kaledonya clips: a Discord-friendly clip site on top of Zipline

Co-Authored-By: Claude Opus 5.5 <[email protected]>

intake/tests/test_remux.py

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+import shutil
+import subprocess
+
+import pytest
+
+from app.remux import remux_to_mp4
+
+needs_ffmpeg = pytest.mark.skipif(shutil.which("ffmpeg") is None, reason="ffmpeg not installed")
+
+
+def make_mkv(path):
+    subprocess.run(
+        ["ffmpeg", "-v", "error", "-y",
+         "-f", "lavfi", "-i", "testsrc=size=320x240:rate=30",
+         "-f", "lavfi", "-i", "sine=frequency=440",
+         "-t", "1", "-c:v", "libx264", "-c:a", "aac", str(path)],
+        check=True,
+    )
+
+
+@needs_ffmpeg
+def test_remux_good_mkv(tmp_path):
+    src, dst = tmp_path / "in.mkv", tmp_path / "out.mp4"
+    make_mkv(src)
+    assert remux_to_mp4(src, dst) is True
+    assert dst.read_bytes()[4:8] == b"ftyp"
+
+
+def test_remux_garbage_returns_false(tmp_path):
+    src, dst = tmp_path / "in.mkv", tmp_path / "out.mp4"
+    src.write_bytes(b"not a video at all")
+    assert remux_to_mp4(src, dst) is False
+    assert not dst.exists()
+
+
+def test_remux_missing_ffmpeg_returns_false(tmp_path, monkeypatch):
+    monkeypatch.setenv("PATH", "")
+    src, dst = tmp_path / "in.mkv", tmp_path / "out.mp4"
+    src.write_bytes(b"x")
+    assert remux_to_mp4(src, dst) is False