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teamwk123/node_modules/needle/test/parsing_spec.js

548 lines
15 KiB

var should = require('should'),
needle = require('./../'),
http = require('http'),
port = 11111,
server;
describe('parsing', function(){
describe('when response is an JSON string', function(){
var json_string = '{"foo":"bar"}';
before(function(done){
server = http.createServer(function(req, res) {
res.setHeader('Content-Type', 'application/json');
res.end(json_string);
}).listen(port, done);
});
after(function(done){
server.close(done);
})
describe('and parse option is not passed', function() {
describe('with default parse_response', function() {
before(function() {
needle.defaults().parse_response.should.eql('all')
})
it('should return object', function(done){
needle.get('localhost:' + port, function(err, response, body){
should.ifError(err);
body.should.have.property('foo', 'bar');
done();
})
})
})
describe('and default parse_response is set to false', function() {
it('does NOT return object when disabled using .defaults', function(done){
needle.defaults({ parse_response: false })
needle.get('localhost:' + port, function(err, response, body) {
should.not.exist(err);
body.should.be.an.instanceof(String)
body.toString().should.eql('{"foo":"bar"}');
needle.defaults({ parse_response: 'all' });
done();
})
})
})
})
describe('and parse option is true', function() {
describe('and JSON is valid', function() {
it('should return object', function(done) {
needle.get('localhost:' + port, { parse: true }, function(err, response, body){
should.not.exist(err);
body.should.have.property('foo', 'bar')
done();
})
})
it('should have a .parser = json property', function(done) {
needle.get('localhost:' + port, { parse: true }, function(err, resp) {
should.not.exist(err);
resp.parser.should.eql('json');
done();
})
})
});
describe('and response is empty', function() {
var old_json_string;
before(function() {
old_json_string = json_string;
json_string = "";
});
after(function() {
json_string = old_json_string;
});
it('should return an empty string', function(done) {
needle.get('localhost:' + port, { parse: true }, function(err, resp) {
should.not.exist(err);
resp.body.should.equal('');
done();
})
})
})
describe('and JSON is invalid', function() {
var old_json_string;
before(function() {
old_json_string = json_string;
json_string = "this is not going to work";
});
after(function() {
json_string = old_json_string;
});
it('does not throw', function(done) {
(function(){
needle.get('localhost:' + port, { parse: true }, done);
}).should.not.throw();
});
it('does NOT return object', function(done) {
needle.get('localhost:' + port, { parse: true }, function(err, response, body) {
should.not.exist(err);
body.should.be.a.String;
body.toString().should.eql('this is not going to work');
done();
})
})
});
})
describe('and parse option is false', function() {
it('does NOT return object', function(done){
needle.get('localhost:' + port, { parse: false }, function(err, response, body) {
should.not.exist(err);
body.should.be.an.instanceof(String)
body.toString().should.eql('{"foo":"bar"}');
done();
})
})
it('should NOT have a .parser = json property', function(done) {
needle.get('localhost:' + port, { parse: false }, function(err, resp) {
should.not.exist(err);
should.not.exist(resp.parser);
done();
})
})
})
describe('and parse option is "xml"', function() {
it('does NOT return object', function(done){
needle.get('localhost:' + port, { parse: 'xml' }, function(err, response, body) {
should.not.exist(err);
body.should.be.an.instanceof(String)
body.toString().should.eql('{"foo":"bar"}');
done();
})
})
it('should NOT have a .parser = json property', function(done) {
needle.get('localhost:' + port, { parse: 'xml' }, function(err, resp) {
should.not.exist(err);
should.not.exist(resp.parser);
done();
})
})
})
});
describe('when response is JSON \'false\'', function(){
var json_string = 'false';
before(function(done){
server = http.createServer(function(req, res) {
res.setHeader('Content-Type', 'application/json');
res.end(json_string);
}).listen(port, done);
});
after(function(done){
server.close(done);
})
describe('and parse option is not passed', function() {
it('should return object', function(done){
needle.get('localhost:' + port, function(err, response, body){
should.ifError(err);
body.should.equal(false);
done();
})
})
})
describe('and parse option is true', function() {
describe('and JSON is valid', function() {
it('should return object', function(done){
needle.get('localhost:' + port, { parse: true }, function(err, response, body){
should.not.exist(err);
body.should.equal(false)
done();
})
})
});
describe('and response is empty', function() {
var old_json_string;
before(function() {
old_json_string = json_string;
json_string = "";
});
after(function() {
json_string = old_json_string;
});
it('should return an empty string', function(done) {
needle.get('localhost:' + port, { parse: true }, function(err, resp) {
should.not.exist(err);
resp.body.should.equal('');
done();
})
})
})
describe('and JSON is invalid', function() {
var old_json_string;
before(function() {
old_json_string = json_string;
json_string = "this is not going to work";
});
after(function() {
json_string = old_json_string;
});
it('does not throw', function(done) {
(function(){
needle.get('localhost:' + port, { parse: true }, done);
}).should.not.throw();
});
it('does NOT return object', function(done) {
needle.get('localhost:' + port, { parse: true }, function(err, response, body) {
should.not.exist(err);
body.should.be.a.String;
body.toString().should.eql('this is not going to work');
done();
})
})
});
})
describe('and parse option is false', function() {
it('does NOT return object', function(done){
needle.get('localhost:' + port, { parse: false }, function(err, response, body) {
should.not.exist(err);
body.should.be.an.instanceof(String)
body.toString().should.eql('false');
