Added test helpers

Author: aputinski

karma.conf.js

@@ -13,9 +13,10 @@ module.exports = function(config) {
 
     // list of files / patterns to load in the browser
     files: [
+      'spec/helpers.js',
       'node_modules/react/dist/react-with-addons.js',
       'node_modules/sinon/pkg/sinon.js',
-      'spec/**/*.{jsx,js}'
+      'spec/**/*.spec.{jsx,js}'
     ],
 
     // list of files to exclude
@@ -24,7 +25,7 @@ module.exports = function(config) {
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
     preprocessors: {
-      'spec/**/*.{jsx,js}': ['webpack']
+      'spec/**/*.spec.{jsx,js}': ['webpack']
     },
 
     // test results reporter to use

spec/helpers.js

@@ -0,0 +1,64 @@
+(function() {
+
+  var Ap = Array.prototype;
+  var slice = Ap.slice;
+  var Fp = Function.prototype;
+
+  if (!Fp.bind) {
+    // PhantomJS doesn't support Function.prototype.bind natively, so
+    // polyfill it whenever this module is required.
+    Fp.bind = function(context) {
+      var func = this;
+      var args = slice.call(arguments, 1);
+
+      function bound() {
+        var invokedAsConstructor = func.prototype && (this instanceof func);
+        return func.apply(
+          // Ignore the context parameter when invoking the bound function
+          // as a constructor. Note that this includes not only constructor
+          // invocations using the new keyword but also calls to base class
+          // constructors such as BaseClass.call(this, ...) or super(...).
+          !invokedAsConstructor && context || this,
+          args.concat(slice.call(arguments))
+        );
+      }
+
+      // The bound function must share the .prototype of the unbound
+      // function so that any object created by one constructor will count
+      // as an instance of both constructors.
+      bound.prototype = func.prototype;
+
+      return bound;
+    };
+  }
+
+})();
+
+(function() {
+
+  var lastTime = 0;
+  var vendors = ['ms', 'moz', 'webkit', 'o'];
+  for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+      window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
+      window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame'] 
+                                 || window[vendors[x]+'CancelRequestAnimationFrame'];
+  }
+
+  if (!window.requestAnimationFrame) {
+    window.requestAnimationFrame = function(callback, element) {
+      var currTime = new Date().getTime();
+      var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+      var id = window.setTimeout(function() { callback(currTime + timeToCall); }, 
+        timeToCall);
+      lastTime = currTime + timeToCall;
+      return id;
+    };
+  }
+
+  if (!window.cancelAnimationFrame) {
+    window.cancelAnimationFrame = function(id) {
+      clearTimeout(id);
+    };
+  }
+
+}());