init commit

tests/test_audio.py

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+import os.path
+
+import numpy as np
+
+from whisper.audio import load_audio, log_mel_spectrogram, SAMPLE_RATE
+
+
+def test_audio():
+    audio_path = os.path.join(os.path.dirname(__file__), "jfk.flac")
+    audio = load_audio(audio_path)
+    assert audio.ndim == 1
+    assert SAMPLE_RATE * 10 < audio.shape[0] < SAMPLE_RATE * 12
+    assert 0 < audio.std() < 1
+
+    mel_from_audio = log_mel_spectrogram(audio)
+    mel_from_file = log_mel_spectrogram(audio_path)
+
+    assert np.allclose(mel_from_audio, mel_from_file)
+    assert mel_from_audio.max() - mel_from_audio.min() <= 2.0