mirror of
https://github.com/mozilla/gecko-dev.git
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8ed6deb6e5
MozReview-Commit-ID: JRdbFSv0uJp
594 lines
22 KiB
Python
594 lines
22 KiB
Python
#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import with_statement
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import logging
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import os
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import re
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import select
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import signal
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import subprocess
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import sys
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import tempfile
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from datetime import datetime, timedelta
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SCRIPT_DIR = os.path.abspath(os.path.realpath(os.path.dirname(sys.argv[0])))
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sys.path.insert(0, SCRIPT_DIR)
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# --------------------------------------------------------------
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# TODO: this is a hack for mozbase without virtualenv, remove with bug 849900
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# These paths refer to relative locations to test.zip, not the OBJDIR or SRCDIR
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here = os.path.dirname(os.path.realpath(__file__))
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mozbase = os.path.realpath(os.path.join(os.path.dirname(here), 'mozbase'))
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if os.path.isdir(mozbase):
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for package in os.listdir(mozbase):
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package_path = os.path.join(mozbase, package)
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if package_path not in sys.path:
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sys.path.append(package_path)
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import mozcrash
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from mozscreenshot import printstatus, dump_screen
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# ---------------------------------------------------------------
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_DEFAULT_PREFERENCE_FILE = os.path.join(SCRIPT_DIR, 'prefs_general.js')
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_DEFAULT_WEB_SERVER = "127.0.0.1"
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_DEFAULT_HTTP_PORT = 8888
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_DEFAULT_SSL_PORT = 4443
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_DEFAULT_WEBSOCKET_PORT = 9988
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#expand _DIST_BIN = __XPC_BIN_PATH__
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#expand _IS_WIN32 = len("__WIN32__") != 0
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#expand _IS_MAC = __IS_MAC__ != 0
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#expand _IS_LINUX = __IS_LINUX__ != 0
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#ifdef IS_CYGWIN
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#expand _IS_CYGWIN = __IS_CYGWIN__ == 1
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#else
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_IS_CYGWIN = False
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#endif
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#expand _BIN_SUFFIX = __BIN_SUFFIX__
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#expand _DEFAULT_APP = "./" + __BROWSER_PATH__
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#expand _CERTS_SRC_DIR = __CERTS_SRC_DIR__
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#expand _IS_TEST_BUILD = __IS_TEST_BUILD__
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#expand _IS_DEBUG_BUILD = __IS_DEBUG_BUILD__
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#expand _CRASHREPORTER = __CRASHREPORTER__ == 1
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#expand _IS_ASAN = __IS_ASAN__ == 1
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if _IS_WIN32:
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import ctypes, ctypes.wintypes, time, msvcrt
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else:
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import errno
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def resetGlobalLog(log):
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while _log.handlers:
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_log.removeHandler(_log.handlers[0])
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handler = logging.StreamHandler(log)
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_log.setLevel(logging.INFO)
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_log.addHandler(handler)
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# We use the logging system here primarily because it'll handle multiple
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# threads, which is needed to process the output of the server and application
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# processes simultaneously.
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_log = logging.getLogger()
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resetGlobalLog(sys.stdout)
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#################
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# PROFILE SETUP #
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#################
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class Automation(object):
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"""
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Runs the browser from a script, and provides useful utilities
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for setting up the browser environment.
