unit test for imagestream

lib/opencv.js

@@ -77,9 +77,31 @@ util.inherits(cv.ImageStream, Stream);
 var imagestream = cv.ImageStream.prototype;
 
 imagestream.write = function(buf){
+	var self = this;
 	cv.readImage(buf, function(err, matrix){
 	  self.emit('data', matrix);
 	});
 }
 
+// Object detect stream
+cv.ObjectDetectionStream = function(cascade, opts){
+  this.classifier = new cv.CascadeClassifier(cascade);
+  this.opts = opts
+}
+
+util.inherits(cv.ObjectDetectionStream, Stream);
+var ods = cv.ObjectDetectionStream.prototype;
+
+ods.write = function(m){
+  var self = this;
+
+	this.classifier.detectMultiScale(m, 
+      function(e, objs){
+        if (e) { throw e }
+        self.emit('data', objs);
+      }
+    , this.opts.scale, this.opts.neighbors
+	  , this.opts.min && this.opts.min[0], this.opts.min && this.opts.min[1]);
+}
+
 

test/unit.js

@@ -272,6 +272,29 @@ vows.describe('Smoke Tests OpenCV').addBatch({
     }
 
 
+  }
+  , "ImageStream" :{
+    topic : require('../lib/opencv')
+    , "write" : {
+      topic: function(cv){
+        var s = new cv.ImageStream()
+          , im = fs.readFileSync('./examples/mona.png')
+          , self = this;
+
+        s.on('data', function(m){
+          self.callback(null, m)
+        })
+        s.write(im);
+      }
+      , "receives data" : function(mat){
+        assert.deepEqual(mat.size(), [756,500])
+      }
+    }
+
+  }
+  , "ObjectDetectionStream" :{
+    topic : require('../lib/opencv')
+
   }
 
   , "CamShift" : {