done();
})
})
})
describe('and parse option is "xml"', function() {
it('does NOT return object', function(done){
needle.get('localhost:' + port, { parse: 'xml' }, function(err, response, body) {
should.not.exist(err);
body.should.be.an.instanceof(String)
body.toString().should.eql('false');
done();
})
})
})
});
describe('when response is an invalid XML string', function(){
before(function(done){
server = http.createServer(function(req, res) {
res.writeHeader(200, {'Content-Type': 'application/xml'})
res.end("<post><body there11post>")
}).listen(port, done);
});
after(function(done){
server.close(done);
})
describe('and parse_response is true', function(){
it('should return original string', function(done) {
needle.get('localhost:' + port, { parse_response: true }, function(err, response, body) {
should.not.exist(err);
body.should.eql('<post><body there11post>')
should.not.exist(body.name);
done();
})
})
it('should not have a .parser = xml property', function(done) {
needle.get('localhost:' + port, { parse_response: true }, function(err, resp) {
should.not.exist(err);
should.not.exist(resp.parser);
done();
})
})
})
describe('and parse response is false', function(){
it('should return valid object', function(done) {
needle.get('localhost:' + port, { parse_response: false }, function(err, response, body){
should.not.exist(err);
body.toString().should.eql('<post><body there11post>')
done();
})
})
it('should not have a .parser property', function(done) {
needle.get('localhost:' + port, { parse_response: false }, function(err, resp) {
should.not.exist(err);
should.not.exist(resp.parser)
done();
})
})
})
})
describe('when response is a valid XML string', function(){
before(function(done) {
server = http.createServer(function(req, res) {
res.writeHeader(200, {'Content-Type': 'application/xml'})
res.end("<post><p>hello</p><p><![CDATA[world]]></p></post>")
}).listen(port, done);
});
after(function(done) {
server.close(done);
})
describe('and parse_response is true', function(){
it('should return valid object', function(done) {
needle.get('localhost:' + port, { parse_response: true }, function(err, response, body) {
should.not.exist(err);
body.name.should.eql('post')
body.children[0].name.should.eql('p')
body.children[0].value.should.eql('hello')
body.children[1].name.should.eql('p')
body.children[1].value.should.eql('world')
done();
})
})
it('should have a .parser = xml property', function(done) {
needle.get('localhost:' + port, { parse_response: true }, function(err, resp) {
should.not.exist(err);
resp.parser.should.eql('xml');
done();
})
})
})
describe('and parse response is false', function(){
it('should return valid object', function(done) {
needle.get('localhost:' + port, { parse_response: false }, function(err, response, body){
should.not.exist(err);
body.toString().should.eql('<post><p>hello</p><p><![CDATA[world]]></p></post>')
done();
})
})
it('should not have a .parser property', function(done) {
needle.get('localhost:' + port, { parse_response: false }, function(err, resp) {
should.not.exist(err);
should.not.exist(resp.parser)
done();
})
})
})
})
describe('valid XML, using xml2js', function() {
var parsers, origParser;
before(function(done) {
var xml2js = require('xml2js')
parsers = require('../lib/parsers');
origParser = parsers['application/xml'];
var customParser = require('xml2js').parseString;
parsers.use('xml2js', ['application/xml'], function(buff, cb) {
var opts = { explicitRoot: true, explicitArray: false };
customParser(buff, opts, cb);
})
server = http.createServer(function(req, res) {
res.writeHeader(200, {'Content-Type': 'application/xml'})
res.end("<post><p>hello</p><p>world</p></post>")
}).listen(port, done);
});
after(function(done) {
parsers['application/xml'] = origParser;
server.close(done);
})
describe('and parse_response is true', function(){
it('should return valid object', function(done) {
needle.get('localhost:' + port, { parse_response: true }, function(err, response, body) {
should.not.exist(err);
body.should.eql({ post: { p: ['hello', 'world' ]}})
done();
})
})
it('should have a .parser = xml property', function(done) {
needle.get('localhost:' + port, { parse_response: true }, function(err, resp) {
should.not.exist(err);
resp.parser.should.eql('xml2js');
done();
})
})
})
describe('and parse response is false', function(){
it('should return valid object', function(done) {
needle.get('localhost:' + port, { parse_response: false }, function(err, response, body){
should.not.exist(err);
body.toString().should.eql('<post><p>hello</p><p>world</p></post>')
done();
})
})
it('should not have a .parser property', function(done) {
needle.get('localhost:' + port, { parse_response: false }, function(err, resp) {
should.not.exist(err);
should.not.exist(resp.parser)
done();
})
})
})
})
describe('when response is a JSON API flavored JSON string', function () {
var json_string = '{"data":[{"type":"articles","id":"1","attributes":{"title":"Needle","body":"The leanest and most handsome HTTP client in the Nodelands."}}],"included":[{"type":"people","id":"42","attributes":{"name":"Tomás"}}]}';
before(function(done){
server = http.createServer(function(req, res) {
res.setHeader('Content-Type', 'application/vnd.api+json');
res.end(json_string);
}).listen(port, done);
});
after(function(done){
server.close(done);
});
describe('and parse option is not passed', function() {
describe('with default parse_response', function() {
before(function() {
needle.defaults().parse_response.should.eql('all')
})
it('should return object', function(done){
needle.get('localhost:' + port, function(err, response, body){
should.ifError(err);
body.should.deepEqual({
"data": [{
"type": "articles",
"id": "1",
"attributes": {
"title": "Needle",
"body": "The leanest and most handsome HTTP client in the Nodelands."
}
}],
"included": [
{
"type": "people",
"id": "42",
"attributes": {
"name": "Tomás"
}
}
]
});
done();
});
});
});
})
});
})