Practical Task

In this practical task, you are going to write unit tests for one of your previous

practical tasks. Follow the instructions below.

Select one of the more recent practical programming tasks you completed,

which will be referred to as your implementation.

Specify at least three use cases that you needed to implement for the

practical task.

Write unit tests that test your implementation against these use cases. We

suggest simplifying the tests you choose by testing the logic, because

testing the code with dependencies on a file or terminal will require that the

file or terminal be available at the time that you run your tests. You cannot

guarantee their availability, and this would complicate your workflow. If you

are interested in how such tests are performed, you can read about mock

testing and integration testing in your spare time.

You can add your unit tests at the end of the Python script containing your

implementation you would have chosen, assuming your implementation

involves a single Python file. If your implementation used multiple Python

files, feel free to create a testing Python script, which would import the

implementation scripts you will be testing.

If you find that your code is difficult to write unit tests for, congratulations!

You've discovered what it means to write testable code. You'll need to

refactor the implementation so that it's easier to write tests for.