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2 changes: 1 addition & 1 deletion package.json
Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,7 @@
"tailwindcss": "4.2.2",
"tsx": "4.21.0",
"typescript-eslint": "^8.33.1",
"vitest": "4.0.18",
"vitest": "4.1.2",
"zod": "^3.22.4"
}
}
156 changes: 72 additions & 84 deletions pnpm-lock.yaml

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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import { describe, it, expect, vi, beforeEach } from 'vitest';
import { fetchPageMetadata } from './index';
import { fetchPageMetadata } from './fetchPageMetadata';

// fetchをモック
const mockFetch = vi.fn();
Expand Down Expand Up @@ -109,6 +109,48 @@ describe('fetchPageMetadata', () => {
expect(mockFetch).toHaveBeenCalledTimes(2);
});

it('相対URLの画像パスを絶対URLに解決する', async () => {
mockFetch.mockResolvedValueOnce({
ok: true,
status: 200,
headers: new Headers(),
text: () =>
Promise.resolve(`
<html>
<head>
<title>Relative Image Test</title>
<meta property="og:image" content="/images/hero.jpg" />
</head>
</html>
`),
});

const result = await fetchPageMetadata('https://example.com/page');

expect(result.imageUrl).toBe('https://example.com/images/hero.jpg');
});

it('空文字列のog:imageをスキップする', async () => {
mockFetch.mockResolvedValueOnce({
ok: true,
status: 200,
headers: new Headers(),
text: () =>
Promise.resolve(`
<html>
<head>
<title>Empty Image Test</title>
<meta property="og:image" content="" />
</head>
</html>
`),
});

const result = await fetchPageMetadata('https://example.com');

expect(result.imageUrl).toBeNull();
});

it('無効なURLでもエラーをスローせずフォールバックする', async () => {
mockFetch.mockResolvedValue({
ok: false,
Expand Down
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