ruby-on-rails – 如何解决“错误的参数(预期的URI对象或URI字符串)”？ Ruby on Rails,Michael Hartl教程

概述迈克尔哈特尔跟随 Ruby on Rails Tutorial. 我达到了Chapter 11.37,但我的测试失败了.我收到以下错误： Failure/Error: xhr :post, :create, relationship: { followed_id: other_user.id }ArgumentError:bad argument (expected URI object or 迈克尔哈特尔跟随 Ruby on Rails Tutorial.

我达到了Chapter 11.37,但我的测试失败了.我收到以下错误：

Failure/Error: xhr :post,:create,relationship: { followed_ID: other_user.ID }ArgumentError:bad argument (expected URI object or URI string)

我是Ruby on Rails的新手,所以我真的不知道出了什么问题.有人可以帮助解决此错误吗？

控制器/ relationships_controller.rb：

class RelationshipsController < ApplicationController  before_action :signed_in_user  def create    @user = User.find(params[:relationship][:followed_ID])    current_user.follow!(@user)    respond_to do |format|      format.HTML { redirect_to @user }      format.Js    end  end  def destroy    @user = Relationship.find(params[:ID]).followed    current_user.unfollow!(@user)    respond_to do |format|      format.HTML { redirect_to @user }      format.Js    end  endend

功能/ relationships_controller_spec.rb：

require 'spec_helper'describe RelationshipsController,type: :request do  let(:user) { FactoryGirl.create(:user) }  let(:other_user) { FactoryGirl.create(:user) }  before { sign_in user,no_capybara: true }  describe "creating a relationship with AJAX" do    it "should increment the Relationship count" do      expect do        xhr :post,relationship: { followed_ID: other_user.ID }      end.to change(Relationship,:count).by(1)    end    it "should respond with success" do      xhr :post,relationship: { followed_ID: other_user.ID }      expect(response).to be_success    end  end  describe "destroying a relationship with AJAX" do    before { user.follow!(other_user) }    let(:relationship) { user.relationships.find_by(followed_ID: other_user) }    it "should decrement the Relationship count" do      expect do        xhr :delete,:destroy,ID: relationship.ID      end.to change(Relationship,:count).by(-1)    end    it "should respond with success" do      xhr :delete,ID: relationship.ID      expect(response).to be_success    end  endend

解决方法 本教程所依赖的xhr的 The version,其中一个方法作为第二个参数,来自ActionController :: TestCase :: Behavior.该模块仅包含在rspec-rails gem的控制器或视图测试中.你正在从Rails中获取 another version of xhr,期望一个路径作为第二个参数,因此你得到的错误.

您需要通过将其包含在controllers目录中或明确设置测试类型来确保您的测试属于控制器类型.因为您在features目录中进行了测试而未进行其他类型的测试,所以它不被视为控制器测试. (注意：教程中的图11.37确实有测试驻留在spec / controllers目录中.)

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