from __future__ import annotations

import unittest
from unittest.mock import patch

from moss_transcribe_diarize.app.ffmpeg import detect_ffmpeg, probe_video_size


class FFmpegTest(unittest.TestCase):
    def test_detect_ffmpeg_reports_missing_tools(self):
        with patch("shutil.which", return_value=None):
            availability = detect_ffmpeg()

        self.assertFalse(availability.available)
        self.assertEqual(availability.to_dict()["available"], False)

    def test_probe_video_size_returns_default_without_ffprobe(self):
        with patch("moss_transcribe_diarize.app.ffmpeg.detect_ffmpeg") as mocked:
            mocked.return_value.ffprobe = None
            self.assertEqual(probe_video_size("missing.mp4"), (1920, 1080))


if __name__ == "__main__":
    unittest.main()