How to Write a Test Case
summary
Shows the concrete Arrange‑Act‑Assert pattern and applies it to two live examples: a unit test of abs() and an API test that calls DuckDuckGo Instant Answer with the requests library, parses JSON, and asserts status code 200 and that the word "Python" appears in the abstract. Demonstrates test structure comments, uses pytest for examples, and gives specific rules: one behavior per test, independence, cleanup, plain‑language steps, and prefer simplicity.
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chapters (5)
- 0:00Start
- 1:44Act on the Target Behavior
- 2:31Test Frameworks
- 2:56The Arrange Act Assert Pattern in Python Code
- 4:24Pro Tips for Writing Good Tests
