from __future__ import annotations

import struct
import wave
from pathlib import Path

from manim import Scene


def test_add_sound(tmpdir):
    # create sound file
    sound_loc = Path(tmpdir, "noise.wav")
    with wave.open(str(sound_loc), "w") as f:
        f.setparams((2, 2, 44100, 0, "NONE", "not compressed"))
        for _ in range(22050):  # half a second of sound
            packed_value = struct.pack("h", 14242)
            f.writeframes(packed_value)
            f.writeframes(packed_value)

    scene = Scene()
    scene.add_sound(sound_loc)
