tor-browser

mach_commands.py (20398B)

---

# 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/.

import functools
import logging
import os
import sys
import warnings
from argparse import Namespace
from collections import defaultdict

from mach.decorators import Command, CommandArgument
from mozbuild.base import MachCommandConditions as conditions
from mozbuild.base import MozbuildObject
from mozfile import load_source

here = os.path.abspath(os.path.dirname(__file__))


ENG_BUILD_REQUIRED = """
The mochitest command requires an engineering build. It may be the case that
VARIANT=user or PRODUCTION=1 were set. Try re-building with VARIANT=eng:

   $ VARIANT=eng ./build.sh

There should be an app called 'test-container.gaiamobile.org' located in
{}.
""".lstrip()

SUPPORTED_TESTS_NOT_FOUND = """
The mochitest command could not find any supported tests to run! The
following flavors and subsuites were found, but are either not supported on
{} builds, or were excluded on the command line:

{}

Double check the command line you used, and make sure you are running in
context of the proper build. To switch build contexts, either run |mach|
from the appropriate objdir, or export the correct mozconfig:

   $ export MOZCONFIG=path/to/mozconfig
""".lstrip()

TESTS_NOT_FOUND = """
The mochitest command could not find any mochitests under the following
test path(s):

{}

Please check spelling and make sure there are mochitests living there.
""".lstrip()

SUPPORTED_APPS = ["firefox", "android", "thunderbird", "ios"]

parser = None


class MochitestRunner(MozbuildObject):
   """Easily run mochitests.

   This currently contains just the basics for running mochitests. We may want
   to hook up result parsing, etc.
   """

   def __init__(self, *args, **kwargs):
       MozbuildObject.__init__(self, *args, **kwargs)

       # TODO Bug 794506 remove once mach integrates with virtualenv.
       build_path = os.path.join(self.topobjdir, "build")
       if build_path not in sys.path:
           sys.path.append(build_path)

       self.tests_dir = os.path.join(self.topobjdir, "_tests")
       self.mochitest_dir = os.path.join(self.tests_dir, "testing", "mochitest")
       self.bin_dir = os.path.join(self.topobjdir, "dist", "bin")

   def resolve_tests(self, test_paths, test_objects=None, cwd=None):
       if test_objects:
           return test_objects

       from moztest.resolve import TestResolver

       resolver = self._spawn(TestResolver)
       tests = list(resolver.resolve_tests(paths=test_paths, cwd=cwd))
       return tests

   def run_desktop_test(self, command_context, tests=None, **kwargs):
       """Runs a mochitest."""
       # runtests.py is ambiguous, so we load the file/module manually.
       if "mochitest" not in sys.modules:
           path = os.path.join(self.mochitest_dir, "runtests.py")
           load_source("mochitest", path)

       import mochitest

       # This is required to make other components happy. Sad, isn't it?
       os.chdir(self.topobjdir)

       # Automation installs its own stream handler to stdout. Since we want
       # all logging to go through us, we just remove their handler.
       remove_handlers = [
           l
           for l in logging.getLogger().handlers
           if isinstance(l, logging.StreamHandler)
       ]
       for handler in remove_handlers:
           logging.getLogger().removeHandler(handler)

       options = Namespace(**kwargs)
       options.topsrcdir = self.topsrcdir
       options.topobjdir = self.topobjdir

       from manifestparser import TestManifest

       if tests and not options.manifestFile:
           manifest = TestManifest()
           manifest.tests.extend(tests)
           options.manifestFile = manifest

           # When developing mochitest-plain tests, it's often useful to be able to
           # refresh the page to pick up modifications. Therefore leave the browser
           # open if only running a single mochitest-plain test. This behaviour can
           # be overridden by passing in --keep-open=false.
           if (
               len(tests) == 1
               and options.keep_open is None
               and not options.headless
               and getattr(options, "flavor", "plain") == "plain"
           ):
               options.keep_open = True

       # We need this to enable colorization of output.
       self.log_manager.enable_unstructured()
       result = mochitest.run_test_harness(parser, options)
       self.log_manager.disable_unstructured()
       return result

   def run_android_test(self, command_context, tests, **kwargs):
       host_ret = verify_host_bin()
       if host_ret != 0:
           return host_ret

       path = os.path.join(self.mochitest_dir, "runtestsremote.py")
       load_source("runtestsremote", path)

       import runtestsremote

       options = Namespace(**kwargs)

       from manifestparser import TestManifest

       if tests and not options.manifestFile:
           manifest = TestManifest()
           manifest.tests.extend(tests)
           options.manifestFile = manifest

       return runtestsremote.run_test_harness(parser, options)

