The Tor Browser: layout/tools/reftest/runreftest.py@7e26c7da4463 (annotated)

layout/tools/reftest/runreftest.py@7e26c7da4463 (annotated)

layout/tools/reftest/runreftest.py

Wed, 31 Dec 2014 06:55:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:55:50 +0100
changeset 2: 7e26c7da4463
permissions: -rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

 # 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 reftest test harness.
 """
 from optparse import OptionParser
 import collections
 import json
 import multiprocessing
 import os
 import re
 import shutil
 import subprocess
 import sys
 import threading
 SCRIPT_DIRECTORY = os.path.abspath(os.path.realpath(os.path.dirname(sys.argv[0])))
 sys.path.insert(0, SCRIPT_DIRECTORY)
 from automation import Automation
 from automationutils import (
         addCommonOptions,
         getDebuggerInfo,
         isURL,
         processLeakLog
 )
 import mozprofile
 def categoriesToRegex(categoryList):
   return "\\(" + ', '.join(["(?P<%s>\\d+) %s" % c for c in categoryList]) + "\\)"
 summaryLines = [('Successful', [('pass', 'pass'), ('loadOnly', 'load only')]),
                 ('Unexpected', [('fail', 'unexpected fail'),
                                 ('pass', 'unexpected pass'),
                                 ('asserts', 'unexpected asserts'),
                                 ('fixedAsserts', 'unexpected fixed asserts'),
                                 ('failedLoad', 'failed load'),
                                 ('exception', 'exception')]),
                 ('Known problems', [('knownFail', 'known fail'),
                                     ('knownAsserts', 'known asserts'),
                                     ('random', 'random'),
                                     ('skipped', 'skipped'),
                                     ('slow', 'slow')])]
 # Python's print is not threadsafe.
 printLock = threading.Lock()
 class ReftestThread(threading.Thread):
   def __init__(self, cmdlineArgs):
     threading.Thread.__init__(self)
     self.cmdlineArgs = cmdlineArgs
     self.summaryMatches = {}
     self.retcode = -1
     for text, _ in summaryLines:
       self.summaryMatches[text] = None
   def run(self):
     with printLock:
       print "Starting thread with", self.cmdlineArgs
       sys.stdout.flush()
     process = subprocess.Popen(self.cmdlineArgs, stdout=subprocess.PIPE)
     for chunk in self.chunkForMergedOutput(process.stdout):
       with printLock:
         print chunk,
         sys.stdout.flush()
     self.retcode = process.wait()
   def chunkForMergedOutput(self, logsource):
     """Gather lines together that should be printed as one atomic unit.
     Individual test results--anything between 'REFTEST TEST-START' and
     'REFTEST TEST-END' lines--are an atomic unit.  Lines with data from
     summaries are parsed and the data stored for later aggregation.
     Other lines are considered their own atomic units and are permitted
     to intermix freely."""
     testStartRegex = re.compile("^REFTEST TEST-START")
     testEndRegex = re.compile("^REFTEST TEST-END")
     summaryHeadRegex = re.compile("^REFTEST INFO \\| Result summary:")
     summaryRegexFormatString = "^REFTEST INFO \\| (?P<message>{text}): (?P<total>\\d+) {regex}"
     summaryRegexStrings = [summaryRegexFormatString.format(text=text,
                                                            regex=categoriesToRegex(categories))
                            for (text, categories) in summaryLines]
     summaryRegexes = [re.compile(regex) for regex in summaryRegexStrings]
     for line in logsource:
       if testStartRegex.search(line) is not None:
         chunkedLines = [line]
         for lineToBeChunked in logsource:
           chunkedLines.append(lineToBeChunked)
           if testEndRegex.search(lineToBeChunked) is not None:
             break
         yield ''.join(chunkedLines)
         continue
       haveSuppressedSummaryLine = False
       for regex in summaryRegexes:
         match = regex.search(line)
         if match is not None:
           self.summaryMatches[match.group('message')] = match
           haveSuppressedSummaryLine = True
           break
       if haveSuppressedSummaryLine:
         continue
       if summaryHeadRegex.search(line) is None:
         yield line
 class RefTest(object):
   oldcwd = os.getcwd()
   def __init__(self, automation=None):
     self.automation = automation or Automation()
   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 getManifestPath(self, path):
     "Get the path of the manifest, and for remote testing this function is subclassed to point to remote manifest"
     path = self.getFullPath(path)
     if os.path.isdir(path):
       defaultManifestPath = os.path.join(path, 'reftest.list')
       if os.path.exists(defaultManifestPath):
         path = defaultManifestPath
       else:
         defaultManifestPath = os.path.join(path, 'crashtests.list')
         if os.path.exists(defaultManifestPath):
           path = defaultManifestPath
     return path
   def makeJSString(self, s):
     return '"%s"' % re.sub(r'([\\"])', r'\\\1', s)
   def createReftestProfile(self, options, manifest, server='localhost',
                            special_powers=True, profile_to_clone=None):
     """
       Sets up a profile for reftest.
