Modern Python Standard Library Cookbook

How it works...

The unittest module provides two major features:

• The unittest.TestCase class, which provides foundations to write tests and fixtures
• The unittest.TestLoader class, which provides the foundation for finding and running multiple tests from multiple sources, in a single run; the result can then be provided to a runner to run them all and report their progress

By creating a unittest.TestCase class, we can gather multiple tests under the same set of fixtures, which are provided by the class as the setUp and setUpClass methods. The setUpClass method is performed once for the whole class, while the setUp method is performed once for every test. Tests are all the class methods whose name starts with test*.

Once the tests have been ...