95 lines
2.8 KiB
JavaScript
95 lines
2.8 KiB
JavaScript
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'use strict';
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const assert = require('assert');
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const Koa = require('../../');
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const net = require('net');
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describe('res.writable', () => {
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describe('when continuous requests in one persistent connection', () => {
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function requestTwice(server, done){
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const port = server.address().port;
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const buf = Buffer.from('GET / HTTP/1.1\r\nHost: localhost:' + port + '\r\nConnection: keep-alive\r\n\r\n');
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const client = net.connect(port);
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const datas = [];
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client
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.on('error', done)
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.on('data', data => datas.push(data))
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.on('end', () => done(null, datas));
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setImmediate(() => client.write(buf));
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setImmediate(() => client.write(buf));
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setTimeout(() => client.end(), 100);
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}
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it('should always writable and response all requests', done => {
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const app = new Koa();
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let count = 0;
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app.use(ctx => {
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count++;
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ctx.body = 'request ' + count + ', writable: ' + ctx.writable;
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});
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const server = app.listen();
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requestTwice(server, (_, datas) => {
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const responses = Buffer.concat(datas).toString();
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assert.equal(/request 1, writable: true/.test(responses), true);
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assert.equal(/request 2, writable: true/.test(responses), true);
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done();
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});
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});
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});
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describe('when socket closed before response sent', () => {
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function requestClosed(server){
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const port = server.address().port;
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const buf = Buffer.from('GET / HTTP/1.1\r\nHost: localhost:' + port + '\r\nConnection: keep-alive\r\n\r\n');
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const client = net.connect(port);
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setImmediate(() => {
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client.write(buf);
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client.end();
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});
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}
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it('should not writable', done => {
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const app = new Koa();
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app.use(ctx => {
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sleep(1000)
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.then(() => {
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if (ctx.writable) return done(new Error('ctx.writable should not be true'));
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done();
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});
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});
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const server = app.listen();
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requestClosed(server);
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});
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});
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describe('when response finished', () => {
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function request(server){
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const port = server.address().port;
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const buf = Buffer.from('GET / HTTP/1.1\r\nHost: localhost:' + port + '\r\nConnection: keep-alive\r\n\r\n');
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const client = net.connect(port);
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setImmediate(() => {
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client.write(buf);
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});
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setTimeout(() => {
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client.end();
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}, 100);
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}
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it('should not writable', done => {
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const app = new Koa();
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app.use(ctx => {
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ctx.res.end();
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if (ctx.writable) return done(new Error('ctx.writable should not be true'));
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done();
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});
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const server = app.listen();
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request(server);
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});
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});
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});
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function sleep(time){
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return new Promise(resolve => setTimeout(resolve, time));
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}
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