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How to use _build_command_line method in autotest

Best Python code snippet using autotest_python

gtest.py

Source:gtest.py

...39        failed.append(fixture)40  return (tests, failed)41def _run_apptest(config, shell, args, apptest):42  """Runs an apptest and checks the output for signs of gtest failure."""43  command = _build_command_line(config, args, apptest)44  logging.getLogger().debug("Command: %s" % " ".join(command))45  start_time = time.time()46  try:47    output = _run_test_with_timeout(config, shell, args, apptest)48  except Exception as e:49    _print_error(command, e)50    return False51  # Fail on output with gtest's "[  FAILED  ]" or a lack of "[  PASSED  ]".52  # The latter condition ensures failure on broken command lines or output.53  # Check output instead of exit codes because mojo shell always exits with 0.54  if output.find("[  FAILED  ]") != -1 or output.find("[  PASSED  ]") == -1:55    _print_error(command, output)56    return False57  ms = int(round(1000 * (time.time() - start_time)))58  logging.getLogger().debug("Passed with output (%d ms):\n%s" % (ms, output))59  return True60def _get_fixtures(config, shell, args, apptest):61  """Returns an apptest's "Suite.Fixture" list via --gtest_list_tests output."""62  arguments = args + ["--gtest_list_tests"]63  command = _build_command_line(config, args, apptest)64  logging.getLogger().debug("Command: %s" % " ".join(command))65  try:66    tests = _run_test_with_timeout(config, shell, arguments, apptest)67    logging.getLogger().debug("Tests for %s:\n%s" % (apptest, tests))68    # Remove log lines from the output and ensure it matches known formatting.69    tests = re.sub("^(\[|WARNING: linker:).*\n", "", tests, flags=re.MULTILINE)70    if not re.match("^(\w*\.\r?\n(  \w*\r?\n)+)+", tests):71      raise Exception("Unrecognized --gtest_list_tests output:\n%s" % tests)72    tests = tests.split("\n")73    test_list = []74    for line in tests:75      if not line:76        continue77      if line[0] != " ":78        suite = line.strip()79        continue80      test_list.append(suite + line.strip())81    return test_list82  except Exception as e:83    _print_error(command, e)84  return []85def _print_error(command_line, error):86  """Properly format an exception raised from a failed command execution."""87  exit_code = ""88  if hasattr(error, 'returncode'):89    exit_code = " (exit code %d)" % error.returncode90  print "\n[  FAILED  ] Command%s: %s" % (exit_code, " ".join(command_line))91  print 72 * "-"92  print error.output if hasattr(error, 'output') else error93  print 72 * "-"94def _build_command_line(config, args, apptest):95  """Build the apptest command line. This value isn't executed on Android."""96  paths = Paths(config)97  # On Linux, always run tests with xvfb, but not for --gtest_list_tests.98  use_xvfb = (config.target_os == Config.OS_LINUX and99              not "--gtest_list_tests" in args)100  prefix = [paths.xvfb, paths.build_dir] if use_xvfb else []101  return prefix + [paths.mojo_runner] + args + [apptest]102# TODO(msw): Determine proper test timeout durations (starting small).103def _run_test_with_timeout(config, shell, args, apptest, timeout_in_seconds=10):104  """Run the given test with a timeout and return the output or an error."""105  result = multiprocessing.Queue()106  process = multiprocessing.Process(107      target=_run_test, args=(config, shell, args, apptest, result))108  process.start()109  process.join(timeout_in_seconds)110  if process.is_alive():111    process.terminate()112    process.join()113    return "Error: Test timeout after %s seconds" % timeout_in_seconds114  return result.get()115def _run_test(config, shell, args, apptest, result):116  """Run the given test and puts the output in |result|."""117  if (config.target_os != Config.OS_ANDROID):118    command = _build_command_line(config, args, apptest)119    result.put(subprocess.check_output(command, stderr=subprocess.STDOUT))120    return121  assert shell122  (r, w) = os.pipe()123  with os.fdopen(r, "r") as rf:124    with os.fdopen(w, "w") as wf:125      shell.StartActivity('MojoShellActivity', args + [apptest], wf, wf.close)...

inotify.py

Source:inotify.py

...14    """15    Profiler based on inotifywait from inotify-tools16    """17    version = 118    def _build_command_line(self, paths, test):19        default_opts = "-m -t 0 --format='%T|%,e|%w|%f' --timefmt '%m/%d %X'"20        paths_valid = [p for p in paths if os.path.exists(p)]21        paths_str = ' '.join(paths_valid)22        output_option = '-o %s' % os.path.join(test.profdir, 'inotify')23        options = '%s %s' % (default_opts, output_option)24        return '%s %s %s' % (self.inotifywait, options, paths_str)25    def initialize(self, paths=[]):26        try:27            self.inotifywait = os_dep.command('inotifywait')28        except ValueError:29            logging.error('Command inotifywait from inotify-tools is not present')30            self.inotifywait = None31        self.paths = paths32    def start(self, test):33        if self.inotifywait is None:34            logging.error("Profiler inotify won't perform any action because "35                          "the inotifywait tool from inotify-tools is missing "36                          "on this system")37            return38        # monitor the test directories by default39        if not self.paths:40            self.paths = [test.bindir, test.srcdir, test.tmpdir]41        self.command_line = self._build_command_line(self.paths, test)42        logging.debug('running inotify profiler command: %s',43                      self.command_line)44        p = subprocess.Popen(self.command_line,45                             shell=True,46                             stdout=subprocess.PIPE,47                             stderr=subprocess.PIPE)48        self.pid = p.pid49    def stop(self, test):50        if self.inotifywait is None:51            return52        try:53            os.kill(self.pid, 15)54        except OSError:55            pass...

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