Pytest
Pytest is one example of a program used for running tests. The documentation for pytest can be found here Pytest looks for files named test_* .py and within those it looks for functions named test_* and then runs all the tests it can find.
Installing and running pytest
You can install pytest using pip.
pip install pytest
Check that it has installed
pytest --version
or read the help
pytest --help
Run pytest using the command line in the file where your test_*.py file(s) are.
pytest
Activity Change to the code_testing/example directory of the software workshop.
Look at the functions.py code and the test_functions.py.
Try running the tests. What happens?
Can you change the code so that all the tests pass?
Does the test cover all the functionality? Try writing more tests.