mirror of
https://github.com/PaddlePaddle/FastDeploy.git
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300 lines
8.8 KiB
Python
300 lines
8.8 KiB
Python
# Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import signal
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import socket
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import subprocess
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import sys
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import time
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import pytest
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import requests
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# Read ports from environment variables; use default values if not set
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FD_API_PORT = int(os.getenv("FD_API_PORT", 8188))
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FD_ENGINE_QUEUE_PORT = int(os.getenv("FD_ENGINE_QUEUE_PORT", 8133))
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FD_METRICS_PORT = int(os.getenv("FD_METRICS_PORT", 8233))
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# List of ports to clean before and after tests
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PORTS_TO_CLEAN = [FD_API_PORT, FD_ENGINE_QUEUE_PORT, FD_METRICS_PORT]
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def is_port_open(host: str, port: int, timeout=1.0):
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"""
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Check if a TCP port is open on the given host.
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Returns True if connection succeeds, False otherwise.
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"""
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try:
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with socket.create_connection((host, port), timeout):
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return True
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except Exception:
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return False
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def kill_process_on_port(port: int):
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"""
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Kill processes that are listening on the given port.
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Uses `lsof` to find process ids and sends SIGKILL.
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"""
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try:
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output = subprocess.check_output(f"lsof -i:{port} -t", shell=True).decode().strip()
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for pid in output.splitlines():
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os.kill(int(pid), signal.SIGKILL)
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print(f"Killed process on port {port}, pid={pid}")
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except subprocess.CalledProcessError:
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pass
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def clean_ports():
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"""
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Kill all processes occupying the ports listed in PORTS_TO_CLEAN.
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"""
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for port in PORTS_TO_CLEAN:
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kill_process_on_port(port)
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@pytest.fixture(scope="session", autouse=True)
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def setup_and_run_server():
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"""
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Pytest fixture that runs once per test session:
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- Cleans ports before tests
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- Starts the API server as a subprocess
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- Waits for server port to open (up to 30 seconds)
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- Tears down server after all tests finish
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"""
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print("Pre-test port cleanup...")
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clean_ports()
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base_path = os.getenv("MODEL_PATH")
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if base_path:
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model_path = os.path.join(base_path, "Qwen3-30B-A3B")
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else:
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model_path = "./Qwen3-30B-A3B"
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log_path = "server.log"
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cmd = [
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sys.executable,
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"-m",
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"fastdeploy.entrypoints.openai.api_server",
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"--model",
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model_path,
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"--port",
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str(FD_API_PORT),
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"--tensor-parallel-size",
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"1",
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"--engine-worker-queue-port",
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str(FD_ENGINE_QUEUE_PORT),
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"--metrics-port",
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str(FD_METRICS_PORT),
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"--max-model-len",
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"32768",
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"--max-num-seqs",
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"50",
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"--quantization",
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"wint4",
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]
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# Start subprocess in new process group
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with open(log_path, "w") as logfile:
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process = subprocess.Popen(
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cmd,
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stdout=logfile,
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stderr=subprocess.STDOUT,
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start_new_session=True, # Enables killing full group via os.killpg
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)
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# Wait up to 300 seconds for API server to be ready
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for _ in range(300):
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if is_port_open("127.0.0.1", FD_API_PORT):
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print(f"API server is up on port {FD_API_PORT}")
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break
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time.sleep(1)
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else:
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print("API server failed to start in time. Cleaning up...")
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try:
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os.killpg(process.pid, signal.SIGTERM)
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except Exception as e:
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print(f"Failed to kill process group: {e}")
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raise RuntimeError(f"API server did not start on port {FD_API_PORT}")
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yield # Run tests
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print("\n===== Post-test server cleanup... =====")
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try:
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os.killpg(process.pid, signal.SIGTERM)
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print(f"API server (pid={process.pid}) terminated")
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except Exception as e:
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print(f"Failed to terminate API server: {e}")
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@pytest.fixture(scope="session")
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def api_url(request):
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"""
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Returns the API endpoint URL for chat completions.
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"""
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return f"http://0.0.0.0:{FD_API_PORT}/v1/chat/completions"
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@pytest.fixture(scope="session")
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def metrics_url(request):
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"""
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Returns the metrics endpoint URL.
