Files
sglang/test/srt/test_thinking_budget.py
2025-05-09 08:22:09 -07:00

96 lines
3.3 KiB
Python

"""
Usage:
python3 -m unittest test_thinking_budget.TestThinkingBudget.test_chat_completion_with_thinking_budget_20
python3 -m unittest test_thinking_budget.TestThinkingBudget.test_chat_completion_with_thinking_budget_200
"""
import unittest
import requests
from transformers import AutoTokenizer
from sglang.srt.utils import kill_process_tree
from sglang.test.test_utils import (
DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
DEFAULT_URL_FOR_TEST,
CustomTestCase,
popen_launch_server,
)
class TestThinkingBudget(CustomTestCase):
@classmethod
def setUpClass(cls):
cls.model = "Qwen/Qwen3-8B"
cls.tokenizer = AutoTokenizer.from_pretrained(cls.model)
cls.base_url = DEFAULT_URL_FOR_TEST
cls.api_key = "sk-1234"
cls.process = popen_launch_server(
cls.model,
cls.base_url,
timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
api_key=cls.api_key,
other_args=[
"--reasoning-parser",
"qwen3",
],
)
@classmethod
def tearDownClass(cls):
kill_process_tree(cls.process.pid)
def test_chat_completion_with_thinking_budget_20(self):
response = requests.post(
f"{self.base_url}/v1/chat/completions",
headers={"Authorization": f"Bearer {self.api_key}"},
json={
"model": self.model,
"messages": [
{"role": "user", "content": "9.11 and 9.8, which is greater?"}
],
"temperature": 0,
"separate_reasoning": True,
"chat_template_kwargs": {"enable_thinking": True},
"thinking_budget": 20,
},
)
self.assertEqual(response.status_code, 200, f"Failed with: {response.text}")
data = response.json()
reasoning_content = data["choices"][0]["message"]["reasoning_content"]
tokens = self.tokenizer.encode(reasoning_content)
self.assertEqual(
len(tokens),
20,
f"Reasoning content length: {len(tokens)} not equal to 20, tokens: {tokens}, reasoning_content: {reasoning_content}",
)
def test_chat_completion_with_thinking_budget_200(self):
response = requests.post(
f"{self.base_url}/v1/chat/completions",
headers={"Authorization": f"Bearer {self.api_key}"},
json={
"model": self.model,
"messages": [
{"role": "user", "content": "9.11 and 9.8, which is greater?"}
],
"temperature": 0,
"separate_reasoning": True,
"chat_template_kwargs": {"enable_thinking": True},
"thinking_budget": 200,
},
)
self.assertEqual(response.status_code, 200, f"Failed with: {response.text}")
data = response.json()
reasoning_content = data["choices"][0]["message"]["reasoning_content"]
tokens = self.tokenizer.encode(reasoning_content)
self.assertEqual(
len(tokens),
200,
f"Reasoning content length {len(tokens)} not equal to 200, tokens: {tokens}, reasoning_content: {reasoning_content}",
)
if __name__ == "__main__":
unittest.main()