pjs/testing/mochitest/runtests.py.in

#
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#   Robert Sayre <sayrer@gmail.com>
#   Jeff Walden <jwalden+bmo@mit.edu>
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"""
Runs the Mochitest test harness.
"""

from datetime import datetime
import optparse
import os
import os.path
import sys
import time
import shutil
from urllib import quote_plus as encodeURIComponent
import urllib2
import commands
from automation import Automation
from automationutils import *


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

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

    # we want to pass down everything from self._automation.__all__
    addCommonOptions(self, defaults=dict(zip(self._automation.__all__, 
             [getattr(self._automation, x) for x in self._automation.__all__])))
    self._automation.addCommonOptions(self)

    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"] = os.path.join(scriptdir, self._automation.DEFAULT_APP)

    self.add_option("--utility-path",
                    action = "store", type = "string", dest = "utilityPath",
                    help = "absolute path to directory containing utility programs (xpcshell, ssltunnel, certutil)")
    defaults["utilityPath"] = self._automation.DIST_BIN

    self.add_option("--certificate-path",
                    action = "store", type = "string", dest = "certPath",
                    help = "absolute path to directory containing certificate store to use testing profile")
    defaults["certPath"] = self._automation.CERTS_SRC_DIR

    self.add_option("--log-file",
                    action = "store", type = "string",
                    dest = "logFile", metavar = "FILE",
                    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
    
    self.add_option("--timeout",
                    type = "int", dest = "timeout",
                    help = "per-test timeout in seconds")
    defaults["timeout"] = None

    self.add_option("--total-chunks",
                    type = "int", dest = "totalChunks",
                    help = "how many chunks to split the tests up into")
    defaults["totalChunks"] = None

    self.add_option("--this-chunk",
                    type = "int", dest = "thisChunk",
                    help = "which chunk to run")
    defaults["thisChunk"] = None

    self.add_option("--chunk-by-dir",
                    type = "int", dest = "chunkByDir",
                    help = "group tests together in the same chunk that are in the same top chunkByDir directories")
    defaults["chunkByDir"] = 0

    self.add_option("--shuffle",
                    dest = "shuffle",
                    action = "store_true",
                    help = "randomize test order")
    defaults["shuffle"] = False

    LOG_LEVELS = ("DEBUG", "INFO", "WARNING", "ERROR", "FATAL")
    LEVEL_STRING = ", ".join(LOG_LEVELS)

    self.add_option("--console-level",
                    action = "store", type = "choice", dest = "consoleLevel",
                    choices = LOG_LEVELS, metavar = "LEVEL",
                    help = "one of %s to determine the level of console "
                           "logging" % LEVEL_STRING)
    defaults["consoleLevel"] = None

    self.add_option("--file-level", 
                    action = "store", type = "choice", dest = "fileLevel",
                    choices = LOG_LEVELS, metavar = "LEVEL",
                    help = "one of %s to determine the level of file "
                           "logging if a file has been specified, defaulting "
                           "to INFO" % LEVEL_STRING)
    defaults["fileLevel"] = "INFO"

    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", metavar = "NAME=VALUE",
                    help = "sets the given variable in the application's "
                           "environment")
    defaults["environment"] = []
    
    self.add_option("--browser-arg",
                    action = "append", type = "string",
                    dest = "browserArgs", metavar = "ARG",
                    help = "provides an argument to the test application")
    defaults["browserArgs"] = []

    self.add_option("--leak-threshold",
                    action = "store", type = "int",
                    dest = "leakThreshold", metavar = "THRESHOLD",
                    help = "fail if the number of bytes leaked through "
                           "refcounted objects (or bytes in classes with "
                           "MOZ_COUNT_CTOR and MOZ_COUNT_DTOR) is greater "
                           "than the given number")
    defaults["leakThreshold"] = 0

    self.add_option("--fatal-assertions",
                    action = "store_true", dest = "fatalAssertions",
                    help = "abort testing whenever an assertion is hit "
                           "(requires a debug build to be effective)")
    defaults["fatalAssertions"] = False

    self.add_option("--extra-profile-file",
                    action = "append", dest = "extraProfileFiles",
                    help = "copy specified files/dirs to testing profile")
    defaults["extraProfileFiles"] = []

