
     if manifest:
       # Python 2.6 doesn't allow unicode keys to be used for keyword
       # arguments. This gross hack works around the problem until we
       # rid ourselves of 2.6.
       info = {}
       for k, v in mozinfo.info.items():
         if isinstance(k, unicode):
           k = k.encode('ascii')
         info[k] = v
       # Bug 883858 - return all tests including disabled tests
       tests = manifest.active_tests(disabled=True, options=options, **info)
       paths = []
       testPath = self.getTestPath(options)
       for test in tests:
         pathAbs = os.path.abspath(test['path'])
         assert pathAbs.startswith(testRootAbs)
         tp = pathAbs[len(testRootAbs):].replace('\\', '/').strip('/')
         # Filter out tests if we are using --test-path
         if testPath and not tp.startswith(testPath):
           continue
         if not self.isTest(options, tp):
           print 'Warning: %s from manifest %s is not a valid test' % (test['name'], test['manifest'])
           continue
         testob = {'path': tp}
         if test.has_key('disabled'):
           testob['disabled'] = test['disabled']
         paths.append(testob)
       # Sort tests so they are run in a deterministic order.
       def path_sort(ob1, ob2):
         path1 = ob1['path'].split('/')
         path2 = ob2['path'].split('/')
         return cmp(path1, path2)
       paths.sort(path_sort)
       # Bug 883865 - add this functionality into manifestDestiny
       with open(os.path.join(testdir, 'tests.json'), 'w') as manifestFile:
         manifestFile.write(json.dumps({'tests': paths}))
       options.manifestFile = 'tests.json'
     return self.buildTestURL(options)
   def startWebSocketServer(self, options, debuggerInfo):
     """ Launch the websocket server """
     self.wsserver = WebSocketServer(options, SCRIPT_DIR, debuggerInfo)
     self.wsserver.start()
   def startWebServer(self, options):
     """Create the webserver and start it up"""
     self.server = MochitestServer(options)
     self.server.start()
     if options.pidFile != "":
       with open(options.pidFile + ".xpcshell.pid", 'w') as f:
         f.write("%s" % self.server._process.pid)
   def startServers(self, options, debuggerInfo):
     # start servers and set ports
     # TODO: pass these values, don't set on `self`
     self.webServer = options.webServer
     self.httpPort = options.httpPort
     self.sslPort = options.sslPort
     self.webSocketPort = options.webSocketPort
     # httpd-path is specified by standard makefile targets and may be specified
     # on the command line to select a particular version of httpd.js. If not
     # specified, try to select the one from hostutils.zip, as required in bug 882932.
     if not options.httpdPath:
       options.httpdPath = os.path.join(options.utilityPath, "components")
     self.startWebServer(options)
     self.startWebSocketServer(options, debuggerInfo)
     # start SSL pipe
     self.sslTunnel = SSLTunnel(options)
     self.sslTunnel.buildConfig(self.locations)
     self.sslTunnel.start()
     # If we're lucky, the server has fully started by now, and all paths are
     # ready, etc.  However, xpcshell cold start times suck, at least for debug
     # builds.  We'll try to connect to the server for awhile, and if we fail,
     # we'll try to kill the server and exit with an error.
     if self.server is not None:
       self.server.ensureReady(self.SERVER_STARTUP_TIMEOUT)
   def stopServers(self):
     """Servers are no longer needed, and perhaps more importantly, anything they
         might spew to console might confuse things."""
     if self.server is not None:
       try:
         log.info('Stopping web server')
         self.server.stop()
       except Exception:
         log.exception('Exception when stopping web server')
     if self.wsserver is not None:
       try:
         log.info('Stopping web socket server')
         self.wsserver.stop()
       except Exception:
         log.exception('Exception when stopping web socket server');
     if self.sslTunnel is not None:
       try:
         log.info('Stopping ssltunnel')
         self.sslTunnel.stop()
       except Exception:
         log.exception('Exception stopping ssltunnel');
   def copyExtraFilesToProfile(self, options):
     "Copy extra files or dirs specified on the command line to the testing profile."
     for f in options.extraProfileFiles:
       abspath = self.getFullPath(f)
       if os.path.isfile(abspath):
         shutil.copy2(abspath, options.profilePath)
       elif os.path.isdir(abspath):
         dest = os.path.join(options.profilePath, os.path.basename(abspath))
         shutil.copytree(abspath, dest)
       else:
         log.warning("runtests.py | Failed to copy %s to profile", abspath)
   def installChromeJar(self, chrome, options):
     """
       copy mochijar directory to profile as an extension so we have chrome://mochikit for all harness code
     """
     # Write chrome.manifest.
     with open(os.path.join(options.profilePath, "extensions", "staged", "mochikit@mozilla.org", "chrome.manifest"), "a") as mfile:
       mfile.write(chrome)
   def addChromeToProfile(self, options):
     "Adds MochiKit chrome tests to the profile."
