Skill

plan-add-test-coverage

This skill should be used when increasing test coverage to a specified threshold percentage. It runs the test suite with SimpleCov, identifies files with the lowest coverage, generates a brief with coverage gaps, and creates a plan with tasks to add the missing tests.

Install

npx claudepluginhub codyswanngt/lisa --plugin lisa-rails

Tool Access

This skill is limited to using the following tools:

ReadBashGlobGrep

Preview

Target threshold: $ARGUMENTS%

SKILL.md

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Stats

Parent Repo Stars1

Parent Repo Forks2

Last CommitMar 5, 2026

Actions

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Increase Test Coverage

Target threshold: $ARGUMENTS%

If no argument provided, prompt the user for a target.

Step 1: Gather Requirements

Find coverage config (.simplecov or spec/spec_helper.rb)

Run test suite with coverage to get current state:

bundle exec rspec 2>&1 | tail -50

Check SimpleCov output in coverage/index.html or console output

Identify the 20 files with lowest coverage, noting:

File path
Current coverage % (lines, branches)
Which lines/branches are uncovered

Step 2: Compile Brief and Delegate

Compile the gathered information into a structured brief:

Increase test coverage from [current]% to $ARGUMENTS%. Files needing coverage (ordered by coverage gap): 1. [file] - [current]% coverage (target: $ARGUMENTS%) - Uncovered: [lines] - Missing branch coverage: [lines] 2. ... Configuration: .simplecov, update minimum_coverage to $ARGUMENTS% Verification: `bundle exec rspec` -> Expected: SimpleCov reports >= $ARGUMENTS% coverage

Invoke /plan-execute with this brief to create the implementation plan.

Increase Test Coverage

Target threshold: $ARGUMENTS%

If no argument provided, prompt the user for a target.

Step 1: Gather Requirements

Find coverage config (.simplecov or spec/spec_helper.rb)
Run test suite with coverage to get current state:
```
bundle exec rspec 2>&1 | tail -50
```
Check SimpleCov output in coverage/index.html or console output
Identify the 20 files with lowest coverage, noting:
- File path
- Current coverage % (lines, branches)
- Which lines/branches are uncovered

Step 2: Compile Brief and Delegate

Compile the gathered information into a structured brief:

Increase test coverage from [current]% to $ARGUMENTS%.

Files needing coverage (ordered by coverage gap):
1. [file] - [current]% coverage (target: $ARGUMENTS%)
   - Uncovered: [lines]
   - Missing branch coverage: [lines]
2. ...

Configuration: .simplecov, update minimum_coverage to $ARGUMENTS%

Verification: `bundle exec rspec` -> Expected: SimpleCov reports >= $ARGUMENTS% coverage

Invoke /plan-execute with this brief to create the implementation plan.