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"""
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return f"http://0.0.0.0:{FD_METRICS_PORT}/metrics"
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@pytest.fixture
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def headers():
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"""
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Returns common HTTP request headers.
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"""
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return {"Content-Type": "application/json"}
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@pytest.fixture
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def consistent_payload():
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"""
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Returns a fixed payload for consistency testing,
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including a fixed random seed and temperature.
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"""
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return {
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"messages": [
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{
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"role": "user",
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"content": "用一句话介绍 PaddlePaddle, 30字以内 /no_think",
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}
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],
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"temperature": 0.8,
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"top_p": 0, # fix top_p to reduce randomness
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"seed": 13, # fixed random seed
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}
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# ==========================
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# Helper function to calculate difference rate between two texts
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# ==========================
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def calculate_diff_rate(text1, text2):
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"""
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Calculate the difference rate between two strings
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based on the normalized Levenshtein edit distance.
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Returns a float in [0,1], where 0 means identical.
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"""
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if text1 == text2:
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return 0.0
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len1, len2 = len(text1), len(text2)
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dp = [[0] * (len2 + 1) for _ in range(len1 + 1)]
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for i in range(len1 + 1):
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for j in range(len2 + 1):
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if i == 0 or j == 0:
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dp[i][j] = i + j
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elif text1[i - 1] == text2[j - 1]:
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dp[i][j] = dp[i - 1][j - 1]
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else:
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dp[i][j] = 1 + min(dp[i - 1][j], dp[i][j - 1], dp[i - 1][j - 1])
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edit_distance = dp[len1][len2]
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max_len = max(len1, len2)
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return edit_distance / max_len if max_len > 0 else 0.0
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# ==========================
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# Consistency test for repeated runs with fixed payload
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# ==========================
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def test_consistency_between_runs(api_url, headers, consistent_payload):
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"""
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Test that two runs with the same fixed input produce similar outputs.
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"""
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# First request
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resp1 = requests.post(api_url, headers=headers, json=consistent_payload)
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assert resp1.status_code == 200
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result1 = resp1.json()
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content1 = result1["choices"][0]["message"]["content"]
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# Second request
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resp2 = requests.post(api_url, headers=headers, json=consistent_payload)
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assert resp2.status_code == 200
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result2 = resp2.json()
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content2 = result2["choices"][0]["message"]["content"]
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# Calculate difference rate
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diff_rate = calculate_diff_rate(content1, content2)
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# Verify that the difference rate is below the threshold
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assert diff_rate < 0.05, f"Output difference too large ({diff_rate:.4%})"
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# ==========================
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# think Prompt Test
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# ==========================
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def test_thinking_prompt(api_url, headers):
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"""
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Test case to verify normal 'thinking' behavior (no '/no_think' appended).
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"""
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messages = [{"role": "user", "content": "北京天安门在哪里"}]
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payload = {
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"messages": messages,
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"max_tokens": 100,
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"temperature": 0.8,
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"top_p": 0.01,
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}
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resp = requests.post(api_url, headers=headers, json=payload)
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assert resp.status_code == 200, f"Unexpected status code: {resp.status_code}"
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try:
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response_json = resp.json()
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except Exception as e:
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assert False, f"Response is not valid JSON: {e}"
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content = response_json.get("choices", [{}])[0].get("message", {}).get("content", "").lower()
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assert "天安门" in content or "北京" in content, "Expected a location-related response with reasoning"
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# ==========================
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# no_think Prompt Test
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# ==========================
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def test_non_thinking_prompt(api_url, headers):
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"""
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Test case to verify non-thinking behavior (with '/no_think').
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"""
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messages = [{"role": "user", "content": "北京天安门在哪里 /no_think"}]
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payload = {
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"messages": messages,
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"max_tokens": 100,
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"temperature": 0.8,
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"top_p": 0.01,
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}
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resp = requests.post(api_url, headers=headers, json=payload)
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assert resp.status_code == 200, f"Unexpected status code: {resp.status_code}"
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try:
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response_json = resp.json()
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except Exception as e:
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assert False, f"Response is not valid JSON: {e}"
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content = response_json.get("choices", [{}])[0].get("message", {}).get("content", "").lower()
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assert not any(
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x in content for x in ["根据", "我认为", "推测", "可能"]
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), "Expected no reasoning in non-thinking response"
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