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import json
import unittest
import urllib.request
from multiprocessing.dummy import Pool
from tests.gunicorn_utils import run_gunicorn
def run_code_in_snekbox(code: str) -> tuple[str, int]:
body = {"args": ["-c", code]}
json_data = json.dumps(body).encode("utf-8")
req = urllib.request.Request("http://localhost:8060/eval")
req.add_header("Content-Type", "application/json; charset=utf-8")
req.add_header("Content-Length", str(len(json_data)))
with urllib.request.urlopen(req, json_data, timeout=30) as response:
response_data = response.read().decode("utf-8")
return response_data, response.status
class IntegrationTests(unittest.TestCase):
def test_memory_limit_separate_per_process(self):
"""
Each NsJail process should have its own memory limit.
The memory used by one process should not contribute to the memory cap of other processes.
See https://github.com/python-discord/snekbox/issues/83
"""
with run_gunicorn():
code = "import time; ' ' * 33000000; time.sleep(0.1)"
processes = 3
args = [code] * processes
with Pool(processes) as p:
results = p.map(run_code_in_snekbox, args)
responses, statuses = zip(*results)
self.assertTrue(all(status == 200 for status in statuses))
self.assertTrue(all(json.loads(response)["returncode"] == 0 for response in responses))
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