Testing Membrane Element

    test "Converts sample audio to text" do
      current_dir = __DIR__
      file_path = Path.join([current_dir, "../../fixtures/test.wav"])
      absolute_path = Path.expand(file_path)
      sample_audio = File.read!(absolute_path)

      expected_text =
        "Adventure 1 a scandal in Bohemia from The Adventures of Sherlock Holmes by Sir Arthur Conan Doyle. This is a LibriVox recording."

      links = [
        child(:source, %Source{output: [sample_audio], stream_format: %RawAudio{sample_format: :s16le, sample_rate: 16_000, channels: 1}})
        |> child(:speech_2_text, Speech2Text)
        |> child(:sink, %Sink{})
      ]

      options = [
        spec: links
      ]

      pipeline = Pipeline.start_link_supervised!(options)

      assert_sink_buffer(pipeline, :sink, {:buffer, %Buffer{payload: ^expected_text}}, 5_000)

      Pipeline.terminate(pipeline)
    end