Question

使用Rails 4.2，rspec 2.14，rspec-rails 2.14，faker和factory-girls-rails gems

我有一个名为Appointment的模型，我正在运行一些测试，除了控制器规范下的#create外，一切都通过了。

我得到的错误信息是：

失败/错误：发布：创建，FactoryGirl.attributes_for（：约会） ActionController的:: ParameterMissing： param缺失或值为空：约会

Appointment模型验证是否存在与名为Service的对象的关联。

这是我的工厂预约.rb：

require 'faker'

FactoryGirl.define do 
    factory :appointment do |f|
        f.service {FactoryGirl.create(:service)} 
        f.appointment_time { Faker::Time.between(DateTime.now - 1, DateTime.now) }
    end
end

这是我的appointment_spec.rb：

require 'spec_helper'

describe Appointment do

    it "has a valid factory" do
        FactoryGirl.create(:appointment).should be_valid
    end

    it "is invalid if it does not have a Service association" do
        FactoryGirl.build(
            :appointment, service: nil).should_not be_valid
    end

end

我一直按照here列出的说明制作我的控制器规格。我也发现很多stackoverflow帖子说要做同样的事情，但我仍然会得到同样的错误。

以下是未通过我的appointment_controller_spec.rb

的测试

describe AppointmentsController do

 #other controller action code...

    describe "POST #create" do
        context "with valid attributes" do
            it "saves the new appointment in the database" do
                expect {
                    post :create, FactoryGirl.attributes_for(:appointment)
                }.to change(Appointment, :count).by(1)
            end

            it "redirects to show page" do
                post :create, FactoryGirl.attributes_for(:appointment)
                response.should redirect_to Appointment.last
            end
        end
end

我不知所措，希望有人可以提供一些见解。

修改

正如你们有些人推荐的那样，我更改了控制器规格。这实际上是我在将代码更改为您在上面看到的内容之前所拥有的：

    it "saves the new appointment in the database" do
        expect {
            post :create, appointment:  FactoryGirl.attributes_for(:appointment)
        }.to change(Appointment, :count).by(1)
    end

我改变这个的原因是因为当我有这个时我的原始错误信息是：

失败/错误：期望{ count应该已经被改变了1，但被改为0

很抱歉这个混乱。

Answer 1

我相信你只需要你的AppointmentsController规范如下：

 describe AppointmentsController do

 #other controller action code...

    describe "POST #create" do
        context "with valid attributes" do
            it "saves the new appointment in the database" do
                expect {
                    post :create, appointment:  FactoryGirl.attributes_for(:appointment)
                }.to change(Appointment, :count).by(1)
            end

            it "redirects to show page" do
                post :create, appointment: FactoryGirl.attributes_for(:appointment)
                response.should redirect_to Appointment.last
            end
        end
end

在appointment:调用中通过FactoryGirl提供属性之前添加post。

Answer 2

您是否在控制器中使用strong_params？看起来您正在寻找约会参数，但您只是获得了属性的哈希值。

试试这个：

    it "saves the new appointment in the database" do
        expect {
            post :create, appointment: FactoryGirl.attributes_for(:appointment)
        }.to change(Appointment, :count).by(1)
    end

为什么我的测试告诉我＆＃34; param丢失或值为空：＆＃34;？

2 个答案: