95 lines
2.9 KiB
Python
95 lines
2.9 KiB
Python
import asyncio
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import json
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import os
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import sys
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import wave
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from pathlib import Path
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sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
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import recording
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class FakeUser:
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def __init__(self, user_id, display_name=None, name=None):
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self.id = user_id
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if display_name is not None:
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self.display_name = display_name
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if name is not None:
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self.name = name
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class FakeData:
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def __init__(self, pcm):
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self.pcm = pcm
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def _read_wav_frames(path):
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with wave.open(str(path), "rb") as w:
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return w.readframes(w.getnframes())
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SPEECH = b"\x10\x20" * 100 # non-silent PCM
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SILENCE = b"\x00\x00" * 100
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def test_meeting_sink_writes_mixed_and_per_speaker_tracks(tmp_path):
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mixed = tmp_path / "meeting.wav"
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tracks_dir = tmp_path / "tracks"
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sink = recording.MeetingSink(str(mixed), str(tracks_dir))
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alice = FakeUser(111, display_name="Alice")
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bob = FakeUser(222, display_name="Bob")
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sink.write(alice, FakeData(SPEECH))
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sink.write(bob, FakeData(SPEECH))
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sink.write(alice, FakeData(SPEECH))
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sink.cleanup()
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# Mixed archive is a valid, finalized WAV containing all frames.
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assert mixed.exists()
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mixed_frames = _read_wav_frames(mixed)
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assert mixed_frames == SPEECH * 3
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# Each speaker has their own track.
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alice_track = tracks_dir / "track-111.wav"
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bob_track = tracks_dir / "track-222.wav"
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assert _read_wav_frames(alice_track) == SPEECH * 2
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assert _read_wav_frames(bob_track) == SPEECH
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# Manifest maps tracks back to display names.
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manifest = json.loads((tracks_dir / "tracks.json").read_text())
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names = {t["display_name"]: t["user_id"] for t in manifest["tracks"]}
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assert names == {"Alice": 111, "Bob": 222}
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def test_meeting_sink_excludes_silence_from_speaker_tracks(tmp_path):
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mixed = tmp_path / "meeting.wav"
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tracks_dir = tmp_path / "tracks"
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sink = recording.MeetingSink(str(mixed), str(tracks_dir))
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alice = FakeUser(111, display_name="Alice")
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sink.write(alice, FakeData(SPEECH))
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sink.write(alice, FakeData(SILENCE)) # synthetic silence frame
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sink.cleanup()
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# Mixed gets both frames (faithful timeline), speaker track only the speech.
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assert _read_wav_frames(mixed) == SPEECH + SILENCE
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assert _read_wav_frames(tracks_dir / "track-111.wav") == SPEECH
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def test_meeting_sink_ignores_silence_only_and_unknown_users(tmp_path):
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mixed = tmp_path / "meeting.wav"
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tracks_dir = tmp_path / "tracks"
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sink = recording.MeetingSink(str(mixed), str(tracks_dir))
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# Silence with no user, then silence with a user: neither creates a track.
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sink.write(None, FakeData(SILENCE))
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sink.write(FakeUser(999, display_name="Quiet"), FakeData(SILENCE))
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sink.cleanup()
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manifest = json.loads((tracks_dir / "tracks.json").read_text())
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assert manifest["tracks"] == []
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# Mixed archive still finalized and valid.
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assert _read_wav_frames(mixed) == SILENCE * 2
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