Files
whisper-local/tests/test_transcriber.py
T
2026-04-06 20:26:53 +02:00

58 lines
2.1 KiB
Python

from unittest.mock import MagicMock, patch
import numpy as np
import pytest
from whisper_local.transcriber import Transcriber
class TestTranscriber:
@patch("whisper_local.transcriber.WhisperModel")
def test_init_loads_model(self, mock_model_class):
t = Transcriber(model_name="small", compute_type="int8", language="de")
mock_model_class.assert_called_once_with("small", compute_type="int8")
assert t.language == "de"
@patch("whisper_local.transcriber.WhisperModel")
def test_transcribe_returns_text(self, mock_model_class):
mock_model = MagicMock()
mock_segment = MagicMock()
mock_segment.text = " Hallo Welt "
mock_model.transcribe.return_value = ([mock_segment], None)
mock_model_class.return_value = mock_model
t = Transcriber(model_name="small", compute_type="int8", language="de")
audio = np.zeros(16000, dtype=np.float32)
result = t.transcribe(audio)
assert result == "Hallo Welt"
mock_model.transcribe.assert_called_once_with(audio, language="de")
@patch("whisper_local.transcriber.WhisperModel")
def test_transcribe_empty_segments(self, mock_model_class):
mock_model = MagicMock()
mock_model.transcribe.return_value = ([], None)
mock_model_class.return_value = mock_model
t = Transcriber(model_name="small", compute_type="int8", language="de")
audio = np.zeros(16000, dtype=np.float32)
result = t.transcribe(audio)
assert result == ""
@patch("whisper_local.transcriber.WhisperModel")
def test_transcribe_multiple_segments(self, mock_model_class):
mock_model = MagicMock()
seg1 = MagicMock()
seg1.text = " Hallo "
seg2 = MagicMock()
seg2.text = " Welt "
mock_model.transcribe.return_value = ([seg1, seg2], None)
mock_model_class.return_value = mock_model
t = Transcriber(model_name="small", compute_type="int8", language="de")
audio = np.zeros(16000, dtype=np.float32)
result = t.transcribe(audio)
assert result == "Hallo Welt"