測試與安全

Configure Spring Boot Actuator for production-grade monitoring, health probes, secured management endpoints, and Micrometer metrics across JVM services.

Unit tests for Spring Security with @PreAuthorize, @Secured, @RolesAllowed. Test role-based access control and authorization policies. Use when validating security configurations and access control logic.

Guidelines for writing robust CLI end-to-end tests using BATS

Expert in Spring Data Neo4j integration patterns for graph database development. Use when working with Neo4j graph databases, node entities, relationships, Cypher queries, reactive Neo4j operations, or Spring Data Neo4j repositories. Essential for graph data modeling, relationship mapping, custom queries, and Neo4j testing strategies.

Unit tests for JSON serialization/deserialization with Jackson and @JsonTest. Use when validating JSON mapping, custom serializers, and date format handling.

Unit tests for scheduled and async tasks using @Scheduled and @Async. Mock task execution and timing. Use when validating asynchronous operations and scheduling behavior.

Configure AWS RDS (Aurora, MySQL, PostgreSQL) with Spring Boot applications. Use when setting up datasources, connection pooling, security, and production-ready database configuration.

Framework-agnostic HTTP API route testing patterns, authentication strategies, and integration testing best practices. Supports REST APIs with JWT cookie authentication and other common auth patterns.

Implement REST API design standards and best practices for Spring Boot projects. Use when creating or reviewing REST endpoints, DTOs, error handling, pagination, security headers, HATEOAS and architecture patterns.

Unit tests for mappers and converters (MapStruct, custom mappers). Test object transformation logic in isolation. Use when ensuring correct data transformation between DTOs and domain objects.

Unit tests for REST controllers using MockMvc and @WebMvcTest. Test request/response mapping, validation, and exception handling. Use when testing web layer endpoints in isolation.

Edge case and boundary testing patterns for unit tests. Testing minimum/maximum values, null cases, empty collections, and numeric precision. Pure JUnit 5 unit tests. Use when ensuring code handles limits and special cases correctly.

Parameterized testing patterns with @ParameterizedTest, @ValueSource, @CsvSource. Run single test method with multiple input combinations. Use when testing multiple scenarios with similar logic.

Core Node.js backend patterns for TypeScript applications including async/await error handling, middleware concepts, configuration management, testing strategies, and layered architecture principles. Use when building Node.js backend services, APIs, or microservices.

Generate AI content (images, videos, audio) using YAML pipelines with 28+ models. Run tests, estimate costs, and manage outputs.

Replace arbitrary timeouts with condition polling for reliable async tests

MANDATORY for ANY bug, test failure, or unexpected behavior - four-phase systematic framework (root cause investigation, pattern analysis, hypothesis testing, implementation) that ensures understanding before attempting solutions. CONSULT THIS SKILL if you find yourself having to fix bugs, test failures, or unexpected behavior.

Never test mock behavior. Never add test-only methods to production classes. Understand dependencies before mocking.

Automated webapp testing with Playwright. Server management, UI testing, visual debugging, and reconnaissance-first approach.

Systematically inspect unit and E2E tests to verify they test the right behavior, provide meaningful coverage, and catch real regressions