     # Create (empty) chrome directory.
     chromedir = os.path.join(options.profilePath, "chrome")
     os.mkdir(chromedir)
     # Write userChrome.css.
     chrome = """
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* set default namespace to XUL */
 toolbar,
 toolbarpalette {
   background-color: rgb(235, 235, 235) !important;
 }
 toolbar#nav-bar {
   background-image: none !important;
 }
 """
     with open(os.path.join(options.profilePath, "userChrome.css"), "a") as chromeFile:
       chromeFile.write(chrome)
     manifest = os.path.join(options.profilePath, "tests.manifest")
     with open(manifest, "w") as manifestFile:
       # Register chrome directory.
       chrometestDir = os.path.join(os.path.abspath("."), SCRIPT_DIR) + "/"
       if mozinfo.isWin:
         chrometestDir = "file:///" + chrometestDir.replace("\\", "/")
       manifestFile.write("content mochitests %s contentaccessible=yes\n" % chrometestDir)
       if options.testingModulesDir is not None:
         manifestFile.write("resource testing-common file:///%s\n" %
           options.testingModulesDir)
     # Call installChromeJar().
     if not os.path.isdir(os.path.join(SCRIPT_DIR, self.jarDir)):
       log.testFail("invalid setup: missing mochikit extension")
       return None
     # Support Firefox (browser), B2G (shell), SeaMonkey (navigator), and Webapp
     # Runtime (webapp).
     chrome = ""
     if options.browserChrome or options.chrome or options.a11y or options.webapprtChrome:
       chrome += """
 overlay chrome://browser/content/browser.xul chrome://mochikit/content/browser-test-overlay.xul
 overlay chrome://browser/content/shell.xhtml chrome://mochikit/content/browser-test-overlay.xul
 overlay chrome://navigator/content/navigator.xul chrome://mochikit/content/browser-test-overlay.xul
 overlay chrome://webapprt/content/webapp.xul chrome://mochikit/content/browser-test-overlay.xul
 """
     self.installChromeJar(chrome, options)
     return manifest
   def getExtensionsToInstall(self, options):
     "Return a list of extensions to install in the profile"
     extensions = options.extensionsToInstall or []
     appDir = options.app[:options.app.rfind(os.sep)] if options.app else options.utilityPath
     extensionDirs = [
       # Extensions distributed with the test harness.
       os.path.normpath(os.path.join(SCRIPT_DIR, "extensions")),
     ]
     if appDir:
       # Extensions distributed with the application.
       extensionDirs.append(os.path.join(appDir, "distribution", "extensions"))
     for extensionDir in extensionDirs:
       if os.path.isdir(extensionDir):
         for dirEntry in os.listdir(extensionDir):
           if dirEntry not in options.extensionsToExclude:
             path = os.path.join(extensionDir, dirEntry)
             if os.path.isdir(path) or (os.path.isfile(path) and path.endswith(".xpi")):
               extensions.append(path)
     # append mochikit
     extensions.append(os.path.join(SCRIPT_DIR, self.jarDir))
     return extensions
 class SSLTunnel:
   def __init__(self, options):
     self.process = None
     self.utilityPath = options.utilityPath
     self.xrePath = options.xrePath
     self.certPath = options.certPath
     self.sslPort = options.sslPort
     self.httpPort = options.httpPort
     self.webServer = options.webServer
     self.webSocketPort = options.webSocketPort
     self.customCertRE = re.compile("^cert=(?P<nickname>[0-9a-zA-Z_ ]+)")
     self.clientAuthRE = re.compile("^clientauth=(?P<clientauth>[a-z]+)")
     self.redirRE      = re.compile("^redir=(?P<redirhost>[0-9a-zA-Z_ .]+)")
   def writeLocation(self, config, loc):
     for option in loc.options:
       match = self.customCertRE.match(option)
       if match:
         customcert = match.group("nickname");
         config.write("listen:%s:%s:%s:%s\n" %
                      (loc.host, loc.port, self.sslPort, customcert))
       match = self.clientAuthRE.match(option)
       if match:
         clientauth = match.group("clientauth");
         config.write("clientauth:%s:%s:%s:%s\n" %
                      (loc.host, loc.port, self.sslPort, clientauth))
       match = self.redirRE.match(option)
       if match:
         redirhost = match.group("redirhost")
         config.write("redirhost:%s:%s:%s:%s\n" %
                      (loc.host, loc.port, self.sslPort, redirhost))
   def buildConfig(self, locations):
     """Create the ssltunnel configuration file"""
     configFd, self.configFile = tempfile.mkstemp(prefix="ssltunnel", suffix=".cfg")
     with os.fdopen(configFd, "w") as config:
       config.write("httpproxy:1\n")
       config.write("certdbdir:%s\n" % self.certPath)
       config.write("forward:127.0.0.1:%s\n" % self.httpPort)
       config.write("websocketserver:%s:%s\n" % (self.webServer, self.webSocketPort))
       config.write("listen:*:%s:pgo server certificate\n" % self.sslPort)
       for loc in locations:
         if loc.scheme == "https" and "nocert" not in loc.options:
           self.writeLocation(config, loc)
   def start(self):
     """ Starts the SSL Tunnel """
     # start ssltunnel to provide https:// URLs capability
     bin_suffix = mozinfo.info.get('bin_suffix', '')
     ssltunnel = os.path.join(self.utilityPath, "ssltunnel" + bin_suffix)
     if not os.path.exists(ssltunnel):
       log.error("INFO | runtests.py | expected to find ssltunnel at %s", ssltunnel)
       exit(1)
     env = environment(xrePath=self.xrePath)
     self.process = mozprocess.ProcessHandler([ssltunnel, self.configFile],
                                                env=env)
     self.process.run()
     log.info("INFO | runtests.py | SSL tunnel pid: %d", self.process.pid)
   def stop(self):
     """ Stops the SSL Tunnel and cleans up """
     if self.process is not None:
       self.process.kill()
     if os.path.exists(self.configFile):
       os.remove(self.configFile)
 class Mochitest(MochitestUtilsMixin):
   certdbNew = False
   sslTunnel = None
   vmwareHelper = None
   DEFAULT_TIMEOUT = 60.0
   # XXX use automation.py for test name to avoid breaking legacy
   # TODO: replace this with 'runtests.py' or 'mochitest' or the like
   test_name = 'automation.py'
   def __init__(self):
     super(Mochitest, self).__init__()
