1086 lines
24 KiB
JavaScript
1086 lines
24 KiB
JavaScript
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var stderr = require('test-console').stderr;
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var request = require('supertest');
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var statuses = require('statuses');
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var assert = require('assert');
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var http = require('http');
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var koa = require('..');
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var fs = require('fs');
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var AssertionError = assert.AssertionError;
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describe('app', function(){
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it('should handle socket errors', function(done){
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var app = koa();
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app.use(function *(next){
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// triggers this.socket.writable == false
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this.socket.emit('error', new Error('boom'));
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});
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app.on('error', function(err){
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err.message.should.equal('boom');
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done();
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});
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request(app.listen())
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.get('/')
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.end(function(){});
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})
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it('should not .writeHead when !socket.writable', function(done){
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var app = koa();
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app.use(function *(next){
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// set .writable to false
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this.socket.writable = false;
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this.status = 204;
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// throw if .writeHead or .end is called
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this.res.writeHead =
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this.res.end = function(){
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throw new Error('response sent');
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};
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})
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// hackish, but the response should occur in a single tick
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setImmediate(done);
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request(app.listen())
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.get('/')
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.end(function(){});
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})
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it('should set development env when NODE_ENV missing', function(){
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var NODE_ENV = process.env.NODE_ENV;
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process.env.NODE_ENV = '';
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var app = koa();
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process.env.NODE_ENV = NODE_ENV;
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assert.equal(app.env, 'development');
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})
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})
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describe('app.toJSON()', function(){
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it('should work', function(){
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var app = koa();
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var obj = app.toJSON();
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obj.should.eql({
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subdomainOffset: 2,
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env: 'test'
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});
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})
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})
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describe('app.inspect()', function(){
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it('should work', function(){
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var app = koa();
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var util = require('util');
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var str = util.inspect(app);
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})
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})
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describe('app.use(fn)', function(){
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it('should compose middleware', function(done){
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var app = koa();
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var calls = [];
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app.use(function *(next){
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calls.push(1);
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yield next;
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calls.push(6);
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});
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app.use(function *(next){
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calls.push(2);
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yield next;
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calls.push(5);
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});
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app.use(function *(next){
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calls.push(3);
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yield next;
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calls.push(4);
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});
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var server = app.listen();
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request(server)
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.get('/')
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.expect(404)
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.end(function(err){
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if (err) return done(err);
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calls.should.eql([1,2,3,4,5,6]);
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done();
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});
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})
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it('should error when a non-generator function is passed', function(){
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var app = koa();
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try {
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app.use(function(){});
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} catch (err) {
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err.message.should.equal('app.use() requires a generator function');
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}
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})
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it('should not error when a non-generator function is passed when .experimental=true', function(){
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var app = koa();
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app.experimental = true;
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app.use(function(){});
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})
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})
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describe('app.onerror(err)', function(){
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it('should throw an error if a non-error is given', function(done){
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var app = koa();
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try {
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app.onerror('foo');
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should.fail();
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} catch (err) {
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err.should.be.instanceOf(AssertionError);
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err.message.should.equal('non-error thrown: foo');
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}
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done();
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})
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it('should do nothing if status is 404', function(done){
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var app = koa();
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var err = new Error();
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err.status = 404;
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var output = stderr.inspectSync(function() {
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app.onerror(err);
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});
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output.should.eql([]);
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done();
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})
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it('should do nothing if .silent', function(done){
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var app = koa();
