Individual skill
clean-tests
Use when writing, fixing, editing, or refactoring Python tests. Enforces Clean Code principles—fast tests, boundary coverage, one assert per test.
skills/python/clean-tests/SKILL.md
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# Clean Tests
## T1: Insufficient Tests
Test everything that could possibly break. Use coverage tools as a guide, not a goal.
```python
# Bad - only tests happy path
def test_divide():
assert divide(10, 2) == 5
# Good - tests edge cases too
def test_divide_normal():
assert divide(10, 2) == 5