   def run_ios_test(self, command_context, tests, **kwargs):
       host_ret = verify_host_bin()
       if host_ret != 0:
           return host_ret

       path = os.path.join(self.mochitest_dir, "runtestsremoteios.py")
       load_source("runtestsremoteios", path)

       import runtestsremoteios

       options = Namespace(**kwargs)

       from manifestparser import TestManifest

       if tests and not options.manifestFile:
           manifest = TestManifest()
           manifest.tests.extend(tests)
           options.manifestFile = manifest

       return runtestsremoteios.run_test_harness(parser, options)

   def run_geckoview_junit_test(self, context, **kwargs):
       host_ret = verify_host_bin()
       if host_ret != 0:
           return host_ret

       import runjunit

       options = Namespace(**kwargs)

       return runjunit.run_test_harness(parser, options)


# parser


def setup_argument_parser():
   build_obj = MozbuildObject.from_environment(cwd=here)

   build_path = os.path.join(build_obj.topobjdir, "build")
   if build_path not in sys.path:
       sys.path.append(build_path)

   mochitest_dir = os.path.join(build_obj.topobjdir, "_tests", "testing", "mochitest")

   with warnings.catch_warnings():
       warnings.simplefilter("ignore")

       path = os.path.join(build_obj.topobjdir, mochitest_dir, "runtests.py")
       if not os.path.exists(path):
           path = os.path.join(here, "runtests.py")

       load_source("mochitest", path)

       from mochitest_options import MochitestArgumentParser

   if conditions.is_android(build_obj):
       # On Android, check for a connected device (and offer to start an
       # emulator if appropriate) before running tests. This check must
       # be done in this admittedly awkward place because
       # MochitestArgumentParser initialization fails if no device is found.
       from mozrunner.devices.android_device import (
           InstallIntent,
           verify_android_device,
       )

       # verify device and xre
       verify_android_device(build_obj, install=InstallIntent.NO, xre=True)

   if conditions.is_ios(build_obj):
       # On iOS, check for a connected device before running tests.
       from mozrunner.devices.ios_device import verify_ios_device

       # verify device and xre
       verify_ios_device(build_obj, install=False, xre=True)

   global parser
   parser = MochitestArgumentParser()
   return parser


def setup_junit_argument_parser():
   build_obj = MozbuildObject.from_environment(cwd=here)

   build_path = os.path.join(build_obj.topobjdir, "build")
   if build_path not in sys.path:
       sys.path.append(build_path)

   mochitest_dir = os.path.join(build_obj.topobjdir, "_tests", "testing", "mochitest")

   with warnings.catch_warnings():
       warnings.simplefilter("ignore")

       # runtests.py contains MochitestDesktop, required by runjunit
       path = os.path.join(build_obj.topobjdir, mochitest_dir, "runtests.py")
       if not os.path.exists(path):
           path = os.path.join(here, "runtests.py")

       load_source("mochitest", path)

       import runjunit
       from mozrunner.devices.android_device import (
           InstallIntent,
           verify_android_device,
       )

       verify_android_device(
           build_obj, install=InstallIntent.NO, xre=True, network=True
       )

   global parser
   parser = runjunit.JunitArgumentParser()
   return parser


def verify_host_bin():
   # validate MOZ_HOST_BIN environment variables for Android tests
   xpcshell_binary = "xpcshell"
   if os.name == "nt":
       xpcshell_binary = "xpcshell.exe"
   MOZ_HOST_BIN = os.environ.get("MOZ_HOST_BIN")
   if not MOZ_HOST_BIN:
       print(
           "environment variable MOZ_HOST_BIN must be set to a directory containing host "
           "%s" % xpcshell_binary
       )
       return 1
   elif not os.path.isdir(MOZ_HOST_BIN):
       print("$MOZ_HOST_BIN does not specify a directory")
       return 1
   elif not os.path.isfile(os.path.join(MOZ_HOST_BIN, xpcshell_binary)):
       print("$MOZ_HOST_BIN/%s does not exist" % xpcshell_binary)
       return 1
   return 0


@Command(
   "mochitest",
   category="testing",
   conditions=[functools.partial(conditions.is_buildapp_in, apps=SUPPORTED_APPS)],
   description="Run any flavor of mochitest (integration test).",
   parser=setup_argument_parser,
)
def run_mochitest_general(
   command_context, flavor=None, test_objects=None, resolve_tests=True, **kwargs
):
   from mochitest_options import ALL_FLAVORS
   from mozlog.commandline import setup_logging
   from mozlog.handlers import ResourceHandler, StreamHandler
   from moztest.resolve import get_suite_definition

