Overview

Teaching: 15 min
Exercises: 10 min

Questions

• How can I tell if my program is working?

• How can I tell if my program is still working?

Objectives

• Write and run unit tests using py.test.

• Turn a bug into a test case that verifies the fix to the bug.

FIXME

Exercises

• Add more tests to overlap finder.

Key Points

• Use unit testing framework to run tests repeatedly.

• Write unit tests to clarify design and make future development faster.

• Turn bugs into tests.