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"""
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DIST_BIN = _DIST_BIN
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IS_WIN32 = _IS_WIN32
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IS_MAC = _IS_MAC
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IS_LINUX = _IS_LINUX
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IS_CYGWIN = _IS_CYGWIN
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BIN_SUFFIX = _BIN_SUFFIX
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UNIXISH = not IS_WIN32 and not IS_MAC
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DEFAULT_APP = _DEFAULT_APP
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CERTS_SRC_DIR = _CERTS_SRC_DIR
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IS_TEST_BUILD = _IS_TEST_BUILD
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IS_DEBUG_BUILD = _IS_DEBUG_BUILD
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CRASHREPORTER = _CRASHREPORTER
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IS_ASAN = _IS_ASAN
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# timeout, in seconds
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DEFAULT_TIMEOUT = 60.0
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DEFAULT_WEB_SERVER = _DEFAULT_WEB_SERVER
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DEFAULT_HTTP_PORT = _DEFAULT_HTTP_PORT
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DEFAULT_SSL_PORT = _DEFAULT_SSL_PORT
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DEFAULT_WEBSOCKET_PORT = _DEFAULT_WEBSOCKET_PORT
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def __init__(self):
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self.log = _log
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self.lastTestSeen = "automation.py"
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self.haveDumpedScreen = False
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def setServerInfo(self,
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webServer = _DEFAULT_WEB_SERVER,
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httpPort = _DEFAULT_HTTP_PORT,
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sslPort = _DEFAULT_SSL_PORT,
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webSocketPort = _DEFAULT_WEBSOCKET_PORT):
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self.webServer = webServer
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self.httpPort = httpPort
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self.sslPort = sslPort
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self.webSocketPort = webSocketPort
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@property
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def __all__(self):
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return [
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"UNIXISH",
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"IS_WIN32",
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"IS_MAC",
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"log",
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"runApp",
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"Process",
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"DIST_BIN",
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"DEFAULT_APP",
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"CERTS_SRC_DIR",
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"environment",
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"IS_TEST_BUILD",
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"IS_DEBUG_BUILD",
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"DEFAULT_TIMEOUT",
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]
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class Process(subprocess.Popen):
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"""
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Represents our view of a subprocess.
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It adds a kill() method which allows it to be stopped explicitly.
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"""
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def __init__(self,
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args,
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bufsize=0,
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executable=None,
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stdin=None,
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stdout=None,
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stderr=None,
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preexec_fn=None,
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close_fds=False,
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shell=False,
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cwd=None,
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env=None,
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universal_newlines=False,
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startupinfo=None,
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creationflags=0):
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_log.info("INFO | automation.py | Launching: %s", subprocess.list2cmdline(args))
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subprocess.Popen.__init__(self, args, bufsize, executable,
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stdin, stdout, stderr,
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preexec_fn, close_fds,
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shell, cwd, env,
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universal_newlines, startupinfo, creationflags)
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self.log = _log
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def kill(self):
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if Automation().IS_WIN32:
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import platform
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pid = "%i" % self.pid
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subprocess.Popen(["taskkill", "/F", "/PID", pid]).wait()
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else:
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os.kill(self.pid, signal.SIGKILL)
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def environment(self, env=None, xrePath=None, crashreporter=True, debugger=False, dmdPath=None, lsanPath=None):
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if xrePath == None:
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xrePath = self.DIST_BIN
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if env == None:
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env = dict(os.environ)
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ldLibraryPath = os.path.abspath(os.path.join(SCRIPT_DIR, xrePath))
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dmdLibrary = None
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preloadEnvVar = None
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if self.UNIXISH or self.IS_MAC:
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envVar = "LD_LIBRARY_PATH"
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preloadEnvVar = "LD_PRELOAD"
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if self.IS_MAC:
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envVar = "DYLD_LIBRARY_PATH"
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dmdLibrary = "libdmd.dylib"
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else: # unixish
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env['MOZILLA_FIVE_HOME'] = xrePath
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dmdLibrary = "libdmd.so"
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if envVar in env:
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ldLibraryPath = ldLibraryPath + ":" + env[envVar]
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env[envVar] = ldLibraryPath
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elif self.IS_WIN32:
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env["PATH"] = env["PATH"] + ";" + str(ldLibraryPath)
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dmdLibrary = "dmd.dll"
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preloadEnvVar = "MOZ_REPLACE_MALLOC_LIB"
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if dmdPath and dmdLibrary and preloadEnvVar:
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env[preloadEnvVar] = os.path.join(dmdPath, dmdLibrary)
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if crashreporter and not debugger:
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env['MOZ_CRASHREPORTER_NO_REPORT'] = '1'
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env['MOZ_CRASHREPORTER'] = '1'
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else:
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env['MOZ_CRASHREPORTER_DISABLE'] = '1'
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# Crash on non-local network connections by default.
