820 lines
19 KiB
JavaScript
820 lines
19 KiB
JavaScript
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'use strict';
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const request = require('supertest');
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const statuses = require('statuses');
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const assert = require('assert');
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const Koa = require('../..');
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const fs = require('fs');
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describe('app.respond', function(){
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describe('when ctx.respond === false', function(){
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it('should function *(ctx)', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = 'Hello';
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ctx.respond = false;
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const res = ctx.res;
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res.statusCode = 200;
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setImmediate(function(){
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res.setHeader('Content-Type', 'text/plain');
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res.end('lol');
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});
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(200)
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.expect('lol')
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.end(done);
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});
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});
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describe('when this.type === null', function(){
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it('should not send Content-Type header', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = '';
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ctx.type = null;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(200)
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.end(function(err, res){
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if (err) return done(err);
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res.should.not.have.header('content-type');
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done();
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});
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});
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});
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describe('when HEAD is used', function(){
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it('should not respond with the body', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = 'Hello';
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});
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const server = app.listen();
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request(server)
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.head('/')
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.expect(200)
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.end(function(err, res){
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if (err) return done(err);
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res.should.have.header('Content-Type', 'text/plain; charset=utf-8');
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res.should.have.header('Content-Length', '5');
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assert(0 == res.text.length);
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done();
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});
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});
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it('should keep json headers', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = { hello: 'world' };
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});
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const server = app.listen();
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request(server)
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.head('/')
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.expect(200)
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.end(function(err, res){
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if (err) return done(err);
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res.should.have.header('Content-Type', 'application/json; charset=utf-8');
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res.should.have.header('Content-Length', '17');
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assert(0 == res.text.length);
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done();
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});
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});
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it('should keep string headers', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = 'hello world';
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});
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const server = app.listen();
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request(server)
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.head('/')
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.expect(200)
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.end(function(err, res){
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if (err) return done(err);
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res.should.have.header('Content-Type', 'text/plain; charset=utf-8');
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res.should.have.header('Content-Length', '11');
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assert(0 == res.text.length);
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done();
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});
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});
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it('should keep buffer headers', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = new Buffer('hello world');
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});
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const server = app.listen();
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request(server)
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.head('/')
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.expect(200)
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.end(function(err, res){
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if (err) return done(err);
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res.should.have.header('Content-Type', 'application/octet-stream');
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res.should.have.header('Content-Length', '11');
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assert(0 == res.text.length);
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done();
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});
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});
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it('should respond with a 404 if no body was set', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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});
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const server = app.listen();
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request(server)
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.head('/')
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.expect(404, done);
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});
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it('should respond with a 200 if body = ""', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = '';
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});
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const server = app.listen();
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request(server)
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.head('/')
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.expect(200, done);
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});
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it('should not overwrite the content-type', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.status = 200;
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ctx.type = 'application/javascript';
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});
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const server = app.listen();
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request(server)
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.head('/')
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.expect('content-type', /application\/javascript/)
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.expect(200, done);
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});
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});
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describe('when no middleware are present', function(){
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it('should 404', function(done){
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const app = new Koa();
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const server = app.listen();
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request(server)
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.get('/')
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.expect(404, done);
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});
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});
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describe('when res has already been written to', function(){
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it('should not cause an app error', function(done){
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const app = new Koa();
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app.use(function *(ctx, next){
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const res = ctx.res;
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ctx.status = 200;
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res.setHeader('Content-Type', 'text/html');
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res.write('Hello');
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setTimeout(function(){
