Testing skills

This skill helps frontend teams apply rigorous technical decision criteria and anti-pattern knowledge to QA, design decisions, and debugging workflows.

This skill guides technical decision making, detects anti-patterns, and improves code quality and QA workflows for AI development projects.

This skill helps you apply language-agnostic coding principles to improve maintainability, readability, and quality across features and refactors.

This skill helps you apply language-agnostic testing principles to design reliable tests, rapid feedback, and maintainable QA strategies.

This skill helps you build and validate signal-based Angular forms with automatic binding and dynamic fields using the Signal Forms API.

This skill helps Angular developers implement routing v20+ with lazy loading, guards, resolvers, and signal-based parameters for robust navigation.

This skill helps you maximize Angular v20+ development efficiency by guiding project setup, code generation, building, testing, and configuration.

This skill helps Angular developers write robust unit and integration tests using Vitest or Jasmine, including signals, OnPush, and HTTP interactions.

This skill analyzes Scalus/Cardano on-chain validators for security vulnerabilities and guides remediation before deployment, with precise findings.

This skill streamlines Spring Boot dependency injection by enforcing constructor-first patterns, optional collaborators, and explicit bean configuration to

This skill helps you implement Clean Architecture, Hexagonal Architecture and DDD in PHP/Symfony, ensuring testable, framework-agnostic domain logic.

This skill guides unit testing of Spring Cache annotations using in-memory caches to verify hits, misses, eviction, and key generation.

This skill guides you to test Spring ApplicationEvent publishing and listeners with JUnit, Mockito, and AssertJ for fast, reliable event-driven tests.

This skill provides patterns for unit testing JSON serialization and deserialization with Jackson and JsonTest to validate mappings and formats.

This skill provides patterns for unit testing mappers and converters to verify accurate data transformations between DTOs and domain objects.

This skill helps you unit test REST controllers with MockMvc by isolating the web layer and validating requests, responses, and errors.

This skill helps you validate @ConfigurationProperties bindings with ApplicationContextRunner, ensuring proper binding, validation, defaults, profiles, and

This skill helps you apply comprehensive unit-test boundary patterns, covering min/max values, nulls, empties, precision, and edge cases across Java/Python

This skill helps you unit-test Jakarta Bean Validation with patterns and examples for built-in constraints and custom validators.

This skill provides testing strategies for LangChain4J applications, enabling reliable unit, integration, and end-to-end tests with mocks and Testcontainers.

This skill helps you validate exception handling in Spring controllers by testing @ExceptionHandler and @ControllerAdvice with MockMvc for precise error