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Description:

pytestisolate 0.0.2

pytest-isolate

Isolate each test in a subprocess - pytest forked replacement, based on pytest-forked.
This pytest plugin was generated with Cookiecutter along with @hackebrot's cookiecutter-pytest-plugin template.
Features

Run each test in an forked, isolated subprocess
Captures stdout & stderr of crashing processes
Add Timeout to a forked test
Limit memory used by test
Plays nice with pytest-xdist
Shows warnings, even with xdist!

Requirements

pytest

Installation
You can install "pytest-isolate" via pip from PyPI
pip install pytest-isolate

Usage
pytest --isolate

To run every test in its own forked subprocess.
Or:
pytest --isolate-timeout 10 --isolate-mem-limit 1000000

To set a timeout to every test in addition to forking.

Note:
Since this plugin uses fork, it will not work on operating systems without fork support (e.g. Windows).

The flags --timeout or --forked will also be respected such that pytest-isolate is a drop-in replacement forked pytest forked and pytest timeout.
If pytest-forked or pytest-timeout are installed, then
they will take precedence. Uninstall them to use pytest-isolate.
Unlike pytest-timeout, timeout in pytest-isolate is implemented by forking the test to a separate subprocess, and setting timeout for that subprocess.
You can also use a mark to isolate or time limit the memory test:
@pytest.mark.isolate(timeout=10,mem_limit=10**6)
def test_something():
pass

The options can also be set in an pytest configuration file, e.g:
[tool.pytest.ini_options]
isolate_timeout=10
isolate_mem_limit=1000000

Contributing
Contributions are very welcome. Tests can be run with tox, please ensure
the coverage at least stays the same before you submit a pull request.
License
Distributed under the terms of the MIT, pytest-isolate is free and open source software
Issues
If you encounter any problems, please file an issue along with a detailed description.