Ruby on rails 控制器规格#显示操作:exocted:[对象],获取:nil错误-RSpec 3
我正在阅读Aaron Sumner的《RSpec(3)日常Rails测试》一书,但无法通过以下步骤: 我正在尝试指定一个Ruby on rails 控制器规格#显示操作:exocted:[对象],获取:nil错误-RSpec 3,ruby-on-rails,ruby,testing,rspec,tdd,Ruby On Rails,Ruby,Testing,Rspec,Tdd,我正在阅读Aaron Sumner的《RSpec(3)日常Rails测试》一书,但无法通过以下步骤: 我正在尝试指定一个用户#show操作,包括: 用户\u控制器\u规格: ... describe 'GET #show' do it "assigns the requested contact to @user" do user = create(:user) get :show, id: user.id expect(assigns(:user)).to
用户#show
操作,包括:
用户\u控制器\u规格:
...
describe 'GET #show' do
it "assigns the requested contact to @user" do
user = create(:user)
get :show, id: user.id
expect(assigns(:user)).to eq user
end
it "renders the :show template" do
user = create(:user)
get :show, id: user.id
expect(response).to render_template :show
end
end
...
class UsersController < ApplicationController
before_action :authenticate
before_action :set_user, only: [:show]
### Read:
def show
...
end
private
def set_user
@user = User.find(params[:id])
end
end
def authenticate
redirect_to home_path, alert: 'Please log in first' if current_user.nil?
end
private
def current_user
@current_user ||= User.find(session[:user_id]) if session[:user_id]
end
helper_method :current_user
用户\u控制器:
...
describe 'GET #show' do
it "assigns the requested contact to @user" do
user = create(:user)
get :show, id: user.id
expect(assigns(:user)).to eq user
end
it "renders the :show template" do
user = create(:user)
get :show, id: user.id
expect(response).to render_template :show
end
end
...
class UsersController < ApplicationController
before_action :authenticate
before_action :set_user, only: [:show]
### Read:
def show
...
end
private
def set_user
@user = User.find(params[:id])
end
end
def authenticate
redirect_to home_path, alert: 'Please log in first' if current_user.nil?
end
private
def current_user
@current_user ||= User.find(session[:user_id]) if session[:user_id]
end
helper_method :current_user
错误:
Failures:
1) UsersController GET #show assigns the requested user to @user
Failure/Error: expect(assigns(:user)).to eq user
expected: #<User id: 1, ...">
got: nil
(compared using ==)
# ./spec/controllers/users_controller_spec.rb:10:in `block (3 levels) in <top (required)>'
2) UsersController GET #show renders the :show template
Failure/Error: expect(response).to render_template :show
expecting <"show"> but rendering with <[]>
# ./spec/controllers/users_controller_spec.rb:17:in `block (3 levels) in <top (required)>'
故障:
1) UsersController GET#show将请求的用户分配给@user
失败/错误:expect(分配(:用户))给eq用户
预期:#您的问题来自于_操作之前的:验证
您需要在规范中将自己设置为已验证,或者需要跳过显示
操作的验证
您通常会进行如下测试:
context 'when logged in' do
before(:each) do
set_as_logged_in
end
# your specs
end
其中,set_as_logged_in
方法会根据您的身份验证方式而有所不同。然后,您还可以使用“未登录时”
上下文来验证未登录时操作的行为是否符合预期。\是否应将其更改为user.id?--我想是的。1)expected[object]得到零
2)expected(response)。要渲染模板:显示但使用
渲染。我在操作手册中列出的两个错误可能是您的#show action为空。。这就是为什么!我还使用了本地变量而不是实例变量(user
vs@user
)。谢谢