import assert from 'node:assert/strict';
import test from 'node:test';
import { fetchNormalizedUrl } from '../dist/fetch.js';
import { dispatcher as expectedDispatcher } from '../dist/fetch.js';
test('fetch pipeline always passes the undici dispatcher into fetch()', async () => {
const originalFetch: typeof fetch = fetch;
let called = false;
const mockedFetch: typeof fetch = (async (
input: RequestInfo | URL,
init?: RequestInit
): Promise<Response> => {
void input;
called = true;
assert.ok(init);
assert.equal(
(init as RequestInit & { dispatcher?: unknown }).dispatcher,
expectedDispatcher
);
assert.equal(init.redirect, 'manual');
return new Response('ok', { status: 200 });
}) as typeof fetch;
try {
(globalThis as typeof globalThis & { fetch: typeof fetch }).fetch =
mockedFetch;
const text = await fetchNormalizedUrl('https://example.com');
assert.equal(text, 'ok');
assert.equal(called, true);
} finally {
(globalThis as typeof globalThis & { fetch: typeof fetch }).fetch =
originalFetch;
}
});
