code: def test_main(self):
      self.needs_resources()
      if IS_WINDOWS:
          # I was getting tempfile errors in CI.  Just skip it.
          self.skipTest("Disabled on Windows.")
  
      with tempfile.NamedTemporaryFile() as tf:
          torch.jit.save(torch.jit.script(SimpleModel()), tf)
          # Actually write contents to disk so we can read it below
          tf.flush()
  
          stdout = io.StringIO()
          torch.utils.model_dump.main(
              [
                  None,
                  "--style=json",
                  tf.name,
              ],
              stdout=stdout,
          )
          self.assertRegex(stdout.getvalue(), r"\A{.*SimpleModel")
  
          stdout = io.StringIO()
          torch.utils.model_dump.main(
              [
                  None,
                  "--style=html",
                  tf.name,
              ],
              stdout=stdout,
          )
          self.assertRegex(
              stdout.getvalue().replace("\n", " "),
              r"\A<!DOCTYPE.*SimpleModel.*componentDidMount",
          )
  
imports: import os
  import io
  import functools
  import tempfile
  import urllib
  import unittest
  import torch
  import torch.backends.xnnpack
  import torch.utils.model_dump
  import torch.utils.mobile_optimizer
  from torch.testing._internal.common_utils import TestCase, run_tests, IS_WINDOWS, skipIfNoXNNPACK
  from torch.testing._internal.common_quantized import supported_qengines
label_desc: Use image node_id 8 for calling the TestModelDump obj's underlying member method code with example usage: obj.test_main() without return types