58 lines
1.1 KiB
JavaScript
58 lines
1.1 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 *(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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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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it('should error when a non-generator function is passed', function(){
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const app = new 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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const app = new 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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