     # environment function for browserEnv
     self.environment = environment
     # Max time in seconds to wait for server startup before tests will fail -- if
     # this seems big, it's mostly for debug machines where cold startup
     # (particularly after a build) takes forever.
     self.SERVER_STARTUP_TIMEOUT = 180 if mozinfo.info.get('debug') else 90
     # metro browser sub process id
     self.browserProcessId = None
     self.haveDumpedScreen = False
   def extraPrefs(self, extraPrefs):
     """interpolate extra preferences from option strings"""
     try:
       return dict(parseKeyValue(extraPrefs, context='--setpref='))
     except KeyValueParseError, e:
       print str(e)
       sys.exit(1)
   def fillCertificateDB(self, options):
     # TODO: move -> mozprofile:
     # https://bugzilla.mozilla.org/show_bug.cgi?id=746243#c35
     pwfilePath = os.path.join(options.profilePath, ".crtdbpw")
     with open(pwfilePath, "w") as pwfile:
       pwfile.write("\n")
     # Pre-create the certification database for the profile
     env = self.environment(xrePath=options.xrePath)
     bin_suffix = mozinfo.info.get('bin_suffix', '')
     certutil = os.path.join(options.utilityPath, "certutil" + bin_suffix)
     pk12util = os.path.join(options.utilityPath, "pk12util" + bin_suffix)
     if self.certdbNew:
       # android and b2g use the new DB formats exclusively
       certdbPath = "sql:" + options.profilePath
     else:
       # desktop seems to use the old
       certdbPath = options.profilePath
     status = call([certutil, "-N", "-d", certdbPath, "-f", pwfilePath], env=env)
     if status:
       return status
     # Walk the cert directory and add custom CAs and client certs
     files = os.listdir(options.certPath)
     for item in files:
       root, ext = os.path.splitext(item)
       if ext == ".ca":
         trustBits = "CT,,"
         if root.endswith("-object"):
           trustBits = "CT,,CT"
         call([certutil, "-A", "-i", os.path.join(options.certPath, item),
               "-d", certdbPath, "-f", pwfilePath, "-n", root, "-t", trustBits],
               env=env)
       elif ext == ".client":
         call([pk12util, "-i", os.path.join(options.certPath, item),
               "-w", pwfilePath, "-d", certdbPath],
               env=env)
     os.unlink(pwfilePath)
     return 0
   def buildProfile(self, options):
     """ create the profile and add optional chrome bits and files if requested """
     if options.browserChrome and options.timeout:
       options.extraPrefs.append("testing.browserTestHarness.timeout=%d" % options.timeout)
     options.extraPrefs.append("browser.tabs.remote=%s" % ('true' if options.e10s else 'false'))
     options.extraPrefs.append("browser.tabs.remote.autostart=%s" % ('true' if options.e10s else 'false'))
     # get extensions to install
     extensions = self.getExtensionsToInstall(options)
     # web apps
     appsPath = os.path.join(SCRIPT_DIR, 'profile_data', 'webapps_mochitest.json')
     if os.path.exists(appsPath):
       with open(appsPath) as apps_file:
         apps = json.load(apps_file)
     else:
       apps = None
     # preferences
     prefsPath = os.path.join(SCRIPT_DIR, 'profile_data', 'prefs_general.js')
     prefs = dict(Preferences.read_prefs(prefsPath))
     prefs.update(self.extraPrefs(options.extraPrefs))
     # interpolate preferences
     interpolation = {"server": "%s:%s" % (options.webServer, options.httpPort)}
     prefs = json.loads(json.dumps(prefs) % interpolation)
     for pref in prefs:
       prefs[pref] = Preferences.cast(prefs[pref])
     # TODO: make this less hacky
     # https://bugzilla.mozilla.org/show_bug.cgi?id=913152
     # proxy
     proxy = {'remote': options.webServer,
              'http': options.httpPort,
              'https': options.sslPort,
     # use SSL port for legacy compatibility; see
     # - https://bugzilla.mozilla.org/show_bug.cgi?id=688667#c66
     # - https://bugzilla.mozilla.org/show_bug.cgi?id=899221
     # - https://github.com/mozilla/mozbase/commit/43f9510e3d58bfed32790c82a57edac5f928474d
     #             'ws': str(self.webSocketPort)
              'ws': options.sslPort
              }
     # create a profile
     self.profile = Profile(profile=options.profilePath,
                            addons=extensions,
                            locations=self.locations,
                            preferences=prefs,
                            apps=apps,
                            proxy=proxy
                            )
