AngularJS - Required Textarea Plain

<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Example - example-input-directive-production</title>
  

  <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.5.2/angular.min.js"></script>
  

  
</head>
<body ng-app="inputExample">
  <script>
   angular.module('inputExample', [])
     .controller('ExampleController', ['$scope', function($scope) {
       $scope.user = {name: 'guest', last: 'visitor'};
     }]);
</script>
<div ng-controller="ExampleController">
  <form name="myForm">
    <label>
       User name:
       <input type="text" name="userName" ng-model="user.name" required>
    </label>
    <div role="alert">
      <span class="error" ng-show="myForm.userName.$error.required">
       Required!</span>
    </div>
    <label>
       Last name:
       <textarea name="lastName" ng-model="user.last"
       required="true"></textarea>
    </label>
    <div role="alert">
      <span class="error" ng-show="myForm.lastName.$error.required">
        Textarea is required</span>
      <span class="error" ng-show="myForm.lastName.$error.maxlength">
        Too long!</span>
    </div>
  </form>
  <hr>
  <tt>user = {{user}}</tt><br/>
  <tt>myForm.userName.$valid = {{myForm.userName.$valid}}</tt><br/>
  <tt>myForm.userName.$error = {{myForm.userName.$error}}</tt><br/>
  <tt>myForm.lastName.$valid = {{myForm.lastName.$valid}}</tt><br/>
  <tt>myForm.lastName.$error = {{myForm.lastName.$error}}</tt><br/>
  <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>
  <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>
  <tt>myForm.$error.minlength = {{!!myForm.$error.minlength}}</tt><br/>
  <tt>myForm.$error.maxlength = {{!!myForm.$error.maxlength}}</tt><br/>
</div>
</body>
</html>

<!-- 
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
-->

var user = element(by.exactBinding('user'));
var userNameValid = element(by.binding('myForm.userName.$valid'));
var lastNameValid = element(by.binding('myForm.lastName.$valid'));
var lastNameError = element(by.binding('myForm.lastName.$error'));
var formValid = element(by.binding('myForm.$valid'));
var userNameInput = element(by.model('user.name'));
var userLastInput = element(by.model('user.last'));

it('should initialize to model', function() {
  expect(user.getText()).toContain('{"name":"guest","last":"visitor"}');
  expect(userNameValid.getText()).toContain('true');
  expect(formValid.getText()).toContain('true');
});

it('should be invalid if empty when required', function() {
  userNameInput.clear();
  userNameInput.sendKeys('');

  expect(user.getText()).toContain('{"last":"visitor"}');
  expect(userNameValid.getText()).toContain('false');
  expect(formValid.getText()).toContain('false');
});

it('should be valid if empty when min length is set', function() {
  userLastInput.clear();
  userLastInput.sendKeys('');

  expect(user.getText()).toContain('{"name":"guest","last":""}');
  expect(lastNameValid.getText()).toContain('true');
  expect(formValid.getText()).toContain('true');
});

it('should be invalid if less than required min length', function() {
  userLastInput.clear();
  userLastInput.sendKeys('xx');

  expect(user.getText()).toContain('{"name":"guest"}');
  expect(lastNameValid.getText()).toContain('false');
  expect(lastNameError.getText()).toContain('minlength');
  expect(formValid.getText()).toContain('false');
});

it('should be invalid if longer than max length', function() {
  userLastInput.clear();
  userLastInput.sendKeys('some ridiculously long name');

  expect(user.getText()).toContain('{"name":"guest"}');
  expect(lastNameValid.getText()).toContain('false');
  expect(lastNameError.getText()).toContain('maxlength');
  expect(formValid.getText()).toContain('false');
});

/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/