spring-data-neo4j

unit-test-bean-validation

giuseppe-trisciuoglio

Unit testing Jakarta Bean Validation (@Valid, @NotNull, @Min, @Max, etc.) with custom validators and constraint violations. Test validation logic without Spring context. Use when ensuring data integrity and validation rules are correct.

unit-test-mapper-converter

giuseppe-trisciuoglio

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.

sql-optimization-patterns

wshobson

Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries. Use when debugging slow queries, designing database schemas, or optimizing application performance.

unit-test-boundary-conditions

giuseppe-trisciuoglio

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.

unit-test-caching

giuseppe-trisciuoglio

Unit tests for caching behavior using Spring Cache annotations (@Cacheable, @CachePut, @CacheEvict). Use when validating cache configuration and cache hit/miss scenarios.

unit-test-json-serialization

giuseppe-trisciuoglio

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

unit-test-application-events

giuseppe-trisciuoglio

Testing Spring application events (ApplicationEvent) with @EventListener and ApplicationEventPublisher. Test event publishing, listening, and async event handling in Spring Boot applications. Use when validating event-driven workflows in your Spring Boot services.

unit-test-utility-methods

giuseppe-trisciuoglio

Unit tests for utility/helper classes and static methods. Test pure functions and helper logic. Use when validating utility code correctness.

unit-test-exception-handler

giuseppe-trisciuoglio

Unit tests for @ExceptionHandler and @ControllerAdvice for global exception handling. Use when validating error response formatting and HTTP status codes.

unit-test-parameterized

giuseppe-trisciuoglio

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

unit-test-config-properties

giuseppe-trisciuoglio

Unit tests for @ConfigurationProperties classes with @ConfigurationPropertiesTest. Use when validating application configuration binding and validation.

unit-test-scheduled-async

giuseppe-trisciuoglio

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