Testing

Provides detailed guidance for writing bundler tests using Bun's itBundled/expectBundled framework. Covers test setup, file organization, bundler options, runtime verification, and error handling with concrete code examples.

A comprehensive guide for programmatically testing MassGen's multi-agent system with clear workflows for automation and visual evaluation, featuring robust monitoring capabilities.

Provides detailed guidance for testing HashQL compiler code using compiletest UI tests, unit tests, and insta snapshots. Covers test structure, annotation syntax, debugging failures, and updating expected outputs with --bless. Includes concrete examples for different testing scenarios and clear command references.

This skill provides concrete testing methodology with pyramid distribution guidelines, framework-specific patterns, and anti-pattern examples. It covers Jest and Pytest with practical code samples for unit, integration, and E2E testing strategies.

A comprehensive Chrome DevTools MCP skill providing robust browser automation, debugging, and performance analysis capabilities with excellent documentation and practical examples.

A comprehensive and practical guide for testing JSON serialization/deserialization using Spring's @JsonTest, covering common scenarios with clear examples and best practices.

This skill provides concrete guidance for managing test environments using Infrastructure as Code, Docker, and service virtualization. It includes specific examples for Docker Compose, Terraform, and cost optimization scripts. The skill helps teams avoid 'works on my machine' issues by ensuring environment parity with production.

A well-structured and practical guide for unit testing Jakarta Bean Validation with comprehensive examples covering standard constraints, custom validators, and proper assertion patterns.

This skill provides a structured approach to regression testing with intelligent test selection based on code changes and risk. It offers concrete strategies for different scenarios (per-commit, nightly, pre-release) and includes practical examples for CI/CD integration and test optimization.

Provides concrete testing strategies for LangChain4j applications, including mock setup, Testcontainers integration, and workflow validation. Offers specific code examples for unit and integration tests with Java.

Provides concrete JUnit 5 patterns for testing boundary conditions like integer limits, null/empty inputs, and collection edges. Includes code examples for numeric overflow, string whitespace, and date boundaries. Focuses on systematic edge case coverage rather than generic testing advice.

An exceptionally practical and opinionated guide for writing reliable Playwright tests, emphasizing complete coverage, deterministic waits, and strategic mocking with clear anti-patterns and actionable solutions.