Here we extend the basic form example to include common features such as reverting, dirty state detection, and preventing invalid form submission.
<script> function UserForm($scope) { var master = { name: 'John Smith', address:{ line1: '123 Main St.', city:'Anytown', state:'AA', zip:'12345' }, contacts:[ {type:'phone', value:'1(234) 555-1212'} ] }; $scope.state = /^\w\w$/; $scope.zip = /^\d\d\d\d\d$/; $scope.cancel = function() { $scope.form = angular.copy(master); }; $scope.save = function() { master = $scope.form; $scope.cancel(); }; $scope.addContact = function() { $scope.form.contacts.push({type:'', value:''}); }; $scope.removeContact = function(contact) { var contacts = $scope.form.contacts; for (var i = 0, ii = contacts.length; i < ii; i++) { if (contact === contacts[i]) { contacts.splice(i, 1); } } }; $scope.isCancelDisabled = function() { return angular.equals(master, $scope.form); }; $scope.isSaveDisabled = function() { return $scope.myForm.$invalid || angular.equals(master, $scope.form); }; $scope.cancel(); } </script> <div ng-controller="UserForm"> <form name="myForm"> <label>Name:</label><br/> <input type="text" ng-model="form.name" required/> <br/><br/> <label>Address:</label> <br/> <input type="text" ng-model="form.address.line1" size="33" required/> <br/> <input type="text" ng-model="form.address.city" size="12" required/>, <input type="text" ng-model="form.address.state" size="2" ng-pattern="state" required/> <input type="text" ng-model="form.address.zip" size="5" ng-pattern="zip" required/><br/><br/> <label>Contacts:</label> [ <a href="" ng-click="addContact()">add</a> ] <div ng-repeat="contact in form.contacts"> <select ng-model="contact.type"> <option>email</option> <option>phone</option> <option>pager</option> <option>IM</option> </select> <input type="text" ng-model="contact.value" required/> [ <a href="" ng-click="removeContact(contact)">X</a> ] </div> <button ng-click="cancel()" ng-disabled="{{isCancelDisabled()}}">Cancel</button> <button ng-click="save()" ng-disabled="{{isSaveDisabled()}}">Save</button> </form> <hr/> Debug View: <pre>form={{form}}</pre> </div>
it('should enable save button', function() { expect(element(':button:contains(Save)').attr('disabled')).toBeTruthy(); input('form.name').enter(''); expect(element(':button:contains(Save)').attr('disabled')).toBeTruthy(); input('form.name').enter('change'); expect(element(':button:contains(Save)').attr('disabled')).toBeFalsy(); element(':button:contains(Save)').click(); expect(element(':button:contains(Save)').attr('disabled')).toBeTruthy(); }); it('should enable cancel button', function() { expect(element(':button:contains(Cancel)').attr('disabled')).toBeTruthy(); input('form.name').enter('change'); expect(element(':button:contains(Cancel)').attr('disabled')).toBeFalsy(); element(':button:contains(Cancel)').click(); expect(element(':button:contains(Cancel)').attr('disabled')).toBeTruthy(); expect(element(':input[ng\\:model="form.name"]').val()).toEqual('John Smith'); });