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