feat(http): add fetchText/fetchBuffer with timeout and size limits

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-17 15:09:31 +02:00
parent 9ddceb563b
commit 11b6b8fff1
2 changed files with 151 additions and 0 deletions
--- a/tests/integration/http.test.ts
+++ b/tests/integration/http.test.ts
@@ -0,0 +1,60 @@
+import { describe, it, expect, afterEach, beforeEach } from 'vitest';
+import { createServer, type Server } from 'node:http';
+import type { AddressInfo } from 'node:net';
+import { fetchText, fetchBuffer } from '../../src/lib/server/http';
+
+let server: Server;
+let baseUrl: string;
+
+beforeEach(async () => {
+  server = createServer();
+  await new Promise<void>((resolve) => server.listen(0, '127.0.0.1', resolve));
+  const addr = server.address() as AddressInfo;
+  baseUrl = `http://127.0.0.1:${addr.port}`;
+});
+
+afterEach(async () => {
+  await new Promise<void>((resolve) => server.close(() => resolve()));
+});
+
+describe('fetchText', () => {
+  it('returns body text', async () => {
+    server.on('request', (_req, res) => {
+      res.writeHead(200, { 'content-type': 'text/html' });
+      res.end('<html>hi</html>');
+    });
+    expect(await fetchText(`${baseUrl}/`)).toBe('<html>hi</html>');
+  });
+
+  it('rejects non-http schemes', async () => {
+    await expect(fetchText('file:///etc/passwd')).rejects.toThrow(/scheme/i);
+  });
+
+  it('enforces max bytes', async () => {
+    const big = 'x'.repeat(200);
+    server.on('request', (_req, res) => {
+      res.writeHead(200, { 'content-type': 'text/plain' });
+      res.end(big);
+    });
+    await expect(fetchText(`${baseUrl}/`, { maxBytes: 100 })).rejects.toThrow(/exceeds/i);
+  });
+
+  it('times out slow responses', async () => {
+    server.on('request', () => {
+      // never respond
+    });
+    await expect(fetchText(`${baseUrl}/`, { timeoutMs: 150 })).rejects.toThrow();
+  });
+});
+
+describe('fetchBuffer', () => {
+  it('returns bytes + content-type', async () => {
+    server.on('request', (_req, res) => {
+      res.writeHead(200, { 'content-type': 'image/png' });
+      res.end(Buffer.from([1, 2, 3, 4]));
+    });
+    const { data, contentType } = await fetchBuffer(`${baseUrl}/`);
+    expect(Array.from(data)).toEqual([1, 2, 3, 4]);
+    expect(contentType).toBe('image/png');
+  });
+});