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# MOZ_DISABLE_NONLOCAL_CONNECTIONS can be set to "0" to temporarily
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# enable non-local connections for the purposes of local testing. Don't
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# override the user's choice here. See bug 1049688.
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env.setdefault('MOZ_DISABLE_NONLOCAL_CONNECTIONS', '1')
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env['GNOME_DISABLE_CRASH_DIALOG'] = '1'
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env['XRE_NO_WINDOWS_CRASH_DIALOG'] = '1'
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# Set WebRTC logging in case it is not set yet
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env.setdefault('MOZ_LOG', 'signaling:3,mtransport:4,DataChannel:4,jsep:4,MediaPipelineFactory:4')
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env.setdefault('R_LOG_LEVEL', '6')
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env.setdefault('R_LOG_DESTINATION', 'stderr')
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env.setdefault('R_LOG_VERBOSE', '1')
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# ASan specific environment stuff
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if self.IS_ASAN and (self.IS_LINUX or self.IS_MAC):
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# Symbolizer support
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llvmsym = os.path.join(xrePath, "llvm-symbolizer")
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if os.path.isfile(llvmsym):
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env["ASAN_SYMBOLIZER_PATH"] = llvmsym
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self.log.info("INFO | automation.py | ASan using symbolizer at %s", llvmsym)
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else:
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self.log.info("TEST-UNEXPECTED-FAIL | automation.py | Failed to find ASan symbolizer at %s", llvmsym)
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try:
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totalMemory = int(os.popen("free").readlines()[1].split()[1])
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# Only 4 GB RAM or less available? Use custom ASan options to reduce
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# the amount of resources required to do the tests. Standard options
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# will otherwise lead to OOM conditions on the current test slaves.
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if totalMemory <= 1024 * 1024 * 4:
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self.log.info("INFO | automation.py | ASan running in low-memory configuration")
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env["ASAN_OPTIONS"] = "quarantine_size=50331648:malloc_context_size=5"
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else:
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self.log.info("INFO | automation.py | ASan running in default memory configuration")
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except OSError,err:
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self.log.info("Failed determine available memory, disabling ASan low-memory configuration: %s", err.strerror)
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except:
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self.log.info("Failed determine available memory, disabling ASan low-memory configuration")
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return env
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def killPid(self, pid):
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try:
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os.kill(pid, getattr(signal, "SIGKILL", signal.SIGTERM))
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except WindowsError:
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self.log.info("Failed to kill process %d." % pid)
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if IS_WIN32:
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PeekNamedPipe = ctypes.windll.kernel32.PeekNamedPipe
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GetLastError = ctypes.windll.kernel32.GetLastError
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def readWithTimeout(self, f, timeout):
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"""
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Try to read a line of output from the file object |f|. |f| must be a
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pipe, like the |stdout| member of a subprocess.Popen object created
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with stdout=PIPE. Returns a tuple (line, did_timeout), where |did_timeout|
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is True if the read timed out, and False otherwise. If no output is
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received within |timeout| seconds, returns a blank line.
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"""
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if timeout is None:
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timeout = 0
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x = msvcrt.get_osfhandle(f.fileno())
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l = ctypes.c_long()
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done = time.time() + timeout
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buffer = ""
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while timeout == 0 or time.time() < done:
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if self.PeekNamedPipe(x, None, 0, None, ctypes.byref(l), None) == 0:
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err = self.GetLastError()
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if err == 38 or err == 109: # ERROR_HANDLE_EOF || ERROR_BROKEN_PIPE
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return ('', False)
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else:
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self.log.error("readWithTimeout got error: %d", err)
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# read a character at a time, checking for eol. Return once we get there.
