koa-lite/test/response/body.js
jongleberry 2e8cdab8bc support async functions
closes 
closes 
2015-10-22 16:34:59 -07:00

134 lines
4 KiB
JavaScript

'use strict';
const response = require('../helpers/context').response;
const assert = require('assert');
const fs = require('fs');
describe('res.body=', function(){
describe('when Content-Type is set', function(){
it('should not override', function(){
const res = response();
res.type = 'png';
res.body = new Buffer('something');
assert('image/png' == res.header['content-type']);
});
describe('when body is an object', function(){
it('should override as json', function(){
const res = response();
res.body = '<em>hey</em>';
assert('text/html; charset=utf-8' == res.header['content-type']);
res.body = { foo: 'bar' };
assert('application/json; charset=utf-8' == res.header['content-type']);
});
});
it('should override length', function(){
const res = response();
res.type = 'html';
res.body = 'something';
res.length.should.equal(9);
});
});
describe('when a string is given', function(){
it('should default to text', function(){
const res = response();
res.body = 'Tobi';
assert('text/plain; charset=utf-8' == res.header['content-type']);
});
it('should set length', function(){
const res = response();
res.body = 'Tobi';
assert('4' == res.header['content-length']);
});
describe('and contains a non-leading <', function(){
it('should default to text', function(){
const res = response();
res.body = 'aklsdjf < klajsdlfjasd';
assert('text/plain; charset=utf-8' == res.header['content-type']);
});
});
});
describe('when an html string is given', function(){
it('should default to html', function(){
const res = response();
res.body = '<h1>Tobi</h1>';
assert('text/html; charset=utf-8' == res.header['content-type']);
});
it('should set length', function(){
const string = '<h1>Tobi</h1>';
const res = response();
res.body = string;
assert.equal(res.length, Buffer.byteLength(string));
});
it('should set length when body is overridden', function(){
const string = '<h1>Tobi</h1>';
const res = response();
res.body = string;
res.body = string + string;
assert.equal(res.length, 2 * Buffer.byteLength(string));
});
describe('when it contains leading whitespace', function(){
it('should default to html', function(){
const res = response();
res.body = ' <h1>Tobi</h1>';
assert('text/html; charset=utf-8' == res.header['content-type']);
});
});
});
describe('when an xml string is given', function(){
it('should default to html', function(){
/**
* ctx test is to show that we're not going
* to be stricter with the html sniff
* or that we will sniff other string types.
* You should `.type=` if ctx simple test fails.
*/
const res = response();
res.body = '<?xml version="1.0" encoding="UTF-8"?>\n<俄语>данные</俄语>';
assert('text/html; charset=utf-8' == res.header['content-type']);
});
});
describe('when a stream is given', function(){
it('should default to an octet stream', function(){
const res = response();
res.body = fs.createReadStream('LICENSE');
assert('application/octet-stream' == res.header['content-type']);
});
});
describe('when a buffer is given', function(){
it('should default to an octet stream', function(){
const res = response();
res.body = new Buffer('hey');
assert('application/octet-stream' == res.header['content-type']);
});
it('should set length', function(){
const res = response();
res.body = new Buffer('Tobi');
assert('4' == res.header['content-length']);
});
});
describe('when an object is given', function(){
it('should default to json', function(){
const res = response();
res.body = { foo: 'bar' };
assert('application/json; charset=utf-8' == res.header['content-type']);
});
});
});