[CI/Build] [3/3] Reorganize entrypoints tests (#5966)
This commit is contained in:
Cyrus Leung
278
tests/entrypoints/openai/test_vision.py
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278
tests/entrypoints/openai/test_vision.py
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from typing import Dict, List
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import openai
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import pytest
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import pytest_asyncio
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import ray
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from vllm.multimodal.utils import ImageFetchAiohttp, encode_image_base64
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from ...utils import VLLM_PATH, RemoteOpenAIServer
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MODEL_NAME = "llava-hf/llava-1.5-7b-hf"
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LLAVA_CHAT_TEMPLATE = VLLM_PATH / "examples/template_llava.jinja"
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assert LLAVA_CHAT_TEMPLATE.exists()
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# Test different image extensions (JPG/PNG) and formats (gray/RGB/RGBA)
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TEST_IMAGE_URLS = [
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"https://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Gfp-wisconsin-madison-the-nature-boardwalk.jpg/2560px-Gfp-wisconsin-madison-the-nature-boardwalk.jpg",
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"https://upload.wikimedia.org/wikipedia/commons/f/fa/Grayscale_8bits_palette_sample_image.png",
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"https://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Venn_diagram_rgb.svg/1280px-Venn_diagram_rgb.svg.png",
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"https://upload.wikimedia.org/wikipedia/commons/0/0b/RGBA_comp.png",
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]
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@pytest.fixture(scope="module")
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def ray_ctx():
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ray.init()
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yield
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ray.shutdown()
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@pytest.fixture(scope="module")
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def server():
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return RemoteOpenAIServer([
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"--model",
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MODEL_NAME,
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"--dtype",
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"bfloat16",
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"--max-model-len",
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"4096",
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"--enforce-eager",
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"--image-input-type",
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"pixel_values",
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"--image-token-id",
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"32000",
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"--image-input-shape",
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"1,3,336,336",
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"--image-feature-size",
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"576",
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"--chat-template",
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str(LLAVA_CHAT_TEMPLATE),
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])
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@pytest.fixture(scope="module")
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def client(server):
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return server.get_async_client()
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@pytest_asyncio.fixture(scope="session")
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async def base64_encoded_image() -> Dict[str, str]:
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return {
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image_url:
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encode_image_base64(await ImageFetchAiohttp.fetch_image(image_url))
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for image_url in TEST_IMAGE_URLS
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}
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@pytest.mark.asyncio
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@pytest.mark.parametrize("model_name", [MODEL_NAME])
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@pytest.mark.parametrize("image_url", TEST_IMAGE_URLS)
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async def test_single_chat_session_image(client: openai.AsyncOpenAI,
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model_name: str, image_url: str):
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messages = [{
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"role":
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"user",
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"content": [
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{
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"type": "image_url",
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"image_url": {
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"url": image_url
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}
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},
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{
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"type": "text",
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"text": "What's in this image?"
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},
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],
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}]
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# test single completion
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chat_completion = await client.chat.completions.create(model=model_name,
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messages=messages,
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max_tokens=10,
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logprobs=True,
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top_logprobs=5)
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assert len(chat_completion.choices) == 1
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choice = chat_completion.choices[0]
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assert choice.finish_reason == "length"
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assert chat_completion.usage == openai.types.CompletionUsage(
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completion_tokens=10, prompt_tokens=596, total_tokens=606)
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message = choice.message
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message = chat_completion.choices[0].message
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assert message.content is not None and len(message.content) >= 10
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assert message.role == "assistant"
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messages.append({"role": "assistant", "content": message.content})
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# test multi-turn dialogue
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messages.append({"role": "user", "content": "express your result in json"})
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chat_completion = await client.chat.completions.create(
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model=model_name,
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messages=messages,
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max_tokens=10,
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)
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message = chat_completion.choices[0].message
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assert message.content is not None and len(message.content) >= 0
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@pytest.mark.asyncio
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@pytest.mark.parametrize("model_name", [MODEL_NAME])
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@pytest.mark.parametrize("image_url", TEST_IMAGE_URLS)
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async def test_single_chat_session_image_base64encoded(
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client: openai.AsyncOpenAI, model_name: str, image_url: str,
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base64_encoded_image: Dict[str, str]):
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messages = [{
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"role":
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"user",
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"content": [
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{
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"type": "image_url",
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"image_url": {
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"url":
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f"data:image/jpeg;base64,{base64_encoded_image[image_url]}"
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}
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},
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{
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"type": "text",
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"text": "What's in this image?"
