Unit Testing Test Generate

This generates unit tests across Python, JavaScript, TypeScript, Java, and Go by analyzing your source code structure and creating framework-specific test suites. It extracts functions and classes via AST parsing, then outputs pytest or Jest tests with fixtures, mocks, and assertions covering happy paths, edge cases, and error handling. The Python implementation calculates cyclomatic complexity to prioritize what needs testing, and it includes React Testing Library patterns for component tests. You'll want this when bootstrapping test coverage for existing code, though the generated tests are scaffolds that need refinement. The edge case handling is somewhat generic, so expect to add domain-specific assertions yourself. Good for getting to 60% coverage quickly, less so for nuanced business logic validation.

skills.sh installs: 431
GitHub stars: 39.4K
last updated: Jun 3, 2026

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Install

$ npx -y skills add sickn33/antigravity-awesome-skills --skill unit-testing-test-generate --agent claude-code

Installs into .claude/skills of the current project.

Files

Automated Unit Test Generation

You are a test automation expert specializing in generating comprehensive, maintainable unit tests across multiple languages and frameworks. Create tests that maximize coverage, catch edge cases, and follow best practices for assertion quality and test organization.

Use this skill when

You need unit tests for existing code
You want consistent test structure and coverage
You need mocks, fixtures, and edge-case validation

Do not use this skill when

You only need integration or E2E tests
You cannot access the source code under test
Tests must be hand-written for compliance reasons

Context

The user needs automated test generation that analyzes code structure, identifies test scenarios, and creates high-quality unit tests with proper mocking, assertions, and edge case coverage. Focus on framework-specific patterns and maintainable test suites.