test-component.js

test('Testing a component', function () {
	var component = App.ExampleButtonComponent.create({
		layoutName : 'components/example-button'
	});

	Ember.run(function () {
		component.append();
	});

	equal(component.$('.is-not-enabled').length, 1, 'Should show the .is-not-enabled element');
	equal(component.$('.is-enabled').length, 0, 'Should not show the .is-not-enabled element');

	Ember.run(function () {
		component.set('isEnabled', true);
	});

	equal(component.$('.is-not-enabled').length, 0, 'Should not show the .is-not-enabled element');
	equal(component.$('.is-enabled').length, 1, 'Should show the .is-not-enabled element');
});