node-agent-base/test/test-legacy.js

690 lines
17 KiB
JavaScript

/**
* Module dependencies.
*/
var fs = require('fs');
var url = require('url');
var net = require('net');
var tls = require('tls');
var http = require('http');
var https = require('https');
var WebSocket = require('ws');
var assert = require('assert');
var events = require('events');
var inherits = require('util').inherits;
var Agent = require('../src');
var PassthroughAgent = Agent(function(req, opts) {
return opts.secureEndpoint ? https.globalAgent : http.globalAgent;
});
describe('Agent (JavaScript)', function() {
describe('subclass', function() {
it('should be subclassable', function(done) {
function MyAgent() {
Agent.call(this);
}
inherits(MyAgent, Agent);
MyAgent.prototype.callback = function(req, opts, fn) {
assert.equal(req.path, '/foo');
assert.equal(req.getHeader('host'), '127.0.0.1:1234');
assert.equal(opts.secureEndpoint, true);
done();
};
var info = url.parse('https://127.0.0.1:1234/foo');
info.agent = new MyAgent();
assert(info.agent instanceof Agent);
assert(info.agent instanceof MyAgent);
https.get(info);
});
});
describe('options', function() {
it('should support an options Object as first argument', function() {
var agent = new Agent({ timeout: 1000 });
assert.equal(1000, agent.timeout);
});
it('should support an options Object as second argument', function() {
var agent = new Agent(function() {}, { timeout: 1000 });
assert.equal(1000, agent.timeout);
});
});
describe('`this` context', function() {
it('should be the Agent instance', function(done) {
var called = false;
var agent = new Agent();
agent.callback = function() {
called = true;
assert.equal(this, agent);
};
var info = url.parse('http://127.0.0.1/foo');
info.agent = agent;
var req = http.get(info);
req.on('error', function(err) {
assert(/no Duplex stream was returned/.test(err.message));
done();
});
});
it('should be the Agent instance with callback signature', function(done) {
var called = false;
var agent = new Agent();
agent.callback = function(req, opts, fn) {
called = true;
assert.equal(this, agent);
fn();
};
var info = url.parse('http://127.0.0.1/foo');
info.agent = agent;
var req = http.get(info);
req.on('error', function(err) {
assert(/no Duplex stream was returned/.test(err.message));
done();
});
});
});
describe('"error" event', function() {
it('should be invoked on `http.ClientRequest` instance if `callback()` has not been defined', function(done) {
var agent = new Agent();
var info = url.parse('http://127.0.0.1/foo');
info.agent = agent;
var req = http.get(info);
req.on('error', function(err) {
assert.equal(
'"agent-base" has no default implementation, you must subclass and override `callback()`',
err.message
);
done();
});
});
it('should be invoked on `http.ClientRequest` instance if Error passed to callback function on the first tick', function(done) {
var agent = new Agent(function(req, opts, fn) {
fn(new Error('is this caught?'));
});
var info = url.parse('http://127.0.0.1/foo');
info.agent = agent;
var req = http.get(info);
req.on('error', function(err) {
assert.equal('is this caught?', err.message);
done();
});
});
it('should be invoked on `http.ClientRequest` instance if Error passed to callback function after the first tick', function(done) {
var agent = new Agent(function(req, opts, fn) {
setTimeout(function() {
fn(new Error('is this caught?'));
}, 10);
});
var info = url.parse('http://127.0.0.1/foo');
info.agent = agent;
var req = http.get(info);
req.on('error', function(err) {
assert.equal('is this caught?', err.message);
done();
});
});
});
describe('artificial "streams"', function() {
it('should send a GET request', function(done) {
var stream = new events.EventEmitter();
// needed for the `http` module to call .write() on the stream
stream.writable = true;
stream.write = function(str) {
assert(0 == str.indexOf('GET / HTTP/1.1'));
done();
};
// needed for `http` module in Node.js 4
