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README.rst

pytest-repeat

pytest-repeat is a plugin for py.test that makes it easy to repeat a single test, or multiple tests, a specific number of times.

License PyPI Travis Issues Requirements

Requirements

You will need the following prerequisites in order to use pytest-repeat:

  • Python 2.6, 2.7, 3.2, 3.3, 3.4, 3.5 or PyPy
  • py.test 2.8 or newer

Installation

To install pytest-repeat:

$ pip install pytest-repeat

Repeating a test

Use the --count command line option to specify how many times you want your test, or tests, to be run:

$ py.test --count=10 test_file.py

Each test collected by py.test will be run count times.

Repeating a test until failure

If you are trying to diagnose an intermittent failure, it can be useful to run the same test over and over again until it fails. You can use py.test's -x option in conjunction with pytest-repeat to force the test runner to stop at the first failure. For example:

$ py.test --count=1000 -x test_file.py

This will attempt to run test_file.py 1000 times, but will stop as soon as a failure occurs.

UnitTest Style Tests

Unfortunately pytest-repeat is not able to work with unittest.TestCase test classes. These tests will simply always run once, regardless of --count, and show a warning.

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