test: IPv6 literals support

test/main.js

@@ -2334,3 +2334,33 @@ describe('node-fetch', () => {
 		expect(res.url).to.equal(`${base}m%C3%B6bius`);
 	});
 });
+
+describe('node-fetch using IPv6', () => {
+	const local = new TestServer('[::1]');
+	let base;
+
+	before(async () => {
+		await local.start();
+		base = `http://${local.hostname}:${local.port}/`;
+	});
+
+	after(async () => {
+		return local.stop();
+	});
+
+	it('should resolve into response', () => {
+		const url = `${base}hello`;
+		expect(url).to.contain('[::1]');
+		return fetch(url).then(res => {
+			expect(res).to.be.an.instanceof(Response);
+			expect(res.headers).to.be.an.instanceof(Headers);
+			expect(res.body).to.be.an.instanceof(stream.Transform);
+			expect(res.bodyUsed).to.be.false;
+
+			expect(res.url).to.equal(url);
+			expect(res.ok).to.be.true;
+			expect(res.status).to.equal(200);
+			expect(res.statusText).to.equal('OK');
+		});
+	});
+});

test/utils/server.js

@@ -4,7 +4,7 @@ import {once} from 'events';
 import Busboy from 'busboy';
 
 export default class TestServer {
-	constructor() {
+	constructor(hostname) {
 		this.server = http.createServer(this.router);
 		// Node 8 default keepalive timeout is 5000ms
 		// make it shorter here as we want to close server quickly at the end of tests
@@ -15,10 +15,15 @@ export default class TestServer {
 		this.server.on('connection', socket => {
 			socket.setTimeout(1500);
 		});
+		this.hostname = hostname || 'localhost';
 	}
 
 	async start() {
-		this.server.listen(0, 'localhost');
+		let host = this.hostname;
+		if (host.startsWith('[')) {
+			host = host.slice(1, -1);
+		}
+		this.server.listen(0, host);
 		return once(this.server, 'listening');
 	}
 
@@ -31,10 +36,6 @@ export default class TestServer {
 		return this.server.address().port;
 	}
 
-	get hostname() {
-		return 'localhost';
-	}
-
 	mockResponse(responseHandler) {
 		this.server.nextResponseHandler = responseHandler;
 		return `http://${this.hostname}:${this.port}/mocked`;