pytest-parallel
a pytest plugin for parallel and concurrent testing
What?
This plugin makes it possible to run tests quickly using multiprocessing (parallelism) and multithreading (concurrency).
Why?
pytest-xdist is great to run tests that:
- aren't threadsafe
- perform poorly when multithreaded
- need state isolation
pytest-parallel is better for some use cases (like Selenium tests) that:
- can be threadsafe
- can use non-blocking IO for http requests to make it performant
- manage little or no state in the Python environment
Put simply, pytest-xdist does parallelism while pytest-parallel does parallelism and concurrency.
Requirements
- Python3 version [3.6+]
- Unix or Mac for
--workers - Unix, Mac, or Windows for
--tests-per-worker
Installation
pip install pytest-parallel
Options
workers(optional) - max workers (aka processes) to start. Can be a positive integer orautowhich uses one worker per core. Defaults to 1.tests-per-worker(optional) - max concurrent tests per worker. Can be a positive integer orautowhich evenly divides tests among the workers up to 50 concurrent tests. Defaults to 1.
Examples
# runs 2 workers with 1 test per worker at a time
pytest --workers 2
# runs 4 workers (assuming a quad-core machine) with 1 test per worker
pytest --workers auto
# runs 1 worker with 4 tests at a time
pytest --tests-per-worker 4
# runs 1 worker with up to 50 tests at a time
pytest --tests-per-worker auto
# runs 2 workers with up to 50 tests per worker
pytest --workers 2 --tests-per-worker auto
License
MIT
2 maintainers
Metadata
2 maintainers
Release files for pytest-parallel 0.0.8
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
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| pytest-parallel-0.0.8.tar.gz | 5.1 kB | Without provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| pytest_parallel-0.0.8-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 10.9 kB
Release files / pytest-parallel-0.0.8.tar.gz
| Download URL | pytest-parallel-0.0.8.tar.gz |
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| Size | 5.1 kB |
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Release files / pytest_parallel-0.0.8-py3-none-any.whl
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| Size | 5.8 kB |
| Tags | Python 3 |
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