     # Fix options.profilePath for legacy consumers.
     options.profilePath = self.profile.profile
     manifest = self.addChromeToProfile(options)
     self.copyExtraFilesToProfile(options)
     # create certificate database for the profile
     # TODO: this should really be upstreamed somewhere, maybe mozprofile
     certificateStatus = self.fillCertificateDB(options)
     if certificateStatus:
       log.info("TEST-UNEXPECTED-FAIL | runtests.py | Certificate integration failed")
       return None
     return manifest
   def buildBrowserEnv(self, options, debugger=False):
     """build the environment variables for the specific test and operating system"""
     browserEnv = self.environment(xrePath=options.xrePath, debugger=debugger,
                                   dmdPath=options.dmdPath)
     # These variables are necessary for correct application startup; change
     # via the commandline at your own risk.
     browserEnv["XPCOM_DEBUG_BREAK"] = "stack"
     # interpolate environment passed with options
     try:
       browserEnv.update(dict(parseKeyValue(options.environment, context='--setenv')))
     except KeyValueParseError, e:
       log.error(str(e))
       return
     browserEnv["XPCOM_MEM_BLOAT_LOG"] = self.leak_report_file
     if options.fatalAssertions:
       browserEnv["XPCOM_DEBUG_BREAK"] = "stack-and-abort"
     # Produce an NSPR log, is setup (see NSPR_LOG_MODULES global at the top of
     # this script).
     self.nsprLogs = NSPR_LOG_MODULES and "MOZ_UPLOAD_DIR" in os.environ
     if self.nsprLogs:
       browserEnv["NSPR_LOG_MODULES"] = NSPR_LOG_MODULES
       browserEnv["NSPR_LOG_FILE"] = "%s/nspr.log" % tempfile.gettempdir()
       browserEnv["GECKO_SEPARATE_NSPR_LOGS"] = "1"
     if debugger and not options.slowscript:
       browserEnv["JS_DISABLE_SLOW_SCRIPT_SIGNALS"] = "1"
     return browserEnv
   def cleanup(self, manifest, options):
     """ remove temporary files and profile """
     os.remove(manifest)
     del self.profile
     if options.pidFile != "":
       try:
         os.remove(options.pidFile)
         if os.path.exists(options.pidFile + ".xpcshell.pid"):
           os.remove(options.pidFile + ".xpcshell.pid")
       except:
         log.warn("cleaning up pidfile '%s' was unsuccessful from the test harness", options.pidFile)
   def dumpScreen(self, utilityPath):
     if self.haveDumpedScreen:
       log.info("Not taking screenshot here: see the one that was previously logged")
       return
     self.haveDumpedScreen = True
     dumpScreen(utilityPath)
   def killAndGetStack(self, processPID, utilityPath, debuggerInfo, dump_screen=False):
     """
     Kill the process, preferrably in a way that gets us a stack trace.
     Also attempts to obtain a screenshot before killing the process
     if specified.
     """
     if dump_screen:
       self.dumpScreen(utilityPath)
     if mozinfo.info.get('crashreporter', True) and not debuggerInfo:
       if mozinfo.isWin:
         # We should have a "crashinject" program in our utility path
         crashinject = os.path.normpath(os.path.join(utilityPath, "crashinject.exe"))
         if os.path.exists(crashinject):
           status = subprocess.Popen([crashinject, str(processPID)]).wait()
           printstatus(status, "crashinject")
           if status == 0:
             return
       else:
         try:
           os.kill(processPID, signal.SIGABRT)
         except OSError:
           # https://bugzilla.mozilla.org/show_bug.cgi?id=921509
           log.info("Can't trigger Breakpad, process no longer exists")
         return
     log.info("Can't trigger Breakpad, just killing process")
     killPid(processPID)
   def checkForZombies(self, processLog, utilityPath, debuggerInfo):
     """Look for hung processes"""
     if not os.path.exists(processLog):
       log.info('Automation Error: PID log not found: %s', processLog)
       # Whilst no hung process was found, the run should still display as a failure
       return True
     # scan processLog for zombies
     log.info('INFO | zombiecheck | Reading PID log: %s', processLog)
     processList = []
     pidRE = re.compile(r'launched child process (\d+)$')
     with open(processLog) as processLogFD:
       for line in processLogFD:
         log.info(line.rstrip())
         m = pidRE.search(line)
         if m:
           processList.append(int(m.group(1)))
     # kill zombies
     foundZombie = False
     for processPID in processList:
       log.info("INFO | zombiecheck | Checking for orphan process with PID: %d", processPID)
       if isPidAlive(processPID):
         foundZombie = True
         log.info("TEST-UNEXPECTED-FAIL | zombiecheck | child process %d still alive after shutdown", processPID)
         self.killAndGetStack(processPID, utilityPath, debuggerInfo, dump_screen=not debuggerInfo)
     return foundZombie
   def startVMwareRecording(self, options):
     """ starts recording inside VMware VM using the recording helper dll """
     assert mozinfo.isWin
     from ctypes import cdll
     self.vmwareHelper = cdll.LoadLibrary(self.vmwareHelperPath)
     if self.vmwareHelper is None:
       log.warning("runtests.py | Failed to load "
                    "VMware recording helper")
       return
     log.info("runtests.py | Starting VMware recording.")
