发出请求之前规范中的 Rspec 2.7 访问控制器会话

问题描述

我正在使用 Rspec 测试我的控制器，但在向路径发出请求之前，我似乎无法设置当前被测控制器的会话变量.例如这有效:

I'm testing my controllers using Rspec and I can't seem to set the session variable of the current controller under test before making the request to the path.For example this works:

  describe "GET /controller/path" do
    it "if not matching CRSF should display message" do
      get controller_path

      request.session[:state] = "12334"
    end
  end

这不起作用(我收到一条错误消息，说 session 不是 Nil 类的方法):

This doesn't work (i get an error saying session is not a method of Nil class):

      describe "GET /controller/path" do
        it "if not matching CRSF should display message" do
          request.session[:state] = "12334"
          get controller_path
        end
      end

有什么想法吗?

推荐答案

RSpec 的新版本做得很好，看:

With new version of RSpec this is done pretty nice, look:

describe SessionController do
  # routes are mapped as:
  # match 'login' => 'session#create'
  # get 'logout' => 'session#destroy'

  describe "#create" do
    context "with valid credentials" do
      let :credentials do
        { :email => '[email protected]', :password => 'secret' }
      end

      let :user do
        FactoryGirl.create(:user, credentials)
      end

      before :each do
        post '/login', credentials
      end

      it "creates a user session" do
        session[:user_id].should == user.id
      end
    end

    # ...
  end

  describe "#destroy" do
    context "when user logged in" do
      before :each do
        get "/logout", {}, { :user_id => 123 } # the first hash is params, second is session
      end

      it "destroys user session" do
        session[:user_id].should be_nil
      end

      # ...
    end
  end
end

你也可以在 before(:each) 块中简单地使用 request.session[:user_id] = 123 ，但上面看起来更漂亮.

You can also use simply request.session[:user_id] = 123 inside before(:each) block, but above looks pretty nicer.

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