Generating Unit Tests
This skill empowers Claude to rapidly create robust unit tests, saving developers time and ensuring code quality. It analyzes source code, identifies key functionalities, and generates test cases covering various scenarios, including happy paths, edge cases, and error conditions.
Install
/plugin marketplace add jeremylongshore/claude-code-plugins-plus-skills
/plugin install unit-test-generator@claude-code-plugins-plusRun these inside Claude Code. The skill comes with its plugin.
What this skill does
This skill enables Claude to automatically generate comprehensive unit tests from source code. It is triggered when the user requests unit tests, test cases, or test suites for specific files or code snippets. The skill supports multiple testing frameworks including Jest, pytest, JUnit, and others, intelligently detecting the appropriate framework or using one specified by the user. Use this skill when the user asks to "generate tests", "create unit tests", or uses the shortcut "gut" followed by a file path.
Trigger phrases
Claude loads this skill automatically when you say things like:
How it works
- Determine Testing Framework: The skill either detects the appropriate testing framework based on the file type and project structure or uses the framework specified by the user.
- Generate Test Cases: The skill generates comprehensive test cases, including tests for valid inputs, invalid inputs, boundary conditions, and error scenarios.
- Create Mock Dependencies: The skill automatically creates mocks and stubs for external dependencies to isolate the code being tested.
- Output Test File: The skill outputs a new test file containing the generated test cases, imports, setup, and assertions.
When to use it
- Create unit tests for a specific file or code snippet.
- Generate test cases for a function, class, or module.
- Quickly add test coverage to existing code.
- Ensure code quality and prevent regressions.
Best practices
- File Granularity: Generate tests for individual files or modules to maintain focus and testability.
- Review and Refine: Always review and refine the generated tests to ensure they accurately reflect the desired behavior and coverage.
Details
- Skill name
generating-unit-tests- Plugin
- unit-test-generator
FAQ
What does the Generating Unit Tests skill do?
This skill enables Claude to automatically generate comprehensive unit tests from source code. It is triggered when the user requests unit tests, test cases, or test suites for specific files or code snippets. The skill supports multiple testing frameworks including Jest, pytest, JUnit, and others, intelligently detecting the appropriate framework or using one specified by the user. Use this skill when the user asks to "generate tests", "create unit tests", or uses the shortcut "gut" followed by a file path.
How do I install the Generating Unit Tests skill?
Claude Code plugin: /plugin marketplace add jeremylongshore/claude-code-plugins-plus-skills then /plugin install unit-test-generator@claude-code-plugins-plus. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.
Related skills
000 Jeremy Content Consistency Validator
jeremylongshore/claude-code-plugins-plus-skills
Validates messaging consistency across website, GitHub repositories, and local documentation. Generates comprehensive read-only discrepancy reports showing where messaging conflicts or inconsistencies exist. Activates when user mentions "consistency check", "validate documentation", "check for mixed messaging", "audit content consistency", or before updating internal paperwork.
001 Jeremy Taskwarrior Integration
jeremylongshore/claude-code-plugins-plus-skills
Enforces complete Taskwarrior integration protocol for ALL coding tasks. Activates automatically when user mentions "taskwarrior", "task warrior", "tw", or discusses task management. Decomposes all coding work into properly tracked Taskwarrior tasks with full lifecycle: task add → task start → implementation → task done. Integrates with Timewarrior for automatic time tracking.
Adapting Transfer Learning Models
jeremylongshore/claude-code-plugins-plus-skills
This skill automates the adaptation of pre-trained machine learning models using transfer learning techniques. It is triggered when the user requests assistance with fine-tuning a model, adapting a pre-trained model to a new dataset, or performing transfer learning. It analyzes the user's requirements, generates code for adapting the model, includes data validation and error handling, provides performance metrics, and saves artifacts with documentation. Use this skill when you need to leverage existing models for new tasks or datasets, optimizing for performance and efficiency.
Integrate Whatsapp
gokapso/agent-skills
Connect WhatsApp to your product with Kapso: onboard customers with setup links, detect connections, receive events via webhooks, and send messages/templates/media. Also manage WhatsApp Flows (create/update/publish, data endpoints, encryption). Use when integrating WhatsApp end-to-end.
Generating Test Reports
jeremylongshore/claude-code-plugins-plus-skills
This skill generates comprehensive test reports with coverage metrics, trends, and stakeholder-friendly formats (HTML, PDF, JSON). It aggregates test results from various frameworks, calculates key metrics (coverage, pass rate, duration), and performs trend analysis. Use this skill when the user requests a test report, coverage analysis, failure analysis, or historical comparisons of test runs. Trigger terms include "test report", "coverage report", "testing trends", "failure analysis", and "historical test data".
Managing Database Testing
jeremylongshore/claude-code-plugins-plus-skills
This skill manages database testing by generating test data, wrapping tests in transactions, and validating database schemas. It is used to create robust and reliable database interactions. Claude uses this skill when the user requests database testing utilities, including test data generation, transaction management, schema validation, or migration testing. Trigger this skill by mentioning "database testing," "test data factories," "transaction rollback," "schema validation," or using the `/db-test` or `/dbt` commands.
Browse the most popular Claude skills, all testing & qa skills, or write your own with the skills generator.