     try:
       self.vmwareHelper.StartRecording()
     except Exception, e:
       log.warning("runtests.py | Failed to start "
                   "VMware recording: (%s)" % str(e))
       self.vmwareHelper = None
   def stopVMwareRecording(self):
     """ stops recording inside VMware VM using the recording helper dll """
     try:
       assert mozinfo.isWin
       if self.vmwareHelper is not None:
         log.info("runtests.py | Stopping VMware recording.")
         self.vmwareHelper.StopRecording()
     except Exception, e:
       log.warning("runtests.py | Failed to stop "
                   "VMware recording: (%s)" % str(e))
       log.exception('Error stopping VMWare recording')
     self.vmwareHelper = None
   def runApp(self,
              testUrl,
              env,
              app,
              profile,
              extraArgs,
              utilityPath,
              debuggerInfo=None,
              symbolsPath=None,
              timeout=-1,
              onLaunch=None,
              webapprtChrome=False,
              hide_subtests=False,
              screenshotOnFail=False):
     """
     Run the app, log the duration it took to execute, return the status code.
     Kills the app if it runs for longer than |maxTime| seconds, or outputs nothing for |timeout| seconds.
     """
     # debugger information
     interactive = False
     debug_args = None
     if debuggerInfo:
         interactive = debuggerInfo['interactive']
         debug_args = [debuggerInfo['path']] + debuggerInfo['args']
     # fix default timeout
     if timeout == -1:
       timeout = self.DEFAULT_TIMEOUT
     # build parameters
     is_test_build = mozinfo.info.get('tests_enabled', True)
     bin_suffix = mozinfo.info.get('bin_suffix', '')
     # copy env so we don't munge the caller's environment
     env = env.copy()
     # make sure we clean up after ourselves.
     try:
       # set process log environment variable
       tmpfd, processLog = tempfile.mkstemp(suffix='pidlog')
       os.close(tmpfd)
       env["MOZ_PROCESS_LOG"] = processLog
       if interactive:
         # If an interactive debugger is attached,
         # don't use timeouts, and don't capture ctrl-c.
         timeout = None
         signal.signal(signal.SIGINT, lambda sigid, frame: None)
       # build command line
       cmd = os.path.abspath(app)
       args = list(extraArgs)
       # TODO: mozrunner should use -foreground at least for mac
       # https://bugzilla.mozilla.org/show_bug.cgi?id=916512
       args.append('-foreground')
       if testUrl:
         if debuggerInfo and debuggerInfo['requiresEscapedArgs']:
           testUrl = testUrl.replace("&", "\\&")
         args.append(testUrl)
       if mozinfo.info["debug"] and not webapprtChrome:
         shutdownLeaks = ShutdownLeaks(log.info)
       else:
         shutdownLeaks = None
       # create an instance to process the output
       outputHandler = self.OutputHandler(harness=self,
                                          utilityPath=utilityPath,
                                          symbolsPath=symbolsPath,
                                          dump_screen_on_timeout=not debuggerInfo,
                                          dump_screen_on_fail=screenshotOnFail,
                                          hide_subtests=hide_subtests,
                                          shutdownLeaks=shutdownLeaks,
         )
       def timeoutHandler():
         outputHandler.log_output_buffer()
         browserProcessId = outputHandler.browserProcessId
         self.handleTimeout(timeout, proc, utilityPath, debuggerInfo, browserProcessId)
       kp_kwargs = {'kill_on_timeout': False,
                    'cwd': SCRIPT_DIR,
                    'onTimeout': [timeoutHandler]}
       kp_kwargs['processOutputLine'] = [outputHandler]
       # create mozrunner instance and start the system under test process
       self.lastTestSeen = self.test_name
       startTime = datetime.now()
       # b2g desktop requires FirefoxRunner even though appname is b2g
       if mozinfo.info.get('appname') == 'b2g' and mozinfo.info.get('toolkit') != 'gonk':
           runner_cls = mozrunner.FirefoxRunner
       else:
           runner_cls = mozrunner.runners.get(mozinfo.info.get('appname', 'firefox'),
                                              mozrunner.Runner)
       runner = runner_cls(profile=self.profile,
                           binary=cmd,
                           cmdargs=args,
                           env=env,
                           process_class=mozprocess.ProcessHandlerMixin,
                           kp_kwargs=kp_kwargs,
                           )
       # XXX work around bug 898379 until mozrunner is updated for m-c; see
       # https://bugzilla.mozilla.org/show_bug.cgi?id=746243#c49
       runner.kp_kwargs = kp_kwargs
       # start the runner
       runner.start(debug_args=debug_args,
                    interactive=interactive,
                    outputTimeout=timeout)
       proc = runner.process_handler
       log.info("INFO | runtests.py | Application pid: %d", proc.pid)
       if onLaunch is not None:
