<script>
  angular.module('textInputExample', [])
    .controller('ExampleController', ['$scope', Function($scope) {
      $scope.text = 'guest';
      $scope.word = /^\s*\w*\s*$/;
    }]);
</script>
<form name="myForm" ng-controller="ExampleController">
  Single word: <input Type="text" name="input" ng-model="text"
                      ng-pattern="word" required ng-trim="false">
  <span class="error" ng-show="myForm.input.$error.required">
    Required!</span>
  <span class="error" ng-show="myForm.input.$error.pattern">
    Single word only!</span>

  <tt>text = {{text}}</tt><br/>
  <tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br/>
  <tt>myForm.input.$error = {{myForm.input.$error}}</tt><br/>
  <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>
  <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>
 </form>

var text = element(by.binding('text'));var valid = element(by.binding('myForm.input.$valid'));var input = element(by.model('text'));

it('should initialize to model', Function() {
  expect(text.getText()).toContain('guest');
  expect(valid.getText()).toContain('true');});

it('should be invalid if empty', Function() {
  input.clear();
  input.sendKeys('');

  expect(text.getText()).toEqual('text =');
  expect(valid.getText()).toContain('false');});

it('should be invalid if multi word', Function() {
  input.clear();
  input.sendKeys('hello world');

  expect(valid.getText()).toContain('false');});