chore(mocks): remove helper fn angular.mocks.clearData

we don't need this any more because Karma reloads the iframe after each test run

Related to #8532

Author: IgorMinar

src/ngMock/angular-mocks.js

@@ -2001,28 +2001,6 @@ angular.mock.e2e.$httpBackendDecorator =
   ['$rootScope', '$delegate', '$browser', createHttpBackendMock];
 
 
-angular.mock.clearDataCache = function() {
-  // jQuery 2.x doesn't expose data attached to elements. We could use jQuery.cleanData
-  // to clean up after elements but we'd first need to know which elements to clean up after.
-  // Skip it then.
-  if (window.jQuery) {
-    return;
-  }
-
-  var key,
-      cache = angular.element.cache;
-
-  for(key in cache) {
-    if (Object.prototype.hasOwnProperty.call(cache,key)) {
-      var handle = cache[key].handle;
-
-      handle && angular.element(handle.elem).off();
-      delete cache[key];
-    }
-  }
-};
-
-
 if(window.jasmine || window.mocha) {
 
   var currentSpec = null,
@@ -2053,8 +2031,6 @@ if(window.jasmine || window.mocha) {
       injector.get('$browser').pollFns.length = 0;
     }
 
-    angular.mock.clearDataCache();
-
     // clean up jquery's fragment cache
     angular.forEach(angular.element.fragments, function(val, key) {
       delete angular.element.fragments[key];

test/helpers/testabilityPatch.js

@@ -28,6 +28,7 @@ beforeEach(function() {
 
     // reset to jQuery or default to us.
     bindJQuery();
+    jqLiteCacheSizeInit();
   }
 
   angular.element(document.body).empty().removeData();
@@ -128,6 +129,19 @@ function dealoc(obj) {
   }
 }
 
+
+function jqLiteCacheSize() {
+  var size = 0;
+  forEach(jqLite.cache, function() { size++; });
+  return size - jqLiteCacheSize.initSize;
+}
+jqLiteCacheSize.initSize = 0;
+
+function jqLiteCacheSizeInit() {
+  jqLiteCacheSize.initSize = jqLiteCacheSize.initSize + jqLiteCacheSize();
+}
+
+
 /**
  * @param {DOMElement} element
  * @param {boolean=} showNgClass

test/jqLiteSpec.js

@@ -393,18 +393,12 @@ describe('jqLite', function() {
 
 
     it('should not add to the cache if the node is a comment or text node', function() {
-      var calcCacheSize = function() {
-        var count = 0;
-        for (var k in jqLite.cache) { ++count; }
-        return count;
-      };
-
       var nodes = jqLite('<!-- some comment --> and some text');
-      expect(calcCacheSize()).toEqual(0);
+      expect(jqLiteCacheSize()).toEqual(0);
       nodes.data('someKey');
-      expect(calcCacheSize()).toEqual(0);
+      expect(jqLiteCacheSize()).toEqual(0);
       nodes.data('someKey', 'someValue');
-      expect(calcCacheSize()).toEqual(0);
+      expect(jqLiteCacheSize()).toEqual(0);
     });
 
 

test/ng/compileSpec.js

@@ -1,13 +1,6 @@
 'use strict';
 
 
-function calcCacheSize() {
-  var size = 0;
-  for(var key in jqLite.cache) { size++; }
-  return size;
-}
-
-
 describe('$compile', function() {
   var element, directive, $compile, $rootScope;
 
@@ -173,26 +166,26 @@ describe('$compile', function() {
       element = jqLite('<div><div></div></div>');
       $compile(element.contents())($rootScope);
       element.empty();
-      expect(calcCacheSize()).toEqual(0);
+      expect(jqLiteCacheSize()).toEqual(0);
 
       // Next with non-empty text nodes at the top level
       // (in this case the compiler will wrap them in a <span>)
       element = jqLite('<div>xxx</div>');
       $compile(element.contents())($rootScope);
       element.empty();
-      expect(calcCacheSize()).toEqual(0);
+      expect(jqLiteCacheSize()).toEqual(0);
 
       // Next with comment nodes at the top level
       element = jqLite('<div><!-- comment --></div>');
       $compile(element.contents())($rootScope);
       element.empty();
-      expect(calcCacheSize()).toEqual(0);
+      expect(jqLiteCacheSize()).toEqual(0);
 
       // Finally with empty text nodes at the top level
       element = jqLite('<div>   \n<div></div>   </div>');
       $compile(element.contents())($rootScope);
       element.empty();
-      expect(calcCacheSize()).toEqual(0);
+      expect(jqLiteCacheSize()).toEqual(0);
     });
 
 
@@ -4056,29 +4049,23 @@ describe('$compile', function() {
           return;
         }
 
-        var calcCacheSize = function() {
-          var size = 0;
-          forEach(jqLite.cache, function(item, key) { size++; });
-          return size;
-        };
-
         inject(function($compile, $rootScope) {
-          expect(calcCacheSize()).toEqual(0);
+          expect(jqLiteCacheSize()).toEqual(0);
 
           element = $compile('<div><div ng-repeat="x in xs" ng-if="x==1">{{x}}</div></div>')($rootScope);
-          expect(calcCacheSize()).toEqual(1);
+          expect(jqLiteCacheSize()).toEqual(1);
 
           $rootScope.$apply('xs = [0,1]');
-          expect(calcCacheSize()).toEqual(2);
+          expect(jqLiteCacheSize()).toEqual(2);
 
           $rootScope.$apply('xs = [0]');
-          expect(calcCacheSize()).toEqual(1);
+          expect(jqLiteCacheSize()).toEqual(1);
 
