Files
sglang/test/srt/test_json_constrained.py
2024-09-15 06:36:06 -07:00

95 lines
2.9 KiB
Python

import json
import unittest
import openai
import requests
from sglang.srt.utils import kill_child_process
from sglang.test.test_utils import (
DEFAULT_MODEL_NAME_FOR_TEST,
DEFAULT_URL_FOR_TEST,
popen_launch_server,
)
class TestJSONConstrained(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.model = DEFAULT_MODEL_NAME_FOR_TEST
cls.base_url = DEFAULT_URL_FOR_TEST
cls.json_schema = json.dumps(
{
"type": "object",
"properties": {
"name": {"type": "string", "pattern": "^[\\w]+$"},
"population": {"type": "integer"},
},
"required": ["name", "population"],
}
)
cls.process = popen_launch_server(cls.model, cls.base_url, timeout=300)
@classmethod
def tearDownClass(cls):
kill_child_process(cls.process.pid)
def run_decode(self, return_logprob=False, top_logprobs_num=0, n=1):
response = requests.post(
self.base_url + "/generate",
json={
"text": "The capital of France is",
"sampling_params": {
"temperature": 0 if n == 1 else 0.5,
"max_new_tokens": 128,
"n": n,
"stop_token_ids": [119690],
"json_schema": self.json_schema,
},
"stream": False,
"return_logprob": return_logprob,
"top_logprobs_num": top_logprobs_num,
"logprob_start_len": 0,
},
)
print(json.dumps(response.json()))
print("=" * 100)
try:
js_obj = json.loads(response.json()["text"])
except (TypeError, json.decoder.JSONDecodeError):
raise
assert isinstance(js_obj["name"], str)
assert isinstance(js_obj["population"], int)
def test_json_generate(self):
self.run_decode()
def test_json_openai(self):
client = openai.Client(api_key="EMPTY", base_url=f"{self.base_url}/v1")
response = client.chat.completions.create(
model=self.model,
messages=[
{"role": "system", "content": "You are a helpful AI assistant"},
{"role": "user", "content": "Introduce the capital of France."},
],
temperature=0,
max_tokens=128,
response_format={
"type": "json_schema",
"json_schema": {"name": "foo", "schema": json.loads(self.json_schema)},
},
)
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["name"], str)
assert isinstance(js_obj["population"], int)
if __name__ == "__main__":
unittest.main()