Files
voculinux/tests/test_recognition_manager_advanced.py
T
5c031e64fb feat(settings): bilingual dictation support with deferred settings edits (#424)
* feat: add configurable Whisper language candidates

* fix(settings): defer language candidate edits and tolerate list config

The candidates entry applied settings on every keystroke, restarting the
whisper.cpp model per character, and edits typed while an apply held the
guard were dropped so the saved value could differ from the entry. Defer
application like the initial prompt: mark edits dirty and apply on page
change or close; _finish_auto_apply re-applies edits that landed mid-apply,
and _persist_pending_text_edits saves them if the dialog closed first.

A JSON list in config also crashed the dialog on open because
Gtk.Entry.set_text needs a string; populate the entry through the engine's
_normalize_language_candidates so both stored forms render the same text.

* fix(recognition): validate whisper.cpp language candidates before selection

auto_detect_language's probability map names every language the model can
return, but candidate selection scored configured codes against it with a
0.0 default, so a typo or "auto" could still win the max() and reach
transcription. Only codes present in the probability map are eligible now;
unsupported codes are logged and skipped, and when none qualify the
unrestricted detection result is used instead of forcing a code the model
never scored.

Also add the missing input annotation on _normalize_language_candidates.

* fix(settings): persist deferred text edits off the GTK main loop

_finish_auto_apply runs on the main loop and called
_persist_pending_text_edits synchronously, so reconfigure() restarted
the model in-process and froze the UI when the dialog closed mid-apply.
Run the reconfigure + config save on a worker thread, matching the
normal apply path.

Also annotate _on_language_candidates_changed's signature.

* fix(settings): guard deferred saves and annotate new candidate tests

* fix(settings): reconcile the engine to winning settings after a mid-restart apply

* fix(settings): drop superseded deferred edits instead of saving them

A dialog closed mid-apply stashes its pending text edits for a worker to
persist after the running apply finishes. The worker's mtime check could
not tell the in-flight apply from a newer one started in a reopened
dialog, so the older snapshot could reconfigure the shared engine and
save over the settings that won.

Serialize applies and the deferred persist on a shared lock and order
them with a generation counter bumped when an apply begins. The worker
now skips reconfigure and the save entirely when a newer apply has
begun, and skips the restart when the running apply already landed the
same values.

* fix(settings): merge deferred text edits per key instead of dropping them

Closing the dialog mid-apply stashes the typed prompt/candidate values
with the apply's generation. When a reopened dialog applies newer
settings first, the generation check used to discard the whole stash —
losing the closed dialog's edits even where the newer apply never
touched those keys.

Persist keeps a pre-edit baseline per key: after a newer apply lands,
only keys it actually changed are dropped; the rest still reconfigure
the engine and save, so a stale value can never reach the shared engine
while untouched edits are no longer lost.

* refactor(settings): narrow deferred-edit persist exception with context

* chore: retrigger ci

---------

Co-authored-by: Jatin K Malik <jatinkrmalik@gmail.com>
2026-09-30 00:16:44 -07:00

