我试图测试成功注册成功模板由以下控制器代码呈现的条件
def create
@user = User.new(params[:user])
if @user.save
render :template => "success"
else
flash[:notice] = "Oops Somethings not quite right! :("
render :action => "new"
end
end
我使用以下规范来测试此代码
before(:each) do
@user = User.new
@user.attributes = valid_attributes
@params = valid_attributes
@user.stub!(:save).and_return(true)
end
def do_post
post :create
end
it "should create new user " do
count = User.count
do_post
user = User.new(@params)
user.save.should eql(true)
User.count.should eql(count + 1)
end
it "should render the success page on successful signup" do
do_post
@user.save
response.should render_template("success") if @user.save
end
但是该示例失败了“它应该在成功注册时呈现成功页面”并显示此错误消息
1)
'UsersController handling POST /users should render the success page on successful signup' FAILED
expected "success", got "users/new.html.erb"
./spec/controllers/users_controller_spec.rb:67:
成功视图是存储在views / users /中的模板,没有操作。我猜我犯了一个非常根本的错误,想要一些帮助。
答案 0 :(得分:24)
您正在测试中的@user
变量,但控制器将实例化一个新实例,因此存根将不会到位。
在这种情况下使用存根只是为了模拟成功的保存调用并不是一个好主意。为什么不提供有效数据并确保操作成功?
以下代码适用于 RSpec> 2.1 ,它使用expect
语法。
before(:each) do
@params = valid_attributes
end
it "should create new user" do
@_before = User.count
post :create, :user => @params
expect(assigns(:user)).to_not be_new_record
expect(User.count).to eq(@_before + 1)
end
it "should render the success page on successful signup" do
post :create, :user => @params
expect(response).to be_successful
expect(response).to render_template("success")
end
最后,改变
render :template => "success"
到
render :action => "success"
对于以前的RSpec版本,或者如果必须使用should
语法,请使用
before(:each) do
@params = valid_attributes
end
it "should create new user" do
@_before = User.count
post :create, :user => @params
assigns(:user).should_not be_new_record
User.count.should == (@_before + 1)
end
it "should render the success page on successful signup" do
post :create, :user => @params
response.should be_successful
response.should render_template("success")
end