8000 [3.12] gh-105699: Add some stress tests for subinterpreter creation (GH-106966) by miss-islington · Pull Request #107012 · python/cpython · GitHub
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[3.12] gh-105699: Add some stress tests for subinterpreter creation (GH-106966) #107012

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Merged
merged 2 commits into from
Jul 25, 2023
Merged

[3.12] gh-105699: Add some stress tests for subinterpreter creation (GH-106966) #107012

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gh-105699: Add some stress tests for subinterpreter creation (GH-106966)
ericsnowcurrently Jul 22, 2023
2fd2490
Merge branch '3.12' into backport-adda43d-3.12
ericsnowcurrently Jul 24, 2023
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22 changes: 22 additions & 0 deletions Lib/test/test_interpreters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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):
Expand Down
0