code: def test_video_works(self):
      num_frames = 11
      fps = 5
      with temp_encoded_video(num_frames=num_frames, fps=fps) as (
          file_name,
          data,
      ):
          test_video = EncodedVideo.from_path(file_name)
          self.assertAlmostEqual(test_video.duration, num_frames / fps)
  
          # All frames (0 - test_video.duration seconds)
          clip = test_video.get_clip(0, test_video.duration + self._EPS)
          frames, audio_samples = clip["video"], clip["audio"]
          self.assertTrue(frames.equal(data))
          self.assertEqual(audio_samples, None)
  
          # Half frames
          clip = test_video.get_clip(0, test_video.duration / 2)
          frames, audio_samples = clip["video"], clip["audio"]
          self.assertTrue(
              frames.equal(data[:, : round(num_frames / 2)])
          )
          self.assertEqual(audio_samples, None)
  
          # No frames
          clip = test_video.get_clip(
              test_video.duration + 1, test_video.duration + 3
          )
          frames, audio_samples = clip["video"], clip["audio"]
          self.assertEqual(frames, None)
          self.assertEqual(audio_samples, None)
          test_video.close()
  
file_path: pytorchvideo/tests/test_data_encoded_video.py
imports: import tempfile
  import unittest
  import pytest
  from pytorchvideo.data.encoded_video import EncodedVideo
  from pytorchvideo.data.encoded_video_pyav import EncodedVideoPyAV
  from utils import temp_encoded_video, temp_encoded_video_with_audio
label_desc: Use image node_id 1 for calling the TestEncodedVideo obj's underlying member method code with example usage: obj.test_video_works() without return types