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},
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],
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}]
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# test single completion
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chat_completion = await client.chat.completions.create(model=model_name,
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messages=messages,
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max_tokens=10,
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logprobs=True,
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top_logprobs=5)
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assert len(chat_completion.choices) == 1
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choice = chat_completion.choices[0]
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assert choice.finish_reason == "length"
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assert chat_completion.usage == openai.types.CompletionUsage(
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completion_tokens=10, prompt_tokens=596, total_tokens=606)
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message = choice.message
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message = chat_completion.choices[0].message
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assert message.content is not None and len(message.content) >= 10
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assert message.role == "assistant"
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messages.append({"role": "assistant", "content": message.content})
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# test multi-turn dialogue
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messages.append({"role": "user", "content": "express your result in json"})
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chat_completion = await client.chat.completions.create(
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model=model_name,
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messages=messages,
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max_tokens=10,
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)
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message = chat_completion.choices[0].message
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assert message.content is not None and len(message.content) >= 0
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@pytest.mark.asyncio
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@pytest.mark.parametrize("model_name", [MODEL_NAME])
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@pytest.mark.parametrize("image_url", TEST_IMAGE_URLS)
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async def test_chat_streaming_image(client: openai.AsyncOpenAI,
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model_name: str, image_url: str):
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messages = [{
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"role":
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"user",
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"content": [
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{
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"type": "image_url",
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"image_url": {
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"url": image_url
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}
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},
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{
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"type": "text",
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"text": "What's in this image?"
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},
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],
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}]
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# test single completion
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chat_completion = await client.chat.completions.create(
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model=model_name,
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messages=messages,
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max_tokens=10,
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temperature=0.0,
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)
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output = chat_completion.choices[0].message.content
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stop_reason = chat_completion.choices[0].finish_reason
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# test streaming
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stream = await client.chat.completions.create(
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model=model_name,
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messages=messages,
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max_tokens=10,
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temperature=0.0,
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stream=True,
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)
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chunks: List[str] = []
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finish_reason_count = 0
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async for chunk in stream:
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delta = chunk.choices[0].delta
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if delta.role:
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assert delta.role == "assistant"
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if delta.content:
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chunks.append(delta.content)
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if chunk.choices[0].finish_reason is not None:
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finish_reason_count += 1
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# finish reason should only return in last block
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assert finish_reason_count == 1
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assert chunk.choices[0].finish_reason == stop_reason
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assert delta.content
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assert "".join(chunks) == output
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@pytest.mark.asyncio
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@pytest.mark.parametrize("model_name", [MODEL_NAME])
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@pytest.mark.parametrize("image_url", TEST_IMAGE_URLS)
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async def test_multi_image_input(client: openai.AsyncOpenAI, model_name: str,
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image_url: str):
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messages = [{
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"role":
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"user",
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"content": [
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{
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"type": "image_url",
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"image_url": {
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"url": image_url
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}
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},
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{
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"type": "image_url",
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"image_url": {
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"url": image_url
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}
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},
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{
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"type": "text",
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"text": "What's in this image?"
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},
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],
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}]
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with pytest.raises(openai.BadRequestError): # test multi-image input
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await client.chat.completions.create(
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model=model_name,
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messages=messages,
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max_tokens=10,
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temperature=0.0,
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)
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# the server should still work afterwards
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completion = await client.completions.create(
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model=model_name,
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prompt=[0, 0, 0, 0, 0],
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max_tokens=5,
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temperature=0.0,
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)
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completion = completion.choices[0].text
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assert completion is not None and len(completion) >= 0
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