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require 'test_helper'
class Car
extend ActiveModel::Naming
end
class CarsController < InheritedResources::Base
respond_to :html
protected
def collection
@cars ||= Car.get_all
end
def build_resource
@car ||= Car.create_new(params[:car])
end
def resource
@car ||= Car.get(params[:id])
end
def create_resource(resource)
resource.save_successfully
end
def update_resource(resource, attributes)
resource.update_successfully(*attributes)
end
def destroy_resource(resource)
resource.destroy_successfully
end
end
module CarTestHelper
def setup
draw_routes do
resources :cars
end
@controller = CarsController.new
@controller.request = @request = new_request
@controller.response = @response = new_response
@controller.stubs(:car_url).returns("/")
end
def teardown
clear_routes
end
protected
def new_request
ActionController::TestRequest.create(CarsController)
end
def new_response
ActionDispatch::TestResponse.create
end
def mock_car(expectations={})
@mock_car ||= begin
car = mock(expectations.except(:errors))
car.stubs(:class).returns(Car)
car.stubs(:errors).returns(expectations.fetch(:errors, {}))
car
end
end
end
class IndexActionCustomizedBaseTest < ActionController::TestCase
include CarTestHelper
def test_expose_all_users_as_instance_variable
Car.expects(:get_all).returns([mock_car])
get :index
assert_equal [mock_car], assigns(:cars)
end
end
class ShowActionCustomizedBaseTest < ActionController::TestCase
include CarTestHelper
def test_expose_the_requested_user
Car.expects(:get).with('42').returns(mock_car)
get :show, params: { id: '42' }
assert_equal mock_car, assigns(:car)
end
end
class NewActionCustomizedBaseTest < ActionController::TestCase
include CarTestHelper
def test_expose_a_new_user
Car.expects(:create_new).returns(mock_car)
get :new
assert_equal mock_car, assigns(:car)
end
end
class EditActionCustomizedBaseTest < ActionController::TestCase
include CarTestHelper
def test_expose_the_requested_user
Car.expects(:get).with('42').returns(mock_car)
get :edit, params: { id: '42' }
assert_response :success
assert_equal mock_car, assigns(:car)
end
end
class CreateActionCustomizedBaseTest < ActionController::TestCase
include CarTestHelper
def test_expose_a_newly_create_user_when_saved_with_success
Car.expects(:create_new).with({'these' => 'params'}).returns(mock_car(save_successfully: true))
post :create, params: { car: {these: 'params'} }
assert_equal mock_car, assigns(:car)
end
def test_redirect_to_the_created_user
Car.stubs(:create_new).returns(mock_car(save_successfully: true))
@controller.expects(:resource_url).returns('http://test.host/')
post :create
assert_redirected_to 'http://test.host/'
end
def test_render_new_template_when_user_cannot_be_saved
Car.stubs(:create_new).returns(mock_car(save_successfully: false, errors: {some: :error}))
post :create
assert_response :success
assert_equal "New HTML", @response.body.strip
end
end
class UpdateActionCustomizedBaseTest < ActionController::TestCase
include CarTestHelper
def test_update_the_requested_object
Car.expects(:get).with('42').returns(mock_car)
mock_car.expects(:update_successfully).with({'these' => 'params'}).returns(true)
put :update, params: { id: '42', car: {these: 'params'} }
assert_equal mock_car, assigns(:car)
end
def test_redirect_to_the_created_user
Car.stubs(:get).returns(mock_car(update_successfully: true))
@controller.expects(:resource_url).returns('http://test.host/')
put :update, params: { id: '42' }
assert_redirected_to 'http://test.host/'
end
def test_render_edit_template_when_user_cannot_be_saved
Car.stubs(:get).returns(mock_car(update_successfully: false, errors: {some: :error}))
put :update, params: { id: '42' }
assert_response :success
assert_equal "Edit HTML", @response.body.strip
end
end
class DestroyActionCustomizedBaseTest < ActionController::TestCase
include CarTestHelper
def test_the_requested_user_is_destroyed
Car.expects(:get).with('42').returns(mock_car)
mock_car.expects(:destroy_successfully)
delete :destroy, params: { id: '42' }
assert_equal mock_car, assigns(:car)
end
def test_show_flash_message_when_user_can_be_deleted
Car.stubs(:get).returns(mock_car(destroy_successfully: true))
delete :destroy, params: { id: '42' }
assert_equal flash[:notice], 'Car was successfully destroyed.'
end
def test_show_flash_message_when_cannot_be_deleted
Car.stubs(:get).returns(mock_car(destroy_successfully: false, errors: { fail: true }))
delete :destroy, params: { id: '42' }
assert_equal flash[:alert], 'Car could not be destroyed.'
end
end
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