ruby-on-rails - 如何在 Rails 2.3 中测试多态 Controller ？

Question

亲爱的 Overflowers，

我会尽量给出我的问题的本质。预先感谢您的耐心等待。

我的多态 Controller (Appointments)被两个 Views 访问，第一个属于 Admin::Doctor 命名空间，第二个属于Patient 命名空间。

routes.rb 的相关部分:

map.resources :patient do |patients|
  patients.resources :appointments
end

map.namespace(:admin) do |admin|
  admin.resources :doctor do |doctors|
    doctors.resources :appointments
  end
end

所以，我现在可以得到:

patients/:patient_id/appointments
admin/doctors/:doctor_id/appointments

...以及实际路线:

rake 路线 | grep 约会

 new_patient_appointments GET    /patients/:patient_id/appointments/new(.:format)    {:controller=>"appointments", :action=>"new"}
edit_patient_appointments GET    /patients/:patient_id/appointments/edit(.:format)  {:controller=>"appointments", :action=>"edit"}
     patient_appointments GET    /patients/:patient_id/appointments(.:format)            {:controller=>"appointments", :action=>"show"}
                          PUT    /patients/:patient_id/appointments(.:format)            {:controller=>"appointments", :action=>"update"}
                          DELETE /patients/:patient_id/appointments(.:format)   {:controller=>"appointments", :action=>"destroy"}
                          POST   /patients/:patient_id/appointments(.:format)   {:controller=>"appointments", :action=>"create"}

 new_admin_doctor_appointments GET    /admin/doctors/:doctor_id/appointments/new(.:format) {:controller=>"admin/appointments", :action=>"new"}
edit_admin_doctor_appointments GET    /admin/doctors/:doctor_id/appointments/edit(.:format){:controller=>"admin/appointments", :action=>"edit"}
     admin_doctor_appointments GET    /admin/doctors/:doctor_id/appointments(.:format)     {:controller=>"admin/appointments", :action=>"show"}
                               PUT    /admin/doctors/:doctor_id/appointments(.:format)    {:controller=>"admin/appointments", :action=>"update"}
                               DELETE /admin/doctors/:doctor_id/appointments(.:format)   {:controller=>"admin/appointments", :action=>"destroy"}
                               POST   /admin/doctors/:doctor_id/appointments(.:format)   {:controller=>"admin/appointments", :action=>"create"}

我的模型:

class Patient
  has_many :appointments, :as => :attendee
end

class Doctor
  has_many :appointments, :as => :attendee
end

class Appointment
  belongs_to :attendee, :polymorphic => true
end

我的 Controller :

Controllers/Admin/doctors_controller.rb

class Admin::DoctorsController < AuthorisedController
end

Controllers/appointments_controller.rb

class AppointmentsController < ApplicationController
end

Controllers/patients_controller.rb

class PatientsController < ApplicationController
end

在我的 test/functional/appointments_controller_test.rb 上，我正在测试 patients 没有错误，但是在测试 doctors 时，我得到了一个ActionController::RoutingError:

4) Error:
test_should_show_doctor_appointment(AppointmentsControllerTest):
ActionController::RoutingError: No route matches {:controller=>"appointments", :id=>"281110143", :action=>"show", :doctor_id=>2}
test/functional/appointments_controller_test.rb:55:in `test_should_show_doctor_appointment'

编辑:

测试中的相关部分:

test/functional/appointments_controller_test.rb

require 'test_helper'

class AppointmentsControllerTest < ActionController::TestCase

  fixtures :patients, :appointments, :doctors, :users
  # The following passes:

  def setup
    login_as :admin
  end

  test "should show patient appointment" do
    get :show, :id => patients(:one).to_param, :appointment_id => appointments(:app_one).id
    assert_response :success
  end

  # The following fails, giving the error mentioned above:

  test "should show doctor appointment" do
    get :show, :id => doctors(:one).to_param, :appointment_id => appointments(:app_one).id
    assert_response :success
  end

end

正如@Ryan 指出的那样，测试在 base 命名空间下，因此下一步，我在 Admin 下创建了一个测试。

test/functional/admin/appointments_controller_test.rb

class Admin::AppointmentsControllerTest < ActionController::TestCase

  fixtures :patients, :appointments, :doctors, :users
  # The following passes:

  def setup
    login_as :admin
  end

  test "should show doctor appointment" do
    get :show, :id => doctors(:one).to_param, :appointment_id => appointments(:app_one).id
    assert_response :success
  end

end

...现在我得到这个错误:

 1) Error:
 test_should_show_doctor_appointment(Admin::AppointmentsControllerTest):
 RuntimeError: @controller is nil: make sure you set it in your test's setup method.
 test/functional/admin/appointments_controller_test.rb:13:in `test_should_show_doctor_appointment' 

此时，我在setup方法下添加了@controller = AppointmentsController.new，只得到非常熟悉的:

1) Error:
test_should_show_doctor_appointments(Admin::AppointmentsControllerTest):
ActionController::RoutingError: No route matches {:action=>"show", :controller=>"appointments", :doctor_id=>2, :id=>"281110143"}
test/functional/admin/appointments_controller_test.rb:14:in `test_should_show_doctor_appointments'

在我看来这是一个恶性循环。

编辑结束

所以，由于测试找不到 Controller ，因为它的路由指向 admin/appointments

• 为什么我能够呈现 /admin/doctors/1/appointments 因为 appointments_controller.rb 不在 Admin 文件夹下也不是 Admin:: 命名空间(但路由指向那里)和
• 为该案例编写功能测试的最佳策略是什么？

提前致谢!

pR

Answer 1

这个错误:

ActionController::RoutingError: No route matches {:controller=>"appointments", :id=>"281110143", :action=>"show", :doctor_id=>2}

显示您正在向名为 AppointmentsController 的 Controller 发出请求，但根据您的路由判断:

new_admin_doctor_appointments GET    /admin/doctors/:doctor_id/appointments/new(.:format) {:controller=>"admin/appointments", :action=>"new"}
edit_admin_doctor_appointments GET    /admin/doctors/:doctor_id/appointments/edit(.:format){:controller=>"admin/appointments", :action=>"edit"}
     admin_doctor_appointments GET    /admin/doctors/:doctor_id/appointments(.:format)     {:controller=>"admin/appointments", :action=>"show"}
                               PUT    /admin/doctors/:doctor_id/appointments(.:format)    {:controller=>"admin/appointments", :action=>"update"}
                               DELETE /admin/doctors/:doctor_id/appointments(.:format)   {:controller=>"admin/appointments", :action=>"destroy"}
                               POST   /admin/doctors/:doctor_id/appointments(.:format)   {:controller=>"admin/appointments", :action=>"create"}

该路由仅在管理命名空间内可用，即 Admin::AppointmentsController。

我敢打赌，您正在执行类似describe AppointmentsController 的操作，而不是describe Admin::AppointmentsController。我不确定，因为您没有包括测试本身的关键部分。