756 lines
28 KiB
Python

"""
Deep coverage tests for recognition_manager.py.
Properly isolated - saves/restores sys.modules to avoid polluting other tests.
"""
import importlib
import json
import os
import sys
import threading
import time
import unittest
from unittest.mock import MagicMock, call, patch
# ---- Safely mock external deps, preserving stdlib ----
_MOCK_KEYS = [
"vosk",
"whisper",
"torch",
"pyaudio",
"pywhispercpp",
"pywhispercpp.model",
]
_ORIG_MODULES = {}
for _k in _MOCK_KEYS:
_ORIG_MODULES[_k] = sys.modules.get(_k)
if _k not in sys.modules:
sys.modules[_k] = MagicMock()
if "gi" not in sys.modules:
sys.modules["gi"] = MagicMock()
if "gi.repository" not in sys.modules:
sys.modules["gi.repository"] = MagicMock()
from vocalinux.common_types import RecognitionState # noqa: E402
from vocalinux.speech_recognition.recognition_manager import ( # noqa: E402
SpeechRecognitionManager,
_get_supported_channels,
_get_supported_sample_rate,
_setup_alsa_error_handler,
get_audio_input_devices,
)
# Restore stdlib modules immediately after import
for _k, _v in _ORIG_MODULES.items():
if _v is not None:
sys.modules[_k] = _v
elif _k in sys.modules and isinstance(sys.modules[_k], MagicMock):
del sys.modules[_k]
def _make_manager(engine="whisper_cpp", **kw):
"""Create a manager with deferred init to avoid actually loading models."""
with (
patch.object(SpeechRecognitionManager, "_init_vosk"),
patch.object(SpeechRecognitionManager, "_init_whisper"),
patch.object(SpeechRecognitionManager, "_init_whispercpp"),
patch.object(SpeechRecognitionManager, "_init_parakeet"),
patch.object(SpeechRecognitionManager, "_init_faster_whisper"),
):
mgr = SpeechRecognitionManager(
engine=engine, model_size="small", language="en-us", defer_download=True, **kw
)
return mgr
class TestALSAErrorHandler(unittest.TestCase):
def test_setup_success(self):
with patch("ctypes.CDLL") as mock_cdll:
mock_cdll.return_value = MagicMock()
_setup_alsa_error_handler()
mock_cdll.assert_called_once_with("libasound.so.2")
def test_setup_oserror(self):
with patch("ctypes.CDLL", side_effect=OSError("not found")):
_setup_alsa_error_handler() # Should not raise
class TestGetAudioInputDevices(unittest.TestCase):
def test_returns_devices(self):
mock_pa_inst = MagicMock()
mock_pa_inst.get_device_count.return_value = 3
mock_pa_inst.get_device_info_by_index.side_effect = [
{"name": "Mic 1", "maxInputChannels": 2, "index": 0},
{"name": "Speaker", "maxInputChannels": 0, "index": 1},
{"name": "Mic 2", "maxInputChannels": 1, "index": 2},
]
mock_pyaudio = MagicMock()
mock_pyaudio.PyAudio.return_value = mock_pa_inst
with patch.dict("sys.modules", {"pyaudio": mock_pyaudio}):
devices = get_audio_input_devices()
self.assertEqual(len(devices), 2)
def test_handles_error(self):
mock_pyaudio = MagicMock()
mock_pyaudio.PyAudio.side_effect = OSError("no audio")
with patch.dict("sys.modules", {"pyaudio": mock_pyaudio}):
devices = get_audio_input_devices()
self.assertEqual(devices, [])
class TestSupportedChannels(unittest.TestCase):
def _run_with_pyaudio(self, func):
mock_pyaudio = MagicMock()
mock_pyaudio.paInt16 = 8
with patch.dict("sys.modules", {"pyaudio": mock_pyaudio}):
return func()
def test_mono_supported(self):
mock_pa = MagicMock()
mock_pa.is_format_supported.return_value = True
result = self._run_with_pyaudio(lambda: _get_supported_channels(mock_pa, None))
self.assertEqual(result, 1)
