ruby-on-rails – rspec控制器测试,预期响应为a,但是

发布时间：2020-12-17 03:17:10 所属栏目：百科来源：网络整理

导读：我正在使用rspec和Factory Girl进行测试.在测试我的posts_controller的POST #create部分时,我在标题中收到错误. Failures: 1) PostsController POST #create with valid attributes redirects to the post Failure/Error: response.should redirect_to Post.

我正在使用rspec和Factory Girl进行测试.在测试我的posts_controller的POST #create部分时,我在标题中收到错误.

Failures:

  1) PostsController POST #create with valid attributes redirects to the post
     Failure/Error: response.should redirect_to Post.last
       Expected response to be a <redirect>,but was <200>
     # ./spec/controllers/posts_controller_spec.rb:59:in `block (4 levels) in <top (required)>'

这是正在测试的规范的代码.我确信这不是最有效的方法,但确实有效.

def create

    @post = Post.new(
      :text => post_params[:text],:embed => post_params[:embed],:user => current_user,:title => post_params[:title],:tag_list => post_params[:tag_list],:cagegory_ids => post_params[:category_ids]
    )


    if @post.save
      redirect_to @post
    else
      render 'new'
    end

  end

...

  private    
    def post_params
      params.require(:post).permit(:title,:text,:embed,:user_id,:tag_list,:category_ids => [])
    end

这是工厂.

FactoryGirl.define do  
  factory :post do
    title { Faker::Lorem.characters(char_count = 20) }
    text { Faker::Lorem.characters(char_count = 150) }
    user
    categories {
      Array(5..10).sample.times.map do
        FactoryGirl.create(:category)
      end
    }
  end
end

和规范的相关部分

describe "POST #create" do
    context "with valid attributes" do
      it "saves the new post" do
        expect{
                post :create,post: FactoryGirl.create(:post).attributes
              }.to change(Post,:count).by(1)

      end

      it "redirects to the post" do
        post :create,post: FactoryGirl.create(:post).attributes
        response.should redirect_to Post.last
      end        
    end
  end

另一个测试,“保存新帖子”,工作正常.我已经尝试了redirect_to行的其他变体,例如“redirect_to(posts_path(assigns [：post]))”,它会抛出相同的错误.

有任何想法吗？

解决方法

好的,我解决了我的问题.它不漂亮,但它的工作原理.

问题在于Factory Girl和协会,我绝对不是第一个遇到这个问题的人,但其他解决方案都没有.

我之前添加了这个：每个都在POST #create部分的顶部…

describe "POST #create" do
    before :each do
      Post.destroy_all
      @cat = FactoryGirl.create(:category)
      @newpost = FactoryGirl.build(:post)
      @post_params = {category_ids: [@cat.id]}.merge(@newpost.attributes)
    end
...

…将post params放入一个新的哈希值,我稍后可以在这样的代码中调用它…

it "saves the new post" do
    expect{
             post :create,post: @post_params
           }.to change(Post,:count).by(1)
  end

  it "redirects to the post" do
    post :create,post: @post_params
    response.should redirect_to Post.last
  end

所以这就解决了.它为测试增加了一些开销,但它确实有效.我不会将此标记为几天的解决方案,以防其他人遇到更好,更简单的代码.我绝对欢迎任何更多的想法.

（编辑：李大同）

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