stream.cork = function() {};
stream.uncork = function() {};
var opts = {
method: 'GET',
host: '127.0.0.1',
path: '/',
port: 80,
agent: new Agent(function(req, opts, fn) {
fn(null, stream);
})
};
var req = http.request(opts);
req.end();
});
it('should receive a GET response', function(done) {
var stream = new events.EventEmitter();
var opts = {
method: 'GET',
host: '127.0.0.1',
path: '/',
port: 80,
agent: new Agent(function(req, opts, fn) {
fn(null, stream);
})
};
var req = http.request(opts, function(res) {
assert.equal('1.0', res.httpVersion);
assert.equal(200, res.statusCode);
assert.equal('bar', res.headers.foo);
assert.deepEqual(['1', '2'], res.headers['set-cookie']);
done();
});
// have to wait for the "socket" event since `http.ClientRequest`
// doesn't *actually* attach the listeners to the "stream" until
// this happens
req.once('socket', function() {
var buf = Buffer.from(
'HTTP/1.0 200\r\n' +
'Foo: bar\r\n' +
'Set-Cookie: 1\r\n' +
'Set-Cookie: 2\r\n\r\n'
);
stream.emit('data', buf);
});
req.end();
});
});
describe('"http" module', function() {
var server;
var port;
// setup test HTTP server
before(function(done) {
server = http.createServer();
server.listen(0, function() {
port = server.address().port;
done();
});
});
beforeEach(function() {
server.removeAllListeners('request');
});
// shut down test HTTP server
after(function(done) {
server.once('close', function() {
done();
});
server.close();
});
it('should work for basic HTTP requests', function(done) {
var called = false;
var agent = new Agent(function(req, opts, fn) {
called = true;
var socket = net.connect(opts);
fn(null, socket);
});
// add HTTP server "request" listener
var gotReq = false;
server.once('request', function(req, res) {
gotReq = true;
res.setHeader('X-Foo', 'bar');
res.setHeader('X-Url', req.url);
res.end();
});
var info = url.parse('http://127.0.0.1:' + port + '/foo');
info.agent = agent;
http.get(info, function(res) {
assert.equal('bar', res.headers['x-foo']);
assert.equal('/foo', res.headers['x-url']);
assert(gotReq);
assert(called);
done();
});
});
it('should support direct return in `connect()`', function(done) {
var called = false;
var agent = new Agent(function(req, opts) {
called = true;
return net.connect(opts);
});
// add HTTP server "request" listener
var gotReq = false;
server.once('request', function(req, res) {
gotReq = true;
res.setHeader('X-Foo', 'bar');
res.setHeader('X-Url', req.url);
res.end();
});
var info = url.parse('http://127.0.0.1:' + port + '/foo');
info.agent = agent;
http.get(info, function(res) {
assert.equal('bar', res.headers['x-foo']);
assert.equal('/foo', res.headers['x-url']);
assert(gotReq);
assert(called);
done();
});
});
it('should support returning a Promise in `connect()`', function(done) {
var called = false;
var agent = new Agent(function(req, opts) {
return new Promise(function(resolve, reject) {
called = true;
resolve(net.connect(opts));
});
});
// add HTTP server "request" listener
var gotReq = false;
server.once('request', function(req, res) {
gotReq = true;
res.setHeader('X-Foo', 'bar');
res.setHeader('X-Url', req.url);
res.end();
});
var info = url.parse('http://127.0.0.1:' + port + '/foo');
info.agent = agent;
http.get(info, function(res) {
assert.equal('bar', res.headers['x-foo']);
assert.equal('/foo', res.headers['x-url']);
assert(gotReq);
assert(called);
done();
});
});
it('should set the `Connection: close` response header', function(done) {
var called = false;
var agent = new Agent(function(req, opts, fn) {
called = true;
var socket = net.connect(opts);
fn(null, socket);
});
// add HTTP server "request" listener
var gotReq = false;
server.once('request', function(req, res) {
gotReq = true;
res.setHeader('X-Url', req.url);
assert.equal('close', req.headers.connection);
res.end();
});
var info = url.parse('http://127.0.0.1:' + port + '/bar');
info.agent = agent;
http.get(info, function(res) {
