Added mocha support to angular mocks

Author: camwest

src/ngMock/angular-mocks.js

@@ -1587,22 +1587,49 @@ window.jstestdriver && (function(window) {
 })(window);
 
 
-window.jasmine && (function(window) {
+(window.jasmine || window.mocha) && (function(window) {
 
-  afterEach(function() {
-    var spec = getCurrentSpec();
-    spec.$injector = null;
-    spec.$modules = null;
-    angular.mock.clearDataCache();
-  });
+  if (window.jasmine) {
+    afterEach(function() {
+      var spec = getCurrentSpec();
+      spec.$injector = null;
+      spec.$modules = null;
+      angular.mock.clearDataCache();
+    });
+
+    function getCurrentSpec() {
+      return jasmine.getEnv().currentSpec;
+    }
 
-  function getCurrentSpec() {
-    return jasmine.getEnv().currentSpec;
+    function isSpecRunning() {
+      var spec = getCurrentSpec();
+      return spec && spec.queue.running;
+    }
   }
 
-  function isSpecRunning() {
-    var spec = getCurrentSpec();
-    return spec && spec.queue.running;
+  if (window.mocha) {
+    var currentSpec;
+
+    beforeEach(function() {
+      currentSpec = this;
+    });
+
+    afterEach(function() {
+      var spec = getCurrentSpec();
+      this.$injector = null;
+      this.$modules = null;
+      angular.mock.clearDataCache();
+
+      currentSpec = null;
+    });
+
+    function getCurrentSpec() {
+      return currentSpec;
+    }
+
+    function isSpecRunning() {
+      return getCurrentSpec();
+    }
   }
 
   /**