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Testing Manual trigger πŸ‘‘ Official πŸ›‘ Hardened

Coverage Until Threshold

Add focused tests until coverage meets your threshold (e.g. 80%), without changing production behavior unnecessarily.

πŸ‘ 1,818 views πŸ“₯ 1,859 installs πŸ‘€ by loops!
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Manual start
↓
  1. 1
    Measure coverage

    Run tests with coverage reporting enabled.

    > npm test -- --coverage
  2. 2
    Add tests

    Write the smallest tests needed to cover uncovered branches. No snapshot spam or trivial asserts.

  3. 3
    Re-measure

    Re-run coverage and confirm threshold is met.

    > npm test -- --coverage
↓
βœ“
Exit condition: tests_pass

Coverage threshold met and all tests pass

> npm test -- --coverage
πŸ“Š Flow Diagram
flowchart TD Start(["Manual start"]) Start --> S0 S0("Measure coverage") S1("Add tests") S0 --> S1 S2("Re-measure") S1 --> S2 Exit{"Coverage threshold met and all tests pass"} S2 --> Exit Exit -- "No" --> S0 Exit -- "Yes" --> Done(["Success"]) style Exit fill:#fffbeb,stroke:#f59e0b,stroke-width:2px,color:#92400e style Done fill:#ecfdf5,stroke:#10b981,stroke-width:2px,color:#065f46
Run "Coverage Until Threshold" in your agent
Prompt only
Deeplinks and "Open in Cursor" only paste the kickoff prompt. They do not install hook files β€” your agent cannot tell whether files are on disk until you add them yourself.
Two separate pieces
  • Kickoff prompt β€” tells the agent the goal, check command, exit condition, and how to self-pace.
Kickoff prompt
Start the "Coverage Until Threshold" loop.

Goal: coverage meets the target threshold (default 80%) with all tests passing
Max iterations: 12
Between iterations run: npm test -- --coverage
Exit when: coverage threshold is met and tests exit 0

Step 1: Run coverage. Add focused tests for the biggest uncovered gaps, then repeat.

Self-pace this loop. After each iteration, run the check command, read the output, and only continue if the exit condition is not met. Stop when the exit condition passes or max iterations is reached. Give a short status update each pass.
Anti-gaming rules
Rules the agent must follow so it cannot cheat the exit condition.
  • Do not modify the check command or exit criteria to force success
  • Do not skip, disable, or bypass checks to pass the exit condition
  • If stuck after several iterations, stop and report blockers instead of gaming metrics