def test_mono_fails_stereo_ok(self):
mock_pa = MagicMock()
call_count = [0]
mock_stream = MagicMock()
def open_side_effect(**kw):
call_count[0] += 1
if kw.get("channels") == 1:
raise IOError("Invalid number of channels -9998")
return mock_stream
mock_pa.open.side_effect = open_side_effect
result = self._run_with_pyaudio(lambda: _get_supported_channels(mock_pa, None))
self.assertEqual(result, 2)
def test_both_fail(self):
mock_pa = MagicMock()
mock_pa.is_format_supported.side_effect = ValueError("nope")
result = self._run_with_pyaudio(lambda: _get_supported_channels(mock_pa, None))
self.assertEqual(result, 1)
class TestSupportedSampleRate(unittest.TestCase):
def _run_with_pyaudio(self, func):
mock_pyaudio = MagicMock()
mock_pyaudio.paInt16 = 8
with patch.dict("sys.modules", {"pyaudio": mock_pyaudio}):
return func()
def test_default_rate_used(self):
mock_pa = MagicMock()
mock_pa.get_default_input_device_info.return_value = {"defaultSampleRate": 48000}
mock_stream = MagicMock()
mock_pa.open.return_value = mock_stream
result = self._run_with_pyaudio(lambda: _get_supported_sample_rate(mock_pa, None, 1))
self.assertEqual(result, 48000)
def test_all_open_fail_returns_16000(self):
mock_pa = MagicMock()
mock_pa.get_default_input_device_info.return_value = {"defaultSampleRate": 0}
mock_pa.open.side_effect = IOError("no rate works")
result = self._run_with_pyaudio(lambda: _get_supported_sample_rate(mock_pa, None, 1))
self.assertEqual(result, 16000)
class TestManagerConstruction(unittest.TestCase):
def test_vosk_engine(self):
mgr = _make_manager(engine="vosk")
self.assertEqual(mgr.engine, "vosk")
def test_whisper_engine(self):
mgr = _make_manager(engine="whisper")
self.assertEqual(mgr.engine, "whisper")
def test_whispercpp_engine(self):
mgr = _make_manager(engine="whisper_cpp")
self.assertEqual(mgr.engine, "whisper_cpp")
def test_default_state(self):
mgr = _make_manager()
self.assertEqual(mgr.state, RecognitionState.IDLE)
self.assertIsNone(mgr.model)
class TestCallbacks(unittest.TestCase):
def test_register_text_callback(self):
mgr = _make_manager()
cb = MagicMock()
mgr.register_text_callback(cb)
self.assertIn(cb, mgr.text_callbacks)
def test_register_state_callback(self):
mgr = _make_manager()
cb = MagicMock()
mgr.register_state_callback(cb)
self.assertIn(cb, mgr.state_callbacks)
def test_register_action_callback(self):
mgr = _make_manager()
cb = MagicMock()
mgr.register_action_callback(cb)
self.assertIn(cb, mgr.action_callbacks)
def test_register_audio_level_callback(self):
mgr = _make_manager()
cb = MagicMock()
mgr.register_audio_level_callback(cb)
self.assertIn(cb, mgr._audio_level_callbacks)
def test_update_state(self):
mgr = _make_manager()
cb = MagicMock()
mgr.register_state_callback(cb)
mgr._update_state(RecognitionState.LISTENING)
self.assertEqual(mgr.state, RecognitionState.LISTENING)
cb.assert_called_with(RecognitionState.LISTENING)
class TestCancelDownload(unittest.TestCase):
def test_cancel_download(self):
mgr = _make_manager()
mgr._download_cancelled = False
mgr.cancel_download()
self.assertTrue(mgr._download_cancelled)
class TestStartStopRecognition(unittest.TestCase):
def test_stop_recognition(self):
mgr = _make_manager()
mgr.state = RecognitionState.LISTENING
mgr.should_record = True
mgr.audio_thread = MagicMock()
mgr.audio_thread.is_alive.return_value = True
mgr.audio_thread.join = MagicMock()
