Daniel Arbuckle's Mastering Python

Testing examples using doctest

To test the code example using doctest, we just need to run the following command:

$ python3 -m doctest example.py -v

We will get the following output:

Having doctest run all the examples in a file and report back whether they worked is easy. We just run the doctest utility from the command line and tell it which files we were interested in. The -v option in the command makes it pull out extra information, which isn't necessary, but often is helpful.

All we see in the preceding example is a lack of error messages rather than any confirmation that everything worked or is tested.

There are other ways of running ...