assert.equal('/bar', res.headers['x-url']);
assert.equal('close', res.headers.connection);
assert(gotReq);
assert(called);
done();
});
});
it('should pass through options from `http.request()`', function(done) {
var agent = new Agent(function(req, opts, fn) {
assert.equal('google.com', opts.host);
assert.equal('bar', opts.foo);
done();
});
http.get({
host: 'google.com',
foo: 'bar',
agent: agent
});
});
it('should default to port 80', function(done) {
var agent = new Agent(function(req, opts, fn) {
assert.equal(80, opts.port);
done();
});
// (probably) not hitting a real HTTP server here,
// so no need to add a httpServer request listener
http.get({
host: '127.0.0.1',
path: '/foo',
agent: agent
});
});
it('should support the "timeout" option', function(done) {
// ensure we timeout after the "error" event had a chance to trigger
this.timeout(1000);
this.slow(800);
var agent = new Agent(
function(req, opts, fn) {
// this function will time out
},
{ timeout: 100 }
);
var opts = url.parse('http://nodejs.org');
opts.agent = agent;
var req = http.get(opts);
req.once('error', function(err) {
assert.equal('ETIMEOUT', err.code);
req.abort();
done();
});
});
it('should free sockets after use', function(done) {
var agent = new Agent(function(req, opts, fn) {
var socket = net.connect(opts);
fn(null, socket);
});
// add HTTP server "request" listener
var gotReq = false;
server.once('request', function(req, res) {
gotReq = true;
res.end();
});
var info = url.parse('http://127.0.0.1:' + port + '/foo');
info.agent = agent;
http.get(info, function(res) {
res.socket.emit('free');
assert.equal(true, res.socket.destroyed);
assert(gotReq);
done();
});
});
describe('PassthroughAgent', function() {
it('should pass through to `http.globalAgent`', function(done) {
// add HTTP server "request" listener
var gotReq = false;
server.once('request', function(req, res) {
gotReq = true;
res.setHeader('X-Foo', 'bar');
res.setHeader('X-Url', req.url);
res.end();
});
var info = url.parse('http://127.0.0.1:' + port + '/foo');
info.agent = PassthroughAgent;
http.get(info, function(res) {
assert.equal('bar', res.headers['x-foo']);
assert.equal('/foo', res.headers['x-url']);
assert(gotReq);
done();
});
});
});
});
describe('"https" module', function() {
var server;
var port;
// setup test HTTPS server
before(function(done) {
var options = {
key: fs.readFileSync(__dirname + '/ssl-cert-snakeoil.key'),
cert: fs.readFileSync(__dirname + '/ssl-cert-snakeoil.pem')
};
server = https.createServer(options);
server.listen(0, function() {
port = server.address().port;
done();
});
});
beforeEach(function() {
server.removeAllListeners('request');
});
// shut down test HTTP server
after(function(done) {
server.once('close', function() {
done();
});
server.close();
});
it('should not modify the passed in Options object', function(done) {
var called = false;
var agent = new Agent(function(req, opts, fn) {
called = true;
assert.equal(true, opts.secureEndpoint);
assert.equal(443, opts.port);
assert.equal('localhost', opts.host);
});
var opts = { agent: agent };
var req = https.request(opts);
assert.equal(true, called);
assert.equal(false, 'secureEndpoint' in opts);
assert.equal(false, 'port' in opts);
done();
});
it('should work with a String URL', function(done) {
var endpoint = 'https://127.0.0.1:' + port;
var req = https.get(endpoint);
// it's gonna error out since `rejectUnauthorized` is not being passed in
req.on('error', function(err) {
assert.equal(err.code, 'DEPTH_ZERO_SELF_SIGNED_CERT');
done();
});
});
it('should work for basic HTTPS requests', function(done) {
var called = false;
var agent = new Agent(function(req, opts, fn) {
called = true;
assert(opts.secureEndpoint);
var socket = tls.connect(opts);
fn(null, socket);
});
// add HTTPS server "request" listener
var gotReq = false;
server.once('request', function(req, res) {
gotReq = true;
res.setHeader('X-Foo', 'bar');
res.setHeader('X-Url', req.url);
