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Enforces Test-Driven Development discipline with RED-GREEN-REFACTOR cycle
Passed 20 of 23 test cases with the skill, and 15 of 23 without it.
and 5 more in the full report
6 fixed14 passed either way2 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 6 test cases the skill fixed. Same model, same prompt, with and without the skill.
I want to run test coverage analysis for our Python codebase using pytest and generate an HTML report in the local directory. What command invocation achieves this?
| Checked | Without skill | With skill |
|---|---|---|
| The command specifies pytest --cov=. --cov-report=html | Missed | Passed |
The instructions your model reads when the skill loads.
Enforces strict Test-Driven Development discipline. You cannot prompt your way into TDD discipline - you need forcing functions that make TDD the path of least resistance.
This skill activates when:
Before writing ANY implementation code:
Understand the requirement
Write the test FIRST
// The test must:
// - Define expected behavior
// - Be specific and focused
// - FAIL when run (no implementation yet)
Run the test - confirm it FAILS
test cases passed, vs 15 / 23 without
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