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-rw-r--r--test/ScopeSpec.js181
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+describe('scope/model', function(){
+
+ it('should create a scope with parent', function(){
+ var model = createScope({name:'Misko'});
+ expect(model.name).toEqual('Misko');
+ });
+
+ it('should have $get/set$/parent$', function(){
+ var parent = {};
+ var model = createScope(parent);
+ model.$set('name', 'adam');
+ expect(model.name).toEqual('adam');
+ expect(model.$get('name')).toEqual('adam');
+ expect(model.$parent).toEqual(model);
+ expect(model.$root).toEqual(model);
+ });
+
+ describe('$eval', function(){
+ it('should eval function with correct this and pass arguments', function(){
+ var model = createScope();
+ model.$eval(function(name){
+ this.name = name;
+ }, 'works');
+ expect(model.name).toEqual('works');
+ });
+
+ it('should eval expression with correct this', function(){
+ var model = createScope();
+ model.$eval('name="works"');
+ expect(model.name).toEqual('works');
+ });
+
+ it('should do nothing on empty string and not update view', function(){
+ var model = createScope();
+ var onEval = jasmine.createSpy('onEval');
+ model.$onEval(onEval);
+ model.$eval('');
+ expect(onEval).wasNotCalled();
+ });
+ });
+
+ describe('$watch', function(){
+ it('should watch an expression for change', function(){
+ var model = createScope();
+ model.oldValue = "";
+ var nameCount = 0, evalCount = 0;
+ model.name = 'adam';
+ model.$watch('name', function(){ nameCount ++; });
+ model.$watch(function(){return model.name;}, function(newValue, oldValue){
+ this.newValue = newValue;
+ this.oldValue = oldValue;
+ });
+ model.$onEval(function(){evalCount ++;});
+ model.name = 'misko';
+ model.$eval();
+ expect(nameCount).toEqual(2);
+ expect(evalCount).toEqual(1);
+ expect(model.newValue).toEqual('misko');
+ expect(model.oldValue).toEqual('adam');
+ });
+
+ it('should eval with no arguments', function(){
+ var model = createScope();
+ var count = 0;
+ model.$onEval(function(){count++;});
+ model.$eval();
+ expect(count).toEqual(1);
+ });
+ });
+
+ describe('$bind', function(){
+ it('should curry a function with respect to scope', function(){
+ var model = createScope();
+ model.name = 'misko';
+ expect(model.$bind(function(){return this.name;})()).toEqual('misko');
+ });
+ });
+
+ describe('$tryEval', function(){
+ it('should report error on element', function(){
+ var scope = createScope();
+ scope.$tryEval('throw "myerror";', function(error){
+ scope.error = error;
+ });
+ expect(scope.error).toEqual('myerror');
+ });
+
+ it('should report error on visible element', function(){
+ var element = jqLite('<div></div>');
+ var scope = createScope();
+ scope.$tryEval('throw "myError"', element);
+ expect(element.attr('ng-exception')).toEqual('"myError"'); // errors are jsonified
+ expect(element.hasClass('ng-exception')).toBeTruthy();
+ });
+
+ it('should report error on $excetionHandler', function(){
+ var element = jqLite('<div></div>');
+ var scope = createScope();
+ scope.$exceptionHandler = function(e){
+ this.error = e;
+ };
+ scope.$tryEval('throw "myError"');
+ expect(scope.error).toEqual("myError");
+ });
+ });
+
+ // $onEval
+ describe('$onEval', function(){
+ it("should eval using priority", function(){
+ var scope = createScope();
+ scope.log = "";
+ scope.$onEval('log = log + "middle;"');
+ scope.$onEval(-1, 'log = log + "first;"');
+ scope.$onEval(1, 'log = log + "last;"');
+ scope.$eval();
+ expect(scope.log).toEqual('first;middle;last;');
+ });
+
+ it("should have $root and $parent", function(){
+ var parent = createScope();
+ var scope = createScope(parent);
+ expect(scope.$root).toEqual(parent);
+ expect(scope.$parent).toEqual(parent);
+ });
+ });
+
+ describe('service injection', function(){
+ it('should inject services', function(){
+ var scope = createScope(null, {
+ service:function(){
+ return "ABC";
+ }
+ });
+ expect(scope.service).toEqual("ABC");
+ });
+
+ it('should inject arugments', function(){
+ var scope = createScope(null, {
+ name:function(){
+ return "misko";
+ },
+ greet: extend(function(name) {
+ return 'hello ' + name;
+ }, {inject:['name']})
+ });
+ expect(scope.greet).toEqual("hello misko");
+ });
+
+ it('should throw error on missing dependency', function(){
+ try {
+ createScope(null, {
+ greet: extend(function(name) {
+ }, {inject:['name']})
+ });
+ } catch(e) {
+ expect(e).toEqual("Don't know how to inject 'name'.");
+ }
+ });
+ });
+
+ describe('getterFn', function(){
+ it('should get chain', function(){
+ expect(getterFn('a.b')(undefined)).toEqual(undefined);
+ expect(getterFn('a.b')({})).toEqual(undefined);
+ expect(getterFn('a.b')({a:null})).toEqual(undefined);
+ expect(getterFn('a.b')({a:{}})).toEqual(undefined);
+ expect(getterFn('a.b')({a:{b:null}})).toEqual(null);
+ expect(getterFn('a.b')({a:{b:0}})).toEqual(0);
+ expect(getterFn('a.b')({a:{b:'abc'}})).toEqual('abc');
+ });
+
+ it('should map type method on top of expression', function(){
+ expect(getterFn('a.$filter')({a:[]})('')).toEqual([]);
+ });
+
+ it('should bind function this', function(){
+ expect(getterFn('a')({a:function($){return this.b + $;}, b:1})(2)).toEqual(3);
+
+ });
+ });
+});