res.end();
});
var info = url.parse('https://127.0.0.1:' + port + '/foo');
info.agent = agent;
info.rejectUnauthorized = false;
https.get(info, function(res) {
assert.equal('bar', res.headers['x-foo']);
assert.equal('/foo', res.headers['x-url']);
assert(gotReq);
assert(called);
done();
});
});
it('should pass through options from `https.request()`', function(done) {
var agent = new Agent(function(req, opts, fn) {
assert.equal('google.com', opts.host);
assert.equal('bar', opts.foo);
done();
});
https.get({
host: 'google.com',
foo: 'bar',
agent: agent
});
});
it('should default to port 443', function(done) {
var agent = new Agent(function(req, opts, fn) {
assert.equal(true, opts.secureEndpoint);
assert.equal(false, opts.rejectUnauthorized);
assert.equal(443, opts.port);
done();
});
// (probably) not hitting a real HTTPS server here,
// so no need to add a httpsServer request listener
https.get({
host: '127.0.0.1',
path: '/foo',
agent: agent,
rejectUnauthorized: false
});
});
describe('PassthroughAgent', function() {
it('should pass through to `https.globalAgent`', function(done) {
// add HTTP server "request" listener
var gotReq = false;
server.once('request', function(req, res) {
gotReq = true;
res.setHeader('X-Foo', 'bar');
res.setHeader('X-Url', req.url);
res.end();
});
var info = url.parse('https://127.0.0.1:' + port + '/foo');
info.agent = PassthroughAgent;
info.rejectUnauthorized = false;
https.get(info, function(res) {
assert.equal('bar', res.headers['x-foo']);
assert.equal('/foo', res.headers['x-url']);
assert(gotReq);
done();
});
});
});
});
describe('"ws" server', function() {
var wss;
var server;
var port;
// setup test HTTP server
before(function(done) {
server = http.createServer();
wss = new WebSocket.Server({ server: server });
server.listen(0, function() {
port = server.address().port;
done();
});
});
beforeEach(function() {
server.removeAllListeners('request');
wss.removeAllListeners('connection');
});
// shut down test HTTP server
after(function(done) {
server.once('close', function() {
done();
});
server.close();
});
it('should work for basic WebSocket connections', function(done) {
function onconnection(ws) {
ws.on('message', function(data) {
assert.equal('ping', data);
ws.send('pong');
});
}
wss.on('connection', onconnection);
var agent = new Agent(function(req, opts, fn) {
var socket = net.connect(opts);
fn(null, socket);
});
var client = new WebSocket('ws://127.0.0.1:' + port + '/', {
agent: agent
});
client.on('open', function() {
client.send('ping');
});
client.on('message', function(data) {
assert.equal('pong', data);
client.close();
done();
});
});
});
describe('"wss" server', function() {
var wss;
var server;
var port;
// setup test HTTP server
before(function(done) {
var options = {
key: fs.readFileSync(__dirname + '/ssl-cert-snakeoil.key'),
cert: fs.readFileSync(__dirname + '/ssl-cert-snakeoil.pem')
};
server = https.createServer(options);
wss = new WebSocket.Server({ server: server });
server.listen(0, function() {
port = server.address().port;
done();
});
});
beforeEach(function() {
server.removeAllListeners('request');
wss.removeAllListeners('connection');
});
// shut down test HTTP server
after(function(done) {
server.once('close', function() {
done();
});
server.close();
});
it('should work for secure WebSocket connections', function(done) {
function onconnection(ws) {
ws.on('message', function(data) {
assert.equal('ping', data);
ws.send('pong');
});
}
wss.on('connection', onconnection);
var agent = new Agent(function(req, opts, fn) {
var socket = tls.connect(opts);
fn(null, socket);
});
var client = new WebSocket('wss://127.0.0.1:' + port + '/', {
agent: agent,
rejectUnauthorized: false
});
client.on('open', function() {
client.send('ping');
});
client.on('message', function(data) {
assert.equal('pong', data);
client.close();
wss.removeListener('connection', onconnection);
done();
});
});
});
});