Add testcase for Silence mixin.

mixins/silence.js

@@ -4,6 +4,7 @@
 var Silence = new Class({
     _silent: 0,
 
+    // Silence the object before running the function
     silence: function(fnc){
         this._silent++;
         fnc && fnc.call(this);
@@ -12,6 +13,7 @@ var Silence = new Class({
         return this;
     },
 
+    // Check if object is silent
     isSilent: function(){
         return !!this._silent;
     }

test/silence-test.js

@@ -0,0 +1,79 @@
+if (typeof module == "object" && typeof require == "function") {
+    var buster = require("buster");
+    var Neuro = require('../');
+}
+
+var testCase = buster.testCase;
+var assert = buster.assert;
+var refute = buster.refute;
+
+var Silence = Neuro.Mixins.Silence
+
+testCase('Neuro Mixin: Silence', {
+	setUp: function(){
+		this.silence = new Silence;
+	},
+
+	'method isSilent returns a boolean based on _silent property': function(){
+		var _silent = this.silence._silent;
+		var test = this.silence.isSilent();
+
+		assert.equals(_silent, 0);
+		assert.equals(test, false);
+	},
+
+	'method silence': {
+		'invoke fnc with silence instance as scope': function(){
+			var spy = this.spy();
+			var silence = this.silence;
+
+			silence.silence(spy);
+
+			assert.calledOnce(spy);
+			assert.equals(spy.thisValues[0], silence);
+		},
+
+		'will have isSilent return true/false before/after fnc': function(){
+			var silence = this.silence;
+			var result1 = silence.isSilent();
+			var result2, result3;
+
+			var fnc = function(){
+				result2 = this.isSilent();
+			};
+
+			silence.silence(fnc);
+			result3 = silence.isSilent();
+
+			assert.equals(result1, false);
+			assert.equals(result2, true);
+			assert.equals(result3, false);
+
+		},
+
+		'with nested silence calls will have isSilent return true to signify continued silence, until all nested fnc are completed': function(){
+			var silence = this.silence;
+			var result1 = silence.isSilent();
+			var result2, result3, result4, result5;
+
+			var fnc1 = function(){
+				result2 = this.isSilent();
+				this.silence(fnc2);
+				result3 = this.isSilent();
+			};
+
+			var fnc2 = function(){
+				result4 = this.isSilent();
+			};
+
+			silence.silence(fnc1);
+			result5 = silence.isSilent();
+
+			assert.equals(result1, false);
+			assert.equals(result2, true);
+			assert.equals(result3, true);
+			assert.equals(result4, true);
+			assert.equals(result5, false);
+		}
+	}
+});