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res.end('Goodbye');
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}, 0);
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});
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let errorCaught = false;
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app.on('error', function(err){
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errorCaught = err;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(200)
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.end(function(err, res){
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if (err) return done(err);
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if (errorCaught) return done(errorCaught);
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done();
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});
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});
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it('should send the right body', function(done){
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const app = new Koa();
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app.use(function *(ctx, next){
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const res = ctx.res;
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ctx.status = 200;
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res.setHeader('Content-Type', 'text/html');
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res.write('Hello');
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setTimeout(function(){
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res.end('Goodbye');
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}, 0);
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(200)
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.expect('HelloGoodbye', done);
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});
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});
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describe('when .body is missing', function(){
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describe('with status=400', function(){
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it('should respond with the associated status message', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.status = 400;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(400)
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.expect('Content-Length', 11)
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.expect('Bad Request', done);
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});
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});
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describe('with status=204', function(){
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it('should respond without a body', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.status = 204;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(204)
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.expect('')
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.end(function(err, res){
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if (err) return done(err);
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res.header.should.not.have.property('content-type');
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done();
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});
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});
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});
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describe('with status=205', function(){
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it('should respond without a body', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.status = 205;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(205)
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.expect('')
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.end(function(err, res){
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if (err) return done(err);
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res.header.should.not.have.property('content-type');
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done();
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});
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});
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});
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describe('with status=304', function(){
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it('should respond without a body', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.status = 304;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(304)
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.expect('')
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.end(function(err, res){
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if (err) return done(err);
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res.header.should.not.have.property('content-type');
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done();
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});
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});
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});
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describe('with custom status=700', function(){
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it('should respond with the associated status message', function(done){
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const app = new Koa();
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statuses['700'] = 'custom status';
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app.use(function *(ctx){
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ctx.status = 700;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(700)
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.expect('custom status')
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.end(function(err, res){
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if (err) return done(err);
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res.res.statusMessage.should.equal('custom status');
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done();
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});
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});
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});
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describe('with custom statusMessage=ok', function(){
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it('should respond with the custom status message', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.status = 200;
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ctx.message = 'ok';
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(200)
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.expect('ok')
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.end(function(err, res){
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if (err) return done(err);
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res.res.statusMessage.should.equal('ok');
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done();
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});
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});
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});
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describe('with custom status without message', function(){
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it('should respond with the status code number', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.res.statusCode = 701;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(701)
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.expect('701', done);
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});
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});
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});
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describe('when .body is a null', function(){
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it('should respond 204 by default', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = null;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(204)
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.expect('')
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.end(function(err, res){
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if (err) return done(err);
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res.header.should.not.have.property('content-type');
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done();
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});
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});
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it('should respond 204 with status=200', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.status = 200;
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ctx.body = null;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(204)
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.expect('')
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.end(function(err, res){
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if (err) return done(err);
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res.header.should.not.have.property('content-type');
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done();
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});
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});
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it('should respond 205 with status=205', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.status = 205;
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ctx.body = null;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(205)
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.expect('')
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.end(function(err, res){
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if (err) return done(err);
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res.header.should.not.have.property('content-type');
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done();
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});
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});
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it('should respond 304 with status=304', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.status = 304;
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ctx.body = null;
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect(304)