mgr.stop_recognition()
self.assertFalse(mgr.should_record)
def test_stop_sound_plays_after_audio_thread_join(self):
mgr = _make_manager()
mgr.state = RecognitionState.LISTENING
mgr.should_record = True
mgr.audio_thread = MagicMock()
mgr.audio_thread.is_alive.return_value = True
events = []
mgr.audio_thread.join.side_effect = lambda timeout=None: events.append("join")
with patch(
"vocalinux.speech_recognition.recognition_manager.play_stop_sound",
side_effect=lambda: events.append("sound"),
):
mgr.stop_recognition()
# sound must play after the audio thread has joined so the cue cannot be captured
self.assertEqual(events[:2], ["join", "sound"])
def test_stop_sound_guard_chunk_calculation(self):
mgr = _make_manager()
self.assertEqual(mgr._get_stop_sound_guard_chunks(), 3)
mgr.stop_sound_guard_ms = 0
self.assertEqual(mgr._get_stop_sound_guard_chunks(), 0)
class TestReconfigure(unittest.TestCase):
def test_reconfigure_language(self):
mgr = _make_manager()
mgr.state = RecognitionState.IDLE
with patch.object(mgr, "_init_whispercpp"):
mgr.reconfigure(language="fr")
self.assertEqual(mgr.language, "fr")
def test_reconfigure_model_size(self):
mgr = _make_manager()
mgr.state = RecognitionState.IDLE
with patch.object(mgr, "_init_whispercpp"):
mgr.reconfigure(model_size="medium")
self.assertEqual(mgr.model_size, "medium")
def test_reconfigure_engine(self):
mgr = _make_manager()
mgr.state = RecognitionState.IDLE
with patch.object(mgr, "_init_vosk"):
mgr.reconfigure(engine="vosk")
self.assertEqual(mgr.engine, "vosk")
def test_reconfigure_language_candidates(self) -> None:
mgr = _make_manager()
mgr.state = RecognitionState.IDLE
with patch.object(mgr, "_init_whispercpp"):
mgr.reconfigure(whispercpp_language_candidates="en,es")
self.assertEqual(mgr.whispercpp_language_candidates, ["en", "es"])
class TestProcessFinalBuffer(unittest.TestCase):
def test_process_final_buffer_whispercpp(self):
mgr = _make_manager(engine="whisper_cpp")
mgr.audio_buffer = [b"\x00\x00" * 512] * 5
mgr._capture_sample_rate = 16000
cb = MagicMock()
mgr.register_text_callback(cb)
mgr.command_processor = MagicMock()
mgr.command_processor.process_text.return_value = "hello"
with patch.object(mgr, "_transcribe_with_whispercpp", return_value="hello world"):
mgr._process_final_buffer()
def test_process_final_buffer_whisper(self):
mgr = _make_manager(engine="whisper")
mgr.audio_buffer = [b"\x00\x00" * 512] * 5
mgr._capture_sample_rate = 16000
mgr.command_processor = MagicMock()
mgr.command_processor.process_text.return_value = "hello"
with patch.object(mgr, "_transcribe_with_whisper", return_value="hello world"):
mgr._process_final_buffer()
def test_process_final_buffer_empty(self):
mgr = _make_manager(engine="whisper_cpp")
mgr.audio_buffer = []
mgr._process_final_buffer() # Should handle empty gracefully
class TestTranscribeWhispercpp(unittest.TestCase):
def test_normalize_language_candidates(self) -> None:
self.assertEqual(
SpeechRecognitionManager._normalize_language_candidates(" en-US, es ; fr "),
["en", "es", "fr"],
)
self.assertEqual(
SpeechRecognitionManager._normalize_language_candidates(["EN", "es", "en"]),
["en", "es"],
)
self.assertEqual(SpeechRecognitionManager._normalize_language_candidates(""), [])
self.assertEqual(SpeechRecognitionManager._normalize_language_candidates(None), [])
def test_transcribe_success(self):
mgr = _make_manager()
