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vllm-omni/tests/engine/duplex/test_duplex_audio.py
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chickeytonandClaude Opus 5 99ff4f3070 [Core][Frontend] Unified Full-duplex Framework (#7413)
Signed-off-by: chickeyton <ngton2014@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-16 15:35:36 +08:00

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1.7 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM-Omni project
import base64
import numpy as np
import pytest
from vllm_omni.engine.duplex.audio import convert_input_audio_with_rate
pytestmark = [pytest.mark.core_model, pytest.mark.cpu]
def test_pcm16_input_conversion_is_pure_and_reports_target_rate():
pcm16 = np.array([-32768, 0, 32767], dtype="<i2").tobytes()
encoded = base64.b64encode(pcm16).decode("ascii")
converted, fmt, sample_rate = convert_input_audio_with_rate(
encoded,
"pcm16",
sample_rate_hz=16_000,
)
assert encoded == base64.b64encode(pcm16).decode("ascii")
assert fmt == "pcm_f32le"
assert sample_rate == 16_000
samples = np.frombuffer(base64.b64decode(converted), dtype="<f4")
assert np.allclose(samples, [-1.0, 0.0, 32767 / 32768])
@pytest.mark.parametrize("sample_rate_hz", [8_000, 192_000])
def test_pcm16_input_conversion_accepts_supported_sample_rate_boundaries(sample_rate_hz: int):
encoded = base64.b64encode(np.zeros(8, dtype="<i2").tobytes()).decode("ascii")
_, fmt, converted_rate = convert_input_audio_with_rate(
encoded,
"pcm16",
sample_rate_hz=sample_rate_hz,
)
assert fmt == "pcm_f32le"
assert converted_rate == 16_000
@pytest.mark.parametrize("sample_rate_hz", [7_999, 192_001, 10**1000])
def test_pcm16_input_conversion_rejects_sample_rates_outside_supported_range(sample_rate_hz: int):
encoded = base64.b64encode(np.zeros(8, dtype="<i2").tobytes()).decode("ascii")
with pytest.raises(ValueError, match="sample_rate_hz"):
convert_input_audio_with_rate(
encoded,
"pcm16",
sample_rate_hz=sample_rate_hz,
)