Does this skill fix bugs in my source code?

While its primary focus is creating tests, it identifies source code issues during the coverage analysis and ensures that the resulting test suite complies with your project's coding and documentation standards.

What testing frameworks does this skill support?

This skill is specifically designed and optimized for Vitest using the v8 coverage provider within TypeScript environments.

Can it handle large enterprise-scale repositories?

Yes, it uses a strategic delegation model that breaks test creation into parallel batches of 2-5 files, allowing it to process large volumes of code without exceeding context limits.

How does it achieve 100% coverage without creating redundant tests?

It follows a 'Plan + Execute' pattern where it writes tests one-at-a-time, verifies their impact on coverage, and includes a dedicated phase to identify and remove tests that do not contribute unique coverage data.

Complete Test Coverage

Name: Complete Test Coverage
Author: alvis

byalvis

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Security & Testing

Achieves 100% test coverage through progressive test writing, redundancy elimination, and automated fixture restructuring.

This skill transforms Claude into a Test Suite Orchestrator dedicated to achieving 100% code coverage for your TypeScript projects. It employs a systematic, multi-step workflow that starts with a baseline coverage analysis and proceeds to write tests progressively—verifying coverage after every single test addition. The skill excels at maintaining lean test suites by identifying and removing redundant tests that don't contribute to coverage, fixing standards violations, and restructuring mocks and fixtures for better maintainability. It is specifically optimized for Vitest and v8 coverage providers, using a batched parallel execution model to handle large codebases efficiently.

Key Features

01Progressive test writing with immediate coverage verification per test

02Parallel batch processing for efficient handling of large source file lists

031 GitHub stars

04Intelligent consolidation of test fixtures and mocks

05Automated identification and removal of redundant test cases

06Achieves 100% line, branch, and statement coverage automatically

Use Cases

01Optimizing bloated test suites by removing redundant tests while maintaining coverage

02Ensuring new features meet 100% coverage requirements before deployment

03Generating comprehensive test suites for existing legacy or untested codebases

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add alvis/.claude complete-test

For use in Claude.ai and ChatGPT

Download Skill