unit-test-caching

Testing Spring Cache annotations without external infrastructure using in-memory cache managers. This skill provides patterns for unit testing Spring caching annotations ( @Cacheable , @CacheEvict , @CachePut ) without full Spring context. It covers cache hits/misses, invalidation, key generation, and conditional caching using in-memory ConcurrentMapCacheManager . Validation checkpoints: - Covers testing @Cacheable , @CacheEvict , and @CachePut annotations with patterns for verifying cache hits, misses, and invalidation - Uses ConcurrentMapCacheManager for fast, isolated unit tests instead of Redis or other external caches - Includes verification strategies via mock call counts, conditional caching with unless and condition parameters, and custom cache key generation with SpEL expressions - Provides setup examples for Maven and Gradle, plus complete test patterns for cache behavior, eviction, updates, and edge cases like null result handling - Writing unit tests for @Cacheable method behavior - Verifying @CacheEvict cache invalidation works correctly - Testing @CachePut cache updates - Validating cache key generation from SpEL expressions - Testing conditional caching with unless / condition parameters - Mocking cache managers in fast unit tests without Redis - Configure in-memory CacheManager : Use ConcurrentMapCacheManager for tests - Set up test fixtures : Mock repository...