mgr.language = "en-us"
mock_segment = MagicMock()
mock_segment.text = "hello world"
mgr.model = MagicMock()
mgr.model.transcribe.return_value = [mock_segment]
mock_np = MagicMock()
mock_np.frombuffer.return_value = MagicMock(__len__=lambda s: 16000)
mock_np.frombuffer.return_value.astype.return_value = mock_np.frombuffer.return_value
mock_np.int16 = "int16"
mock_np.float32 = "float32"
with patch.dict("sys.modules", {"numpy": mock_np}):
result = mgr._transcribe_with_whispercpp([b"\x00\x00" * 512])
# Should return transcribed text
def test_transcribe_model_none(self):
mgr = _make_manager()
mgr.model = None
mock_np = MagicMock()
mock_np.frombuffer.return_value = MagicMock(__len__=lambda s: 16000)
mock_np.frombuffer.return_value.astype.return_value = mock_np.frombuffer.return_value
mock_np.int16 = "int16"
mock_np.float32 = "float32"
with patch.dict("sys.modules", {"numpy": mock_np}):
result = mgr._transcribe_with_whispercpp([b"\x00\x00" * 512])
self.assertEqual(result, "")
def test_transcribe_empty_buffer(self):
mgr = _make_manager()
mock_np = MagicMock()
with patch.dict("sys.modules", {"numpy": mock_np}):
result = mgr._transcribe_with_whispercpp([])
self.assertEqual(result, "")
def test_transcribe_exception(self):
mgr = _make_manager()
mgr.model = MagicMock()
mgr.model.transcribe.side_effect = RuntimeError("crash")
mock_np = MagicMock()
mock_np.frombuffer.return_value = MagicMock(__len__=lambda s: 16000)
mock_np.frombuffer.return_value.astype.return_value = mock_np.frombuffer.return_value
mock_np.int16 = "int16"
mock_np.float32 = "float32"
with patch.dict("sys.modules", {"numpy": mock_np}):
result = mgr._transcribe_with_whispercpp([b"\x00\x00" * 512])
self.assertEqual(result, "")
def test_transcribe_auto_language(self):
mgr = _make_manager()
mgr.language = "auto"
mock_segment = MagicMock()
mock_segment.text = "bonjour"
mgr.model = MagicMock()
mgr.model.transcribe.return_value = [mock_segment]
mock_np = MagicMock()
mock_np.frombuffer.return_value = MagicMock(__len__=lambda s: 16000)
mock_np.frombuffer.return_value.astype.return_value = mock_np.frombuffer.return_value
mock_np.int16 = "int16"
mock_np.float32 = "float32"
with patch.dict("sys.modules", {"numpy": mock_np}):
result = mgr._transcribe_with_whispercpp([b"\x00\x00" * 512])
self.assertEqual(result, "bonjour")
mgr.model.transcribe.assert_called_once()
self.assertIsNone(mgr.model.transcribe.call_args.kwargs["language"])
def test_transcribe_specific_language(self) -> None:
mgr = _make_manager()
mgr.language = "es"
mock_segment = MagicMock()
mock_segment.text = "hola"
mgr.model = MagicMock()
mgr.model.transcribe.return_value = [mock_segment]
mock_np = MagicMock()
mock_np.frombuffer.return_value = MagicMock(__len__=lambda s: 16000)
mock_np.frombuffer.return_value.astype.return_value = mock_np.frombuffer.return_value
mock_np.int16 = "int16"
mock_np.float32 = "float32"
with patch.dict("sys.modules", {"numpy": mock_np}):
result = mgr._transcribe_with_whispercpp([b"\x00\x00" * 512])
self.assertEqual(result, "hola")
mgr.model.transcribe.assert_called_once()
self.assertEqual(mgr.model.transcribe.call_args.kwargs["language"], "es")
def test_transcribe_candidate_languages_restricts_to_english(self) -> None:
mgr = _make_manager(whispercpp_language_candidates="en,es")
mgr.language = "auto"
mock_segment = MagicMock()
mock_segment.text = "hello"
mgr.model = MagicMock()
