code: def test_fft(self):
      np.random.seed(1234)
      x = random(30) + 1j * random(30)
      assert_allclose(fft1(x), np.fft.fft(x), atol=3e-5)
      assert_allclose(
          fft1(x), np.fft.fft(x, norm="backward"), atol=3e-5
      )
      assert_allclose(
          fft1(x) / np.sqrt(30), np.fft.fft(x, norm="ortho"), atol=5e-6
      )
      assert_allclose(
          fft1(x) / 30.0, np.fft.fft(x, norm="forward"), atol=5e-6
      )
  
imports: import functools
  import queue
  import threading
  from unittest import skipIf, SkipTest
  import pytest
  from pytest import raises
  from torch.testing._internal.common_utils import instantiate_parametrized_tests, parametrize, run_tests, TEST_WITH_TORCHDYNAMO, TestCase
label_desc: Use image node_id 3 for calling the TestFFT1D obj's underlying member method code with example usage: obj.test_fft() without return types