Description
Pro tips for writing great unit tests - PyCon Italia 2022
There is an art to condensing test concepts into readable, fast, clear predicates.
- We look at many examples and show how they can be improve
- Master the use of any() and all() with generator expressions.
- Expression set() relations to express big ideas clearly.
- Cover the problem space with combinatoric iterators: product(), combinations(), permutations()
- Use subtests for clear error reporting
- Factor-out data acquisition and parsing from the test predicates.
- Learn patterns for testing edge cases.
- Cover class based technique for test reuse.
- Make effective use of setup and teardown.
- We look at many examples and show how they can be improved
- Treating TDD test cases and bug test cases with special reverence.
Speaker: Raymond Hettinger