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index = 0
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while index < l.value:
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char = f.read(1)
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buffer += char
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if char == '\n':
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return (buffer, False)
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index = index + 1
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time.sleep(0.01)
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return (buffer, True)
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def isPidAlive(self, pid):
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STILL_ACTIVE = 259
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PROCESS_QUERY_LIMITED_INFORMATION = 0x1000
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pHandle = ctypes.windll.kernel32.OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, 0, pid)
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if not pHandle:
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return False
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pExitCode = ctypes.wintypes.DWORD()
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ctypes.windll.kernel32.GetExitCodeProcess(pHandle, ctypes.byref(pExitCode))
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ctypes.windll.kernel32.CloseHandle(pHandle)
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return pExitCode.value == STILL_ACTIVE
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else:
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def readWithTimeout(self, f, timeout):
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"""Try to read a line of output from the file object |f|. If no output
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is received within |timeout| seconds, return a blank line.
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Returns a tuple (line, did_timeout), where |did_timeout| is True
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if the read timed out, and False otherwise."""
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(r, w, e) = select.select([f], [], [], timeout)
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if len(r) == 0:
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return ('', True)
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return (f.readline(), False)
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def isPidAlive(self, pid):
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try:
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# kill(pid, 0) checks for a valid PID without actually sending a signal
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# The method throws OSError if the PID is invalid, which we catch below.
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os.kill(pid, 0)
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# Wait on it to see if it's a zombie. This can throw OSError.ECHILD if
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# the process terminates before we get to this point.
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wpid, wstatus = os.waitpid(pid, os.WNOHANG)
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return wpid == 0
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except OSError, err:
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# Catch the errors we might expect from os.kill/os.waitpid,
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# and re-raise any others
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if err.errno == errno.ESRCH or err.errno == errno.ECHILD:
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return False
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raise
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def dumpScreen(self, utilityPath):
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if self.haveDumpedScreen:
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self.log.info("Not taking screenshot here: see the one that was previously logged")
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return
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self.haveDumpedScreen = True;
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dump_screen(utilityPath, self.log)
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def killAndGetStack(self, processPID, utilityPath, debuggerInfo):
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"""Kill the process, preferrably in a way that gets us a stack trace.
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Also attempts to obtain a screenshot before killing the process."""
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if not debuggerInfo:
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self.dumpScreen(utilityPath)
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self.killAndGetStackNoScreenshot(processPID, utilityPath, debuggerInfo)
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def killAndGetStackNoScreenshot(self, processPID, utilityPath, debuggerInfo):
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"""Kill the process, preferrably in a way that gets us a stack trace."""
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if self.CRASHREPORTER and not debuggerInfo:
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if not self.IS_WIN32:
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# ABRT will get picked up by Breakpad's signal handler
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os.kill(processPID, signal.SIGABRT)
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return
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else:
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# We should have a "crashinject" program in our utility path
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crashinject = os.path.normpath(os.path.join(utilityPath, "crashinject.exe"))
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if os.path.exists(crashinject):
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status = subprocess.Popen([crashinject, str(processPID)]).wait()
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printstatus("crashinject", status)
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if status == 0:
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return
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self.log.info("Can't trigger Breakpad, just killing process")
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self.killPid(processPID)
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def waitForFinish(self, proc, utilityPath, timeout, maxTime, startTime, debuggerInfo, symbolsPath, outputHandler=None):
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""" Look for timeout or crashes and return the status after the process terminates """
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stackFixerFunction = None
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didTimeout = False
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hitMaxTime = False
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if proc.stdout is None:
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self.log.info("TEST-INFO: Not logging stdout or stderr due to debugger connection")
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else:
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logsource = proc.stdout
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if self.IS_DEBUG_BUILD and symbolsPath and os.path.exists(symbolsPath):
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# Run each line through a function in fix_stack_using_bpsyms.py (uses breakpad symbol files)
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# This method is preferred for Tinderbox builds, since native symbols may have been stripped.
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sys.path.insert(0, utilityPath)
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import fix_stack_using_bpsyms as stackFixerModule
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stackFixerFunction = lambda line: stackFixerModule.fixSymbols(line, symbolsPath)
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del sys.path[0]
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elif self.IS_DEBUG_BUILD and self.IS_MAC:
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# Run each line through a function in fix_macosx_stack.py (uses atos)
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sys.path.insert(0, utilityPath)
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import fix_macosx_stack as stackFixerModule
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stackFixerFunction = lambda line: stackFixerModule.fixSymbols(line)
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del sys.path[0]
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elif self.IS_DEBUG_BUILD and self.IS_LINUX:
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# Run each line through a function in fix_linux_stack.py (uses addr2line)
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# This method is preferred for developer machines, so we don't have to run "make buildsymbols".
