import { describe, expect, it } from 'vitest';
import { buildPageTitle, getAppName } from '../appTitle';

describe('app title helpers', () => {
    it('falls back to Fotospiel when VITE_APP_NAME is missing', () => {
        const original = import.meta.env.VITE_APP_NAME;
        // @ts-expect-error - import.meta.env is mutable in vitest
        import.meta.env.VITE_APP_NAME = '';

        expect(getAppName()).toBe('Fotospiel');
        expect(buildPageTitle('Demo')).toBe('Demo - Fotospiel');

        // @ts-expect-error - restore original value
        import.meta.env.VITE_APP_NAME = original;
    });

    it('uses the configured VITE_APP_NAME when available', () => {
        const original = import.meta.env.VITE_APP_NAME;
        // @ts-expect-error - import.meta.env is mutable in vitest
        import.meta.env.VITE_APP_NAME = 'Fotospiel App';

        expect(getAppName()).toBe('Fotospiel App');
        expect(buildPageTitle('Demo')).toBe('Demo - Fotospiel App');

        // @ts-expect-error - restore original value
        import.meta.env.VITE_APP_NAME = original;
    });
});