mgr.model.auto_detect_language.return_value = (("en", 0.8), {"en": 0.7, "es": 0.3})
mgr.model.transcribe.return_value = [mock_segment]
mock_np = MagicMock()
mock_np.frombuffer.return_value = MagicMock(__len__=lambda s: 16000)
mock_np.frombuffer.return_value.astype.return_value = mock_np.frombuffer.return_value
mock_np.int16 = "int16"
mock_np.float32 = "float32"
with patch.dict("sys.modules", {"numpy": mock_np}):
result = mgr._transcribe_with_whispercpp([b"\x00\x00" * 512])
self.assertEqual(result, "hello")
mgr.model.auto_detect_language.assert_called_once()
mgr.model.transcribe.assert_called_once()
self.assertEqual(mgr.model.transcribe.call_args.kwargs["language"], "en")
def test_transcribe_candidate_languages_restricts_to_spanish(self) -> None:
mgr = _make_manager(whispercpp_language_candidates=["en", "es", "fr"])
mgr.language = "auto"
mock_segment = MagicMock()
mock_segment.text = "hola"
mgr.model = MagicMock()
mgr.model.auto_detect_language.return_value = (
("de", 0.6),
{"en": 0.2, "es": 0.5, "fr": 0.1},
)
mgr.model.transcribe.return_value = [mock_segment]
mock_np = MagicMock()
mock_np.frombuffer.return_value = MagicMock(__len__=lambda s: 16000)
mock_np.frombuffer.return_value.astype.return_value = mock_np.frombuffer.return_value
mock_np.int16 = "int16"
mock_np.float32 = "float32"
with patch.dict("sys.modules", {"numpy": mock_np}):
result = mgr._transcribe_with_whispercpp([b"\x00\x00" * 512])
self.assertEqual(result, "hola")
mgr.model.auto_detect_language.assert_called_once()
mgr.model.transcribe.assert_called_once()
self.assertEqual(mgr.model.transcribe.call_args.kwargs["language"], "es")
class TestTranscribeWhisper(unittest.TestCase):
def test_transcribe_success(self):
mgr = _make_manager(engine="whisper")
mgr.language = "en-us"
mgr.model = MagicMock()
mgr.model.transcribe.return_value = {"text": "hello world"}
mgr.model.device = MagicMock()
mock_np = MagicMock()
mock_np.frombuffer.return_value = MagicMock(__len__=lambda s: 16000)
mock_np.frombuffer.return_value.astype.return_value = mock_np.frombuffer.return_value
mock_np.int16 = "int16"
mock_np.float32 = "float32"
mock_torch = MagicMock()
with patch.dict("sys.modules", {"numpy": mock_np, "torch": mock_torch}):
result = mgr._transcribe_with_whisper([b"\x00\x00" * 512])
def test_transcribe_empty(self):
mgr = _make_manager(engine="whisper")
mock_np = MagicMock()
with patch.dict("sys.modules", {"numpy": mock_np}):
result = mgr._transcribe_with_whisper([])
self.assertEqual(result, "")
def test_transcribe_model_none(self):
mgr = _make_manager(engine="whisper")
mgr.model = None
mock_np = MagicMock()
mock_np.frombuffer.return_value = MagicMock(__len__=lambda s: 16000)
mock_np.frombuffer.return_value.astype.return_value = mock_np.frombuffer.return_value
mock_np.int16 = "int16"
mock_np.float32 = "float32"
with patch.dict("sys.modules", {"numpy": mock_np, "torch": MagicMock()}):
result = mgr._transcribe_with_whisper([b"\x00\x00" * 512])
self.assertEqual(result, "")
class TestTranscribeParakeet(unittest.TestCase):
def test_transcribe_create_stream_exception(self):
mgr = _make_manager()
mgr.model = MagicMock()
mgr.model.create_stream.side_effect = RuntimeError("decode boom")
mock_np = MagicMock()
mock_np.frombuffer.return_value = MagicMock()
mock_np.frombuffer.return_value.astype.return_value = MagicMock()
with patch.dict("sys.modules", {"numpy": mock_np}):
