Py.test demo

This is a little demo I gave to show how tests can be rewritten in py.test and highlights some of the basic py.test features

Tests can be run using the following command:

$ py.test

To select a particular test by name:

$ py.test -k test_name

To select a particular test by path:

$ py.test path_to_test_file/test_file.py::TestClass::test_method

Parametrized tests

test_old.py contains two tests written using unittest syntax, while test_new.py contains the same tests rewritten using the Py.test syntax.

Marked tests

Tests can be marked using default or custom markers.

To run marked tests use:

$ py.test -m marker_name

To run all the test but the marked ones:

$ py.test -m 'not marker_name'