pjs/testing/mochitest/runtests.py.in

#
# ***** 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) 1998
# 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 *****

"""
Runs the Mochitest test harness.
"""

from datetime import datetime
import optparse
import os
import os.path
import signal
import sys
import time
from urllib import quote_plus as encodeURIComponent
import urllib2
import commands
import automation

# Path to the test script on the server
TEST_SERVER_HOST = "localhost:8888"
TEST_PATH = "/tests/"
CHROME_PATH = "/redirect.html";
A11Y_PATH = "/redirect-a11y.html"
TESTS_URL = "http://" + TEST_SERVER_HOST + TEST_PATH
CHROMETESTS_URL = "http://" + TEST_SERVER_HOST + CHROME_PATH
A11YTESTS_URL = "http://" + TEST_SERVER_HOST + A11Y_PATH
SERVER_SHUTDOWN_URL = "http://" + TEST_SERVER_HOST + "/server/shutdown"

# 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.
SERVER_STARTUP_TIMEOUT = 45

PROFILE_DIRECTORY = os.path.abspath("./mochitesttestingprofile")

#######################
# COMMANDLINE OPTIONS #
#######################

class MochitestOptions(optparse.OptionParser):
  """Parses Mochitest commandline options."""
  def __init__(self, **kwargs):
    optparse.OptionParser.__init__(self, **kwargs)
    defaults = {}

    self.add_option("--close-when-done",
                    action = "store_true", dest = "closeWhenDone",
                    help = "close the application when tests are done running")
    defaults["closeWhenDone"] = False

    self.add_option("--appname",
                    action = "store", type = "string", dest = "app",
                    help = "absolute path to application, overriding default")
    defaults["app"] = automation.DEFAULT_APP

    self.add_option("--log-file",
                    action = "store", type = "string", dest = "logFile",
                    help = "file to which logging occurs")
    defaults["logFile"] = ""

    self.add_option("--autorun",
                    action = "store_true", dest = "autorun",
                    help = "start running tests when the application starts")
    defaults["autorun"] = False

    LOG_LEVELS = ("DEBUG", "INFO", "ERROR", "FATAL", "WARNING")

    self.add_option("--console-level",
                    action = "store", type = "choice", dest = "consoleLevel",
                    choices = LOG_LEVELS,
                    help = "logging level of console logging")
    defaults["consoleLevel"] = None

    self.add_option("--file-level", 
                    action = "store", type = "choice", dest = "fileLevel",
                    choices = LOG_LEVELS,
                    help = "logging level of file logging")
    defaults["fileLevel"] = None

    self.add_option("--chrome",
                    action = "store_true", dest = "chrome",
                    help = "run chrome Mochitests")
    defaults["chrome"] = False

    self.add_option("--test-path",
                    action = "store", type = "string", dest = "testPath",
                    help = "start in the given directory's tests")
    defaults["testPath"] = ""

    self.add_option("--browser-chrome",
                    action = "store_true", dest = "browserChrome",
                    help = "run browser chrome Mochitests")
    defaults["browserChrome"] = False

    self.add_option("--a11y",
                    action = "store_true", dest = "a11y",
                    help = "run accessibility Mochitests");

    self.add_option("--setenv",
                    action = "append", type = "string", dest = "environment",
                    help = "given a VAR=value pair, sets that in the "
                           "browser's environment")
    defaults["environment"] = []
    
    self.add_option("--browser-arg",
                    action = "append", type = "string", dest = "browserArgs",
                    help = "provides an argument to the test application")
    defaults["browserArgs"] = []

    # -h, --help are automatically handled by OptionParser

    self.set_defaults(**defaults)

    usage = """\
Usage instructions for runtests.py.
All arguments are optional.
If --log-file is specified, --file-level must be specified as well.
If --chrome is specified, chrome tests will be run instead of web content tests.
If --browser-chrome is specified, browser-chrome tests will be run instead of web content tests.
Logging levels are one of %s.
For further details on the logging levels, see
<http://mochikit.com/doc/html/MochiKit/Logging.html>.""" % ", ".join(LOG_LEVELS)
    self.set_usage(usage)



#######################
# HTTP SERVER SUPPORT #
#######################

class MochitestServer:
  "Web server used to serve Mochitests, for closer fidelity to the real web."

  def __init__(self, options):
    self._closeWhenDone = options.closeWhenDone

  def start(self):
    "Run the Mochitest server, returning the process ID of the server."
    
    env = dict(os.environ)
    if automation.UNIXISH:
      env["LD_LIBRARY_PATH"] = automation.DIST_BIN
      env["MOZILLA_FIVE_HOME"] = automation.DIST_BIN
      env["XPCOM_DEBUG_BREAK"] = "warn"

    args = ["-v", "170",
            "-f", "./" + "httpd.js",
            "-f", "./" + "server.js"]

    xpcshell = automation.DIST_BIN + "/" + "xpcshell";
    self._process = automation.Process(xpcshell, args, env = env)
    pid = self._process.pid
    if pid < 0:
      print "Error starting server."
      sys.exit(2)
    print "Server pid: " + str(pid)
    

  def ensureReady(self, timeout):
    assert timeout >= 0

    aliveFile = PROFILE_DIRECTORY + "/" + "server_alive.txt"
    i = 0
    while i < timeout:
      if os.path.exists(aliveFile):
        break
      time.sleep(1)
      i += 1
    else:
      print "Timed out while waiting for server startup."
      self.stop()
      sys.exit(1)

  def stop(self):
    pid = self._process.pid
    try:
      c = urllib2.urlopen(SERVER_SHUTDOWN_URL)
      c.read()
      c.close()
      os.waitpid(pid, 0)
    except:
      if automation.IS_WIN32:
        pass # XXX do something here!
      else:
        os.kill(pid, signal.SIGKILL)


