我无法解决此错误。我不确定controller_spec的哪个部分写错了。请帮忙!rspec控制器测试:“期望#计数已更改-1,但已更改0”
路线
Rails.application.routes.draw do
resources :cases, only: [:index, :show, :new, :create, :edit, :update] do
resources :links, only: [:create, :destroy]
end
end
控制器
class LinksController < ApplicationController
before_action :prepare_case
def destroy
@link = @case_file.links.find(params[:id])
@link.destroy
redirect_to case_path(@case_file)
end
private
def prepare_case
@case_file = CaseFile.find(params[:case_id])
end
end
规格/工厂
FactoryGirl.define do
factory :link do
case_file
url 'www.google.com'
trait :invalid do
case_file nil
url ''
end
end
end
规格/控制器
require 'rails_helper'
RSpec.describe LinksController, type: :controller do
let(:user) { build(:user) }
before { login_user user }
#for user log in
let(:case_file) { create(:case_file) }
let(:link) { create(:link, case_file: case_file) }
describe "DELETE destroy" do
it "deletes a link" do
expect { delete :destroy, id: link.id , case_id: case_file }.
to change(Link, :count).by(-1)
expect(response).to redirect_to(case_path(case_file))
end
end
end
错误消息
$ rspec的投机/控制器/ links_controller_spec.rb ... F
失败:
1)LinksController DELETE删除销毁链接 失败/错误: expect {delete:destroy,id:link.id,case_id:case_file }。 改变(链接,:计数)。通过(-1)
预计#COUNT已经由-1变化,但由0 #./spec/controllers/links_controller_spec.rb:28:in`改变块(3级)在'
在1.18秒成品(文件采取5.03秒加载) 4实施例中,1次失败
失败的例子:
rspec的./spec/controllers/links_controller_spec.rb :27#LinksController DELETE销毁删除链接
正在使用这些宝石: 宝石 'rspec的护栏', '〜> 3.0' 宝石 '早该-匹配器', '〜> 3.1' 宝石 'factory_girl_rails' –