fix(input): $asyncValidators should allow $parsers

After resolving the async validators, it should execute all parsers
on the viewValue before comparing it to the currentValue.

Author: Gonzalo Ruiz de Villa

src/ng/directive/input.js

@@ -1730,7 +1730,14 @@ var NgModelController = ['$scope', '$exceptionHandler', '$attrs', '$element', '$
 
     function resolve(bool) {
       return function() {
-        var value = ctrl.$viewValue || '';
+        var value = ctrl.$viewValue;
+        for(var i = 0; i < ctrl.$parsers.length; i++) {
+          value = ctrl.$parsers[i](value);
+          if(isUndefined(value)) {
+            break;
+          }
+        }
+        value =  value || '';
         if (ctrl.$pending && ctrl.$pending[validationErrorKey] && currentValue === value) {
           pendingCount--;
           delete ctrl.$pending[validationErrorKey];

test/ng/directive/inputSpec.js

@@ -730,6 +730,37 @@ describe('NgModelController', function() {
       dealoc(element);
     }));
 
+    it('should re-evaluate the form validity state against a parsed view value',
+      inject(function($compile, $rootScope, $q) {
+      var element = $compile('<form name="myForm">' +
+                               '<input type="number" name="curiousnumber" ng-model="curiousnumber" />' +
+                             '</form>')($rootScope);
+      var inputElm = element.find('input');
+
+      var formCtrl = $rootScope.myForm;
+      var curiousnumberCtrl = formCtrl.curiousnumber;
+      var curiousnumberDefer;
+      curiousnumberCtrl.$asyncValidators.isCurious = function() {
+        curiousnumberDefer = $q.defer();
+        return curiousnumberDefer.promise;
+      };
+
+      curiousnumberCtrl.$setViewValue("22");
+      $rootScope.$digest();
+      expect(curiousnumberCtrl.$pending.isCurious).toBe(true);
+      
+      curiousnumberDefer.resolve();
+      $rootScope.$digest();
+      expect(curiousnumberCtrl.$pending).toBeUndefined();
+
+      /*expect(formCtrl.$invalid).toBe(true);
+
+      $rootScope.$digest();
+      expect(curiousnumberCtrl.$invalid).toBe(false);
+      expect(formCtrl.$invalid).toBe(false);
+*/
+      dealoc(element);
+    }));
   });
 });