Top method for creating Jasmine Tests for a DOM directive

Question

Top method for creating Jasmine Tests for a DOM directive

As a beginner in Jasmine BDD testing for Angular JS, I am looking for a simple test case. Can anyone provide an example?

This is my directive:

var app = angular.module('gls', []);

app.directive('changeBg', function() {
    return {
        restrict: 'A',
        link: function($scope, element, attrs) {
         element.bind('click', function(){
             element.css('background','red');
         });
        }
    };
});

Here is the markup:

<body ng-app="gls">
<a href='#' change-bg>Test link 1</a>
</body>

javascript angularjs angularjs-directive jasmine

Answer 1

Answer №1

When testing a directive, the general process involves creating a scope, compiling a basic template using the directive, and then executing some action on it. In this scenario, the action is a click event (which typically requires jQuery).

describe('Testing the changeBg directive', function() {
  var element = null;

  //It's important to specify your module in the test
  beforeEach(module('plunker'));

  beforeEach(inject(function($rootScope,$compile) {
    var scope = $rootScope.$new();
    var template = '<span change-bg></span>';
    element = $compile(template)(scope);
    element.click(); // Requires jQuery
  }));

  it('should turn red after being clicked', function() {
    expect(element.css('background')).toEqual('red');
  });
});

To see this in action, you can visit this plunkr.

Answer 2

When testing a directive, the general process involves creating a scope, compiling a basic template using the directive, and then executing some action on it. In this scenario, the action is a click event (which typically requires jQuery).

describe('Testing the changeBg directive', function() {
  var element = null;

  //It's important to specify your module in the test
  beforeEach(module('plunker'));

  beforeEach(inject(function($rootScope,$compile) {
    var scope = $rootScope.$new();
    var template = '<span change-bg></span>';
    element = $compile(template)(scope);
    element.click(); // Requires jQuery
  }));

  it('should turn red after being clicked', function() {
    expect(element.css('background')).toEqual('red');
  });
});

To see this in action, you can visit this plunkr.

Top method for creating Jasmine Tests for a DOM directive

Answer №1

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