pytest Quick Start Guide

pytest-timeout

The pytest-timeout plugin terminates tests automatically after they reach a certain timeout. 

You use it by setting a global timeout in the command-line:

λ pytest --timeout=60

Or you can mark individual tests with the @pytest.mark.timeout mark:

@pytest.mark.timeout(600)def test_long_simulation():   ...

It works by using one of the two following methods to implement its timeout mechanism:

• thread: during test setup, the plugin starts a thread that sleeps for the desired timeout period. If the thread wakes up, it will dump the tracebacks of all the threads to stderr and kill the current process. If the test finishes before the thread wakes up, then the thread is cancelled and the test run continues. This is the method that works ...