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

    self.set_defaults(**defaults)

    usage = """\
Usage instructions for runtests.py.
All arguments are optional.
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.
See <http://mochikit.com/doc/html/MochiKit/Logging.html> for details on the logging 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, automation, options, profileDir):
    self._automation = automation
    self._closeWhenDone = options.closeWhenDone
    self._utilityPath = options.utilityPath
    self._xrePath = options.xrePath
    self._profileDir = profileDir

  def start(self):
    "Run the Mochitest server, returning the process ID of the server."
    
    env = self._automation.environment(xrePath = self._xrePath)
    env["XPCOM_DEBUG_BREAK"] = "warn"
    if self._automation.IS_WIN32:
      env["PATH"] = env["PATH"] + ";" + self._xrePath

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

    xpcshell = os.path.join(self._utilityPath,
                            "xpcshell" + self._automation.BIN_SUFFIX)
    self._process = self._automation.Process([xpcshell] + args, env = env)
    pid = self._process.pid
    if pid < 0:
      print "Error starting server."
      sys.exit(2)
    self._automation.log.info("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:
      print "Timed out while waiting for server startup."
      self.stop()
      sys.exit(1)

  def stop(self):
    try:
      c = urllib2.urlopen(SERVER_SHUTDOWN_URL)
      c.read()
      c.close()
      self._process.wait()
    except:
      self._process.kill()


class Mochitest(object):
  # 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"
 
  oldcwd = os.getcwd()

  def __init__(self, automation):
    self.automation = automation

    # 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.
    if self.automation.IS_DEBUG_BUILD:
      self.SERVER_STARTUP_TIMEOUT = 180
    else:
      self.SERVER_STARTUP_TIMEOUT = 90

    self.SCRIPT_DIRECTORY = os.path.abspath(os.path.realpath(os.path.dirname(__file__)))
    os.chdir(self.SCRIPT_DIRECTORY)

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

    self.LEAK_REPORT_FILE = os.path.join(self.PROFILE_DIRECTORY, "runtests_leaks.log")

  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 runTests(self, options):
    debuggerInfo = getDebuggerInfo(self.oldcwd, options.debugger, options.debuggerArgs,
                      options.debuggerInteractive);

    # browser environment
    browserEnv = self.automation.environment(xrePath = options.xrePath)

    # These variables are necessary for correct application startup; change
    # via the commandline at your own risk.
    browserEnv["XPCOM_DEBUG_BREAK"] = "stack"

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

    self.automation.initializeProfile(self.PROFILE_DIRECTORY, options.extraPrefs)
    manifest = self.addChromeToProfile(options)
    self.copyExtraFilesToProfile(options)
    server = MochitestServer(self.automation, options, self.PROFILE_DIRECTORY)
    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(self.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
    # totalChunks -- how many chunks to split tests into
    # thisChunk -- which chunk to run
    # timeout -- per-test timeout in seconds
    #
  
    # consoleLevel, fileLevel: set the logging level of the console and
    # file logs, if activated.
    # <http://mochikit.com/doc/html/MochiKit/Logging.html>

    testURL = self.TESTS_URL + options.testPath
    urlOpts = []
    if options.chrome:
      testURL = self.CHROMETESTS_URL
      if options.testPath:
        urlOpts.append("testPath=" + encodeURIComponent(options.testPath))
    elif options.a11y:
      testURL = self.A11YTESTS_URL
      if options.testPath:
        urlOpts.append("testPath=" + encodeURIComponent(options.testPath))
    elif options.browserChrome:
      testURL = "about:blank"

    # allow relative paths for logFile
    if options.logFile:
      options.logFile = self.getFullPath(options.logFile)
    if options.browserChrome:
      self.makeTestConfig(options)
    else:
      if options.autorun:
        urlOpts.append("autorun=1")
      if options.timeout:
        urlOpts.append("timeout=%d" % options.timeout)
      if options.closeWhenDone:
        urlOpts.append("closeWhenDone=1")
      if options.logFile:
        urlOpts.append("logFile=" + encodeURIComponent(options.logFile))
        urlOpts.append("fileLevel=" + encodeURIComponent(options.fileLevel))
      if options.consoleLevel:
        urlOpts.append("consoleLevel=" + encodeURIComponent(options.consoleLevel))
      if options.totalChunks:
        urlOpts.append("totalChunks=%d" % options.totalChunks)
        urlOpts.append("thisChunk=%d" % options.thisChunk)
      if options.chunkByDir:
        urlOpts.append("chunkByDir=%d" % options.chunkByDir)
      if options.shuffle:
        urlOpts.append("shuffle=1")
      if len(urlOpts) > 0:
        testURL += "?" + "&".join(urlOpts)

    browserEnv["XPCOM_MEM_BLOAT_LOG"] = self.LEAK_REPORT_FILE

    if options.fatalAssertions:
      browserEnv["XPCOM_DEBUG_BREAK"] = "stack-and-abort"

