2026-04-17 15:09:31 +02:00
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import { describe, it, expect, afterEach, beforeEach } from 'vitest';
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import { createServer, type Server } from 'node:http';
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import type { AddressInfo } from 'node:net';
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import { fetchText, fetchBuffer } from '../../src/lib/server/http';
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let server: Server;
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let baseUrl: string;
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beforeEach(async () => {
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server = createServer();
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await new Promise<void>((resolve) => server.listen(0, '127.0.0.1', resolve));
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const addr = server.address() as AddressInfo;
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baseUrl = `http://127.0.0.1:${addr.port}`;
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});
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afterEach(async () => {
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await new Promise<void>((resolve) => server.close(() => resolve()));
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});
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describe('fetchText', () => {
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it('returns body text', async () => {
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server.on('request', (_req, res) => {
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res.writeHead(200, { 'content-type': 'text/html' });
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res.end('<html>hi</html>');
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});
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expect(await fetchText(`${baseUrl}/`)).toBe('<html>hi</html>');
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});
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it('rejects non-http schemes', async () => {
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await expect(fetchText('file:///etc/passwd')).rejects.toThrow(/scheme/i);
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});
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it('enforces max bytes', async () => {
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const big = 'x'.repeat(200);
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server.on('request', (_req, res) => {
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res.writeHead(200, { 'content-type': 'text/plain' });
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res.end(big);
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});
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await expect(fetchText(`${baseUrl}/`, { maxBytes: 100 })).rejects.toThrow(/exceeds/i);
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});
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it('times out slow responses', async () => {
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server.on('request', () => {
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// never respond
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});
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await expect(fetchText(`${baseUrl}/`, { timeoutMs: 150 })).rejects.toThrow();
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});
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2026-04-17 22:33:55 +02:00
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it('allowTruncate returns first maxBytes instead of throwing', async () => {
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const head = '<html><head><title>hi</title></head>';
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const filler = 'x'.repeat(2000);
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server.on('request', (_req, res) => {
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res.writeHead(200, { 'content-type': 'text/html' });
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res.end(head + filler);
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});
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const text = await fetchText(`${baseUrl}/`, { maxBytes: 100, allowTruncate: true });
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// First 100 bytes of body — should contain the <head> opening at least
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expect(text.length).toBeLessThanOrEqual(2048); // chunk boundary may overshoot exact bytes slightly
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expect(text).toContain('<html>');
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expect(text).toContain('<head>');
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});
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2026-04-17 15:09:31 +02:00
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});
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describe('fetchBuffer', () => {
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it('returns bytes + content-type', async () => {
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server.on('request', (_req, res) => {
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res.writeHead(200, { 'content-type': 'image/png' });
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res.end(Buffer.from([1, 2, 3, 4]));
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});
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const { data, contentType } = await fetchBuffer(`${baseUrl}/`);
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expect(Array.from(data)).toEqual([1, 2, 3, 4]);
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expect(contentType).toBe('image/png');
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});
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});
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