         # Allow callers to specify an onLaunch callback to be fired after the
         # app is launched.
         # We call onLaunch for b2g desktop mochitests so that we can
         # run a Marionette script after gecko has completed startup.
         onLaunch()
       # wait until app is finished
       # XXX copy functionality from
       # https://github.com/mozilla/mozbase/blob/master/mozrunner/mozrunner/runner.py#L61
       # until bug 913970 is fixed regarding mozrunner `wait` not returning status
       # see https://bugzilla.mozilla.org/show_bug.cgi?id=913970
       status = proc.wait()
       printstatus(status, "Main app process")
       runner.process_handler = None
       if timeout is None:
         didTimeout = False
       else:
         didTimeout = proc.didTimeout
       # finalize output handler
       outputHandler.finish(didTimeout)
       # record post-test information
       if status:
         log.info("TEST-UNEXPECTED-FAIL | %s | application terminated with exit code %s", self.lastTestSeen, status)
       else:
         self.lastTestSeen = 'Main app process exited normally'
       log.info("INFO | runtests.py | Application ran for: %s", str(datetime.now() - startTime))
       # Do a final check for zombie child processes.
       zombieProcesses = self.checkForZombies(processLog, utilityPath, debuggerInfo)
       # check for crashes
       minidump_path = os.path.join(self.profile.profile, "minidumps")
       crashed = mozcrash.check_for_crashes(minidump_path,
                                            symbolsPath,
                                            test_name=self.lastTestSeen)
       if crashed or zombieProcesses:
         status = 1
     finally:
       # cleanup
       if os.path.exists(processLog):
         os.remove(processLog)
     return status
   def runTests(self, options, onLaunch=None):
     """ Prepare, configure, run tests and cleanup """
     # get debugger info, a dict of:
     # {'path': path to the debugger (string),
     #  'interactive': whether the debugger is interactive or not (bool)
     #  'args': arguments to the debugger (list)
     # TODO: use mozrunner.local.debugger_arguments:
     # https://github.com/mozilla/mozbase/blob/master/mozrunner/mozrunner/local.py#L42
     debuggerInfo = getDebuggerInfo(self.oldcwd,
                                    options.debugger,
                                    options.debuggerArgs,
                                    options.debuggerInteractive)
     self.leak_report_file = os.path.join(options.profilePath, "runtests_leaks.log")
     browserEnv = self.buildBrowserEnv(options, debuggerInfo is not None)
     if browserEnv is None:
       return 1
     # buildProfile sets self.profile .
     # This relies on sideeffects and isn't very stateful:
     # https://bugzilla.mozilla.org/show_bug.cgi?id=919300
     manifest = self.buildProfile(options)
     if manifest is None:
       return 1
     try:
       self.startServers(options, debuggerInfo)
       testURL = self.buildTestPath(options)
       self.buildURLOptions(options, browserEnv)
       if self.urlOpts:
         testURL += "?" + "&".join(self.urlOpts)
       if options.webapprtContent:
         options.browserArgs.extend(('-test-mode', testURL))
         testURL = None
       if options.immersiveMode:
         options.browserArgs.extend(('-firefoxpath', options.app))
         options.app = self.immersiveHelperPath
       if options.jsdebugger:
         options.browserArgs.extend(['-jsdebugger'])
       # Remove the leak detection file so it can't "leak" to the tests run.
       # The file is not there if leak logging was not enabled in the application build.
       if os.path.exists(self.leak_report_file):
         os.remove(self.leak_report_file)
       # then again to actually run mochitest
       if options.timeout:
         timeout = options.timeout + 30
       elif options.debugger or not options.autorun:
         timeout = None
       else:
         timeout = 330.0 # default JS harness timeout is 300 seconds
       if options.vmwareRecording:
         self.startVMwareRecording(options);
       log.info("runtests.py | Running tests: start.\n")
       try:
         status = self.runApp(testURL,
                              browserEnv,
                              options.app,
                              profile=self.profile,
                              extraArgs=options.browserArgs,
                              utilityPath=options.utilityPath,
                              debuggerInfo=debuggerInfo,
                              symbolsPath=options.symbolsPath,
                              timeout=timeout,
                              onLaunch=onLaunch,
                              webapprtChrome=options.webapprtChrome,
                              hide_subtests=options.hide_subtests,
                              screenshotOnFail=options.screenshotOnFail
         )
       except KeyboardInterrupt:
         log.info("runtests.py | Received keyboard interrupt.\n");
         status = -1
       except:
         traceback.print_exc()
         log.error("Automation Error: Received unexpected exception while running application\n")
         status = 1
     finally:
       if options.vmwareRecording:
         self.stopVMwareRecording();
       self.stopServers()
     processLeakLog(self.leak_report_file, options.leakThreshold)
     if self.nsprLogs:
       with zipfile.ZipFile("%s/nsprlog.zip" % browserEnv["MOZ_UPLOAD_DIR"], "w", zipfile.ZIP_DEFLATED) as logzip:
         for logfile in glob.glob("%s/nspr*.log*" % tempfile.gettempdir()):
           logzip.write(logfile)
           os.remove(logfile)
     log.info("runtests.py | Running tests: end.")
