maqu14
73 lines
2.4 KiB
JavaScript
73 lines
2.4 KiB
JavaScript
var zmq = require('..')
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, http = require('http')
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, should = require('should')
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, semver = require('semver');
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describe('socket.stream', function(){
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it('should support a streaming socket', function (done){
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//socket stream type API after libzmq4+, target > 4.0.0
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if (semver.gte(zmq.version, '4.0.0')) {
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var stream = zmq.socket('stream');
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stream.on('message', function (id,msg){
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msg.should.be.an.instanceof(Buffer);
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var raw_header = String(msg).split('\r\n');
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var method = raw_header[0].split(' ')[0];
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method.should.equal('GET');
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//finding an HTTP GET method, prepare HTTP response for TCP socket
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var httpProtocolString = 'HTTP/1.0 200 OK\r\n' //status code
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+ 'Content-Type: text/html\r\n' //headers
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+ '\r\n'
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+ '<!DOCTYPE html>' //response body
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+ '<head>' //make it xml, json, html or something else
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+ '<meta charset="UTF-8">'
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+ '</head>'
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+ '<body>'
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+'<p>derpin over protocols</p>'
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+ '</body>'
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+'</html>'
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//zmq streaming prefixed by envelope's routing identifier
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stream.send([id,httpProtocolString]);
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});
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var addr = '127.0.0.1:5513';
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stream.bind('tcp://'+addr, function(){
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//send non-peer request to zmq, like an http GET method with URI path
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http.get('http://'+addr+'/aRandomRequestPath', function (httpMsg){
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//msg should now be a node readable stream as the good lord intended
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if (semver.gte(process.versions.node, '0.11.0')){
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httpMsg.socket._readableState.reading.should.be.false
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} else {
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if(semver.gte(process.versions.node, '0.10.0')){
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httpMsg.socket._readableState.reading.should.be.true
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}
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}
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//conventional node streams emit data events to process zmq stream response
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httpMsg.on('data',function (msg){
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msg.should.be.an.instanceof(Buffer);
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String(msg).should.equal('<!DOCTYPE html><head><meta charset="UTF-8"></head>'
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+'<body>'
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+'<p>derpin over protocols</p>'
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+'</body>'
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+'</html>');
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done();
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});
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});
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});
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} else {
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done();
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return console.warn('stream socket type in libzmq v4+');
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}
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});
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}); |