106 lines
3.6 KiB
Markdown
106 lines
3.6 KiB
Markdown
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---
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type: TestingGuide
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title: Test-Leitfaden
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description: pytest-Setup für whisper-local. Plattformspezifische Tests via skipif, AsyncMock für asyncio-Callbacks, Mocking-Muster für sounddevice und faster-whisper.
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tags: [testing, pytest, asyncio, mocking, platform-specific]
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---
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# Test-Leitfaden
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## Setup
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```bash
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uv run pytest # alle Tests
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uv run pytest -v # verbose
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uv run pytest tests/test_main.py # einzelne Datei
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```
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Dev-Dependencies: `pytest>=8.0.0`, `pytest-asyncio>=0.24.0` (in `pyproject.toml` unter `[dependency-groups] dev`).
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## Plattformspezifische Tests
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Plattformabhängige Tests werden mit `@pytest.mark.skipif` übersprungen:
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```python
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import sys
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import pytest
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@pytest.mark.skipif(sys.platform != "linux", reason="nur Linux")
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def test_evdev_listener():
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...
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@pytest.mark.skipif(sys.platform != "win32", reason="nur Windows")
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def test_pynput_listener():
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...
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```
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Dieses Muster wird durchgehend angewendet — z.B. in `test_hotkey.py` (evdev vs. pynput), `test_media_mpris.py` (Linux), `test_media_smtc.py` (Windows).
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## Async-Tests
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Async-Tests verwenden `pytest-asyncio`:
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```python
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@pytest.mark.asyncio
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async def test_on_press_starts_recording():
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app = App(config=Config())
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app.on_press = AsyncMock()
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await app.on_press()
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...
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```
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Async-Callbacks (`on_press`, `on_release`, Mikrofon-Monitor-Callbacks) werden mit `unittest.mock.AsyncMock` gemockt.
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## Mocking-Muster
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### sounddevice
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`Recorder` und `PollMonitor` verwenden `sounddevice`. In Tests wird `sd.InputStream` bzw. `sd.query_devices` gemockt:
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```python
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@patch("whisper_local.recorder.sd.InputStream")
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def test_recorder_start(mock_stream):
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recorder = Recorder()
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recorder.start()
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mock_stream.assert_called_once()
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```
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### faster-whisper
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`Transcriber` wird mit einem gemockten `WhisperModel` instanziiert, um Modell-Downloads zu vermeiden:
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```python
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def test_transcriber(mock_model):
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transcriber = Transcriber(model=mock_model, language="de")
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...
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```
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Der `Transcriber` akzeptiert ein optionales `model`-Argument, das in Tests genutzt wird — ein expliziter Design-Entscheidung (Commit `3a58099`).
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### Windows COM / winrt
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`test_media_smtc.py` sichert `winrt`-Imports plattformabsichern ab. `test_main.py` mockt `create_monitor`, um COM-Abhängigkeiten zu umgehen.
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## Test-Übersicht
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| Test-Datei | Fokus | Plattform |
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|---|---|---|
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| `test_config.py` | Config laden/speichern, Defaults, TOML-Escaping | alle |
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| `test_recorder.py` | Recorder start/stop, min_duration-Filter | alle |
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| `test_transcriber.py` | Transcriber mit gemocktem Model | alle |
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| `test_hotkey.py` | Beide Backends, Key-Repeat-Unterdrückung | je `skipif` |
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| `test_inserter.py` | Wayland + Win32, Clipboard-Restaurierung | je `skipif` |
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| `test_media_factory.py` | Factory-Dispatch | alle |
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| `test_media_mpris.py` | MprisController, Circuit-Breaker | Linux |
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| `test_media_smtc.py` | SmtcController, Circuit-Breaker | Windows |
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| `test_microphone_monitor.py` | PollMonitor, Start-Check | alle |
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| `test_tray.py` | Tray-App, AppState, Icon, Settings | alle |
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| `test_download_progress.py` | Download-Dialog | alle |
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| `test_main.py` | App-Integration: Zyklus, Config-Reload, Mikrofon | alle |
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## Wichtige Test-Konventionen
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- **Mocks statt echter Hardware**: Kein echtes Mikrofon, keine echte Tastatur, kein D-Bus, kein SMTC in Tests.
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- **`create_monitor` mocken in `test_main.py`**: Verhindert COM-Initialisierung auf Nicht-Windows-Plattformen (Commit `1f8adc5`).
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- **Recorder vor Ersatz stoppen**: `test_main.py` stellt sicher, dass der Recorder gestoppt wird, bevor er durch Config-Reload ersetzt wird (Commit `1f8adc5`).
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