From 5f24ad5620a5b35d92b0db3594099eab4ffbb28a Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= <jerome.benoit@sap.com>
Date: Fri, 27 Mar 2026 17:43:03 +0100
Subject: [PATCH] refactor: use `OCPP20MessageFormatEnumType` instead of string
 literal union

---
 src/charging-station/ocpp/auth/types/AuthTypes.ts          | 3 ++-
 tests/charging-station/ocpp/auth/utils/AuthHelpers.test.ts | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/charging-station/ocpp/auth/types/AuthTypes.ts b/src/charging-station/ocpp/auth/types/AuthTypes.ts
index 414fc093..a96625d5 100644
--- a/src/charging-station/ocpp/auth/types/AuthTypes.ts
+++ b/src/charging-station/ocpp/auth/types/AuthTypes.ts
@@ -1,4 +1,5 @@
 import type { JsonObject, OCPPVersion } from '../../../../types/index.js'
+import type { OCPP20MessageFormatEnumType } from '../../../../types/index.js'
 
 import {
   OCPP16AuthorizationStatus,
@@ -181,7 +182,7 @@ export interface AuthorizationResult {
   /** Personal message for user display */
   readonly personalMessage?: {
     content: string
-    format: 'ASCII' | 'HTML' | 'URI' | 'UTF8'
+    format: OCPP20MessageFormatEnumType
     language?: string
   }
 
diff --git a/tests/charging-station/ocpp/auth/utils/AuthHelpers.test.ts b/tests/charging-station/ocpp/auth/utils/AuthHelpers.test.ts
index 64a6c556..ba032bfe 100644
--- a/tests/charging-station/ocpp/auth/utils/AuthHelpers.test.ts
+++ b/tests/charging-station/ocpp/auth/utils/AuthHelpers.test.ts
@@ -14,6 +14,7 @@ import {
   type UnifiedIdentifier,
 } from '../../../../../src/charging-station/ocpp/auth/types/AuthTypes.js'
 import { AuthHelpers } from '../../../../../src/charging-station/ocpp/auth/utils/AuthHelpers.js'
+import { OCPP20MessageFormatEnumType } from '../../../../../src/types/index.js'
 import { standardCleanup } from '../../../../helpers/TestLifecycleHelpers.js'
 
 await describe('AuthHelpers', async () => {
@@ -444,7 +445,7 @@ await describe('AuthHelpers', async () => {
         method: AuthenticationMethod.LOCAL_LIST,
         personalMessage: {
           content: 'Welcome',
-          format: 'ASCII',
+          format: OCPP20MessageFormatEnumType.ASCII,
         },
         status: AuthorizationStatus.ACCEPTED,
         timestamp: new Date('2024-01-01T00:00:00Z'),
-- 
2.53.0