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21 lines
670 B
Python
21 lines
670 B
Python
import struct
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from speech import pcm16_wav, read_pcm16_wav, sha256_bytes
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def test_pcm_wav_round_trip_is_exact():
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pcm = b"".join(struct.pack("<h", sample) for sample in (0, 100, -100, 32767, -32768))
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wav = pcm16_wav(pcm, 16_000)
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decoded, rate = read_pcm16_wav(wav)
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assert decoded == pcm
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assert rate == 16_000
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assert len(sha256_bytes(wav)) == 64
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def test_speech_source_has_no_mock_or_tone_fallback():
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source = __import__("pathlib").Path(__file__).with_name("speech.py").read_text()
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assert "SystemSpeechSynthesizer" in source
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assert "WhisperASR" in source
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assert 'fallback_used": False' in source
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assert "440" not in source
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