ruby-on-rails - Rspec 请求规范期间 Rails 4 中的循环依赖错误

标签 ruby-on-rails capybara rspec-rails ruby-on-rails-4 ember-rails

我有一个在 Rails 4/Ruby 2 上运行的应用程序。前端正在用 Ember 开发。

运行时 rake spec ，我收到以下异常。它似乎只发生在 Rspec 功能规范中(不在开发模式下)。此外，通常只有当我只运行一个功能规范时才会发生这种情况；如果我运行整个测试套件，我通常不会收到错误消息。

由于此对 Rails 的提交，发生错误:
https://github.com/rails/rails/commit/b33700f5580b4cd85379a1dc60fa341ac4d8deb2

但是，当然，我不知道这是真正的问题还是调用堆栈中更深层次的问题。我确实知道，如果我对 Rails 代码进行最小的更改以不引发该错误，那么一切似乎都可以正常工作并且我的测试通过。但是，某处似乎正在尝试加载 LocationsController，即使它已经加载。

非常感谢任何帮助，因为这个让我真的很难过。

  1) Locations Creating locations
     Failure/Error: Unable to find matching line from backtrace
     RuntimeError:
       Circular dependency detected while autoloading constant LocationsController
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/dependencies.rb:460:in `load_missing_constant'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/dependencies.rb:183:in `const_missing'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/inflector/methods.rb:226:in `const_get'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/inflector/methods.rb:226:in `block in constantize'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/inflector/methods.rb:224:in `each'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/inflector/methods.rb:224:in `inject'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/inflector/methods.rb:224:in `constantize'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/dependencies.rb:534:in `get'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/dependencies.rb:565:in `constantize'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/routing/route_set.rb:76:in `controller_reference'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/routing/route_set.rb:66:in `controller'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/routing/route_set.rb:44:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/journey/router.rb:71:in `block in call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/journey/router.rb:59:in `each'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/journey/router.rb:59:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/routing/route_set.rb:655:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/request_store-1.0.5/lib/request_store/middleware.rb:9:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/warden-1.2.1/lib/warden/manager.rb:35:in `block in call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/warden-1.2.1/lib/warden/manager.rb:34:in `catch'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/warden-1.2.1/lib/warden/manager.rb:34:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/etag.rb:23:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/conditionalget.rb:25:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/head.rb:11:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/middleware/params_parser.rb:27:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/middleware/flash.rb:241:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/session/abstract/id.rb:225:in `context'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/session/abstract/id.rb:220:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/middleware/cookies.rb:486:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activerecord/lib/active_record/query_cache.rb:36:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb:626:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/callbacks.rb:373:in `_run__1828229838678430325__call__callbacks'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/callbacks.rb:80:in `run_callbacks'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/middleware/callbacks.rb:27:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/middleware/remote_ip.rb:76:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/railties/lib/rails/rack/logger.rb:38:in `call_app'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/railties/lib/rails/rack/logger.rb:21:in `block in call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/tagged_logging.rb:67:in `block in tagged'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/tagged_logging.rb:25:in `tagged'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/tagged_logging.rb:67:in `tagged'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/railties/lib/rails/rack/logger.rb:21:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/quiet_assets-1.0.2/lib/quiet_assets.rb:18:in `call_with_quiet_assets'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/middleware/request_id.rb:21:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/methodoverride.rb:21:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/runtime.rb:17:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/activesupport/lib/active_support/cache/strategy/local_cache.rb:83:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/actionpack/lib/action_dispatch/middleware/static.rb:64:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/railties/lib/rails/engine.rb:511:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/bundler/gems/rails-783c6711a4b4/railties/lib/rails/application.rb:97:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/builder.rb:138:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/urlmap.rb:65:in `block in call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/urlmap.rb:50:in `each'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/urlmap.rb:50:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/capybara-2.1.0/lib/capybara/server.rb:19:in `call'
     # /usr/local/rvm/gems/ruby-2.0.0-p195@nepco/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60:in `service'
     # /usr/local/rvm/rubies/ruby-2.0.0-p195/lib/ruby/2.0.0/webrick/httpserver.rb:138:in `service'
     # /usr/local/rvm/rubies/ruby-2.0.0-p195/lib/ruby/2.0.0/webrick/httpserver.rb:94:in `run'
     # /usr/local/rvm/rubies/ruby-2.0.0-p195/lib/ruby/2.0.0/webrick/server.rb:295:in `block in start_thread'

路线.rb:
get '/locations', to: 'main#index', :as => :em_locations

scope 'api' do
  resources :locations, only: [:index]
end

相关 gem :
  * capybara (2.1.0)
  * rspec (2.13.0)
  * rspec-core (2.13.1)
  * rspec-expectations (2.13.0)
  * rspec-mocks (2.13.1)
  * rspec-rails (2.13.2)
  * ember-data-source (0.0.5)
  * ember-rails (0.12.0)
  * ember-source (1.0.0.rc3.3)
  * active_model_serializers (0.8.1)

我试过的:
  • 更改我的路线的名称和路径，认为 ember/locations 可能会发生冲突。
  • 更改了一些我认为可能相关的不同 Rails 选项。实际上，如果我在 test.rb env 文件中将 config.cache_classes 设置为 false，它可以解决问题，尽管代价是使规范运行速度慢了大约 5 倍。

    • 这是我正在运行的规范:
    require 'spec_helper'

feature 'Locations', js: true, strategy: :truncation, slow: true do

  before do
    login_for_request
    Factory.create(:warehouse, code: "TW", name: 'TEST WAREHOUSE')
  end

  scenario "Creating locations" do
    visit em_locations_path
    click_link "create-locations"
    select 'TEST WAREHOUSE', from: "warehouse"
    select "GLD", from: "section"
    fill_in "row-start", with: "AA"
    fill_in "row-end", with: "AB"
    fill_in "bay-start", with: "1"
    fill_in "bay-end", with: "2"
    fill_in "tier-start", with: "1"
    fill_in "tier-end", with: "2"
    fill_in "subbay-start", with: "1"
    fill_in "subbay-end", with: "2"
    click_button "Create"
  end


end

    最佳答案

    我想出了一个可能的解决方案来解决这个问题。这可能不是最好的方法，我认为没有必要，但它仍然有效并且始终如一。

    在我的功能规范中，我需要相关的 Controller :

    require_relative '../../app/controllers/locations_controller'

    还需要在 Controller 中使用 active_model_serializer:
    require_relative '../serializers/location_serializer'

    我当然欢迎更好的解决方案。与此同时，我的规范正在通过。

    关于ruby-on-rails - Rspec 请求规范期间 Rails 4 中的循环依赖错误，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/16820158/

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