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sys.path.insert(0, utilityPath)
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import fix_linux_stack as stackFixerModule
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stackFixerFunction = lambda line: stackFixerModule.fixSymbols(line)
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del sys.path[0]
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# With metro browser runs this script launches the metro test harness which launches the browser.
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# The metro test harness hands back the real browser process id via log output which we need to
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# pick up on and parse out. This variable tracks the real browser process id if we find it.
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browserProcessId = -1
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(line, didTimeout) = self.readWithTimeout(logsource, timeout)
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while line != "" and not didTimeout:
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if stackFixerFunction:
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line = stackFixerFunction(line)
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if outputHandler is None:
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self.log.info(line.rstrip().decode("UTF-8", "ignore"))
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else:
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outputHandler(line)
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if "TEST-START" in line and "|" in line:
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self.lastTestSeen = line.split("|")[1].strip()
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if not debuggerInfo and "TEST-UNEXPECTED-FAIL" in line and "Test timed out" in line:
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self.dumpScreen(utilityPath)
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(line, didTimeout) = self.readWithTimeout(logsource, timeout)
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if not hitMaxTime and maxTime and datetime.now() - startTime > timedelta(seconds = maxTime):
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# Kill the application.
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hitMaxTime = True
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self.log.info("TEST-UNEXPECTED-FAIL | %s | application ran for longer than allowed maximum time of %d seconds", self.lastTestSeen, int(maxTime))
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self.log.error("Force-terminating active process(es).");
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self.killAndGetStack(proc.pid, utilityPath, debuggerInfo)
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if didTimeout:
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if line:
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self.log.info(line.rstrip().decode("UTF-8", "ignore"))
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self.log.info("TEST-UNEXPECTED-FAIL | %s | application timed out after %d seconds with no output", self.lastTestSeen, int(timeout))
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self.log.error("Force-terminating active process(es).");
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if browserProcessId == -1:
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browserProcessId = proc.pid
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self.killAndGetStack(browserProcessId, utilityPath, debuggerInfo)
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status = proc.wait()
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printstatus("Main app process", status)
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if status == 0:
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self.lastTestSeen = "Main app process exited normally"
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if status != 0 and not didTimeout and not hitMaxTime:
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self.log.info("TEST-UNEXPECTED-FAIL | %s | Exited with code %d during test run", self.lastTestSeen, status)
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return status
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def buildCommandLine(self, app, debuggerInfo, profileDir, testURL, extraArgs):
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""" build the application command line """
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cmd = os.path.abspath(app)
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if self.IS_MAC and os.path.exists(cmd + "-bin"):
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# Prefer 'app-bin' in case 'app' is a shell script.
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# We can remove this hack once bug 673899 etc are fixed.