   # TODO: This is only strictly necessary while mochitest is using Python
   # 2 and can be removed once the command is migrated to Python 3.
   command_context.activate_virtualenv()

   buildapp = None
   for app in SUPPORTED_APPS:
       if conditions.is_buildapp_in(command_context, apps=[app]):
           buildapp = app
           break

   # Force the buildapp to be android if requested
   if kwargs.get("android"):
       buildapp = "android"

   flavors = None
   if flavor:
       for fname, fobj in ALL_FLAVORS.items():
           if flavor in fobj["aliases"]:
               if buildapp not in fobj["enabled_apps"]:
                   continue
               flavors = [fname]
               break
   else:
       flavors = [f for f, v in ALL_FLAVORS.items() if buildapp in v["enabled_apps"]]

   from mozbuild.controller.building import BuildDriver

   command_context._ensure_state_subdir_exists(".")

   test_paths = kwargs["test_paths"]
   kwargs["test_paths"] = []

   if kwargs.get("debugger", None):
       import mozdebug

       if not mozdebug.get_debugger_info(kwargs.get("debugger")):
           sys.exit(1)

   mochitest = command_context._spawn(MochitestRunner)
   tests = []
   if resolve_tests:
       tests = mochitest.resolve_tests(
           test_paths, test_objects, cwd=command_context._mach_context.cwd
       )

   if not kwargs.get("log"):
       # Create shared logger
       format_args = {"level": command_context._mach_context.settings["test"]["level"]}
       if len(tests) == 1:
           format_args["verbose"] = True
           format_args["compact"] = False

       default_format = command_context._mach_context.settings["test"]["format"]
       log = setup_logging(
           "mach-mochitest", kwargs, {default_format: sys.stdout}, format_args
       )
       kwargs["log"] = log
       for handler in log.handlers:
           if isinstance(handler, StreamHandler):
               handler.formatter.inner.summary_on_shutdown = True

       log.add_handler(ResourceHandler(command_context))

   driver = command_context._spawn(BuildDriver)
   driver.install_tests()

   subsuite = kwargs.get("subsuite")
   if subsuite == "default":
       kwargs["subsuite"] = None

   suites = defaultdict(list)
   is_webrtc_tag_present = False
   unsupported = set()
   for test in tests:
       # Check if we're running a webrtc test so we can enable webrtc
       # specific test logic later if needed.
       if "webrtc" in test.get("tags", ""):
           is_webrtc_tag_present = True

       # Filter out non-mochitests and unsupported flavors.
       if test["flavor"] not in ALL_FLAVORS:
           continue

       key = (test["flavor"], test.get("subsuite", ""))
       if test["flavor"] not in flavors:
           unsupported.add(key)
           continue

       if subsuite == "default":
           # "--subsuite default" means only run tests that don't have a subsuite
           if test.get("subsuite"):
               unsupported.add(key)
               continue
       elif subsuite and test.get("subsuite", "") != subsuite:
           unsupported.add(key)
           continue

       suites[key].append(test)

   # Only webrtc mochitests in the media suite need the websocketprocessbridge.
   if ("mochitest", "media") in suites and is_webrtc_tag_present:
       req = os.path.join(
           "testing",
           "tools",
           "websocketprocessbridge",
           "websocketprocessbridge_requirements_3.txt",
       )
       command_context.virtualenv_manager.activate()
       command_context.virtualenv_manager.install_pip_requirements(
           req, require_hashes=False
       )

       # sys.executable is used to start the websocketprocessbridge, though for some
       # reason it doesn't get set when calling `activate_this.py` in the virtualenv.
       sys.executable = command_context.virtualenv_manager.python_path

   if ("browser-chrome", "a11y") in suites and sys.platform == "win32":
       # Only Windows a11y browser tests need this.
       req = os.path.join(
           "accessible",
           "tests",
           "browser",
           "windows",
           "a11y_setup_requirements.txt",
       )
       command_context.virtualenv_manager.activate()
       command_context.virtualenv_manager.install_pip_requirements(
           req, require_hashes=False
       )

