import assert from 'node:assert/strict';
import { describe, it } from 'node:test';
import { createCorsMiddleware } from '../dist/http.js';
function createNextTracker() {
let nextCalled = 0;
const next = () => {
nextCalled += 1;
};
return { next, getCalls: () => nextCalled };
}
function createCorsRequest(method: string) {
return {
headers: { origin: 'https://client.test' },
method,
};
}
function createCorsResponseCapture() {
const headers: Record<string, string> = {};
let statusSent: number | undefined;
const res = {
header: (key: string, value: string) => {
headers[key] = value;
return res;
},
sendStatus: (code: number) => {
statusSent = code;
return res;
},
};
return { res, headers, getStatusSent: () => statusSent };
}
function testHandlesOptionsPreflight() {
const middleware = createCorsMiddleware();
const { res, getStatusSent } = createCorsResponseCapture();
const req = createCorsRequest('OPTIONS');
const { next, getCalls } = createNextTracker();
middleware(req as never, res as never, next);
assert.equal(getStatusSent(), 200);
assert.equal(getCalls(), 0);
}
function testPassesThroughNonOptionsRequests() {
const middleware = createCorsMiddleware();
const res = { header: () => res, sendStatus: () => res };
const req = createCorsRequest('POST');
const { next, getCalls } = createNextTracker();
middleware(req as never, res as never, next);
assert.equal(getCalls(), 1);
}
function registerCorsMiddlewareTests() {
describe('createCorsMiddleware', () => {
it('handles OPTIONS preflight', () => {
testHandlesOptionsPreflight();
});
it('passes through non-OPTIONS requests', () => {
testPassesThroughNonOptionsRequests();
});
});
}
registerCorsMiddlewareTests();
