refactoring magic strings in layout.server file (guard), including new routes and tests

src/routes/(angemeldet)/+layout.server.ts

@@ -1,10 +1,12 @@
 import { redirect, type ServerLoadEvent } from '@sveltejs/kit';
 import type { PageServerLoad } from '../anmeldung/$types';
 
+import { ROUTE_NAMES } from '..';
+
 export const load: PageServerLoad = (event: ServerLoadEvent) => {
-	if (!event.locals.user && event.url.pathname !== '/anmeldung') throw redirect(303, '/anmeldung');
+	if (!event.locals.user && event.url.pathname !== ROUTE_NAMES.ANMELDUNG)
+		throw redirect(303, ROUTE_NAMES.ANMELDUNG);
 	return {
 		user: event.locals.user
-		
 	};
-}
+};

src/routes/index.ts

@@ -17,6 +17,7 @@ export const ROUTE_NAMES = {
 			: `/view/${vorgangToken}/${tatort}`,
 
 	// Anmeldung: actions
+	ANMELDUNG: '/anmeldung',
 	ANMELDUNG_LOGIN: '/anmeldung?/login',
 	ANMELDUNG_LOGOUT: '/anmeldung?/logout'
 };

tests/Layout.test.ts

@@ -0,0 +1,29 @@
+import { describe, test, expect } from 'vitest';
+import { load } from '../src/routes/(angemeldet)/+layout.server';
+import { ROUTE_NAMES } from '../src/routes';
+import { baseData, mockEvent } from './fixtures';
+
+describe('+layout.server load(): Teste korrekte URL', () => {
+	test('Werfe redirect zu /anmeldung wenn User nicht eingeloggt', async () => {
+		const mockEvent = {
+			locals: {
+				user: null
+			},
+			url: new URL(`https://example.com/not-anmeldung`)
+		};
+		try {
+			load(mockEvent);
+			throw new Error('Expected load() to throw');
+		} catch (err) {
+			expect(err.status).toBe(303);
+			expect(err.location).toBe(ROUTE_NAMES.ANMELDUNG);
+		}
+	});
+});
+
+describe('+layout.server load(): Teste erfolgreichen Pfad', () => {
+	test('Werfe kein Fehler', async () => {
+		const result = load(mockEvent);
+		expect(result).toEqual({ user: baseData.user });
+	});
+});

tests/fixtures.ts

@@ -44,3 +44,10 @@ export const baseData = {
 	url: `https://example.com/${testVorgangsList[0].vorgangToken}`,
 	crimeNames: ['modell-A', 'Fall-A']
 };
+
+export const mockEvent = {
+	locals: {
+		user: baseData.user
+	},
+	url: new URL(`https://example.com/anmeldung`)
+};