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app.silent = true;
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var err = new Error();
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var output = stderr.inspectSync(function() {
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app.onerror(err);
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});
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output.should.eql([]);
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done();
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})
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it('should log the error to stderr', function(done){
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var app = koa();
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app.env = 'dev';
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var err = new Error();
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err.stack = 'Foo';
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var output = stderr.inspectSync(function() {
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app.onerror(err);
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});
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output.should.eql(["\n", " Foo\n", "\n"]);
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done();
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})
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it('should use err.toString() instad of err.stack', function(done){
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var app = koa();
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app.env = 'dev';
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var err = new Error('mock stack null');
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err.stack = null;
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var output = stderr.inspectSync(function() {
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app.onerror(err);
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});
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output.should.eql(["\n", " Error: mock stack null\n", "\n"]);
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done();
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})
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})
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describe('app.respond', function(){
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describe('when this.respond === false', function(){
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it('should bypass app.respond', function(done){
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var app = koa();
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app.use(function *(){
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this.body = 'Hello';
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this.respond = false;
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var res = this.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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var 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 HEAD is used', function(){
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it('should not respond with the body', function(done){
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var app = koa();
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app.use(function *(){
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this.body = 'Hello';
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});
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var 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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var app = koa();
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app.use(function *(){
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this.body = { hello: 'world' };
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});
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var 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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var app = koa();
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app.use(function *(){
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this.body = 'hello world';
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});
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var 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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var app = koa();
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app.use(function *(){
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this.body = new Buffer('hello world');
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});
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var 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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var app = koa();
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app.use(function *(){
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})
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var 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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var app = koa();
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app.use(function *(){
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this.body = '';
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})
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var 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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var app = koa();
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app.use(function *(){
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this.status = 200;
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this.type = 'application/javascript';
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})
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var 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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var app = koa();
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var 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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var app = koa();
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app.use(function *(next){
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var res = this.res;
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this.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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var 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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var 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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var app = koa();
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app.use(function *(next){
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var res = this.res;
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this.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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var 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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var app = koa();
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app.use(function *(){
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this.status = 400;
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});
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var 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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var app = koa();
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app.use(function *(){
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this.status = 204;
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})
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var 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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|
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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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var app = koa();
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app.use(function *(){
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this.status = 205;
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})
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var 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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var app = koa();
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|
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app.use(function *(){
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this.status = 304;
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})
|
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var server = app.listen();
|
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|
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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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|
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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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})
|
|
|
|
describe('with custom status=700', function(){
|
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it('should respond with the associated status message', function (done){
|
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var app = koa();
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statuses['700'] = 'custom status';
|
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|
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app.use(function *(){
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this.status = 700;
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})
|
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|
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var server = app.listen();
|
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|
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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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})
