Key 5: Faster test suite execution
When we have accumulated a lot of test cases in the project, it takes a lot of time to execute all of the test cases. We have to make the test run in parallel to decrease the time that is taken overall. In this case, the
py.test testing framework does a fantastic job of simplifying the ability to run tests in parallel. To make this work, we have to first install the
py.test library, and then use its runner to run the test cases. The
py.test library has an
xdist plugin, which adds the capability to run tests in parallel, as follows:
(py35) [ ch6 ] $ py.test -n 3 test_system.py ========================================== test session starts =========================================== ...