code: def test_non_inductor_backend(self):
      def assert_options(expected_mode=None, expected_options=None):
          def backend(gm, _, *, mode=None, options=None):
              nonlocal call_count
              self.assertEqual(mode, expected_mode)
              self.assertEqual(options, expected_options)
              call_count += 1
              return gm
  
          return backend
  
      inp = torch.randn(8)
  
      def fn(x):
          return x + 1
  
      for mode, options in [
          (None, None),
          ("fast-mode", None),
          (None, {"foo": "bar"}),
      ]:
          call_count = 0
          torch.compile(
              fn,
              backend=assert_options(mode, options),
              mode=mode,
              options=options,
          )(inp)
          torch._dynamo.reset()
          self.assertEqual(call_count, 1)
  
      # TypeError: eager() got an unexpected keyword argument 'mode'
      self.assertRaises(
          torch._dynamo.exc.BackendCompilerFailed,
          lambda: torch.compile(fn, backend="eager", mode="nope")(inp),
      )
  
imports: import math
  import unittest
  import torch
  from torch._dynamo.test_case import run_tests, TestCase
  from torch._inductor import config
  from torch.testing._internal.inductor_utils import HAS_CPU
label_desc: Use image node_id 13 for calling the TestInductorConfig obj's underlying member method code with example usage: obj.test_non_inductor_backend() and returns: backend, unknown, gm