Method _MockCommand

deps/v8/tools/unittests/run_perf_test.py:166–213

(self, raw_dirs, raw_outputs, *args, **kwargs)

      f.write(json.dumps(json_content))

  def _MockCommand(self, raw_dirs, raw_outputs, *args, **kwargs):
    on_bots = kwargs.pop('on_bots', False)
    # Fake output for each test run.
    test_outputs = [
        Output(
            stdout=output,
            timed_out=kwargs.get('timed_out', False),
            exit_code=kwargs.get('exit_code', 0),
            start_time=0,
            end_time=42) for output in raw_outputs
    ]

    def create_cmd(*args, **kwargs):
      cmd = mock.MagicMock()
      def execute(*args, **kwargs):
        return test_outputs.pop()
      cmd.execute = mock.MagicMock(side_effect=execute)
      return cmd

    mock.patch.object(
        run_perf.command, 'PosixCommand',
        mock.MagicMock(side_effect=create_cmd)).start()

    build_dir = 'Release' if on_bots else 'x64.release'
    out_dirs = ['out', 'out-secondary']
    return_values = [
      os.path.join(os.path.dirname(TOOLS_ROOT), out, build_dir)
      for out in out_dirs
    ]
    mock.patch.object(
        run_perf, 'find_build_directory',
        mock.MagicMock(side_effect=return_values)).start()

    # Check that d8 is called from the correct cwd for each test run.
    dirs = [os.path.join(TEST_WORKSPACE, dir) for dir in raw_dirs]

    def chdir(dir, *args, **kwargs):
      if not dirs:
        raise Exception("Missing test chdir '%s'" % dir)
      expected_dir = dirs.pop()
      self.assertEqual(
          expected_dir, dir,
          "Unexpected chdir: expected='%s' got='%s'" % (expected_dir, dir))

    os.chdir = mock.MagicMock(side_effect=chdir)

    subprocess.check_call = mock.MagicMock()
    platform.system = mock.MagicMock(return_value='Linux')

  def _CallMain(self, *args):
    self._test_output = os.path.join(TEST_WORKSPACE, 'results.json')