"应该得到节目"控制器测试对嵌套资源失败

时间:2015-04-05 20:07:20

标签: ruby-on-rails ruby-on-rails-4 nested-resources ruby-test

我有一个User模型和一个Shoppingcart模型

# user.rb
class User < ActiveRecord::Base
    has_one :shoppingcart
end

# shopppingcart.rb
class Shoppingcart < ActiveRecord::Base
    belongs_to :user
end

我在routes.rb中有这个:

resources :users do
    resource :shoppingcart
end

并且在Shoppingcarts_controller.rb中我有

class ShoppingcartsController < ApplicationController
    def show
        @user = User.find(current_user)
        @shoppingcart = @user.build_shoppingcart
    end
end

并在shoppingcarts_controller_test.rb中:

require 'test_helper'
class ShoppingcartsControllerTest < ActionController::TestCase
    def setup
        @user = users(:michael)
    end
    test "should get show" do
        puts(@user.name) # => Michael Example
        puts(@user.id) # => 762146111
        get :show # error line
        assert_response :success
    end
end

但是当我进行测试时,我得到了ActiveRecord::RecordNotFound: Couldn't find User with 'id'=。当我注释掉错误行时,错误消失了,一切正常。至于非测试代码,一切正常。我可以毫无问题地到达users/1/shoppingcart,因此问题必须来自测试本身。如何对嵌套资源的操作进行测试?

SessionsHelper.rb:

module SessionsHelper

    # Returns the current logged-in user (if any).
    def current_user
        if (user_id = session[:user_id])
            @current_user ||= User.find_by(id: user_id)
        elsif (user_id = cookies.signed[:user_id])
            user = User.find_by(id: user_id)
            if user && user.authenticated?(:remember, cookies[:remember_token])
                log_in user
                @current_user = user
            end
        end
    end
end 

1 个答案:

答案 0 :(得分:1)

find方法需要来自Users表的特定用户的主键,而不是用户本身。主键为id,因此您需要在控制器中更改此行。

@user = User.find(params[:user_id])