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cmd += "-bin"
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args = []
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if debuggerInfo:
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args.extend(debuggerInfo.args)
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args.append(cmd)
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cmd = os.path.abspath(debuggerInfo.path)
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if self.IS_MAC:
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args.append("-foreground")
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if self.IS_CYGWIN:
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profileDirectory = commands.getoutput("cygpath -w \"" + profileDir + "/\"")
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else:
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profileDirectory = profileDir + "/"
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args.extend(("-no-remote", "-profile", profileDirectory))
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if testURL is not None:
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args.append((testURL))
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args.extend(extraArgs)
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return cmd, args
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def checkForZombies(self, processLog, utilityPath, debuggerInfo):
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""" Look for hung processes """
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if not os.path.exists(processLog):
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self.log.info('Automation Error: PID log not found: %s', processLog)
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# Whilst no hung process was found, the run should still display as a failure
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return True
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foundZombie = False
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self.log.info('INFO | zombiecheck | Reading PID log: %s', processLog)
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processList = []
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pidRE = re.compile(r'launched child process (\d+)$')
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processLogFD = open(processLog)
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for line in processLogFD:
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self.log.info(line.rstrip())
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m = pidRE.search(line)
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if m:
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processList.append(int(m.group(1)))
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processLogFD.close()
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for processPID in processList:
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self.log.info("INFO | zombiecheck | Checking for orphan process with PID: %d", processPID)
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if self.isPidAlive(processPID):
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foundZombie = True
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self.log.info("TEST-UNEXPECTED-FAIL | zombiecheck | child process %d still alive after shutdown", processPID)
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self.killAndGetStack(processPID, utilityPath, debuggerInfo)
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return foundZombie
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def checkForCrashes(self, minidumpDir, symbolsPath):
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return mozcrash.check_for_crashes(minidumpDir, symbolsPath, test_name=self.lastTestSeen)
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def runApp(self, testURL, env, app, profileDir, extraArgs, utilityPath = None,
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xrePath = None, certPath = None,
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debuggerInfo = None, symbolsPath = None,
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timeout = -1, maxTime = None, onLaunch = None,
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detectShutdownLeaks = False, screenshotOnFail=False, testPath=None, bisectChunk=None,
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valgrindPath=None, valgrindArgs=None, valgrindSuppFiles=None, outputHandler=None):
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"""
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Run the app, log the duration it took to execute, return the status code.
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Kills the app if it runs for longer than |maxTime| seconds, or outputs nothing for |timeout| seconds.
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"""
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if utilityPath == None:
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utilityPath = self.DIST_BIN
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if xrePath == None:
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xrePath = self.DIST_BIN
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if certPath == None:
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certPath = self.CERTS_SRC_DIR
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if timeout == -1:
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timeout = self.DEFAULT_TIMEOUT
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# copy env so we don't munge the caller's environment
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env = dict(env);
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env["NO_EM_RESTART"] = "1"
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tmpfd, processLog = tempfile.mkstemp(suffix='pidlog')
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os.close(tmpfd)
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env["MOZ_PROCESS_LOG"] = processLog
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|
|
|
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cmd, args = self.buildCommandLine(app, debuggerInfo, profileDir, testURL, extraArgs)
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startTime = datetime.now()
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|
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|
if debuggerInfo and debuggerInfo.interactive:
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|
# If an interactive debugger is attached, don't redirect output,
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|
# don't use timeouts, and don't capture ctrl-c.
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|
timeout = None
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|
maxTime = None
|
|
outputPipe = None
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|
signal.signal(signal.SIGINT, lambda sigid, frame: None)
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|
else:
|
|
outputPipe = subprocess.PIPE
|
|
|
|
self.lastTestSeen = "automation.py"
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|
proc = self.Process([cmd] + args,
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|
env = self.environment(env, xrePath = xrePath,
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|
crashreporter = not debuggerInfo),
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|
stdout = outputPipe,
|
|
stderr = subprocess.STDOUT)
|
|
self.log.info("INFO | automation.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.
|
|
onLaunch()
|
|
|
|
status = self.waitForFinish(proc, utilityPath, timeout, maxTime, startTime, debuggerInfo, symbolsPath,
|
|
outputHandler=outputHandler)
|
|
self.log.info("INFO | automation.py | Application ran for: %s", str(datetime.now() - startTime))
|
|
|
|
# Do a final check for zombie child processes.
|
|
zombieProcesses = self.checkForZombies(processLog, utilityPath, debuggerInfo)
|
|
|
|
crashed = self.checkForCrashes(os.path.join(profileDir, "minidumps"), symbolsPath)
|
|
|
|
if crashed or zombieProcesses:
|
|
status = 1
|
|
|
|
if os.path.exists(processLog):
|
|
os.unlink(processLog)
|
|
|
|
return status
|
|
|
|
def elf_arm(self, filename):
|
|
data = open(filename, 'rb').read(20)
|
|
return data[:4] == "\x7fELF" and ord(data[18]) == 40 # EM_ARM
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|
|