Writing unit tests with unittest
20-minute lesson · module-testing-03
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Writing unit tests with unittest
20-minute lesson · module-testing-03
- Describe how `unittest` organizes tests into TestCase classes and test methods.
- Use assertion methods like `assertEqual` and `assertTrue`.
- Run a test suite headlessly and check whether it succeeded.
- Explain the advantages of a framework over hand-rolled assert bundles.
Source attribution
Status: adapted
How to Think Like a Computer Scientist: Interactive Edition — source · Unit Testing / Writing Unit Tests / Test First Development
Adaptation notes. Reading rewritten in our voice. The gpa_to_letter example is ours. The student writes a plain function; the hidden tests build a small unittest.TestCase, run it headlessly via TextTestRunner, and assert result.wasSuccessful() — proving the framework runs in the Pyodide sandbox.
License notes. Original chapter is GNU FDL 1.3 (Brad Miller, David Ranum, and the upstream Elkner/Downey/Meyers text). No verbatim text reproduced.