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musix-oss/node_modules/needle/test/response_stream_spec.js

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2020-03-04 11:43:21 +00:00
var should = require('should'),
needle = require('./../'),
http = require('http'),
stream = require('stream'),
fs = require('fs'),
port = 11111,
server;
describe('response streams', function() {
describe('when the server sends back json', function(){
before(function() {
server = http.createServer(function(req, res) {
res.setHeader('Content-Type', 'application/json')
res.end('{"foo":"bar"}')
}).listen(port);
});
after(function() {
server.close();
})
describe('and the client uses streams', function(){
it('should create a proper streams2 stream', function(done) {
var stream = needle.get('localhost:' + port)
// newer node versions set this to null instead of false
var bool = !!stream._readableState.flowing;
should.equal(false, bool);
var readableCalled = false;
stream.on('readable', function() {
readableCalled = true;
})
stream.on('done', function() {
readableCalled.should.be.true;
done();
});
stream.resume()
})
it('emits a single data item which is our JSON object', function(done) {
var stream = needle.get('localhost:' + port)
var chunks = [];
stream.on('readable', function () {
while (chunk = this.read()) {
chunk.should.be.an.Object;
chunks.push(chunk);
}
})
stream.on('done', function () {
chunks.should.have.length(1)
chunks[0].should.have.property('foo', 'bar');
done();
});
})
it('emits a raw buffer if we do not want to parse JSON', function(done) {
var stream = needle.get('localhost:' + port, { parse: false })
var chunks = [];
stream.on('readable', function () {
while (chunk = this.read()) {
Buffer.isBuffer(chunk).should.be.true;
chunks.push(chunk);
}
})
stream.on('done', function() {
var body = Buffer.concat(chunks).toString();
body.should.equal('{"foo":"bar"}')
done();
});
})
})
})
describe('when the server sends back what was posted to it', function () {
var file = 'asdf.txt';
before(function(done){
server = http.createServer(function(req, res) {
res.setHeader('Content-Type', 'application/octet')
req.pipe(res);
}).listen(port);
fs.writeFile(file, 'contents of stream', done);
});
after(function(done){
server.close();
fs.unlink(file, done);
})
it('can PUT a stream', function (done) {
var stream = needle.put('localhost:' + port, fs.createReadStream(file), { stream: true });
var chunks = [];
stream.on('readable', function () {
while (chunk = this.read()) {
Buffer.isBuffer(chunk).should.be.true;
chunks.push(chunk);
}
})
stream.on('end', function () {
var body = Buffer.concat(chunks).toString();
body.should.equal('contents of stream')
done();
});
});
it('can PATCH a stream', function (done) {
var stream = needle.patch('localhost:' + port, fs.createReadStream(file), { stream: true });
var chunks = [];
stream.on('readable', function () {
while (chunk = this.read()) {
Buffer.isBuffer(chunk).should.be.true;
chunks.push(chunk);
}
})
stream.on('end', function () {
var body = Buffer.concat(chunks).toString();
body.should.equal('contents of stream')
done();
});
});
})
})