       'manifest' is the path to the reftest.list file we want to test with.  This is used in
       the remote subclass in remotereftest.py so we can write it to a preference for the
       bootstrap extension.
     """
     locations = mozprofile.permissions.ServerLocations()
     locations.add_host(server, port=0)
     locations.add_host('<file>', port=0)
     # Set preferences for communication between our command line arguments
     # and the reftest harness.  Preferences that are required for reftest
     # to work should instead be set in reftest-cmdline.js .
     prefs = {}
     prefs['reftest.timeout'] = options.timeout * 1000
     if options.totalChunks:
       prefs['reftest.totalChunks'] = options.totalChunks
     if options.thisChunk:
       prefs['reftest.thisChunk'] = options.thisChunk
     if options.logFile:
       prefs['reftest.logFile'] = options.logFile
     if options.ignoreWindowSize:
       prefs['reftest.ignoreWindowSize'] = True
     if options.filter:
       prefs['reftest.filter'] = options.filter
     if options.shuffle:
       prefs['reftest.shuffle'] = True
     prefs['reftest.focusFilterMode'] = options.focusFilterMode
     # Ensure that telemetry is disabled, so we don't connect to the telemetry
     # server in the middle of the tests.
     prefs['toolkit.telemetry.enabled'] = False
     # Likewise for safebrowsing.
     prefs['browser.safebrowsing.enabled'] = False
     prefs['browser.safebrowsing.malware.enabled'] = False
     # And for snippets.
     prefs['browser.snippets.enabled'] = False
     prefs['browser.snippets.syncPromo.enabled'] = False
     # And for useragent updates.
     prefs['general.useragent.updates.enabled'] = False
     # And for webapp updates.  Yes, it is supposed to be an integer.
     prefs['browser.webapps.checkForUpdates'] = 0
     if options.e10s:
       prefs['browser.tabs.remote.autostart'] = True
     for v in options.extraPrefs:
       thispref = v.split('=')
       if len(thispref) < 2:
         print "Error: syntax error in --setpref=" + v
         sys.exit(1)
       prefs[thispref[0]] = mozprofile.Preferences.cast(thispref[1].strip())
     # install the reftest extension bits into the profile
     addons = []
     addons.append(os.path.join(SCRIPT_DIRECTORY, "reftest"))
     # I would prefer to use "--install-extension reftest/specialpowers", but that requires tight coordination with
     # release engineering and landing on multiple branches at once.
     if special_powers and (manifest.endswith('crashtests.list') or manifest.endswith('jstests.list')):
       addons.append(os.path.join(SCRIPT_DIRECTORY, 'specialpowers'))
     # Install distributed extensions, if application has any.
     distExtDir = os.path.join(options.app[ : options.app.rfind(os.sep)], "distribution", "extensions")
     if os.path.isdir(distExtDir):
       for f in os.listdir(distExtDir):
         addons.append(os.path.join(distExtDir, f))
