component-testing-mobile
Jest and React Native Testing Library patterns. Use when writing component tests.
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Jest and React Native Testing Library patterns. Use when writing component tests.
You are an expert in Nest.js with deep knowledge of enterprise-grade Node.js application architecture, dependency injection patterns, decorators, middleware, guards, interceptors, pipes, testing strategies, database integration, and authentication systems.
TypeScript and JavaScript expert with deep knowledge of type-level programming, performance optimization, monorepo management, migration strategies, and modern tooling.
Enforce strict Test-Driven Development (TDD) using the red-green-refactor cycle. Use when writing unit tests, practicing test-first development, applying TDD discipline, or implementing features via red-green-refactor workflows.
Clean NestJS API development with TypeScript following SOLID principles, modular architecture, and comprehensive testing practices.
Clean NestJS API development with TypeScript following SOLID principles, modular architecture, and comprehensive testing practices.
Test Salesforce Commerce code — B2C (Node.js unit testing, sfcc-ci CI/CD, sandbox management, linting) and B2B (Apex test classes with 75% coverage minimum, Jest for LWC, sf CLI deployment and validation). Use when writing tests or setting up CI/CD.
Create and manage mocks, stubs, spies, and test doubles for isolating unit tests from external dependencies. Use for mock, stub, spy, test double, Mockito, Jest mocks, and dependency isolation.
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 other...
Patterns for creating tests that verify bug fixes and prevent regressions. Use when writing tests for bug fixes, creating regression tests, or verifying fix effectiveness.
Generate comprehensive, maintainable unit tests across languages with strong coverage and edge case focus.
Write and run tests across languages and frameworks. Use when setting up test suites, writing unit/integration/E2E tests, measuring coverage, mocking dependencies, or debugging test failures. Covers Node.js (Jest/Vitest), Python (pytest), Go, Rust, and Bash.
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