    # run once with -silent to let the extension manager do its thing
    # and then exit the app
    self.automation.log.info("INFO | runtests.py | Performing extension manager registration: start.\n")
    # Don't care about this |status|: |runApp()| reporting it should be enough.
    status = self.automation.runApp(None, browserEnv, options.app,
                                self.PROFILE_DIRECTORY, ["-silent"],
                                utilityPath = options.utilityPath,
                                xrePath = options.xrePath,
                                symbolsPath=options.symbolsPath)
    # We don't care to call |processLeakLog()| for this step.
    self.automation.log.info("\nINFO | runtests.py | Performing extension manager registration: end.")

    # 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.autorun:
      timeout = None
    else:
      timeout = 330.0 # default JS harness timeout is 300 seconds
    self.automation.log.info("INFO | runtests.py | Running tests: start.\n")
    status = self.automation.runApp(testURL, browserEnv, options.app,
                                self.PROFILE_DIRECTORY, options.browserArgs,
                                runSSLTunnel = True,
                                utilityPath = options.utilityPath,
                                xrePath = options.xrePath,
                                certPath=options.certPath,
                                debuggerInfo=debuggerInfo,
                                symbolsPath=options.symbolsPath,
                                timeout = timeout)

    # Server's no longer needed, and perhaps more importantly, anything it might
    # spew to console shouldn't disrupt the leak information table we print next.
    server.stop()

    processLeakLog(self.LEAK_REPORT_FILE, options.leakThreshold)
    self.automation.log.info("\nINFO | runtests.py | Running tests: end.")

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

    # hanging due to non-halting threads is no fun; assume we hit the errors we
    # were going to hit already and exit.
    return status

  def makeTestConfig(self, 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(os.path.join(self.PROFILE_DIRECTORY, "testConfig.js"), "w")
    config.write(content)
    config.close() 


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

    chromedir = os.path.join(self.PROFILE_DIRECTORY, "chrome")
    os.mkdir(chromedir)

    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;
}
"""

    # write userChrome.css
    chromeFile = open(os.path.join(self.PROFILE_DIRECTORY, "userChrome.css"), "a")
    chromeFile.write(chrome)
    chromeFile.close()


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


    (path, leaf) = os.path.split(options.app)
    manifest = os.path.join(path, "chrome", "mochikit.manifest")
    manifestFile = open(manifest, "w")
    manifestFile.write("content mochikit " + chrometestDir + " contentaccessible=yes\n")

    if options.browserChrome:
      manifestFile.write("""overlay chrome://navigator/content/navigator.xul chrome://mochikit/content/browser-test-overlay.xul
overlay chrome://browser/content/browser.xul chrome://mochikit/content/browser-test-overlay.xul
""")
    manifestFile.close()

    return manifest

  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)
      dest = os.path.join(self.PROFILE_DIRECTORY, os.path.basename(abspath))
      if os.path.isdir(abspath):
        shutil.copytree(abspath, dest)
      else:
        shutil.copy(abspath, dest)

def main():
  automation = Automation()
  mochitest = Mochitest(automation)
  parser = MochitestOptions(automation, mochitest.SCRIPT_DIRECTORY)
  options, args = parser.parse_args()

  if options.totalChunks is not None and options.thisChunk is None:
    parser.error("thisChunk must be specified when totalChunks is specified")

  if options.totalChunks:
    if not 1 <= options.thisChunk <= options.totalChunks:
      parser.error("thisChunk must be between 1 and totalChunks")

  if options.xrePath is None:
    # default xrePath to the app path if not provided
    # but only if an app path was explicitly provided
    if options.app != parser.defaults['app']:
      options.xrePath = os.path.dirname(options.app)
    else:
      # otherwise default to dist/bin
      options.xrePath = automation.DIST_BIN

  # allow relative paths
  options.xrePath = mochitest.getFullPath(options.xrePath)

  options.app = mochitest.getFullPath(options.app)
  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)

  options.utilityPath = mochitest.getFullPath(options.utilityPath)
  options.certPath = mochitest.getFullPath(options.certPath)
  if options.symbolsPath:
    options.symbolsPath = mochitest.getFullPath(options.symbolsPath)

  sys.exit(mochitest.runTests(options))

if __name__ == "__main__":
  main()