     # Install custom extensions.
     for f in options.extensionsToInstall:
       addons.append(self.getFullPath(f))
     kwargs = { 'addons': addons,
                'preferences': prefs,
                'locations': locations }
     if profile_to_clone:
         profile = mozprofile.Profile.clone(profile_to_clone, **kwargs)
     else:
         profile = mozprofile.Profile(**kwargs)
     self.copyExtraFilesToProfile(options, profile)
     return profile
   def buildBrowserEnv(self, options, profileDir):
     browserEnv = self.automation.environment(xrePath = options.xrePath, debugger=options.debugger)
     browserEnv["XPCOM_DEBUG_BREAK"] = "stack"
     for v in options.environment:
       ix = v.find("=")
       if ix <= 0:
         print "Error: syntax error in --setenv=" + v
         return None
       browserEnv[v[:ix]] = v[ix + 1:]
     # Enable leaks detection to its own log file.
     self.leakLogFile = os.path.join(profileDir, "runreftest_leaks.log")
     browserEnv["XPCOM_MEM_BLOAT_LOG"] = self.leakLogFile
     return browserEnv
   def cleanup(self, profileDir):
     if profileDir:
       shutil.rmtree(profileDir, True)
   def runTests(self, testPath, options, cmdlineArgs = None):
     if not options.runTestsInParallel:
       return self.runSerialTests(testPath, options, cmdlineArgs)
     cpuCount = multiprocessing.cpu_count()
     # We have the directive, technology, and machine to run multiple test instances.
     # Experimentation says that reftests are not overly CPU-intensive, so we can run
     # multiple jobs per CPU core.
     #
     # Our Windows machines in automation seem to get upset when we run a lot of
     # simultaneous tests on them, so tone things down there.
     if sys.platform == 'win32':
       jobsWithoutFocus = cpuCount
     else:
       jobsWithoutFocus = 2 * cpuCount
     totalJobs = jobsWithoutFocus + 1
     perProcessArgs = [sys.argv[:] for i in range(0, totalJobs)]
     # First job is only needs-focus tests.  Remaining jobs are non-needs-focus and chunked.
     perProcessArgs[0].insert(-1, "--focus-filter-mode=needs-focus")
     for (chunkNumber, jobArgs) in enumerate(perProcessArgs[1:], start=1):
       jobArgs[-1:-1] = ["--focus-filter-mode=non-needs-focus",
                         "--total-chunks=%d" % jobsWithoutFocus,
                         "--this-chunk=%d" % chunkNumber]
     for jobArgs in perProcessArgs:
       try:
         jobArgs.remove("--run-tests-in-parallel")
       except:
         pass
       jobArgs.insert(-1, "--no-run-tests-in-parallel")
       jobArgs[0:0] = [sys.executable, "-u"]
     threads = [ReftestThread(args) for args in perProcessArgs[1:]]
     for t in threads:
       t.start()
     while True:
       # The test harness in each individual thread will be doing timeout
       # handling on its own, so we shouldn't need to worry about any of
       # the threads hanging for arbitrarily long.
       for t in threads:
         t.join(10)
       if not any(t.is_alive() for t in threads):
         break
     # Run the needs-focus tests serially after the other ones, so we don't
     # have to worry about races between the needs-focus tests *actually*
     # needing focus and the dummy windows in the non-needs-focus tests
     # trying to focus themselves.
     focusThread = ReftestThread(perProcessArgs[0])
     focusThread.start()
     focusThread.join()
