Jasmine test suite for Deft.mixin.Controllable

Controllable.js

// Generated by CoffeeScript 1.3.3
/*
 Copyright (c) 2012 [DeftJS Framework Contributors](http://deftjs.org)
 Open source under the [MIT License](http://en.wikipedia.org/wiki/MIT_License).
 */

/*
 Jasmine test suite for Deft.mixin.Controllable
 */

describe('Deft.mixin.Controllable', function() {
  it('should create an instance of the view controller specified by the target view `controller` property and configure it with a reference to the target view instance when an instance of the target view is created', function() {
    var constructorSpy, exampleViewControllerInstance, exampleViewInstance;
    exampleViewInstance = null;
    exampleViewControllerInstance = null;
    Ext.define('ExampleViewController', {
      extend: 'Deft.mvc.ViewController'

    });

    Ext.define('ExampleView', {
      extend: 'Ext.Container',
      mixins: ['Deft.mixin.Controllable'],
      controller: 'ExampleViewController',
      constructor : function (config) {
        var me = this;
        me.callParent(arguments);
      }

    });
    constructorSpy = spyOn(ExampleViewController.prototype, 'constructor').andCallFake(function() {
      exampleViewControllerInstance = this;
      return constructorSpy.originalValue.apply(this, arguments);
    });
    exampleViewInstance = Ext.create('ExampleView');
    expect(ExampleViewController.prototype.constructor).toHaveBeenCalled();
    expect(ExampleViewController.prototype.constructor.callCount).toBe(1);
    expect(exampleViewControllerInstance.getView()).toBe(exampleViewInstance);
  });
  it('should pass the configuration object defined in the target view\'s `controllerConfig` config to the view controller\'s constructor', function() {
    var constructorSpy, exampleViewControllerInstance, exampleViewInstance;
    exampleViewInstance = null;
    exampleViewControllerInstance = null;
    Ext.define('ExampleViewController', {
      extend: 'Deft.mvc.ViewController',
      config: {
        value: null
      }
    });
    Ext.define('ExampleView', {
      extend: 'Ext.Container',
      alias: 'widget.ExampleView',
      mixins: ['Deft.mixin.Controllable'],
      controller: 'ExampleViewController',
      controllerConfig: {
        value: 'expected value'
      }
    });
    constructorSpy = spyOn(ExampleViewController.prototype, 'constructor').andCallFake(function() {
      exampleViewControllerInstance = this;
      return constructorSpy.originalValue.apply(this, arguments);
    });
    exampleViewInstance = Ext.create('ExampleView');
    expect(ExampleViewController.prototype.constructor).toHaveBeenCalledWith({
      view: exampleViewInstance,
      value: 'expected value'
    });
    expect(ExampleViewController.prototype.constructor.callCount).toBe(1);
    expect(exampleViewControllerInstance.getView()).toBe(exampleViewInstance);
    expect(exampleViewControllerInstance.getValue()).toBe('expected value');
  });
  it('should pass the configuration object passed to the target view\'s `controllerConfig` config to the view controller\'s constructor', function() {
    var constructorSpy, exampleViewControllerInstance, exampleViewInstance;
    exampleViewInstance = null;
    exampleViewControllerInstance = null;
    Ext.define('ExampleViewController', {
      extend: 'Deft.mvc.ViewController',
      config: {
        value: null
      }
    });
    Ext.define('ExampleView', {
      extend: 'Ext.Container',
      alias: 'widget.ExampleView',
      mixins: ['Deft.mixin.Controllable'],
      controller: 'ExampleViewController'
    });
    constructorSpy = spyOn(ExampleViewController.prototype, 'constructor').andCallFake(function() {
      exampleViewControllerInstance = this;
      return constructorSpy.originalValue.apply(this, arguments);
    });
    exampleViewInstance = Ext.create('ExampleView', {
      controllerConfig: {
        value: 'expected value'
      }
    });
    expect(ExampleViewController.prototype.constructor).toHaveBeenCalledWith({
      view: exampleViewInstance,
      value: 'expected value'
    });
    expect(ExampleViewController.prototype.constructor.callCount).toBe(1);
    expect(exampleViewControllerInstance.getView()).toBe(exampleViewInstance);
    expect(exampleViewControllerInstance.getValue()).toBe('expected value');
  });
  it('should automatically add a getController() accessor method to the target view that returns the associated the view controller instance', function() {
    var constructorSpy, exampleViewControllerInstance, exampleViewInstance;
    exampleViewInstance = null;
    exampleViewControllerInstance = null;
    Ext.define('ExampleViewController', {
      extend: 'Deft.mvc.ViewController'
    });
    Ext.define('ExampleView', {
      extend: 'Ext.Container',
      mixins: ['Deft.mixin.Controllable'],
      controller: 'ExampleViewController'
    });
    constructorSpy = spyOn(ExampleViewController.prototype, 'constructor').andCallFake(function() {
      exampleViewControllerInstance = this;
      return constructorSpy.originalValue.apply(this, arguments);
    });
    exampleViewInstance = Ext.create('ExampleView');
    return expect(exampleViewInstance.getController()).toBe(exampleViewControllerInstance);
  });
  it('should automatically remove that getController() accessor method from the target view when it is destroyed', function() {
    var exampleViewControllerInstance, exampleViewInstance;
    exampleViewInstance = null;
    exampleViewControllerInstance = null;
    Ext.define('ExampleViewController', {
      extend: 'Deft.mvc.ViewController'
    });
    Ext.define('ExampleView', {
      extend: 'Ext.Container',
      mixins: ['Deft.mixin.Controllable'],
      controller: 'ExampleViewController'
    });
    exampleViewInstance = Ext.create('ExampleView');
    exampleViewInstance.destroy();
    return expect(exampleViewInstance.getController).toBe(void 0);
  });
  return it('should re-throw any error thrown by the view controller during instantiation', function() {
    Ext.define('ExampleErrorThrowingViewController', {
      extend: 'Deft.mvc.ViewController',
      constructor: function() {
        throw new Error('Error thrown by \`ExampleErrorThrowingViewController\`.');
      }
    });
    Ext.define('ExampleView', {
      extend: 'Ext.Container',
      mixins: ['Deft.mixin.Controllable'],
      controller: 'ExampleErrorThrowingViewController'
    });
    expect(function() {
      Ext.create('ExampleView');
    }).toThrow('Error thrown by \`ExampleErrorThrowingViewController\`.');
  });
});