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Free module

Software testing

Learn software testing hands on: unit tests, test cases, fakes, test-driven development and code coverage, with Python in a lab.

6 lessons330 min lessonSoftware engineering

The lessons

Each lesson is free to read in full. Create a free account to run its commands in a live lab and to sit its quizzes and tasks.

  1. 1 · Virtual machine lab

    Software testing basics: faults and test levels

    I can say which kind of test finds which kind of fault.

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  2. 2 · Virtual machine lab

    How to write a unit test

    I can write a unit test with assertions and run it with python3 -m unittest.

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  3. 3 · Virtual machine lab

    Equivalence classes and boundary value testing

    I can pick test cases from equivalence classes and boundaries.

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  4. 4 · Virtual machine lab

    Test doubles: fakes, stubs and mocks

    I can test code that depends on the time or on chance by replacing it with a fixed fake.

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  5. 5 · Virtual machine lab

    Test-driven development: red, green, refactor

    I can write a failing test first, make it pass and tidy up.

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  6. 6 · Virtual machine lab

    Code coverage: what it shows and misses

    I can read a coverage figure and say what it misses.

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Worked in a real lab

Every lesson of this module is worked in a lab started for you alone. The labs it uses:

Teaching a class? Set this module for your students with a teacher guide, marked assignments and a lab for every student.