什么是测试“创建”控制器操作的正确方法？ [英] What is the proper way to test 'create' controller actions?

问题描述

我使用Ruby on Rails 3.2.2，Rspec 2.9.0和RspecRails 2.9.0。我想测试创建控制器操作，但我不知道如何使正确/正确的方式。我脚手架模型，控制器，视图，...文件，所以在那些文件我有Ruby on Rails生成器生成的公共代码;在我的spec文件中我有：

I am using Ruby on Rails 3.2.2, Rspec 2.9.0 and RspecRails 2.9.0. I would like to test the create controller action but I don't know how to make that the "right"/"proper" way. I "scaffolded" model, controller, view, ... files, so in those files I have the common code generated by Ruby on Rails generators; in my spec file I have:

it "assigns @article" do
  new_article = FactoryGirl.build(:article)
  Article.should_receive(:new).and_return(new_article)
  post :create
  assigns[:article].should eq(new_article)
end

也许，（注意：上面的代码几乎和我用来测试 new controller action）一个更好的测试 create 控制器动作的方法是在 post：create 动作，而不是像上面那样进行操作，但我不知道如何做，如果是right/

Maybe, (note: the above code is almost the same as that I use to test the new controller action) a better way to test create controller actions would be to pass some attribute value during the post :create action instead of proceed as I make above, but I don't know how to make that and if it is the "right"/"proper" way to make things.

因此，测试创建控制器操作的正确方法是什么？

推荐答案

如何：

it "creates article" do 
  article_params = FactoryGirl.attributes_for(:article)
  expect { post :create, :article => article_params }.to change(Article, :count).by(1) 
end

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