     if manifest is not None:
       self.cleanup(manifest, options)
     return status
   def handleTimeout(self, timeout, proc, utilityPath, debuggerInfo, browserProcessId):
     """handle process output timeout"""
     # TODO: bug 913975 : _processOutput should call self.processOutputLine one more time one timeout (I think)
     log.info("TEST-UNEXPECTED-FAIL | %s | application timed out after %d seconds with no output", self.lastTestSeen, int(timeout))
     browserProcessId = browserProcessId or proc.pid
     self.killAndGetStack(browserProcessId, utilityPath, debuggerInfo, dump_screen=not debuggerInfo)
   ### output processing
   class OutputHandler(object):
     """line output handler for mozrunner"""
     def __init__(self, harness, utilityPath, symbolsPath=None, dump_screen_on_timeout=True, dump_screen_on_fail=False,
                  hide_subtests=False, shutdownLeaks=None):
       """
       harness -- harness instance
       dump_screen_on_timeout -- whether to dump the screen on timeout
       """
       self.harness = harness
       self.output_buffer = []
       self.running_test = False
       self.utilityPath = utilityPath
       self.symbolsPath = symbolsPath
       self.dump_screen_on_timeout = dump_screen_on_timeout
       self.dump_screen_on_fail = dump_screen_on_fail
       self.hide_subtests = hide_subtests
       self.shutdownLeaks = shutdownLeaks
       # perl binary to use
       self.perl = which('perl')
       # With metro browser runs this script launches the metro test harness which launches the browser.
       # The metro test harness hands back the real browser process id via log output which we need to
       # pick up on and parse out. This variable tracks the real browser process id if we find it.
       self.browserProcessId = None
       # stack fixer function and/or process
       self.stackFixerFunction, self.stackFixerProcess = self.stackFixer()
     def processOutputLine(self, line):
       """per line handler of output for mozprocess"""
       for handler in self.outputHandlers():
         line = handler(line)
     __call__ = processOutputLine
     def outputHandlers(self):
       """returns ordered list of output handlers"""
       return [self.fix_stack,
               self.format,
               self.dumpScreenOnTimeout,
               self.dumpScreenOnFail,
               self.metro_subprocess_id,
               self.trackShutdownLeaks,
               self.check_test_failure,
               self.log,
               self.record_last_test,
               ]
     def stackFixer(self):
       """
       return 2-tuple, (stackFixerFunction, StackFixerProcess),
       if any, to use on the output lines
       """
       if not mozinfo.info.get('debug'):
         return None, None
       stackFixerFunction = stackFixerProcess = None
       def import_stackFixerModule(module_name):
         sys.path.insert(0, self.utilityPath)
         module = __import__(module_name, globals(), locals(), [])
         sys.path.pop(0)
         return module
       if self.symbolsPath and os.path.exists(self.symbolsPath):
         # Run each line through a function in fix_stack_using_bpsyms.py (uses breakpad symbol files)
         # This method is preferred for Tinderbox builds, since native symbols may have been stripped.
         stackFixerModule = import_stackFixerModule('fix_stack_using_bpsyms')
         stackFixerFunction = lambda line: stackFixerModule.fixSymbols(line, self.symbolsPath)
       elif mozinfo.isLinux and self.perl:
         # Run logsource through fix-linux-stack.pl (uses addr2line)
         # This method is preferred for developer machines, so we don't have to run "make buildsymbols".
         stackFixerCommand = [self.perl, os.path.join(self.utilityPath, "fix-linux-stack.pl")]
         stackFixerProcess = subprocess.Popen(stackFixerCommand, stdin=subprocess.PIPE,
                                              stdout=subprocess.PIPE)
         def fixFunc(line):
           stackFixerProcess.stdin.write(line + '\n')
           return stackFixerProcess.stdout.readline().rstrip()
         stackFixerFunction = fixFunc
       return (stackFixerFunction, stackFixerProcess)
     def finish(self, didTimeout):
       if self.stackFixerProcess:
         self.stackFixerProcess.communicate()
         status = self.stackFixerProcess.returncode
         if status and not didTimeout:
           log.info("TEST-UNEXPECTED-FAIL | runtests.py | Stack fixer process exited with code %d during test run", status)
       if self.shutdownLeaks:
         self.shutdownLeaks.process()
     def log_output_buffer(self):
         if self.output_buffer:
             lines = ['  %s' % line for line in self.output_buffer]
             log.info("Buffered test output:\n%s" % '\n'.join(lines))
     # output line handlers:
     # these take a line and return a line
     def fix_stack(self, line):
       if self.stackFixerFunction:
         return self.stackFixerFunction(line)
       return line
     def format(self, line):
       """format the line"""
       return line.rstrip().decode("UTF-8", "ignore")
     def dumpScreenOnTimeout(self, line):
       if not self.dump_screen_on_fail and self.dump_screen_on_timeout and "TEST-UNEXPECTED-FAIL" in line and "Test timed out" in line:
         self.log_output_buffer()
         self.harness.dumpScreen(self.utilityPath)
       return line
     def dumpScreenOnFail(self, line):
       if self.dump_screen_on_fail and "TEST-UNEXPECTED-FAIL" in line:
         self.log_output_buffer()
         self.harness.dumpScreen(self.utilityPath)
       return line
     def metro_subprocess_id(self, line):
       """look for metro browser subprocess id"""
       if "METRO_BROWSER_PROCESS" in line:
         index = line.find("=")
         if index != -1:
           self.browserProcessId = line[index+1:].rstrip()
           log.info("INFO | runtests.py | metro browser sub process id detected: %s", self.browserProcessId)
       return line
     def trackShutdownLeaks(self, line):
       if self.shutdownLeaks:
         self.shutdownLeaks.log(line)
       return line
     def check_test_failure(self, line):
       if 'TEST-END' in line:
         self.running_test = False
         if any('TEST-UNEXPECTED' in l for l in self.output_buffer):
           self.log_output_buffer()
       return line
     def log(self, line):
       if self.hide_subtests and self.running_test:
         self.output_buffer.append(line)
       else:
         # hack to make separators align nicely, remove when we use mozlog
         if self.hide_subtests and 'TEST-END' in line:
             index = line.index('TEST-END') + len('TEST-END')
             line = line[:index] + ' ' * (len('TEST-START')-len('TEST-END')) + line[index:]
         log.info(line)
       return line
     def record_last_test(self, line):
       """record last test on harness"""
       if "TEST-START" in line and "|" in line:
         if not line.endswith('Shutdown'):
           self.output_buffer = []
           self.running_test = True
         self.harness.lastTestSeen = line.split("|")[1].strip()
       return line
   def makeTestConfig(self, options):
     "Creates a test configuration file for customizing test execution."
     options.logFile = options.logFile.replace("\\", "\\\\")
     options.testPath = options.testPath.replace("\\", "\\\\")
     testRoot = self.getTestRoot(options)
     if "MOZ_HIDE_RESULTS_TABLE" in os.environ and os.environ["MOZ_HIDE_RESULTS_TABLE"] == "1":
       options.hideResultsTable = True
     d = dict(options.__dict__)
     d['testRoot'] = testRoot
     content = json.dumps(d)
     with open(os.path.join(options.profilePath, "testConfig.js"), "w") as config:
       config.write(content)
   def installExtensionFromPath(self, options, path, extensionID = None):
     """install an extension to options.profilePath"""
     # TODO: currently extensionID is unused; see
     # https://bugzilla.mozilla.org/show_bug.cgi?id=914267
     # [mozprofile] make extensionID a parameter to install_from_path
     # https://github.com/mozilla/mozbase/blob/master/mozprofile/mozprofile/addons.py#L169
     extensionPath = self.getFullPath(path)
     log.info("runtests.py | Installing extension at %s to %s." %
                 (extensionPath, options.profilePath))
     addons = AddonManager(options.profilePath)
     # XXX: del the __del__
     # hack can be removed when mozprofile is mirrored to m-c ; see
     # https://bugzilla.mozilla.org/show_bug.cgi?id=911218 :
     # [mozprofile] AddonManager should only cleanup on __del__ optionally:
     # https://github.com/mozilla/mozbase/blob/master/mozprofile/mozprofile/addons.py#L266
     if hasattr(addons, '__del__'):
       del addons.__del__
     addons.install_from_path(path)
   def installExtensionsToProfile(self, options):
     "Install special testing extensions, application distributed extensions, and specified on the command line ones to testing profile."
     for path in self.getExtensionsToInstall(options):
       self.installExtensionFromPath(options, path)
 def main():
   # parse command line options
   mochitest = Mochitest()
   parser = MochitestOptions()
   options, args = parser.parse_args()
   options = parser.verifyOptions(options, mochitest)
   if options is None:
     # parsing error
     sys.exit(1)
   options.utilityPath = mochitest.getFullPath(options.utilityPath)
   options.certPath = mochitest.getFullPath(options.certPath)
   if options.symbolsPath and not isURL(options.symbolsPath):
     options.symbolsPath = mochitest.getFullPath(options.symbolsPath)
   sys.exit(mochitest.runTests(options))
 if __name__ == "__main__":
   main()

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testing/mochitest/runtests.py@6474c204b198 (annotated)

testing/mochitest/runtests.py