dev_guide.services.testing_services.html

<h1>Developer Guide: Angular Services: Testing Angular Services</h1>
<div class="developer-guide-angular-services-testing-angular-services"><fieldset class="workInProgress"><legend>Work in Progress</legend>
This page is currently being revised. It might be incomplete or contain inaccuracies.</fieldset>
<p>Following is a unit test for the service in the example in <a href="#!/guide/dev_guide.services.creating_services">Creating Angular Services</a>. The unit test example uses Jasmine
spy (mock) instead of a real browser alert.</p><div ng:non-bindable><pre class="brush: js;">
var mock, notify;

beforeEach(function() {
  mock = {alert: jasmine.createSpy()};
  notify = angular.service('notify')(mock);
});

it('should not alert first two notifications', function() {
  notify('one');
  notify('two');

  expect(mock.alert).not.toHaveBeenCalled();
});

it('should alert all after third notification', function() {
  notify('one');
  notify('two');
  notify('three');

  expect(mock.alert).toHaveBeenCalledWith("one\ntwo\nthree");
});

it('should clear messages after alert', function() {
  notify('one');
  notify('two');
  notify('third');
  notify('more');
  notify('two');
  notify('third');

  expect(mock.alert.callCount).toEqual(2);
  expect(mock.alert.mostRecentCall.args).toEqual(["more\ntwo\nthird"]);
});
</pre></div><h3>Related Topics</h3>

<ul>
<li><a href="#!/guide/dev_guide.services.understanding_services">Understanding Angular Services</a></li>
<li><a href="#!/guide/dev_guide.services.creating_services">Creating Angular Services</a></li>
<li><a href="#!/guide/dev_guide.services.registering_services">Registering Angular Services</a></li>
<li><a href="#!/guide/dev_guide.services.managing_dependencies">Managing Service Dependencies</a></li>
<li><a href="#!/guide/dev_guide.services.injecting_controllers">Injecting Services Into Conrollers</a></li>
</ul>

<h3>Related API</h3>

<ul>
<li><a href="#!/api/angular.service"><code>Angular Service API</code></a></li>
</ul></div>