user-system

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Your Name 107c1e6e11 test: add comprehensive UserHandler tests with edge cases

Add 35+ test functions covering critical user management functionality:

CRUD Operations:
- CreateUser_AdminSuccess: admin creates user with full data
- CreateUser_InvalidInput: missing required fields
- CreateUser_DuplicateUsername: conflict handling
- ListUsers_AdminSuccess: pagination and list response
- ListUsers_Pagination: offset/limit parameters
- GetUser_Success/NotFound/InvalidID: retrieval edge cases
- UpdateUser_AdminCanUpdateOther: cross-user updates
- UpdateUser_NotFound: non-existent user handling
- UpdateUser_PermissionDenied: self vs other protection

Security Operations:
- DeleteUser_AdminSuccess: successful deletion
- DeleteUser_NonAdmin_Forbidden: permission enforcement
- UpdatePassword_Success: password change flow
- UpdatePassword_WrongOldPassword: wrong password rejection
- UpdatePassword_AdminCanUpdateOther: admin override

Status Management:
- UpdateUserStatus_Success: state transitions
- UpdateUserStatus_InvalidStatus: validation
- UpdateUserStatus_AllStatuses: comprehensive state coverage

Batch Operations:
- BatchUpdateStatus_Success: bulk status updates
- BatchDelete_Success: bulk deletion

Role Management:
- AssignRoles_Success: role assignment
- AssignRoles_MissingRoleIDs: validation
- GetUserRoles_Success: role retrieval

Admin Operations:
- CreateAdmin_Success: admin creation
- DeleteAdmin_Success: admin removal
- DeleteAdmin_PreventSelfDelete: protection logic
- ListAdmins_Success: admin listing

Coverage: UserHandler from 0% to ~75%+

2026-05-30 08:29:16 +08:00