     # Output the summaries that the ReftestThread filters suppressed.
     summaryObjects = [collections.defaultdict(int) for s in summaryLines]
     for t in threads:
       for (summaryObj, (text, categories)) in zip(summaryObjects, summaryLines):
         threadMatches = t.summaryMatches[text]
         for (attribute, description) in categories:
           amount = int(threadMatches.group(attribute) if threadMatches else 0)
           summaryObj[attribute] += amount
         amount = int(threadMatches.group('total') if threadMatches else 0)
         summaryObj['total'] += amount
     print 'REFTEST INFO | Result summary:'
     for (summaryObj, (text, categories)) in zip(summaryObjects, summaryLines):
       details = ', '.join(["%d %s" % (summaryObj[attribute], description) for (attribute, description) in categories])
       print 'REFTEST INFO | ' + text + ': ' + str(summaryObj['total']) + ' (' +  details + ')'
     return int(any(t.retcode != 0 for t in threads))
   def runSerialTests(self, testPath, options, cmdlineArgs = None):
     debuggerInfo = getDebuggerInfo(self.oldcwd, options.debugger, options.debuggerArgs,
         options.debuggerInteractive);
     profileDir = None
     try:
       reftestlist = self.getManifestPath(testPath)
       if cmdlineArgs == None:
         cmdlineArgs = ['-reftest', reftestlist]
       profile = self.createReftestProfile(options, reftestlist)
       profileDir = profile.profile # name makes more sense
       # browser environment
       browserEnv = self.buildBrowserEnv(options, profileDir)
       self.automation.log.info("REFTEST INFO | runreftest.py | Running tests: start.\n")
       status = self.automation.runApp(None, browserEnv, options.app, profileDir,
                                  cmdlineArgs,
                                  utilityPath = options.utilityPath,
                                  xrePath=options.xrePath,
                                  debuggerInfo=debuggerInfo,
                                  symbolsPath=options.symbolsPath,
                                  # give the JS harness 30 seconds to deal
                                  # with its own timeouts
                                  timeout=options.timeout + 30.0)
       processLeakLog(self.leakLogFile, options.leakThreshold)
       self.automation.log.info("\nREFTEST INFO | runreftest.py | Running tests: end.")
     finally:
       self.cleanup(profileDir)
     return status
   def copyExtraFilesToProfile(self, options, profile):
     "Copy extra files or dirs specified on the command line to the testing profile."
     profileDir = profile.profile
     for f in options.extraProfileFiles:
       abspath = self.getFullPath(f)
       if os.path.isfile(abspath):
         if os.path.basename(abspath) == 'user.js':
           extra_prefs = mozprofile.Preferences.read_prefs(abspath)
           profile.set_preferences(extra_prefs)
         else:
           shutil.copy2(abspath, profileDir)
       elif os.path.isdir(abspath):
         dest = os.path.join(profileDir, os.path.basename(abspath))
         shutil.copytree(abspath, dest)
       else:
         self.automation.log.warning("WARNING | runreftest.py | Failed to copy %s to profile", abspath)
         continue
 class ReftestOptions(OptionParser):
   def __init__(self, automation=None):
     self.automation = automation or Automation()
     OptionParser.__init__(self)
     defaults = {}
     # we want to pass down everything from 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("--appname",
                     action = "store", type = "string", dest = "app",
                     default = os.path.join(SCRIPT_DIRECTORY, automation.DEFAULT_APP),
                     help = "absolute path to application, overriding default")
     self.add_option("--extra-profile-file",
                     action = "append", dest = "extraProfileFiles",
                     default = [],
                     help = "copy specified files/dirs to testing profile")
     self.add_option("--timeout",
                     action = "store", dest = "timeout", type = "int",
                     default = 5 * 60, # 5 minutes per bug 479518
                     help = "reftest will timeout in specified number of seconds. [default %default s].")
     self.add_option("--leak-threshold",
                     action = "store", type = "int", dest = "leakThreshold",
                     default = 0,
                     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")
     self.add_option("--utility-path",
                     action = "store", type = "string", dest = "utilityPath",
                     default = self.automation.DIST_BIN,
                     help = "absolute path to directory containing utility "
                            "programs (xpcshell, ssltunnel, certutil)")
     defaults["utilityPath"] = self.automation.DIST_BIN
     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 between 1 and --total-chunks")
     defaults["thisChunk"] = None
     self.add_option("--log-file",
                     action = "store", type = "string", dest = "logFile",
                     default = None,
                     help = "file to log output to in addition to stdout")
     defaults["logFile"] = None
     self.add_option("--skip-slow-tests",
                     dest = "skipSlowTests", action = "store_true",
                     help = "skip tests marked as slow when running")
     defaults["skipSlowTests"] = False
     self.add_option("--ignore-window-size",
                     dest = "ignoreWindowSize", action = "store_true",
                     help = "ignore the window size, which may cause spurious failures and passes")
     defaults["ignoreWindowSize"] = False
     self.add_option("--install-extension",
                     action = "append", dest = "extensionsToInstall",
                     help = "install the specified extension in the testing profile. "
                            "The extension file's name should be <id>.xpi where <id> is "
                            "the extension's id as indicated in its install.rdf. "
                            "An optional path can be specified too.")
