Method chdir

deps/v8/tools/unittests/run_perf_test.py:202–208

(dir, *args, **kwargs)

    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)