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import { render } from '@testing-library/react';
import { describe, expect, test, vi } from 'vitest';
vi.mock('@/app/(main)/layout.config', () => ({
title: 'Blog',
owner: 'Test Owner',
}));
vi.mock('@/lib/constants', () => ({
baseUrl: new URL('http://localhost:3000'),
}));
import { PostJsonLd, TagJsonLd } from './json-ld';
describe('json-ld components', () => {
test('renders post json-ld with blog posting and breadcrumb graph', () => {
const { container } = render(
<PostJsonLd
post={{
id: 1,
title: 'Testing Post',
slug: 'testing-post',
url: '/posts/testing-post',
description: 'A post for tests',
content: null,
image: '/cover.png',
author: 'Alice',
tags: ['testing'],
date: new Date('2025-01-01T00:00:00.000Z'),
createdAt: new Date('2025-01-01T00:00:00.000Z'),
updatedAt: new Date('2025-01-02T00:00:00.000Z'),
}}
/>,
);
const script = container.querySelector('script[type="application/ld+json"]');
expect(script).toBeInTheDocument();
const payload = JSON.parse(script?.innerHTML ?? '{}');
expect(payload['@context']).toBe('https://schema.org');
expect(payload['@graph']).toHaveLength(2);
expect(payload['@graph'][0]['@type']).toBe('BlogPosting');
expect(payload['@graph'][0].mainEntityOfPage['@id']).toBe(
'http://localhost:3000/posts/testing-post',
);
});
test('returns null when post is not provided', () => {
const { container } = render(<PostJsonLd post={null} />);
expect(container.firstChild).toBeNull();
});
test('renders tag json-ld with tag-specific breadcrumb item', () => {
const { container } = render(<TagJsonLd tag='nextjs' />);
const script = container.querySelector('script[type="application/ld+json"]');
expect(script).toBeInTheDocument();
const payload = JSON.parse(script?.innerHTML ?? '{}');
expect(payload['@graph']).toHaveLength(1);
expect(payload['@graph'][0]['@type']).toBe('BreadcrumbList');
expect(payload['@graph'][0].itemListElement[2].item).toBe(
'http://localhost:3000/tags/nextjs',
);
});
});
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