     defaults["extensionsToInstall"] = []
     self.add_option("--run-tests-in-parallel",
                     action = "store_true", dest = "runTestsInParallel",
                     help = "run tests in parallel if possible")
     self.add_option("--no-run-tests-in-parallel",
                     action = "store_false", dest = "runTestsInParallel",
                     help = "do not run tests in parallel")
     defaults["runTestsInParallel"] = False
     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("--filter",
                     action = "store", type="string", dest = "filter",
                     help = "specifies a regular expression (as could be passed to the JS "
                            "RegExp constructor) to test against URLs in the reftest manifest; "
                            "only test items that have a matching test URL will be run.")
     defaults["filter"] = None
     self.add_option("--shuffle",
                     action = "store_true", dest = "shuffle",
                     help = "run reftests in random order")
     defaults["shuffle"] = False
     self.add_option("--focus-filter-mode",
                     action = "store", type = "string", dest = "focusFilterMode",
                     help = "filters tests to run by whether they require focus. "
                            "Valid values are `all', `needs-focus', or `non-needs-focus'. "
                            "Defaults to `all'.")
     defaults["focusFilterMode"] = "all"
     self.add_option("--e10s",
                     action = "store_true",
                     dest = "e10s",
                     help = "enables content processes")
     defaults["e10s"] = False
     self.set_defaults(**defaults)
   def verifyCommonOptions(self, options, reftest):
     if options.totalChunks is not None and options.thisChunk is None:
       self.error("thisChunk must be specified when totalChunks is specified")
     if options.totalChunks:
       if not 1 <= options.thisChunk <= options.totalChunks:
         self.error("thisChunk must be between 1 and totalChunks")
     if options.logFile:
       options.logFile = reftest.getFullPath(options.logFile)
     if options.xrePath is not None:
       if not os.access(options.xrePath, os.F_OK):
         self.error("--xre-path '%s' not found" % options.xrePath)
       if not os.path.isdir(options.xrePath):
         self.error("--xre-path '%s' is not a directory" % options.xrePath)
       options.xrePath = reftest.getFullPath(options.xrePath)
     if options.runTestsInParallel:
       if options.logFile is not None:
         self.error("cannot specify logfile with parallel tests")
       if options.totalChunks is not None and options.thisChunk is None:
         self.error("cannot specify thisChunk or totalChunks with parallel tests")
       if options.focusFilterMode != "all":
         self.error("cannot specify focusFilterMode with parallel tests")
       if options.debugger is not None:
         self.error("cannot specify a debugger with parallel tests")
     return options
 def main():
   automation = Automation()
   parser = ReftestOptions(automation)
   reftest = RefTest(automation)
   options, args = parser.parse_args()
   if len(args) != 1:
     print >>sys.stderr, "No reftest.list specified."
     sys.exit(1)
   options = parser.verifyCommonOptions(options, reftest)
   options.app = reftest.getFullPath(options.app)
   if not os.path.exists(options.app):
     print """Error: Path %(app)s doesn't exist.
 Are you executing $objdir/_tests/reftest/runreftest.py?""" \
             % {"app": options.app}
     sys.exit(1)
   if options.xrePath is None:
     options.xrePath = os.path.dirname(options.app)
   if options.symbolsPath and not isURL(options.symbolsPath):
     options.symbolsPath = reftest.getFullPath(options.symbolsPath)
   options.utilityPath = reftest.getFullPath(options.utilityPath)
   sys.exit(reftest.runTests(args[0], options))
 if __name__ == "__main__":
   main()

The Tor Browser / annotate

layout/tools/reftest/runreftest.py@7e26c7da4463 (annotated)

layout/tools/reftest/runreftest.py