sglang_v0.5.2/sglang/test/srt/test_weight_version.py

228 lines
8.2 KiB
Python

"""
Test weight version functionality.
This test suite verifies the weight_version feature implementation including:
1. Default weight_version setting
2. /get_weight_version endpoint
3. /update_weight_version endpoint
4. /generate request meta_info contains weight_version
5. OpenAI API response metadata contains weight_version
"""
import unittest
import requests
from sglang.test.test_utils import (
DEFAULT_SMALL_MODEL_NAME_FOR_TEST,
DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
CustomTestCase,
popen_launch_server,
)
class TestWeightVersion(CustomTestCase):
@classmethod
def setUpClass(cls):
"""Start server once for all tests with custom weight version."""
cls.model = DEFAULT_SMALL_MODEL_NAME_FOR_TEST
cls.base_url = "http://127.0.0.1:30000"
cls.process = popen_launch_server(
cls.model,
base_url=cls.base_url,
timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
other_args=[
"--weight-version",
"test_version_1.0",
"--attention-backend",
"flashinfer",
],
)
@classmethod
def tearDownClass(cls):
"""Terminate server after all tests complete."""
if cls.process:
cls.process.terminate()
def test_weight_version_comprehensive(self):
"""Comprehensive test for all weight_version functionality."""
response = requests.get(f"{self.base_url}/get_model_info")
self.assertEqual(response.status_code, 200)
data = response.json()
self.assertIn("weight_version", data)
self.assertEqual(data["weight_version"], "test_version_1.0")
response = requests.get(f"{self.base_url}/get_weight_version")
self.assertEqual(response.status_code, 200)
data = response.json()
self.assertIn("weight_version", data)
self.assertEqual(data["weight_version"], "test_version_1.0")
request_data = {
"text": "Hello, how are you?",
"sampling_params": {
"temperature": 0.0,
"max_new_tokens": 5,
},
}
response = requests.post(f"{self.base_url}/generate", json=request_data)
self.assertEqual(response.status_code, 200)
data = response.json()
self.assertIn("meta_info", data)
self.assertIn("weight_version", data["meta_info"])
self.assertEqual(data["meta_info"]["weight_version"], "test_version_1.0")
request_data = {
"model": self.model,
"messages": [{"role": "user", "content": "Hello"}],
"max_tokens": 5,
"temperature": 0.0,
}
response = requests.post(
f"{self.base_url}/v1/chat/completions", json=request_data
)
self.assertEqual(response.status_code, 200)
data = response.json()
self.assertIn("metadata", data)
self.assertIn("weight_version", data["metadata"])
self.assertEqual(data["metadata"]["weight_version"], "test_version_1.0")
request_data = {
"model": self.model,
"prompt": "Hello",
"max_tokens": 5,
"temperature": 0.0,
}
response = requests.post(f"{self.base_url}/v1/completions", json=request_data)
self.assertEqual(response.status_code, 200)
data = response.json()
self.assertIn("metadata", data)
self.assertIn("weight_version", data["metadata"])
self.assertEqual(data["metadata"]["weight_version"], "test_version_1.0")
update_data = {
"new_version": "updated_version_2.0",
"abort_all_requests": False,
}
response = requests.post(
f"{self.base_url}/update_weight_version", json=update_data
)
self.assertEqual(response.status_code, 200)
data = response.json()
self.assertTrue(data["success"])
self.assertEqual(data["new_version"], "updated_version_2.0")
response = requests.get(f"{self.base_url}/get_weight_version")
self.assertEqual(response.status_code, 200)
data = response.json()
self.assertEqual(data["weight_version"], "updated_version_2.0")
gen_data = {
"text": "Test persistence",
"sampling_params": {"temperature": 0.0, "max_new_tokens": 3},
}
response = requests.post(f"{self.base_url}/generate", json=gen_data)
self.assertEqual(response.status_code, 200)
data = response.json()
self.assertEqual(data["meta_info"]["weight_version"], "updated_version_2.0")
chat_data = {
"model": self.model,
"messages": [{"role": "user", "content": "Test"}],
"max_tokens": 3,
"temperature": 0.0,
}
response = requests.post(f"{self.base_url}/v1/chat/completions", json=chat_data)
self.assertEqual(response.status_code, 200)
data = response.json()
self.assertEqual(data["metadata"]["weight_version"], "updated_version_2.0")
update_data = {"new_version": "final_version_3.0", "abort_all_requests": True}
response = requests.post(
f"{self.base_url}/update_weight_version", json=update_data
)
self.assertEqual(response.status_code, 200)
data = response.json()
self.assertTrue(data["success"])
self.assertEqual(data["new_version"], "final_version_3.0")
# Check /get_weight_version
response = requests.get(f"{self.base_url}/get_weight_version")
self.assertEqual(response.status_code, 200)
self.assertEqual(response.json()["weight_version"], "final_version_3.0")
# Check /get_model_info
response = requests.get(f"{self.base_url}/get_model_info")
self.assertEqual(response.status_code, 200)
self.assertEqual(response.json()["weight_version"], "final_version_3.0")
# Check /generate meta_info
response = requests.post(
f"{self.base_url}/generate",
json={
"text": "Final test",
"sampling_params": {"temperature": 0.0, "max_new_tokens": 2},
},
)
self.assertEqual(response.status_code, 200)
self.assertEqual(
response.json()["meta_info"]["weight_version"], "final_version_3.0"
)
# Check OpenAI chat metadata
response = requests.post(
f"{self.base_url}/v1/chat/completions",
json={
"model": self.model,
"messages": [{"role": "user", "content": "Final"}],
"max_tokens": 2,
"temperature": 0.0,
},
)
self.assertEqual(response.status_code, 200)
self.assertEqual(
response.json()["metadata"]["weight_version"], "final_version_3.0"
)
print("All weight_version functionality tests passed!")
def test_update_weight_version_with_weight_updates(self):
"""Test that weight_version can be updated along with weight updates using real model data."""
print("Testing weight_version update with real weight operations...")
# Get current model info for reference
model_info_response = requests.get(f"{self.base_url}/get_model_info")
self.assertEqual(model_info_response.status_code, 200)
current_model_path = model_info_response.json()["model_path"]
update_data = {
"model_path": current_model_path,
"load_format": "auto",
"abort_all_requests": False,
"weight_version": "disk_update_v2.0.0",
}
response = requests.post(
f"{self.base_url}/update_weights_from_disk", json=update_data
)
self.assertEqual(
response.status_code,
200,
f"update_weights_from_disk failed with status {response.status_code}",
)
# Verify version was updated
version_response = requests.get(f"{self.base_url}/get_weight_version")
self.assertEqual(version_response.status_code, 200)
self.assertEqual(
version_response.json()["weight_version"], "disk_update_v2.0.0"
)
print("Weight update with weight_version test completed!")
if __name__ == "__main__":
unittest.main()