71 lines
1.6 KiB
JavaScript
71 lines
1.6 KiB
JavaScript
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'use strict';
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const request = require('supertest');
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const Koa = require('../..');
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describe('app.use(fn)', function(){
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it('should compose middleware', function(done){
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const app = new Koa();
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const calls = [];
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app.use(function(ctx, next){
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calls.push(1);
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return next().then(function(){
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calls.push(6);
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});
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});
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app.use(function(ctx, next){
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calls.push(2);
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return next().then(function(){
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calls.push(5);
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});
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});
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app.use(function(ctx, next){
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calls.push(3);
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return next().then(function(){
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calls.push(4);
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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(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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// https://github.com/koajs/koa/pull/530#issuecomment-148138051
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it('should catch thrown errors in non-async functions', function(done){
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const app = new Koa();
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app.use(ctx => {
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ctx.throw('Not Found', 404);
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});
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request(app.listen())
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.get('/')
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.expect(404)
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.end(done);
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});
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it('should throw error for non function', function(done){
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const app = new Koa();
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(() => app.use('not a function')).should.throw('middleware must be a function!');
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done();
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});
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it('should throw error for generator', function(){
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const app = new Koa();
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(() => app.use(function *(){})).should.throw('Support for generators has been removed. Use Promises or wrap your generator with co.wrap');
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});
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});
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