koa-lite/test/request/is.js
Jonathan Ong 8717a3ad2b req.is(): make better
closes #105 and #106
2013-11-28 00:13:16 -08:00

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3 KiB
JavaScript

var should = require('should');
var context = require('../context');
describe('ctx.is(type)', function(){
it('should ignore params', function(){
var ctx = context();
ctx.header['content-type'] = 'text/html; charset=utf-8';
ctx.header['transfer-encoding'] = 'chunked';
ctx.is('text/*').should.equal('text/*');
})
describe('when no body is given', function(){
it('should return null', function(){
var ctx = context();
should(ctx.is()).null;
should(ctx.is('image/*')).null;
should(ctx.is('text/*', 'image/*')).null;
})
})
describe('when no content type is given', function(){
it('should return false', function(){
var ctx = context();
ctx.header['transfer-encoding'] = 'chunked';
ctx.is().should.be.false;
ctx.is('image/*').should.be.false;
ctx.is('text/*', 'image/*').should.be.false;
})
})
describe('give no types', function(){
it('should return the mime type', function(){
var ctx = context();
ctx.header['content-type'] = 'image/png';
ctx.header['transfer-encoding'] = 'chunked';
ctx.is().should.equal('image/png');
})
})
describe('given one type', function(){
it('should return the type or false', function(){
var ctx = context();
ctx.header['content-type'] = 'image/png';
ctx.header['transfer-encoding'] = 'chunked';
ctx.is('png').should.equal('png');
ctx.is('.png').should.equal('.png');
ctx.is('image/png').should.equal('image/png');
ctx.is('image/*').should.equal('image/*');
ctx.is('*/png').should.equal('*/png');
ctx.is('jpeg').should.be.false;
ctx.is('.jpeg').should.be.false;
ctx.is('image/jpeg').should.be.false;
ctx.is('text/*').should.be.false;
ctx.is('*/jpeg').should.be.false;
})
})
describe('given multiple types', function(){
it('should return the first match or false', function(){
var ctx = context();
ctx.header['content-type'] = 'image/png';
ctx.header['transfer-encoding'] = 'chunked';
ctx.is('png').should.equal('png');
ctx.is('.png').should.equal('.png');
ctx.is('text/*', 'image/*').should.equal('image/*');
ctx.is('image/*', 'text/*').should.equal('image/*');
ctx.is('image/*', 'image/png').should.equal('image/*');
ctx.is('image/png', 'image/*').should.equal('image/png');
ctx.is('jpeg').should.be.false;
ctx.is('.jpeg').should.be.false;
ctx.is('text/*', 'application/*').should.be.false;
ctx.is('text/html', 'text/plain', 'application/json').should.be.false;
})
})
describe('when Content-Type: application/x-www-form-urlencoded', function(){
it('should match `urlencoded', function(){
var ctx = context();
ctx.header['content-type'] = 'application/x-www-form-urlencoded';
ctx.header['transfer-encoding'] = 'chunked';
ctx.is('urlencoded').should.equal('urlencoded');
ctx.is('json', 'urlencoded').should.equal('urlencoded');
ctx.is('urlencoded', 'json').should.equal('urlencoded');
})
})
})