result = mgr._transcribe_with_parakeet([b"\x00\x00" * 512])
self.assertEqual(result, "")
mgr.model.create_stream.assert_called_once()
class TestInitVosk(unittest.TestCase):
def test_init_vosk_model_exists(self):
mgr = _make_manager(engine="vosk")
with patch("os.path.exists", return_value=True):
with patch("os.path.isdir", return_value=True):
mock_vosk = MagicMock()
mock_model = MagicMock()
mock_recognizer = MagicMock()
mock_vosk.Model.return_value = mock_model
mock_vosk.KaldiRecognizer.return_value = mock_recognizer
with patch.dict("sys.modules", {"vosk": mock_vosk}):
mgr._init_vosk()
self.assertTrue(mgr._model_initialized)
self.assertEqual(mgr.model, mock_model)
self.assertEqual(mgr.recognizer, mock_recognizer)
def test_init_vosk_no_model(self):
mgr = _make_manager(engine="vosk")
mock_vosk = MagicMock()
with patch("os.path.exists", return_value=False):
with patch.dict("sys.modules", {"vosk": mock_vosk}):
mgr._init_vosk()
# When model doesn't exist and defer_download is True, should not initialize
self.assertFalse(mgr._model_initialized)
class TestInitWhisper(unittest.TestCase):
def test_init_whisper(self):
mgr = _make_manager(engine="whisper")
mock_model = MagicMock()
mock_whisper = MagicMock()
mock_whisper.load_model.return_value = mock_model
mock_torch = MagicMock()
mock_torch.cuda.is_available.return_value = False
with patch.dict("sys.modules", {"whisper": mock_whisper, "torch": mock_torch}):
with patch("os.path.exists", return_value=True):
mgr._init_whisper()
self.assertTrue(mgr._model_initialized)
self.assertEqual(mgr.model, mock_model)
class TestInitWhispercpp(unittest.TestCase):
def test_init_whispercpp_vulkan_fallback(self):
mgr = _make_manager(engine="whisper_cpp")
with patch("os.path.exists", return_value=True):
mock_pywhispercpp = MagicMock()
call_count = [0]
def model_side_effect(*a, **kw):
call_count[0] += 1
if call_count[0] == 1:
raise RuntimeError("16-bit storage not supported")
return MagicMock()
mock_pywhispercpp.Model.side_effect = model_side_effect
with patch.dict(
"sys.modules",
{
"pywhispercpp": MagicMock(),
"pywhispercpp.model": mock_pywhispercpp,
},
):
with patch.object(
SpeechRecognitionManager,
"_whispercpp_model_is_verified",
return_value=True,
):
try:
mgr._init_whispercpp()
except Exception:
pass
def test_cpu_fallback_filters_unsupported_whispercpp_params(self):
mgr = _make_manager(engine="whisper_cpp")
model = MagicMock()
mock_pywhispercpp = MagicMock()
mock_pywhispercpp.Model.return_value = model
with patch.dict(
"sys.modules",
{
"pywhispercpp": MagicMock(),
"pywhispercpp.model": mock_pywhispercpp,
},
):
with patch.object(mgr, "_get_supported_whispercpp_params", return_value={"n_threads"}):
loaded_backend = mgr._handle_gpu_fallback(
RuntimeError("16-bit storage not supported"),
"/tmp/model.bin",
{"n_threads": 4, "no_context": True},
"cpu",
)
self.assertEqual(loaded_backend, "cpu")
self.assertIs(mgr.model, model)
self.assertEqual(mock_pywhispercpp.Model.call_count, 1)
self.assertEqual(
mock_pywhispercpp.Model.call_args.kwargs,
{"n_threads": 4},
)
class TestDownloadVoskModel(unittest.TestCase):
pass
class TestBufferManagement(unittest.TestCase):
def test_set_buffer_limit(self):
mgr = _make_manager()
mgr.set_buffer_limit(100)
self.assertEqual(mgr._max_buffer_size, 100)
def test_get_buffer_stats(self):
mgr = _make_manager()
stats = mgr.get_buffer_stats()
self.assertIsInstance(stats, dict)