#################
# MAIN FUNCTION #
#################

def main():
  parser = MochitestOptions()
  options, args = parser.parse_args()
  
  if not os.path.exists(options.app):
    msg = """\
Error: Path %(app)s doesn't exist.
Are you executing $objdir/_tests/testing/mochitest/runtests.py?"""
    print msg % {"app": options.app}
    sys.exit(1)

  # browser environment
  browserEnv = dict(os.environ)

  # These variables are necessary for correct application startup; change
  # via the commandline at your own risk.
  browserEnv["NO_EM_RESTART"] = "1"
  browserEnv["XPCOM_DEBUG_BREAK"] = "warn"
  if automation.UNIXISH:
    browserEnv["LD_LIBRARY_PATH"] = automation.DIST_BIN 
    browserEnv["MOZILLA_FIVE_HOME"] = automation.DIST_BIN 

  for v in options.environment:
    ix = v.find("=")
    if ix <= 0:
      print "Error: syntax error in --setenv=" + v
      sys.exit(1)
    browserEnv[v[:ix]] = v[ix + 1:]

  automation.initializeProfile(PROFILE_DIRECTORY)
  manifest = addChromeToProfile(options)
  server = MochitestServer(options)
  server.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.
  server.ensureReady(SERVER_STARTUP_TIMEOUT)


  # URL parameters to test URL:
  #
  # autorun -- kick off tests automatically
  # closeWhenDone -- runs quit.js after tests
  # logFile -- logs test run to an absolute path
  #
  
  # consoleLevel, fileLevel: set the logging level of the console and
  # file logs, if activated.
  # <http://mochikit.com/doc/html/MochiKit/Logging.html>

  testURL = TESTS_URL + options.testPath
  if options.chrome:
    testURL = CHROMETESTS_URL + options.testPath
  elif options.a11y:
    testURL = A11YTESTS_URL + options.testPath
  elif options.browserChrome:
    testURL = "about:blank"

  if options.browserChrome:
    makeTestConfig(options)
  else:
    urlOpts = []
    if options.autorun:
      urlOpts.append("autorun=1")
    if options.closeWhenDone:
      urlOpts.append("closeWhenDone=1")
    if options.logFile:
      urlOpts.append("logFile=" + encodeURIComponent(options.logFile))
    if options.fileLevel:
      urlOpts.append("fileLevel=" + encodeURIComponent(options.fileLevel))
    if options.consoleLevel:
      urlOpts.append("consoleLevel=" + encodeURIComponent(options.consoleLevel))
    if len(urlOpts) > 0:
      testURL += "?" + "&".join(urlOpts)


  start = automation.runApp(testURL, browserEnv, options.app, PROFILE_DIRECTORY)

  server.stop()

  # print test run times
  finish = datetime.now()
  print " started: " + str(start)
  print "finished: " + str(finish)

  # delete the profile and manifest
  os.remove(manifest)



#######################
# CONFIGURATION SETUP #
#######################

def makeTestConfig(options):
  "Creates a test configuration file for customizing test execution."
  def boolString(b):
    if b:
      return "true"
    return "false"

  logFile = options.logFile.replace("\\", "\\\\")
  testPath = options.testPath.replace("\\", "\\\\")
  content = """\
({
  autoRun: %(autorun)s,
  closeWhenDone: %(closeWhenDone)s,
  logPath: "%(logPath)s",
  testPath: "%(testPath)s"
})""" % {"autorun": boolString(options.autorun),
         "closeWhenDone": boolString(options.closeWhenDone),
         "logPath": logFile,
         "testPath": testPath}

  config = open(PROFILE_DIRECTORY + "/" + "testConfig.js", "w")
  config.write(content)
  config.close() 


def addChromeToProfile(options):
  "Adds MochiKit chrome tests to the profile."

  chromedir = PROFILE_DIRECTORY + "/" + "chrome"
  os.mkdir(chromedir)

  chrome = []

  part = """
@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;
}
"""
  chrome.append(part)



  # write userChrome.css
  chromeFile = open(PROFILE_DIRECTORY + "/" + "userChrome.css", "a")
  chromeFile.write("".join(chrome))
  chromeFile.close()


  # register our chrome dir
  chrometestDir = os.path.abspath(".") + "/"
  if automation.IS_WIN32:
    chrometestDir = "file:///" + chrometestDir.replace("\\", "/")


  (path, leaf) = os.path.split(options.app)
  manifest = path + "/" + "chrome/mochikit.manifest"
  manifestFile = open(manifest, "w")
  manifestFile.write("content mochikit " + chrometestDir + "\n")
  if options.browserChrome:
    overlayLine = "overlay chrome://browser/content/browser.xul " \
                  "chrome://mochikit/content/browser-test-overlay.xul\n"
    manifestFile.write(overlayLine)
  manifestFile.close()

  return manifest

#########
# DO IT #
#########

if __name__ == "__main__":
  main()