|
|
})
|
|
})
|
|
|
|
describe('with custom statusMessage=ok', function(){
|
|
it('should respond with the custom status message', function (done){
|
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var app = koa();
|
|
|
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app.use(function *(){
|
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this.status = 200;
|
|
this.message = 'ok';
|
|
})
|
|
|
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var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(200)
|
|
.expect('ok')
|
|
.end(function(err, res){
|
|
if (err) return done(err);
|
|
res.res.statusMessage.should.equal('ok');
|
|
done();
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('with custom status without message', function (){
|
|
it('should respond with the status code number', function (done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.res.statusCode = 701;
|
|
})
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(701)
|
|
.expect('701', done);
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('when .body is a null', function(){
|
|
it('should respond 204 by default', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.body = null;
|
|
})
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(204)
|
|
.expect('')
|
|
.end(function(err, res){
|
|
if (err) return done(err);
|
|
|
|
res.header.should.not.have.property('content-type');
|
|
done();
|
|
})
|
|
})
|
|
|
|
it('should respond 204 with status=200', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.status = 200;
|
|
this.body = null;
|
|
})
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(204)
|
|
.expect('')
|
|
.end(function(err, res){
|
|
if (err) return done(err);
|
|
|
|
res.header.should.not.have.property('content-type');
|
|
done();
|
|
})
|
|
})
|
|
|
|
it('should respond 205 with status=205', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.status = 205;
|
|
this.body = null;
|
|
})
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(205)
|
|
.expect('')
|
|
.end(function(err, res){
|
|
if (err) return done(err);
|
|
|
|
res.header.should.not.have.property('content-type');
|
|
done();
|
|
})
|
|
})
|
|
|
|
it('should respond 304 with status=304', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.status = 304;
|
|
this.body = null;
|
|
})
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(304)
|
|
.expect('')
|
|
.end(function(err, res){
|
|
if (err) return done(err);
|
|
|
|
res.header.should.not.have.property('content-type');
|
|
done();
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('when .body is a string', function(){
|
|
it('should respond', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.body = 'Hello';
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect('Hello', done);
|
|
})
|
|
})
|
|
|
|
describe('when .body is a Buffer', function(){
|
|
it('should respond', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.body = new Buffer('Hello');
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect('Hello', done);
|
|
})
|
|
})
|
|
|
|
describe('when .body is a Stream', function(){
|
|
it('should respond', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.body = fs.createReadStream('package.json');
|
|
this.set('Content-Type', 'application/json; charset=utf-8');
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect('Content-Type', 'application/json; charset=utf-8')
|
|
.end(function(err, res){
|
|
if (err) return done(err);
|
|
var pkg = require('../package');
|
|
res.should.not.have.header('Content-Length');
|
|
res.body.should.eql(pkg);
|
|
done();
|
|
});
|
|
})
|
|
|
|
it('should strip content-length when overwriting', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.body = 'hello';
|
|
this.body = fs.createReadStream('package.json');
|
|
this.set('Content-Type', 'application/json; charset=utf-8');
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect('Content-Type', 'application/json; charset=utf-8')
|
|
.end(function(err, res){
|
|
if (err) return done(err);
|
|
var pkg = require('../package');
|
|
res.should.not.have.header('Content-Length');
|
|
res.body.should.eql(pkg);
|
|
done();
|
|
})
|
|
})
|
|
|
|
it('should keep content-length if not overwritten', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.length = fs.readFileSync('package.json').length;
|
|
this.body = fs.createReadStream('package.json');
|
|
this.set('Content-Type', 'application/json; charset=utf-8');
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect('Content-Type', 'application/json; charset=utf-8')
|
|
.end(function(err, res){
|
|
if (err) return done(err);
|
|
var pkg = require('../package');
|
|
res.should.have.header('Content-Length');
|
|
res.body.should.eql(pkg);
|
|
done();
|
|
})
|
|
})
|
|
|
|
it('should keep content-length if overwritten with the same stream', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.length = fs.readFileSync('package.json').length;
|
|
var stream = fs.createReadStream('package.json');
|
|
this.body = stream;
|
|
this.body = stream;
|
|
this.set('Content-Type', 'application/json; charset=utf-8');
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect('Content-Type', 'application/json; charset=utf-8')
|
|
.end(function(err, res){
|
|
if (err) return done(err);
|
|
var pkg = require('../package');
|
|
res.should.have.header('Content-Length');
|
|
res.body.should.eql(pkg);
|
|
done();
|
|
})
|
|
})
|
|
|
|
it('should handle errors', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.set('Content-Type', 'application/json; charset=utf-8');
|
|
this.body = fs.createReadStream('does not exist');
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect('Content-Type', 'text/plain; charset=utf-8')
|
|
.expect(404)
|
|
.end(done);
|
|
})
|
|
|
|
it('should handle errors when no content status', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.status = 204;
|
|
this.body = fs.createReadStream('does not exist');
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(204, done);
|
|
})
|
|
|
|
|
|
it('should handle all intermediate stream body errors', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.body = fs.createReadStream('does not exist');
|
|
this.body = fs.createReadStream('does not exist');
|
|
this.body = fs.createReadStream('does not exist');
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(404, done);
|
|
})
|
|
})
|
|
|
|
describe('when .body is an Object', function(){
|
|
it('should respond with json', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.body = { hello: 'world' };
|
|
});
|
|
|
|
var 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){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
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){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
var 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){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
var 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){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
throw new Error('boom!');
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(500, 'Internal Server Error')
|
|
.end(done);
|
|
})
|
|
|
|
it('should be catchable', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(next){
|
|
try {
|
|
yield next;
|
|
this.body = 'Hello';
|
|
} catch (err) {
|
|
error = err;
|
|
this.body = 'Got error';
|
|
}
|
|
});
|
|
|
|
app.use(function *(next){
|
|
throw new Error('boom!');
|
|
this.body = 'Oh no';
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(200, 'Got error')
|
|
.end(done);
|
|
})
|
|
})
|
|
|
|
describe('when status and body property', function(){
|
|
it('should 200', function(done){
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.status = 304;
|
|
this.body = 'hello';
|
|
this.status = 200;
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(200)
|
|
.expect('hello', done);
|
|
})
|
|
|
|
it('should 204', function(done) {
|
|
var app = koa();
|
|
|
|
app.use(function *(){
|
|
this.status = 200;
|
|
this.body = 'hello';
|
|
this.set('content-type', 'text/plain; charset=utf8');
|
|
this.status = 204;
|
|
});
|
|
|
|
var server = app.listen();
|
|
|
|
request(server)
|
|
.get('/')
|
|
.expect(204)
|
|
.end(function (err, res) {
|
|
res.should.not.have.header('content-type');
|
|
done(err);
|
|
});
|
|
});
|
|
})
|
|
})
|
|
|
|
describe('app.context', function(){
|
|
var app1 = koa();
|
|
app1.context.msg = 'hello';
|
|
var app2 = koa();
|
|
|
|
it('should merge properties', function(done){
|
|
app1.use(function *(next){
|
|
assert.equal(this.msg, 'hello')
|
|
this.status = 204
|
|
});
|
|
|
|
request(app1.listen())
|
|
.get('/')
|
|
.expect(204, done);
|
|
})
|
|
|
|
it('should not affect the original prototype', function(done){
|
|
app2.use(function *(next){
|
|
assert.equal(this.msg, undefined)
|
|
this.status = 204;
|
|
});
|
|
|
|
request(app2.listen())
|
|
.get('/')
|
|
.expect(204, done);
|
|
})
|
|
})
|
|
|
|
describe('app.request', function(){
|
|
var app1 = koa();
|
|
app1.request.message = 'hello';
|
|
var app2 = koa();
|
|
|
|
it('should merge properties', function(done){
|
|
app1.use(function *(next){
|
|
assert.equal(this.request.message, 'hello')
|
|
this.status = 204
|
|
});
|
|
|
|
request(app1.listen())
|
|
.get('/')
|
|
.expect(204, done);
|
|
})
|
|
|
|
it('should not affect the original prototype', function(done){
|
|
app2.use(function *(next){
|
|
assert.equal(this.request.message, undefined)
|
|
this.status = 204;
|
|
});
|
|
|
|
request(app2.listen())
|
|
.get('/')
|
|
.expect(204, done);
|
|
})
|
|
})
|
|
|
|
describe('app.response', function(){
|
|
var app1 = koa();
|
|
app1.response.msg = 'hello';
|
|
var app2 = koa();
|
|
|
|
it('should merge properties', function(done){
|
|
app1.use(function *(next){
|
|
assert.equal(this.response.msg, 'hello')
|
|
this.status = 204
|
|
});
|
|
|
|
request(app1.listen())
|
|
.get('/')
|
|
.expect(204, done);
|
|
})
|
|
|
|
it('should not affect the original prototype', function(done){
|
|
app2.use(function *(next){
|
|
assert.equal(this.response.msg, undefined)
|
|
this.status = 204;
|
|
});
|
|
|
|
request(app2.listen())
|
|
.get('/')
|
|
.expect(204, done);
|
|
})
|
|
})
|