Files
familienarchiv/frontend/src/lib/shared/primitives/ThemeToggle.svelte.spec.ts
2026-05-05 14:40:14 +02:00

46 lines
1.4 KiB
TypeScript

import { afterEach, beforeEach, describe, expect, it } from 'vitest';
import { cleanup, render } from 'vitest-browser-svelte';
import { page } from 'vitest/browser';
import ThemeToggle from './ThemeToggle.svelte';
afterEach(() => {
cleanup();
localStorage.removeItem('theme');
});
describe('ThemeToggle — label derivation (light mode)', () => {
beforeEach(() => {
localStorage.setItem('theme', 'light');
});
it('aria-label invites switching to dark mode when theme is light', async () => {
render(ThemeToggle);
const btn = await page.getByRole('button').element();
expect(btn.getAttribute('aria-label')).toBe('Zu dunklem Design wechseln');
});
it('title equals aria-label in light mode', async () => {
render(ThemeToggle);
const btn = await page.getByRole('button').element();
expect(btn.getAttribute('title')).toBe(btn.getAttribute('aria-label'));
});
});
describe('ThemeToggle — label derivation (dark mode)', () => {
beforeEach(() => {
localStorage.setItem('theme', 'dark');
});
it('aria-label invites switching to light mode when theme is dark', async () => {
render(ThemeToggle);
const btn = await page.getByRole('button').element();
expect(btn.getAttribute('aria-label')).toBe('Zu hellem Design wechseln');
});
it('title equals aria-label in dark mode', async () => {
render(ThemeToggle);
const btn = await page.getByRole('button').element();
expect(btn.getAttribute('title')).toBe(btn.getAttribute('aria-label'));
});
});