koa-lite/test/application/use.js
Tejas Manohar e8f79d43f9 modularize tests for application
closes #517

add index test for Application

add app.toJSON test

add test for app.inspect()

add tests for app.use()

add tests for app.onerror()

add tests for app.respond()

add tests for app.context()

add tests for app.request()

add tests for app.response

refactor for non-existence of test/app...js

no need for *.js

use helpers/ dir for non-tests
2015-10-12 00:08:06 -07:00

57 lines
1.1 KiB
JavaScript

'use strict';
const request = require('supertest');
const koa = require('../..');
describe('app.use(fn)', function(){
it('should compose middleware', function(done){
const app = koa();
const calls = [];
app.use(function *(next){
calls.push(1);
yield next;
calls.push(6);
});
app.use(function *(next){
calls.push(2);
yield next;
calls.push(5);
});
app.use(function *(next){
calls.push(3);
yield next;
calls.push(4);
});
const server = app.listen();
request(server)
.get('/')
.expect(404)
.end(function(err){
if (err) return done(err);
calls.should.eql([1,2,3,4,5,6]);
done();
});
})
it('should error when a non-generator function is passed', function(){
const app = koa();
try {
app.use(function(){});
} catch (err) {
err.message.should.equal('app.use() requires a generator function');
}
})
it('should not error when a non-generator function is passed when .experimental=true', function(){
const app = koa();
app.experimental = true;
app.use(function(){});
})
})