ruby-on-rails - rspec 模型的未定义方法 stub

Question

在我的新 Rails 应用程序中，我添加了一个带有脚手架的用户模型 rails gscaffold 用户名电子邮件

它生成了一堆失败的测试。其中之一是:

require 'spec_helper'

describe "users/new" do
  before(:each) do
    assign(:user, stub_model(User,
      :name => "MyString",
      :email => "MyString"
    ).as_new_record)
  end

  it "renders new user form" do
    render

    assert_select "form[action=?][method=?]", users_path, "post" do
      assert_select "input#user_name[name=?]", "user[name]"
      assert_select "input#user_email[name=?]", "user[email]"
    end
  end
end

我的spec_helper.rb是:

require 'rubygems'
require 'spork'
require 'capybara/rspec'

Spork.prefork do

end

Spork.each_run do

end

ENV["RAILS_ENV"] ||= 'test'
require File.expand_path("../../config/environment", __FILE__)
require 'rspec/rails'
require 'rspec/autorun'

Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}

RSpec.configure do |config|
  config.mock_with :mocha
  config.fixture_path = "#{::Rails.root}/spec/fixtures"
  config.use_transactional_fixtures = true
  config.infer_base_class_for_anonymous_controllers = false
  config.order = "random"
end

但我收到错误:

  2) users/new renders new user form
     Failure/Error: assign(:user, stub_model(User, NoMethodError:
       undefined method `stub' for #<User:0x57f0558>
     # ./spec/views/users/new.html.haml_spec.rb:5:in `block (2 levels) in <top (
required)>'

发生什么事了？

Answer 1

问题在于您的RSpec.configure block 指定了config.mock_with :mocha，并且生成的脚手架代码stub_model与mocha(它使用 stubs 而不是 RSpec 代码中的 stub)。

一种选择是使用 gem，例如 rspec-rails-mocha将 stub_model 移植到 mocha；另一种是使用 RSpec 而不是 mocha 进行模拟。