用sinon和konacha测试ember.js中的动作

时间:2014-01-10 11:22:03

标签: javascript ember.js sinon konacha

我的应用中有一个简单的route,如下所示:

Dash.PostsNewRoute = Em.Route.extend({
  model: function() {
    return this.store.createRecord('post');
  },

  actions: {
    saveForm: function() {
      this.modelFor('postsNew').save();
    }
  }
});

以下是我为测试saveForm编写的测试,并确保调用它:

...
context('create new post', function() {
  beforeEach(function() {
    ...
  });

  it('calls submit on route', function() {
    var mock;
    mock = sinon.mock(testHelper.lookup('route', 'posts.new'));
    mock.expects('actions.saveForm').once();

    this.submitButton.click();

    mock.verify();
    mock.restore();
  });
});

但是,我在这个实现中遇到错误: Attempted to wrap undefined property actions.saveForm as function

如果我更改路线并且这样测试,它将起作用:

// Moving the save out of action and call it
Dash.PostsNewRoute = Em.Route.extend({
  model: function() {
    this.store.createRecord('post');
  },

  save: function() {
    this.modelFor('postsNew').save()
  },

  actions: {
    saveForm: function() {
      this.save();
    }
  }
});

新测试:

  it('calls submit on route', function() {
    var mock;
    mock = sinon.mock(testHelper.lookup('route', 'posts.new'));
    mock.expects('save').once();

    this.submitButton.click();

    mock.verify();
    mock.restore();
  });

这样测试就会通过。是否可以直接测试actions.saveForm?是什么限制了sinon阻止我访问actions.saveForm?

1 个答案:

答案 0 :(得分:3)

你可以模仿动作哈希并为它设置期望:

mock = sinon.mock(testHelper.lookup('controller', 'posts_new')._actions);
mock.expects('save').once();

this.submitButton.click();

mock.verify();
mock.restore();