pytest-race
https://github.com/idlesign/pytest-race
Description
Race conditions tester for pytest
Introduces start_race fixture to run race condition tests.
Requirements
Python 3.7+
pytest 2.9.0+
Usage
You can use start_race fixture in your tests as follows:
from time import sleep
ACCUMULATOR = 0 # This global var is race conditions prone.
def test_race(start_race):
from random import randint
def actual_test():
global ACCUMULATOR
increment = randint(1, 10000)
accumulator = ACCUMULATOR
sleep(1) # Simulate some lag.
ACCUMULATOR += increment
# By that moment ACCUMULATOR should have been updated
# by another thread. Let's try to prove it.
# Using simple `assert` as usual for pytest.
assert accumulator + increment == ACCUMULATOR
# Let's run `actual_test` in 2 threads.
start_race(threads_num=2, target=actual_test)start_race accepts the following arguments:
threads_num - number of threads to run simultaneously.
target - actual test callable to run in threads.
1 maintainer
Metadata
1 maintainer
Release files for pytest-race 0.2.0
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
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| pytest-race-0.2.0.tar.gz | 5.4 kB | Without provenance | Details for pytest-race-0.2.0.tar.gz |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
|---|---|---|---|---|
| pytest_race-0.2.0-py3-none-any.whl | Python 3 | none | any | Details for pytest_race-0.2.0-py3-none-any.whl |
Total release size: 10.5 kB
Release files / pytest-race-0.2.0.tar.gz
| Download URL | pytest-race-0.2.0.tar.gz |
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| Size | 5.4 kB |
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Release files / pytest_race-0.2.0-py3-none-any.whl
| Download URL | pytest_race-0.2.0-py3-none-any.whl |
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| Size | 5.1 kB |
| Tags | Python 3 |
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