ruby-on-rails - 未定义方法 `ancestors' 在 PUT 上使用 rspec 测试

Question

我正在使用 rspec、factory_girl 和 capybara 进行测试。该项目使用设计，我有以下方法在规范内登录:

def login_admin
before(:each) do
  @request.env["devise.mapping"] = Devise.mappings[:admin]
  sign_in FactoryGirl.create(:admin)
end
end

def login_user
before(:each) do
  @request.env["devise.mapping"] = Devise.mappings[:user]
  sign_in FactoryGirl.create(:user)
end

end

然后我对 company_controller_spec 执行测试:

require 'spec_helper'

describe CompaniesController, :type => :controller do

let(:valid_attributes) { { "email" => Faker::Internet.email } }

login_admin

describe "GET show" do

  it "assigns the requested company as @company" do
    company = FactoryGirl.create(:company)
    get :show, {:id => company.to_param}
    expect(assigns(:company)).to eq(company)
  end
end

describe "GET edit" do
  it "assigns the requested company as @company" do
    company = FactoryGirl.create(:company)
    get :edit, {:id => company.to_param}
    expect(assigns(:company)).to eq(company)
  end
end

describe "PUT update" do
  describe "with valid params" do
    it "updates the requested company" do
      company = FactoryGirl.create(:company)
      expect_any_instance_of(company).to receive(:update).with({ "email" => "r@gmail.com" })
      put :update, {:id => company.to_param, :company => { "email" => "r@gmail.com" }}
    end
  end
end

但我不断收到这两个错误:

NoMethodError:
   undefined method `ancestors' for #<Company:0x000000059b41f0>
# ./spec/controllers/companies_controller_spec.rb:34:in `block (4 levels) in <top (required)>' 
line 34: expect_any_instance_of(company).to receive(:update).with({ "email" => "r@gmail.com" })

和

expected: #<Company id: 86...
got: nil
# ./spec/controllers/companies_controller_spec.rb:41:in `block (4 levels) in <top (required)>'
line 41: expect(assigns(:company)).to eq(company)

这是我的公司工厂:

FactoryGirl.define do
  factory :company do
    name { Faker::Name.name }
    plan_id {}
    phone { Faker::PhoneNumber.phone_number }
    email { Faker::Internet.email }
    facebook { Faker::Internet.url('facebook.com') }
    twitter { Faker::Internet.url('twitter.com') }
    linkedin { Faker::Internet.url('linkedin.com') }
    web { Faker::Internet.url }
 end
end

Answer 1

自己做的，不小心打了个电话expect_any_instance_of在实际实例上，而不是在类本身上。

老问题，但对于发现这个问题的其他人，看起来 OP 应该使用 Company (大写的类名)而不是 company (对实例的小写引用)。
expect_any_instance_of(Company).to receive(:update).with({ "email" => "r@gmail.com" })
为了更详细地解释错误，ancestors正在尝试访问 Company 所在的所有类继承。祖先/后代的好例子on this other SO question .