pjs/build/pgo/automation.py.in

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Python

#
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is
# Mozilla Foundation.
# Portions created by the Initial Developer are Copyright (C) 2008
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Robert Sayre <sayrer@gmail.com>
# Jeff Walden <jwalden+bmo@mit.edu>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
import codecs
from datetime import datetime
import itertools
import logging
import shutil
import os
import re
import signal
import sys
import threading
"""
Runs the browser from a script, and provides useful utilities
for setting up the browser environment.
"""
__all__ = [
"UNIXISH",
"IS_WIN32",
"IS_MAC",
"runApp",
"Process",
"initializeProfile",
"DIST_BIN",
"DEFAULT_APP",
]
# These are generated in mozilla/build/Makefile.in
#expand DIST_BIN = "./" + __XPC_BIN_PATH__
#expand IS_WIN32 = len("__WIN32__") != 0
#expand IS_MAC = __IS_MAC__ != 0
#ifdef IS_CYGWIN
#expand IS_CYGWIN = __IS_CYGWIN__ == 1
#else
IS_CYGWIN = False
#endif
#expand IS_CAMINO = __IS_CAMINO__ != 0
UNIXISH = not IS_WIN32 and not IS_MAC
#expand DEFAULT_APP = "./" + __BROWSER_PATH__
###########
# LOGGING #
###########
# We use the logging system here primarily because it'll handle multiple
# threads, which is needed to process the output of the server and application
# processes simultaneously.
log = logging.getLogger()
handler = logging.StreamHandler(sys.stdout)
log.setLevel(logging.INFO)
log.addHandler(handler)
#################
# SUBPROCESSING #
#################
class Process:
"""
Represents a subprocess of this process. We don't just directly use the
subprocess module here because we want compatibility with Python 2.3 on
non-Windows platforms. :-(
"""
def __init__(self, command, args, env):
"""
Creates a process representing the execution of the given command, which
must be an absolute path, with the given arguments in the given environment.
The process is then started.
"""
command = os.path.abspath(command)
if IS_WIN32:
import subprocess
cmd = [command]
cmd.extend(args)
p = subprocess.Popen(cmd, env = env,
stdout = subprocess.PIPE,
stderr = subprocess.STDOUT)
self._out = p.stdout
else:
import popen2
cmd = []
for (k, v) in env.iteritems():
cmd.append(k + "='" + v + "' ")
cmd.append("'" + command + "'")
cmd.extend(map(lambda x: "'" + x + "'", args))
cmd = " ".join(cmd)
p = popen2.Popen4(cmd)
self._out = p.fromchild
self._process = p
self.pid = p.pid
self._thread = threading.Thread(target = lambda: self._run())
self._thread.start()
def _run(self):
"Continues execution of this process on a separate thread."
p = self._process
out = self._out
if IS_WIN32:
running = lambda: p.poll() is None
else:
running = lambda: p.poll() == -1
# read in lines until the process finishes, then read in any last remaining
# buffered lines
while running():
line = out.readline().rstrip()
if len(line) > 0:
log.info(line)
for line in out:
line = line.rstrip()
if len(line) > 0:
log.info(line)
self._status = p.poll()
def wait(self):
"Waits for this process to finish, then returns the process's status."
self._thread.join()
return self._status
def kill(self):
"Kills this process."
try:
if not IS_WIN32: # XXX
os.kill(self._process.pid, signal.SIGKILL)
except:
pass
#################
# PROFILE SETUP #
#################
class SyntaxError(Exception):
"Signifies a syntax error on a particular line in server-locations.txt."
def __init__(self, lineno, msg = None):
self.lineno = lineno
self.msg = msg
def __str__(self):
s = "Syntax error on line " + str(self.lineno)
if self.msg:
s += ": %s." % self.msg
else:
s += "."
return s
class Location:
"Represents a location line in server-locations.txt."
def __init__(self, scheme, host, port, options):
self.scheme = scheme
self.host = host
self.port = port
self.options = options
def readLocations():
"""
Reads the locations at which the Mochitest HTTP server is available from
server-locations.txt.
"""
locationFile = codecs.open("server-locations.txt", "r", "UTF-8")
# Perhaps more detail than necessary, but it's the easiest way to make sure
# we get exactly the format we want. See server-locations.txt for the exact
# format guaranteed here.
lineRe = re.compile(r"^(?P<scheme>[a-z][-a-z0-9+.]*)"
r"://"
r"(?P<host>"
r"\d+\.\d+\.\d+\.\d+"
r"|"
r"(?:[a-z0-9](?:[-a-z0-9]*[a-z0-9])?\.)*"
r"[a-z](?:[-a-z0-9]*[a-z0-9])?"
r")"
r":"
r"(?P<port>\d+)"
r"(?:"
r"\s+"
r"(?P<options>\w+(?:,\w+)*)"
r")?$")
locations = []
lineno = 0
seenPrimary = False
for line in locationFile:
lineno += 1
if line.startswith("#") or line == "\n":
continue
match = lineRe.match(line)
if not match:
raise SyntaxError(lineno)
options = match.group("options")
if options:
options = options.split(",")
if "primary" in options:
if seenPrimary:
raise SyntaxError(lineno, "multiple primary locations")
seenPrimary = True
else:
options = []
locations.append(Location(match.group("scheme"), match.group("host"),
match.group("port"), options))
if not seenPrimary:
raise SyntaxError(lineno + 1, "missing primary location")
return locations
def initializeProfile(profileDir):
"Sets up the standard testing profile."
