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gart/code/tests/test_voice_timeline_tool.py
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"""Tests for the build_voice_timeline MCP tool."""
import json
import pytest
from tests.test_voice_features_tool import _write_silent_wav
_TRANSCRIPT = {
"language": "pt",
"duration": 4.0,
"text": "isso e seguranca total",
"segments": [
{"text": "isso e", "start": 0.0, "end": 1.0},
{"text": "seguranca total", "start": 2.0, "end": 4.0},
],
"words": [
{"word": "isso", "start": 0.0, "end": 0.4, "confidence": 0.9},
{"word": "e", "start": 0.5, "end": 0.7, "confidence": 0.9},
{"word": "seguranca", "start": 2.0, "end": 2.9, "confidence": 0.9},
{"word": "total", "start": 3.0, "end": 3.5, "confidence": 0.9},
],
}
@pytest.fixture
def wav(tmp_path):
path = tmp_path / "clip.wav"
_write_silent_wav(str(path))
return path
@pytest.fixture
def patched(monkeypatch):
"""Deterministic transcription + acoustics, no optional extras needed."""
import fcpxml.voice_timeline as vt
import server_tools._shared as _shared_mod
monkeypatch.setattr(_shared_mod, "transcribe", lambda *a, **k: _TRANSCRIPT)
monkeypatch.setattr(vt, "extract_pitch", lambda *a, **k: [(2.4, 260.0), (0.2, 120.0)])
monkeypatch.setattr(vt, "extract_energy", lambda *a, **k: [(2.4, 0.95), (0.2, 0.10)])
class TestBuildVoiceTimelineHandler:
async def test_writes_timeline_json(self, wav, patched):
from server import handle_build_voice_timeline
result = await handle_build_voice_timeline({"media_path": str(wav)})
text = result[0].text
json_path = wav.parent / "clip_voice_timeline.json"
assert str(json_path) in text
data = json.loads(json_path.read_text(encoding="utf-8"))
assert data["summary"]["word_count"] == 4
assert len(data["segments"]) == 2
async def test_reports_which_layers_ran(self, wav, patched):
from server import handle_build_voice_timeline
result = await handle_build_voice_timeline({"media_path": str(wav)})
text = result[0].text
assert "Analysis Layers" in text
assert "Transcript" in text
async def test_rejects_disallowed_extension(self, tmp_path):
from server import handle_build_voice_timeline
bad = tmp_path / "clip.txt"
bad.write_text("not audio")
with pytest.raises(ValueError):
await handle_build_voice_timeline({"media_path": str(bad)})
async def test_untranscribable_media_reports_hint(self, wav, monkeypatch):
import server_tools._shared as _shared_mod
from server import handle_build_voice_timeline
monkeypatch.setattr(_shared_mod, "transcribe", lambda *a, **k: None)
result = await handle_build_voice_timeline({"media_path": str(wav)})
assert "faster-whisper" in result[0].text
async def test_uses_persisted_peak_settings(self, wav, patched, monkeypatch):
"""A wider percentile must surface more peak moments."""
import server_tools.voice as server_mod
from server import handle_build_voice_timeline
def config(percentile):
return {
"energy_threshold": 0.5,
"peak_percentile": percentile,
"emphasis_floor": 0.0,
"emphasis_weights": {
"energy": 0.30, "pitch_variation": 0.25, "rate_variation": 0.20,
"pause_before": 0.15, "duration": 0.10,
},
"emotion_enabled": False,
"emotion_sensitivity": 0.5,
}
monkeypatch.setattr(server_mod, "load_voice_analysis_config", lambda: config(0.01))
await handle_build_voice_timeline({"media_path": str(wav)})
strict = json.loads((wav.parent / "clip_voice_timeline.json").read_text())
monkeypatch.setattr(server_mod, "load_voice_analysis_config", lambda: config(1.0))
await handle_build_voice_timeline({"media_path": str(wav)})
loose = json.loads((wav.parent / "clip_voice_timeline.json").read_text())
assert loose["summary"]["peak_count"] > strict["summary"]["peak_count"]