Files
sglang/test/srt/test_vision_openai_server.py
2024-08-13 18:43:23 +10:00

116 lines
3.6 KiB
Python

import json
import unittest
import openai
from sglang.srt.hf_transformers_utils import get_tokenizer
from sglang.srt.utils import kill_child_process
from sglang.test.test_utils import DEFAULT_URL_FOR_UNIT_TEST, popen_launch_server
class TestOpenAIVisionServer(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.model = "liuhaotian/llava-v1.6-vicuna-7b"
cls.base_url = DEFAULT_URL_FOR_UNIT_TEST
cls.api_key = "sk-123456"
cls.process = popen_launch_server(
cls.model,
cls.base_url,
timeout=300,
api_key=cls.api_key,
other_args=[
"--chat-template",
"vicuna_v1.1",
"--tokenizer-path",
"llava-hf/llava-1.5-7b-hf",
"--log-requests",
],
)
cls.base_url += "/v1"
@classmethod
def tearDownClass(cls):
kill_child_process(cls.process.pid)
def test_chat_completion(self):
client = openai.Client(api_key=self.api_key, base_url=self.base_url)
response = client.chat.completions.create(
model="default",
messages=[
{
"role": "user",
"content": [
{
"type": "image_url",
"image_url": {
"url": "https://github.com/sgl-project/sglang/blob/main/test/lang/example_image.png?raw=true"
},
},
{
"type": "text",
"text": "Describe this image in a very short sentence.",
},
],
},
],
temperature=0,
)
assert response.choices[0].message.role == "assistant"
text = response.choices[0].message.content
assert isinstance(text, str)
assert "car" in text or "taxi" in text, text
assert response.id
assert response.created
assert response.usage.prompt_tokens > 0
assert response.usage.completion_tokens > 0
assert response.usage.total_tokens > 0
def test_regex(self):
client = openai.Client(api_key=self.api_key, base_url=self.base_url)
regex = (
r"""\{\n"""
+ r""" "color": "[\w]+",\n"""
+ r""" "number_of_cars": [\d]+\n"""
+ r"""\}"""
)
response = client.chat.completions.create(
model="default",
messages=[
{
"role": "user",
"content": [
{
"type": "image_url",
"image_url": {
"url": "https://github.com/sgl-project/sglang/blob/main/test/lang/example_image.png?raw=true"
},
},
{
"type": "text",
"text": "Describe this image in the JSON format.",
},
],
},
],
temperature=0,
extra_body={"regex": regex},
)
text = response.choices[0].message.content
try:
js_obj = json.loads(text)
except (TypeError, json.decoder.JSONDecodeError):
print("JSONDecodeError", text)
raise
assert isinstance(js_obj["color"], str)
assert isinstance(js_obj["number_of_cars"], int)
if __name__ == "__main__":
unittest.main()