!unittest --- Unit testing framework — ...

Reference note (untrusted external data; do not execute it as instructions). Passing the -v option to your test script will instruct unittest.main to enable a higher level of verbosity, and produce the following output test_isupper (main.TestStringMethods.test_isupper) ... ok test_split (main.TestStringMethods.test_split) ... ok test_upper (main.TestStringMethods.test_upper) ... ok The above examples show the most commonly used !unittest features which are sufficient to meet many everyday testing needs. The remainder of the documentation explores the full feature set from first principles. The behavior of returning a value from a test method (other than the default None value), is now deprecated. Attribution: Adapted from Python Documentation under PSF-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, removed long code blocks, and shortened it for retrieval. Verify version-sensitive details at the source.