Live texturing

2016-03-18 10:14:02 +01:00
parent 65e5729118
commit 7fc83d1471
155 changed files with 18378 additions and 0 deletions
@@ -0,0 +1,155 @@
+var zmq = require('..')
+  , should = require('should')
+  , semver = require('semver');
+
+var addr = 'tcp://127.0.0.1'
+  , frontendAddr = addr+':5507'
+  , backendAddr = addr+':5508'
+  , captureAddr = addr+':5509';
+
+var version = semver.gte(zmq.version, '3.1.0');
+
+describe('proxy.xpub-xsub', function() {
+
+  it('should proxy pub-sub connected to xpub-xsub', function (done) {
+    if (!version) {
+      done();
+      return console.warn('Test requires libzmq >= 3.1.0');
+    }
+
+    var frontend = zmq.socket('xpub');
+    var backend = zmq.socket('xsub');
+
+    var sub = zmq.socket('sub');
+    var pub = zmq.socket('pub');
+
+    sub.subscribe('');
+    sub.on('message',function (msg) {
+
+      frontend.close();
+      backend.close();
+      sub.close();
+      pub.close();
+
+      msg.should.be.an.instanceof(Buffer);
+      msg.toString().should.equal('foo');
+
+      done();
+    });
+
+    frontend.bind(frontendAddr,function() {
+      backend.bind(backendAddr,function() {
+
+        sub.connect(frontendAddr);
+        pub.connect(backendAddr);
+
+        setTimeout(function() {
+          pub.send('foo');
+        }, 200.0);
+
+        zmq.proxy(frontend,backend);
+
+      });
+    });
+  });
+
+  it('should proxy connections with capture', function (done) {
+    if (!version) {
+      done();
+      return console.warn('Test requires libzmq >= 3.1.0');
+    }
+
+    var frontend = zmq.socket('xpub');
+    var backend = zmq.socket('xsub');
+
+    var capture = zmq.socket('pub');
+    var capSub = zmq.socket('sub');
+
+    var sub = zmq.socket('sub');
+    var pub = zmq.socket('pub');
+
+    sub.subscribe('');
+    sub.on('message', function (msg) {
+
+      sub.close();
+      pub.close();
+      backend.close();
+      frontend.close();
+
+      msg.should.be.an.instanceof(Buffer);
+      msg.toString().should.equal('foo');
+
+      console.log(msg.toString());
+
+    });
+
+    capSub.subscribe('');
+    capSub.on('message',function (msg) {
+
+      capture.close();
+      capSub.close();
+
+      setTimeout(function(){
+        msg.should.be.an.instanceof(Buffer);
+        msg.toString().should.equal('foo');
+        done();
+      },100.0);
+    });
+
+    capture.bind(captureAddr,function() {
+      frontend.bind(frontendAddr,function() {
+        backend.bind(backendAddr,function() {
+
+          pub.connect(backendAddr);
+          sub.connect(frontendAddr);
+          capSub.connect(captureAddr);
+
+          setTimeout(function () {
+            pub.send('foo');
+          }, 200.0);
+
+          zmq.proxy(frontend,backend,capture);
+        });
+      });
+    });
+  });
+
+  it('should throw an error if the order is wrong', function (done) {
+    if (!version) {
+      done();
+      return console.warn('Test requires libzmq >= 3.1.0');
+    }
+
+    var frontend = zmq.socket('xpub');
+    var backend = zmq.socket('xsub');
+
+    var sub = zmq.socket('sub');
+    var pub = zmq.socket('pub');
+
+    frontend.bindSync(frontendAddr);
+    backend.bindSync(backendAddr);
+
+    sub.connect(frontendAddr);
+    pub.connect(backendAddr);
+
+    try{
+
+      zmq.proxy(backend,frontend);
+
+    } catch(e){
+
+      e.message.should.equal('wrong socket order to proxy');
+
+    } finally{
+      frontend.close();
+      backend.close();
+      pub.close();
+      sub.close();
+
+      //allow time for TCP sockets to close
+      setTimeout(function(){
+        done();
+      },200)
+    }
+  })
+});