[Python-checkins] [3.12] gh-105699: Add some stress tests for subinterpreter creation (GH-106966) (gh-107012)
ericsnowcurrently
webhook-mailer at python.org
Tue Jul 25 11:42:50 EDT 2023
https://github.com/python/cpython/commit/ca42d6720850967698d6e298e37a4225f0c67d8e
commit: ca42d6720850967698d6e298e37a4225f0c67d8e
branch: 3.12
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: ericsnowcurrently <ericsnowcurrently at gmail.com>
date: 2023-07-25T09:42:46-06:00
summary:
[3.12] gh-105699: Add some stress tests for subinterpreter creation (GH-106966) (gh-107012)
gh-105699: Add some stress tests for subinterpreter creation (GH-106966)
(cherry picked from commit adda43dc0bcea853cbfa33126e5549c584cef8be)
Co-authored-by: Eric Snow <ericsnowcurrently at gmail.com>
files:
M Lib/test/test_interpreters.py
diff --git a/Lib/test/test_interpreters.py b/Lib/test/test_interpreters.py
index d1bebe4715832..5981d96de8de0 100644
--- a/Lib/test/test_interpreters.py
+++ b/Lib/test/test_interpreters.py
@@ -7,6 +7,7 @@
from test import support
from test.support import import_helper
+from test.support import threading_helper
_interpreters = import_helper.import_module('_xxsubinterpreters')
_channels = import_helper.import_module('_xxinterpchannels')
from test.support import interpreters
@@ -463,6 +464,27 @@ def test_bytes_for_script(self):
# test_xxsubinterpreters covers the remaining Interpreter.run() behavior.
+class StressTests(TestBase):
+
+ # In these tests we generally want a lot of interpreters,
+ # but not so many that any test takes too long.
+
+ def test_create_many_sequential(self):
+ alive = []
+ for _ in range(100):
+ interp = interpreters.create()
+ alive.append(interp)
+
+ def test_create_many_threaded(self):
+ alive = []
+ def task():
+ interp = interpreters.create()
+ alive.append(interp)
+ threads = (threading.Thread(target=task) for _ in range(200))
+ with threading_helper.start_threads(threads):
+ pass
+
+
class TestIsShareable(TestBase):
def test_default_shareables(self):
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