Daniel Arbuckle's Mastering Python

Command-line options in unit test discovery

There are a few command-line options we can use to adjust the behavior of unit test discovery. The first, which we saw in the previous code example, is the -v switch. This switch makes test reports somewhat more verbose. We used it in the previous code so we could see that the discovery had worked properly.

We can also use the -p command-line option (as shown in the following code example) to change the pattern that is used to recognize test files:

Here, we've changed it so that the filenames ending in the word one.py are recognized as test files.

The unittest discover code also recognizes -s to ...