我正在开发一个依赖于 Devise Gem 的 Rails 引擎。我的引擎本身也是一个宝石,我需要为那个东西编写测试。为此,我阅读了大量有关如何从 gem 内部测试引擎的资料,并进行了以下设置:
my_engine
+- app # my engine stuff
+- config # my engine stuff
+- Gemfile
+- lib # my engine stuff
+- public # my engine stuff
+- spec
+- controllers # controller tests
+- models # model tests
+- dummy # a dummy application that is using the 'my_engine/Gemfile'
+- spec_helper.rb # the spec helper that boots the dummy app
在包含 Devise gem 之前,我可以编写测试并运行它们
rake spec
现在我有了 Devise gem 和一个像这样的用户模型
class Manager::User < ActiveRecord::Base
devise :database_authenticatable, :registerable, # ...
end
我的测试失败指向用户类和设计调用。
`method_missing': undefined method `devise'
所以现在我尝试调查错误并找出如何使用 devise 和我的引擎一起启动虚拟应用程序。规范助手看起来像这样
# my_engine/spec/spec_helper.rb#
ENV["RAILS_ENV"] ||= 'test'
require File.expand_path("../dummy/config/environment.rb", __FILE__) # boots the dummy app and fails
# more rspec stuff gies here
环境.rb
# my_engine/spec/dummy/config/environment.rb
# Load the rails application
require File.expand_path('../application', __FILE__)
# Initialize the rails application
Dummy::Application.initialize!
应用程序.rb
# my_engine/spec/dummy/config/application.rb
require File.expand_path('../boot', __FILE__)
require 'rails/all'
Bundler.require(:default, Rails.env) if defined?(Bundler)
# Dummy::Application definition follows here (the common stuff)
boot.rb
# my_engine/spec/dummy/config/boot.rb
require 'rubygems'
# Loads the gemfile from 'my_engine/Gemfile'
gemfile = File.expand_path('../../../../Gemfile', __FILE__)
begin
ENV['BUNDLE_GEMFILE'] = gemfile
require 'bundler'
Bundler.setup
rescue Bundler::GemNotFound => e
STDERR.puts e.message
STDERR.puts "Try running `bundle install`."
exit!
end if File.exist?(gemfile)
宝石文件
# my_engine/Gemfile
source :gemcutter
gem 'rails', '3.0.3'
gem 'rake'
gem 'devise', '>=1.2.rc'
gem 'declarative_authorization', '0.5.2'
group :test do
gem "cucumber"
gem "cucumber-rails"
gem "database_cleaner"
gem "capybara", ">= 0.4.0"
gem "capybara-envjs"
gem "culerity"
gem "webrat"
gem "rspec-rails", ">= 2.4.0"
gem "jeweler"
end
我也试图像这样要求我的引擎
gem "my_engine", :path => "./"
Gemfile 和 gems 都已加载(Bundler.setup 运行并且设计常量可用)。
现在我创建了一个使用 my_engine gem 的外部应用程序。当我从我的引擎复制测试并运行它们时,它们都通过了。
有什么我想念的吗?也许有更好的方法来为引擎编写测试?