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vllm-omni/tests/e2e/online_serving/test_sdxl.py
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2026-06-16 22:51:11 +08:00

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Python

"""
Tests for Stable Diffusion XL Base 1.0 model.
Validates single-GPU text-to-image generation with CFG (guidance_scale > 1).
"""
import pytest
from tests.helpers.mark import hardware_marks
from tests.helpers.runtime import (
OmniServer,
OmniServerParams,
OpenAIClientHandler,
dummy_messages_from_mix_data,
)
SINGLE_CARD_FEATURE_MARKS = hardware_marks(res={"cuda": "L4"})
POSITIVE_PROMPT = "A serene mountain landscape at sunset, photorealistic"
NEGATIVE_PROMPT = "blurry, low quality, distorted"
def _get_diffusion_feature_cases(model: str):
return [
pytest.param(
OmniServerParams(
model=model,
),
id="default",
marks=SINGLE_CARD_FEATURE_MARKS,
),
]
@pytest.mark.advanced_model
@pytest.mark.core_model
@pytest.mark.diffusion
@pytest.mark.parametrize(
"omni_server",
_get_diffusion_feature_cases(
model="stabilityai/stable-diffusion-xl-base-1.0",
),
indirect=True,
)
def test_text_to_image_001(omni_server: OmniServer, openai_client: OpenAIClientHandler):
messages = dummy_messages_from_mix_data(content_text=POSITIVE_PROMPT)
request_config = {
"model": omni_server.model,
"messages": messages,
"extra_body": {
"height": 1024,
"width": 1024,
"num_inference_steps": 30,
"negative_prompt": NEGATIVE_PROMPT,
"guidance_scale": 7.5,
"seed": 42,
},
}
openai_client.send_diffusion_request(request_config)