   # This is a hack to introduce an option in mach to not send
   # filtered tests to the mochitest harness. Mochitest harness will read
   # the master manifest in that case.
   if not resolve_tests:
       for flavor_name in flavors:
           key = (flavor_name, kwargs.get("subsuite"))
           suites[key] = []

   if not suites:
       # Make it very clear why no tests were found
       if not unsupported:
           print(
               TESTS_NOT_FOUND.format(
                   "\n".join(sorted(list(test_paths or test_objects)))
               )
           )
           return 1

       msg = []
       for f, s in unsupported:
           fobj = ALL_FLAVORS[f]
           apps = fobj["enabled_apps"]
           name = fobj["aliases"][0]
           if s:
               name = f"{name} --subsuite {s}"

           if buildapp not in apps:
               reason = "requires {}".format(" or ".join(apps))
           else:
               reason = "excluded by the command line"
           msg.append(f"    mochitest -f {name} ({reason})")
       print(SUPPORTED_TESTS_NOT_FOUND.format(buildapp, "\n".join(sorted(msg))))
       return 1

   if buildapp == "android":
       from mozrunner.devices.android_device import (
           InstallIntent,
           get_adb_path,
           verify_android_device,
       )

       app = kwargs.get("app")
       if not app:
           app = "org.mozilla.geckoview.test_runner"
       device_serial = kwargs.get("deviceSerial")
       install = InstallIntent.NO if kwargs.get("no_install") else InstallIntent.YES
       aab = kwargs.get("aab")

       # verify installation
       verify_android_device(
           command_context,
           install=install,
           xre=False,
           network=True,
           app=app,
           aab=aab,
           device_serial=device_serial,
       )

       if not kwargs["adbPath"]:
           kwargs["adbPath"] = get_adb_path(command_context)

       run_mochitest = mochitest.run_android_test
   elif buildapp == "ios":
       from mozrunner.devices.ios_device import verify_ios_device

       app = kwargs.get("app")
       if not app:
           app = "org.mozilla.ios.GeckoTestBrowser"
       install = not kwargs.get("no_install")

       # verify installation
       verify_ios_device(command_context, install=install, xre=False, app=app)

       run_mochitest = mochitest.run_ios_test
   else:
       run_mochitest = mochitest.run_desktop_test

   overall = None
   for (test_flavor, subsuite), tests in sorted(suites.items()):
       suite_name, suite = get_suite_definition(test_flavor, subsuite)
       if "test_paths" in suite["kwargs"]:
           del suite["kwargs"]["test_paths"]

       harness_args = kwargs.copy()
       harness_args.update(suite["kwargs"])
       # Pass in the full suite name as defined in moztest/resolve.py in case
       # chunk-by-runtime is called, in which case runtime information for
       # specific mochitest suite has to be loaded. See Bug 1637463.
       harness_args.update({"suite_name": suite_name})

       result = run_mochitest(
           command_context._mach_context, tests=tests, **harness_args
       )

       if result:
           overall = result

       # Halt tests on keyboard interrupt
       if result == -1:
           break

   # Only shutdown the logger if we created it
   if kwargs["log"].name == "mach-mochitest":
       kwargs["log"].shutdown()

   return overall


@Command(
   "geckoview-junit",
   category="testing",
   conditions=[conditions.is_android],
   description="Run remote geckoview junit tests.",
   parser=setup_junit_argument_parser,
)
@CommandArgument(
   "--no-install",
   help="Do not try to install application on device before "
   + "running (default: False)",
   action="store_true",
   default=False,
)
def run_junit(command_context, no_install, **kwargs):
   command_context._ensure_state_subdir_exists(".")

   from mozrunner.devices.android_device import (
       InstallIntent,
       get_adb_path,
       verify_android_device,
   )

   # verify installation
   app = kwargs.get("app")
   device_serial = kwargs.get("deviceSerial")
   verify_android_device(
       command_context,
       install=InstallIntent.NO if no_install else InstallIntent.YES,
       xre=False,
       app=app,
       device_serial=device_serial,
   )

   if not kwargs.get("adbPath"):
       kwargs["adbPath"] = get_adb_path(command_context)

   if not kwargs.get("log"):
       from mozlog.commandline import setup_logging

       format_args = {"level": command_context._mach_context.settings["test"]["level"]}
       default_format = command_context._mach_context.settings["test"]["format"]
       kwargs["log"] = setup_logging(
           "mach-mochitest", kwargs, {default_format: sys.stdout}, format_args
       )

   if kwargs.get("mach_test") and kwargs.get("test_objects"):
       test_classes = []
       test_objects = kwargs.get("test_objects")
       for test_object in test_objects:
           test_classes.append(classname_for_test(test_object["name"]))
       kwargs["test_filters"] = test_classes

   mochitest = command_context._spawn(MochitestRunner)
   return mochitest.run_geckoview_junit_test(command_context._mach_context, **kwargs)


def classname_for_test(test):
   """Convert path of test file to gradle recognized test suite name"""
   test_path = os.path.join(
       "mobile",
       "android",
       "geckoview",
       "src",
       "androidTest",
       "java",
   )
   return (
       os.path.normpath(test)
       .split(os.path.normpath(test_path))[-1]
       .removeprefix(os.path.sep)
       .replace(os.path.sep, ".")
       .removesuffix(".kt")
   )