authorization▌

Unit testing patterns for Spring Security authorization annotations and role-based access control. \n \n Covers @PreAuthorize , @Secured , and @RolesAllowed method-level security with @WithMockUser test fixtures \n Includes role-based access control (RBAC), expression-based authorization, and custom PermissionEvaluator testing \n Provides MockMvc patterns for testing secured REST endpoints and parameterized role testing strategies \n Demonstrates both allow and deny scenarios, owner-based access