example: Bindings/CP/observers

test.js

var bar, Bar;

module('Ember.Object compare Binding/CP/Observers', {

  setup: function() {


  },

  teardown: function() {
    
    if ( bar ) {
      Ember.run(function(){
        bar.destroy();
      });
    }

  }
      
});

test('Observers are fired sync', function() {

  var counter = 0;
  Bar = Ember.Object.extend({
    value: null,
    valueDidChange: Ember.observer(function() {
      counter++;
    }, 'value')
  });
  bar = Bar.create({});

  bar.set('value', true);

  equal(counter, 1, 'observers are fired synchronously');


});

test('CP are sync', function() {

  Bar = Ember.Object.extend({
    value: true,

    computedValue: Ember.computed(function(){
      return !this.get('value');
    }).property('value')
  });

  bar = Bar.create({});
  bar.set('value', true);

  equal(bar.get('computedValue') , false, 'CP are fired synchronously');

});

test('Bindings are async', function() {

  Bar = Ember.Object.extend({
    value: true,
    computedValueBinding: 'value'
  });
  bar = Bar.create({});

  Ember.run(function(){
    bar.set('value', false);
    equal(bar.get('computedValue') , true, 'Bindings are not updated after next `sync` queue');
  });

  equal(bar.get('computedValue') , false, 'Bindings are fired synchronously');


});