           $rootScope.$apply('xs = []');
-          expect(calcCacheSize()).toEqual(1);
+          expect(jqLiteCacheSize()).toEqual(1);
 
           element.remove();
-          expect(calcCacheSize()).toEqual(0);
+          expect(jqLiteCacheSize()).toEqual(0);
         });
       });
 
@@ -4088,32 +4075,28 @@ describe('$compile', function() {
           // jQuery 2.x doesn't expose the cache storage.
           return;
         }
-        var calcCacheSize = function() {
-          var size = 0;
-          forEach(jqLite.cache, function(item, key) { size++; });
-          return size;
-        };
+
         inject(function($compile, $rootScope) {
-          expect(calcCacheSize()).toEqual(0);
+          expect(jqLiteCacheSize()).toEqual(0);
           element = $compile('<div><div ng-repeat="x in xs" ng-if="val">{{x}}</div></div>')($rootScope);
 
           $rootScope.$apply('xs = [0,1]');
           // At this point we have a bunch of comment placeholders but no real transcluded elements
           // So the cache only contains the root element's data
-          expect(calcCacheSize()).toEqual(1);
+          expect(jqLiteCacheSize()).toEqual(1);
 
           $rootScope.$apply('val = true');
           // Now we have two concrete transcluded elements plus some comments so two more cache items
-          expect(calcCacheSize()).toEqual(3);
+          expect(jqLiteCacheSize()).toEqual(3);
 
           $rootScope.$apply('val = false');
           // Once again we only have comments so no transcluded elements and the cache is back to just
           // the root element
-          expect(calcCacheSize()).toEqual(1);
+          expect(jqLiteCacheSize()).toEqual(1);
 
           element.remove();
           // Now we've even removed the root element along with its cache
-          expect(calcCacheSize()).toEqual(0);
+          expect(jqLiteCacheSize()).toEqual(0);
         });
       });
 
@@ -4656,30 +4639,24 @@ describe('$compile', function() {
 
 
         it('should not leak memory with nested transclusion', function() {
-          var calcCacheSize = function() {
-            var count = 0;
-            for (var k in jqLite.cache) { ++count; }
-            return count;
-          };
-
           inject(function($compile, $rootScope) {
             var size;
 
-            expect(calcCacheSize()).toEqual(0);
+            expect(jqLiteCacheSize()).toEqual(0);
 
             element = jqLite('<div><ul><li ng-repeat="n in nums">{{n}} => <i ng-if="0 === n%2">Even</i><i ng-if="1 === n%2">Odd</i></li></ul></div>');
             $compile(element)($rootScope.$new());
 
             $rootScope.nums = [0,1,2];
             $rootScope.$apply();
-            size = calcCacheSize();
+            size = jqLiteCacheSize();
 
             $rootScope.nums = [3,4,5];
             $rootScope.$apply();
-            expect(calcCacheSize()).toEqual(size);
+            expect(jqLiteCacheSize()).toEqual(size);
 
             element.remove();
-            expect(calcCacheSize()).toEqual(0);
+            expect(jqLiteCacheSize()).toEqual(0);
           });
         });
       });

test/ngMock/angular-mocksSpec.js

@@ -705,72 +705,6 @@ describe('ngMock', function() {
   });
 
 
-  describe('angular.mock.clearDataCache', function() {
-    if (window.jQuery) {
-      // jQuery 2.x doesn't expose the cache storage.
-      return;
-    }
-
-    function keys(obj) {
-      var keysArr = [];
-      for(var key in obj) {
-        if (obj.hasOwnProperty(key)) keysArr.push(key);
-      }
-      return keysArr.sort();
-    }
-
-    function browserTrigger(element, eventType) {
-      element = element[0];
-      if (document.createEvent) {
-        var event = document.createEvent('MouseEvents');
-        event.initMouseEvent(eventType, true, true, window, 0, 0, 0, 0, 0, false, false,
-          false, false, 0, element);
-        element.dispatchEvent(event);
-      } else {
-        element.fireEvent('on' + eventType);
-      }
-    }
-
-    it('should remove data', function() {
-      expect(angular.element.cache).toEqual({});
-      var div = angular.element('<div></div>');
-      div.data('name', 'angular');
-      expect(keys(angular.element.cache)).not.toEqual([]);
-      angular.mock.clearDataCache();
-      expect(keys(angular.element.cache)).toEqual([]);
-    });
-
-    it('should deregister event handlers', function() {
-      expect(keys(angular.element.cache)).toEqual([]);
-      var log = '';
-      var div = angular.element('<div></div>');
-
-      // crazy IE9 requires div to be connected to render DOM for click event to work
-      // mousemove works even when not connected. This is a heisen-bug since stepping
-      // through the code makes the test pass. Viva IE!!!
-      angular.element(document.body).append(div);
-
-      div.on('click', function() { log += 'click1;'; });
-      div.on('click', function() { log += 'click2;'; });
-      div.on('mousemove', function() { log += 'mousemove;'; });
-
-      browserTrigger(div, 'click');
-      browserTrigger(div, 'mousemove');
-      expect(log).toEqual('click1;click2;mousemove;');
-      log = '';
-
-      angular.mock.clearDataCache();
-
-      browserTrigger(div, 'click');
-      browserTrigger(div, 'mousemove');
-      expect(log).toEqual('');
-      expect(keys(angular.element.cache)).toEqual([]);
-
-      div.remove();
-    });
-  });
-
-
   describe('jasmine module and inject', function(){
     var log;