# Start with a clean slate.
shutil.rmtree(profileDir, True)
os.mkdir(profileDir)
prefs = []
part = """\
user_pref("browser.dom.window.dump.enabled", true);
user_pref("dom.allow_scripts_to_close_windows", true);
user_pref("dom.disable_open_during_load", false);
user_pref("dom.max_script_run_time", 0); // no slow script dialogs
user_pref("signed.applets.codebase_principal_support", true);
user_pref("security.warn_submit_insecure", false);
user_pref("browser.shell.checkDefaultBrowser", false);
user_pref("browser.warnOnQuit", false);
user_pref("accessibility.typeaheadfind.autostart", false);
user_pref("javascript.options.showInConsole", true);
user_pref("layout.debug.enable_data_xbl", true);
user_pref("browser.EULA.override", true);
user_pref("camino.warn_when_closing", false); // Camino-only, harmless to others
"""
prefs.append(part)
locations = readLocations()
# Grant God-power to all the privileged servers on which tests run.
privileged = filter(lambda loc: "privileged" in loc.options, locations)
for (i, l) in itertools.izip(itertools.count(1), privileged):
part = """
user_pref("capability.principal.codebase.p%(i)d.granted",
"UniversalXPConnect UniversalBrowserRead UniversalBrowserWrite \
UniversalPreferencesRead UniversalPreferencesWrite \
UniversalFileRead");
user_pref("capability.principal.codebase.p%(i)d.id", "%(origin)s");
user_pref("capability.principal.codebase.p%(i)d.subjectName", "");
""" % { "i": i,
"origin": (l.scheme + "://" + l.host + ":" + l.port) }
prefs.append(part)
# We need to proxy every server but the primary one.
origins = ["'%s://%s:%s'" % (l.scheme, l.host, l.port)
for l in filter(lambda l: "primary" not in l.options, locations)]
origins = ", ".join(origins)
pacURL = """data:text/plain,
function FindProxyForURL(url, host)
{
var origins = [%(origins)s];
var regex = new RegExp('^([a-z][-a-z0-9+.]*)' +
'://' +
'(?:[^/@]*@)?' +
'(.*?)' +
'(?::(\\\\\\\\d+))?/');
var matches = regex.exec(url);
if (!matches)
return 'DIRECT';
var isHttp = matches[1] == 'http';
if (!matches[3])
matches[3] = isHttp ? '80' : '443';
var origin = matches[1] + '://' + matches[2] + ':' + matches[3];
if (origins.indexOf(origin) < 0)
return 'DIRECT';
if (isHttp)
return 'PROXY localhost:8888';
return 'DIRECT';
}""" % { "origins": origins }
pacURL = "".join(pacURL.splitlines())
part = """
user_pref("network.proxy.type", 2);
user_pref("network.proxy.autoconfig_url", "%(pacURL)s");
user_pref("camino.use_system_proxy_settings", false); // Camino-only, harmless to others
""" % {"pacURL": pacURL}
prefs.append(part)
# write the preferences
prefsFile = open(profileDir + "/" + "user.js", "a")
prefsFile.write("".join(prefs))
prefsFile.close()
###############
# RUN THE APP #
###############
def runApp(testURL, env, app, profileDir, extraArgs):
"Run the app, returning the time at which it was started."
# mark the start
start = datetime.now()
# now run with the profile we created
cmd = app
if IS_MAC and not IS_CAMINO and not cmd.endswith("-bin"):
cmd += "-bin"
cmd = os.path.abspath(cmd)
args = []
if IS_MAC:
args.append("-foreground")
if IS_CYGWIN:
profileDirectory = commands.getoutput("cygpath -w \"" + profileDir + "/\"")
else:
profileDirectory = profileDir + "/"
args.extend(("-no-remote", "-profile", profileDirectory))
if IS_CAMINO:
args.extend(("-url", testURL))
else:
args.append((testURL))
args.extend(extraArgs)
proc = Process(cmd, args, env = env)
log.info("Application pid: %d", proc.pid)
status = proc.wait()
if status != 0:
log.info("ERROR FAIL Exited with code %d during test run", status)
return start