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.expect('')
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.end(function(err, res){
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if (err) return done(err);
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res.header.should.not.have.property('content-type');
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done();
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});
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});
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});
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describe('when .body is a string', function(){
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it('should respond', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = 'Hello';
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect('Hello', done);
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});
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});
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describe('when .body is a Buffer', function(){
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it('should respond', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = new Buffer('Hello');
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect('Hello', done);
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});
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});
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describe('when .body is a Stream', function(){
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it('should respond', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = fs.createReadStream('package.json');
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ctx.set('Content-Type', 'application/json; charset=utf-8');
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect('Content-Type', 'application/json; charset=utf-8')
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.end(function(err, res){
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if (err) return done(err);
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const pkg = require('../../package');
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res.should.not.have.header('Content-Length');
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res.body.should.eql(pkg);
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done();
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});
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});
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it('should strip content-length when overwriting', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.body = 'hello';
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ctx.body = fs.createReadStream('package.json');
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ctx.set('Content-Type', 'application/json; charset=utf-8');
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect('Content-Type', 'application/json; charset=utf-8')
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.end(function(err, res){
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if (err) return done(err);
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const pkg = require('../../package');
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res.should.not.have.header('Content-Length');
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res.body.should.eql(pkg);
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done();
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});
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});
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it('should keep content-length if not overwritten', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.length = fs.readFileSync('package.json').length;
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ctx.body = fs.createReadStream('package.json');
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ctx.set('Content-Type', 'application/json; charset=utf-8');
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect('Content-Type', 'application/json; charset=utf-8')
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.end(function(err, res){
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if (err) return done(err);
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const pkg = require('../../package');
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res.should.have.header('Content-Length');
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res.body.should.eql(pkg);
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done();
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});
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});
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it('should keep content-length if overwritten with the same stream', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.length = fs.readFileSync('package.json').length;
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const stream = fs.createReadStream('package.json');
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ctx.body = stream;
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ctx.body = stream;
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ctx.set('Content-Type', 'application/json; charset=utf-8');
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect('Content-Type', 'application/json; charset=utf-8')
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.end(function(err, res){
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if (err) return done(err);
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const pkg = require('../../package');
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res.should.have.header('Content-Length');
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res.body.should.eql(pkg);
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done();
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});
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});
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it('should handle errors', function(done){
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const app = new Koa();
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app.use(function *(ctx){
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ctx.set('Content-Type', 'application/json; charset=utf-8');
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ctx.body = fs.createReadStream('does not exist');
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});
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const server = app.listen();
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request(server)
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.get('/')
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.expect('Content-Type', 'text/plain; charset=utf-8')
|
|
.expect(404)
|
|
.end(done);
|
|
});
|
|
|
|
it('should handle errors when no content status', function(done){
|
|
const app = new Koa();
|
|
|
|
app.use(function *(ctx){
|
|
ctx.status = 204;
|
|
ctx.body = fs.createReadStream('does not exist');
|
|
});
|
|
|
|
const server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(204, done);
|
|
});
|
|
|
|
it('should handle all intermediate stream body errors', function(done){
|
|
const app = new Koa();
|
|
|
|
app.use(function *(ctx){
|
|
ctx.body = fs.createReadStream('does not exist');
|
|
ctx.body = fs.createReadStream('does not exist');
|
|
ctx.body = fs.createReadStream('does not exist');
|
|
});
|
|
|
|
const server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(404, done);
|
|
});
|
|
});
|
|
|
|
describe('when .body is an Object', function(){
|
|
it('should respond with json', function(done){
|
|
const app = new Koa();
|
|
|
|
app.use(function *(ctx){
|
|
ctx.body = { hello: 'world' };
|
|
});
|
|
|
|
const server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect('Content-Type', 'application/json; charset=utf-8')
|
|
.expect('{"hello":"world"}', done);
|
|
});
|
|
});
|
|
|
|
describe('when an error occurs', function(){
|
|
it('should emit "error" on the app', function(done){
|
|
const app = new Koa();
|
|
|
|
app.use(function *(ctx){
|
|
throw new Error('boom');
|
|
});
|
|
|
|
app.on('error', function(err){
|
|
err.message.should.equal('boom');
|
|
done();
|
|
});
|
|
|
|
request(app.listen())
|
|
.get('/')
|
|
.end(function(){});
|
|
});
|
|
|
|
describe('with an .expose property', function(){
|
|
it('should expose the message', function(done){
|
|
const app = new Koa();
|
|
|
|
app.use(function *(ctx){
|
|
const err = new Error('sorry!');
|
|
err.status = 403;
|
|
err.expose = true;
|
|
throw err;
|
|
});
|
|
|
|
request(app.listen())
|
|
.get('/')
|
|
.expect(403, 'sorry!')
|
|
.end(done);
|
|
});
|
|
});
|
|
|
|
describe('with a .status property', function(){
|
|
it('should respond with .status', function(done){
|
|
const app = new Koa();
|
|
|
|
app.use(function *(ctx){
|
|
const err = new Error('s3 explodes');
|
|
err.status = 403;
|
|
throw err;
|
|
});
|
|
|
|
request(app.listen())
|
|
.get('/')
|
|
.expect(403, 'Forbidden')
|
|
.end(done);
|
|
});
|
|
});
|
|
|
|
it('should respond with 500', function(done){
|
|
const app = new Koa();
|
|
|
|
app.use(function *(ctx){
|
|
throw new Error('boom!');
|
|
});
|
|
|
|
const server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(500, 'Internal Server Error')
|
|
.end(done);
|
|
});
|
|
|
|
it('should be catchable', function(done){
|
|
const app = new Koa();
|
|
|
|
app.use(function *(ctx, next){
|
|
try {
|
|
yield next();
|
|
ctx.body = 'Hello';
|
|
} catch (err) {
|
|
ctx.body = 'Got error';
|
|
}
|
|
});
|
|
|
|
app.use(function *(ctx, next){
|
|
throw new Error('boom!');
|
|
});
|
|
|
|
const server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(200, 'Got error')
|
|
.end(done);
|
|
});
|
|
});
|
|
|
|
describe('when status and body property', function(){
|
|
it('should 200', function(done){
|
|
const app = new Koa();
|
|
|
|
app.use(function *(ctx){
|
|
ctx.status = 304;
|
|
ctx.body = 'hello';
|
|
ctx.status = 200;
|
|
});
|
|
|
|
const server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(200)
|
|
.expect('hello', done);
|
|
});
|
|
|
|
it('should 204', function(done){
|
|
const app = new Koa();
|
|
|
|
app.use(function *(ctx){
|
|
ctx.status = 200;
|
|
ctx.body = 'hello';
|
|
ctx.set('content-type', 'text/plain; charset=utf8');
|
|
ctx.status = 204;
|
|
});
|
|
|
|
const server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(204)
|
|
.end(function(err, res){
|
|
res.should.not.have.header('content-type');
|
|
done(err);
|
|
});
|
|
});
|
|
});
|
|
});
|