mirror of
https://github.com/remsky/Kokoro-FastAPI.git
synced 2025-04-13 09:39:17 +00:00
131 lines
4.4 KiB
Python
131 lines
4.4 KiB
Python
"""Tests for AudioService"""
|
|
|
|
from unittest.mock import patch
|
|
|
|
import numpy as np
|
|
import pytest
|
|
|
|
from api.src.services.audio import AudioService, AudioNormalizer
|
|
|
|
|
|
@pytest.fixture(autouse=True)
|
|
def mock_settings():
|
|
"""Mock settings for all tests"""
|
|
with patch("api.src.services.audio.settings") as mock_settings:
|
|
mock_settings.gap_trim_ms = 250
|
|
yield mock_settings
|
|
|
|
|
|
@pytest.fixture
|
|
def sample_audio():
|
|
"""Generate a simple sine wave for testing"""
|
|
sample_rate = 24000
|
|
duration = 0.1 # 100ms
|
|
t = np.linspace(0, duration, int(sample_rate * duration))
|
|
frequency = 440 # A4 note
|
|
return np.sin(2 * np.pi * frequency * t).astype(np.float32), sample_rate
|
|
|
|
|
|
def test_convert_to_wav(sample_audio):
|
|
"""Test converting to WAV format"""
|
|
audio_data, sample_rate = sample_audio
|
|
result = AudioService.convert_audio(audio_data, sample_rate, "wav")
|
|
assert isinstance(result, bytes)
|
|
assert len(result) > 0
|
|
|
|
|
|
def test_convert_to_mp3(sample_audio):
|
|
"""Test converting to MP3 format"""
|
|
audio_data, sample_rate = sample_audio
|
|
result = AudioService.convert_audio(audio_data, sample_rate, "mp3")
|
|
assert isinstance(result, bytes)
|
|
assert len(result) > 0
|
|
|
|
|
|
def test_convert_to_opus(sample_audio):
|
|
"""Test converting to Opus format"""
|
|
audio_data, sample_rate = sample_audio
|
|
result = AudioService.convert_audio(audio_data, sample_rate, "opus")
|
|
assert isinstance(result, bytes)
|
|
assert len(result) > 0
|
|
|
|
|
|
def test_convert_to_flac(sample_audio):
|
|
"""Test converting to FLAC format"""
|
|
audio_data, sample_rate = sample_audio
|
|
result = AudioService.convert_audio(audio_data, sample_rate, "flac")
|
|
assert isinstance(result, bytes)
|
|
assert len(result) > 0
|
|
|
|
|
|
def test_convert_to_aac_raises_error(sample_audio):
|
|
"""Test that converting to AAC raises an error"""
|
|
audio_data, sample_rate = sample_audio
|
|
with pytest.raises(
|
|
ValueError,
|
|
match="Failed to convert audio to aac: Format aac not currently supported. Supported formats are: wav, mp3, opus, flac, pcm.",
|
|
):
|
|
AudioService.convert_audio(audio_data, sample_rate, "aac")
|
|
|
|
|
|
def test_convert_to_pcm(sample_audio):
|
|
"""Test converting to PCM format"""
|
|
audio_data, sample_rate = sample_audio
|
|
result = AudioService.convert_audio(audio_data, sample_rate, "pcm")
|
|
assert isinstance(result, bytes)
|
|
assert len(result) > 0
|
|
|
|
|
|
def test_convert_to_invalid_format_raises_error(sample_audio):
|
|
"""Test that converting to an invalid format raises an error"""
|
|
audio_data, sample_rate = sample_audio
|
|
with pytest.raises(ValueError, match="Format invalid not supported"):
|
|
AudioService.convert_audio(audio_data, sample_rate, "invalid")
|
|
|
|
|
|
def test_normalization_wav(sample_audio):
|
|
"""Test that WAV output is properly normalized to int16 range"""
|
|
audio_data, sample_rate = sample_audio
|
|
# Create audio data outside int16 range
|
|
large_audio = audio_data * 1e5
|
|
result = AudioService.convert_audio(large_audio, sample_rate, "wav")
|
|
assert isinstance(result, bytes)
|
|
assert len(result) > 0
|
|
|
|
|
|
def test_normalization_pcm(sample_audio):
|
|
"""Test that PCM output is properly normalized to int16 range"""
|
|
audio_data, sample_rate = sample_audio
|
|
# Create audio data outside int16 range
|
|
large_audio = audio_data * 1e5
|
|
result = AudioService.convert_audio(large_audio, sample_rate, "pcm")
|
|
assert isinstance(result, bytes)
|
|
assert len(result) > 0
|
|
|
|
|
|
def test_invalid_audio_data():
|
|
"""Test handling of invalid audio data"""
|
|
invalid_audio = np.array([]) # Empty array
|
|
sample_rate = 24000
|
|
with pytest.raises(ValueError):
|
|
AudioService.convert_audio(invalid_audio, sample_rate, "wav")
|
|
|
|
|
|
def test_different_sample_rates(sample_audio):
|
|
"""Test converting audio with different sample rates"""
|
|
audio_data, _ = sample_audio
|
|
sample_rates = [8000, 16000, 44100, 48000]
|
|
|
|
for rate in sample_rates:
|
|
result = AudioService.convert_audio(audio_data, rate, "wav")
|
|
assert isinstance(result, bytes)
|
|
assert len(result) > 0
|
|
|
|
|
|
def test_buffer_position_after_conversion(sample_audio):
|
|
"""Test that buffer position is reset after writing"""
|
|
audio_data, sample_rate = sample_audio
|
|
result = AudioService.convert_audio(audio_data, sample_rate, "wav")
|
|
# Convert again to ensure buffer was properly reset
|
|
result2 = AudioService.convert_audio(audio_data, sample_rate, "wav")
|
|
assert len(result) == len(result2)
|