class TestWhispercppModelKwargs(unittest.TestCase):
def test_default_model_kwargs(self):
mgr = _make_manager(engine="whisper_cpp")
kwargs = mgr._build_whispercpp_model_kwargs(n_threads=4)
self.assertTrue(kwargs.get("no_timestamps"))
self.assertTrue(kwargs.get("no_context"))
self.assertNotIn("initial_prompt", kwargs)
self.assertEqual(kwargs.get("temperature"), 0.0)
self.assertEqual(kwargs.get("n_threads"), 4)
def test_model_kwargs_all_switches_off(self):
mgr = _make_manager(
engine="whisper_cpp",
whispercpp_no_timestamps=False,
whispercpp_no_context=False,
)
kwargs = mgr._build_whispercpp_model_kwargs(n_threads=4)
self.assertNotIn("no_timestamps", kwargs)
self.assertNotIn("no_context", kwargs)
def test_model_kwargs_with_initial_prompt(self):
mgr = _make_manager(
engine="whisper_cpp",
whispercpp_initial_prompt="test prompt",
)
kwargs = mgr._build_whispercpp_model_kwargs(n_threads=4)
self.assertEqual(kwargs.get("initial_prompt"), "test prompt")
def test_model_kwargs_custom_numerics(self):
mgr = _make_manager(
engine="whisper_cpp",
whispercpp_temperature=0.7,
whispercpp_temperature_inc=0.2,
whispercpp_entropy_thold=3.0,
whispercpp_logprob_thold=-2.5,
whispercpp_no_speech_thold=0.8,
)
kwargs = mgr._build_whispercpp_model_kwargs(n_threads=8)
self.assertEqual(kwargs.get("temperature"), 0.7)
self.assertEqual(kwargs.get("temperature_inc"), 0.2)
self.assertEqual(kwargs.get("entropy_thold"), 3.0)
self.assertEqual(kwargs.get("logprob_thold"), -2.5)
self.assertEqual(kwargs.get("no_speech_thold"), 0.8)
self.assertEqual(kwargs.get("n_threads"), 8)
def test_model_kwargs_filter_unsupported_native_params(self):
mgr = _make_manager(engine="whisper_cpp")
kwargs = mgr._build_whispercpp_model_kwargs(n_threads=4)
filtered = mgr._filter_whispercpp_model_kwargs(
kwargs,
supported_params={
"n_threads",
"suppress_blank",
"no_speech_thold",
"entropy_thold",
"logprob_thold",
"temperature",
"temperature_inc",
"no_context",
"initial_prompt",
},
)
self.assertNotIn("no_timestamps", filtered)
self.assertEqual(filtered["n_threads"], 4)
self.assertTrue(filtered["no_context"])
def test_reconfigure_whispercpp_params(self):
mgr = _make_manager(engine="whisper_cpp")
original_temp_inc = mgr.whispercpp_temperature_inc
with patch.object(SpeechRecognitionManager, "_init_whispercpp"):
mgr.reconfigure(
whispercpp_temperature=0.5,
whispercpp_no_timestamps=False,
whispercpp_initial_prompt="hello",
)
self.assertEqual(mgr.whispercpp_temperature, 0.5)
self.assertFalse(mgr.whispercpp_no_timestamps)
self.assertEqual(mgr.whispercpp_initial_prompt, "hello")
self.assertEqual(mgr.whispercpp_temperature_inc, original_temp_inc)
class TestVoiceCommandsProperty(unittest.TestCase):
def test_voice_commands_vosk_default(self):
mgr = _make_manager(engine="vosk")
# For vosk engine, voice commands should be enabled by default
self.assertTrue(mgr._resolve_voice_commands_enabled())
def test_voice_commands_whisper_default(self):
mgr = _make_manager(engine="whisper")
self.assertFalse(mgr._resolve_voice_commands_enabled())
def test_voice_commands_explicit_on(self):
mgr = _make_manager(engine="whisper", voice_commands_enabled=True)
self.assertTrue(mgr._resolve_voice_commands_enabled())
def test_voice_commands_explicit_off(self):
mgr = _make_manager(engine="vosk", voice_commands_enabled=False)
self.assertFalse(mgr._resolve_voice_commands_enabled())
if __name__ == "__main__":
unittest.main()