Structure and Interpretation of Test Cases
summary
A practical guide to structuring unit tests that shows concrete rules, examples and numbers: implements the leap year rule with four mutually exclusive leap-year cases and moves those cases into nested suites and parameterized data for clearer intent; contrasts imperative and functional FizzBuzz implementations and the resulting metrics — 25% path coverage vs 100% statement coverage — to warn about misleading coverage targets; advocates small focused tests, proposition-style names, and property-based checks that assert ordinal and divisibility properties.
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chapters (15)
- 0:00Intro
- 4:09Quote Structure & Interpretation of Computer Programs
- 5:27Quotes Marit van Dijk
- 10:56Testing approaches today
- 13:24Continuous testing
- 14:52Case: Leap year
- 28:55Quote Nat Pryce & Steve Freeman
- 29:44Case: Leap year continued
- 37:33FizzBuzz
- 39:00Quote Brian Marick
- 39:36FizzBuzz continued
- 43:15Quote Richard Feynman
- 43:43FizzBuzz continued
- 45:14Niklaus Wirth
- 46:07Outro
