decoder_spec.js
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var should = require('should'),
needle = require('./../'),
Q = require('q'),
chardet = require('jschardet');
describe('character encoding', function() {
var url;
this.timeout(5000);
describe('test A', function() {
before(function() {
url = 'http://www.nina.jp/server/slackware/webapp/tomcat_charset.html';
})
describe('with decode = false', function() {
it('does not decode', function(done) {
needle.get(url, { decode: false }, function(err, resp) {
resp.body.should.be.a.String;
chardet.detect(resp.body).encoding.should.eql('windows-1252');
resp.body.indexOf('EUCを使う').should.eql(-1);
done();
})
})
})
describe('with decode = true', function() {
it('decodes', function(done) {
needle.get(url, { decode: true }, function(err, resp) {
resp.body.should.be.a.String;
chardet.detect(resp.body).encoding.should.eql('ascii');
resp.body.indexOf('EUCを使う').should.not.eql(-1);
done();
})
})
})
})
describe('test B', function() {
it('encodes to UTF-8', function(done) {
// Our Needle wrapper that requests a chinese website.
var task = Q.nbind(needle.get, needle, 'http://www.chinesetop100.com/');
// Different instantiations of this task
var tasks = [Q.fcall(task, {decode: true}),
Q.fcall(task, {decode: false})];
var results = tasks.map(function(task) {
return task.then(function(obj) {
return obj[0].body;
});
});
// Execute all requests concurrently
Q.all(results).done(function(bodies) {
var charsets = [
chardet.detect(bodies[0]).encoding,
chardet.detect(bodies[1]).encoding,
]
// We wanted to decode our first stream.
charsets[0].should.equal('ascii');
bodies[0].indexOf('全球中文网站前二十强').should.not.equal(-1);
// But not our second stream.
charsets[1].should.equal('windows-1252');
bodies[1].indexOf('全球中文网站前二十强').should.equal(-1);
done();
});
})
})
})