(转载)Rspec 使用笔记

打算以后使用rspec 就行测试开发，由于第一次在项目中使用，所以，记录再次，便于以后查询

本文的记录参考了开源软件 angle-nest 和 Ruby-China源码

1. 安装gem
   
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   1. group :development, :testdo
   2. gem 'cucumber-rails', :require => false
   3. gem 'database_cleaner'
   4. gem 'factory_girl'
   5. gem 'factory_girl_rails'
   6. gem 'rspec-rails'
   7. gem 'capybara'
   8. gem 'delorean'
   9. end

   group :development,  :test do
     gem 'cucumber-rails', :require => false
     gem 'database_cleaner'
     gem 'factory_girl'
     gem 'factory_girl_rails'
     gem 'rspec-rails'
     gem 'capybara'
     gem 'delorean'
   end
   

   
   
   
   
2. install
   
   
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   1. rails generate rspec:install

   rails generate rspec:install

   
   
   
3. 运行测试
   
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   1. rake spec

   rake spec

4. 修改helper文件
   
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   1. config.mock_with :rspec
   2. config.use_transactional_fixtures = false
   4. config.include Delorean
   6. DatabaseCleaner.strategy = :truncation
   7. config.before do
   8. DatabaseCleaner.clean
   9. end

     config.mock_with :rspec
     config.use_transactional_fixtures = false
   
     config.include Delorean
   
     DatabaseCleaner.strategy = :truncation
     config.before do
       DatabaseCleaner.clean
     end
   

5. 安装watchr
   
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   1. gem 'watchr'

   gem 'watchr'

6. 新建.watchr文件
   
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   1. def run_spec(file)
   2. unlessFile.exist?(file)
   3. puts "#{file} does not exist"
   4. return
   5. end
   7. puts "Running #{file}"
   8. system "bundle exec rspec #{file}"
   9. puts
   10. end
   12. watch("spec/.*/*_spec.rb") do |match|
   13. run_spec match[0]
   14. end
   16. watch("app/(.*/.*).rb") do |match|
   17. run_spec %{spec/#{match[1]}_spec.rb}
   18. end

   def run_spec(file)
     unless File.exist?(file)
       puts "#{file} does not exist"
       return
     end 
   
     puts "Running #{file}"
     system "bundle exec rspec #{file}"
     puts
   end
   
   watch("spec/.*/*_spec.rb") do |match|
     run_spec match[0]
   end
   
   watch("app/(.*/.*).rb") do |match|
     run_spec %{spec/#{match[1]}_spec.rb}
   end
   

   
   解析
   
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   1. 一旦spec/目录下有以_spec.rb结尾的文件发生了改变，watchr便会自动运行run_spec 方法来对该文件进行测试。
   2. 一旦有app/目录下有.rb结尾的文件发生了改变，立即调用run_spec 方法来执行该文件所对应的spec测试文件。
   3. run_file 通过文件名来检查spec文件是否存在, 然后来运行该spec (调用 system)

       一旦spec/目录下有以_spec.rb结尾的文件发生了改变，watchr便会自动运行run_spec 方法来对该文件进行测试。
       一旦有app/目录下有.rb结尾的文件发生了改变，立即调用run_spec 方法来执行该文件所对应的spec测试文件。
       run_file 通过文件名来检查spec文件是否存在, 然后来运行该spec (调用 system)
   

   
   
   
   
7. 运行
   
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   1. watchr .watchr

   watchr .watchr

8. 增加spark提升速度
   
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   1. gem 'spork', '1.0.0rc3'

   gem 'spork', '1.0.0rc3'

9. 运行
   
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   1. spork --bootstrap

   spork --bootstrap

10. 修改spec_helper.rb
    第一，上传 rubygems，因为我们已经有bundler了
    修改spec_helper.rb文件如下
    
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    1. require 'spork'
    2. #uncomment the following line to use spork with the debugger
    3. #require 'spork/ext/ruby-debug'
    5. Spork.prefork do
    6. ENV["RAILS_ENV"] ||= 'test'
    7. require File.expand_path("../../config/environment", __FILE__)
    8. require 'rspec/rails'
    9. require 'rspec/autorun'
    11. # Requires supporting ruby files with custom matchers and macros, etc,
    12. # in spec/support/ and its subdirectories.
    13. Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}
    15. RSpec.configure do |config|
    16. config.mock_with :rspec
    17. config.use_transactional_fixtures = false
    18. config.include Delorean
    20. DatabaseCleaner.strategy = :truncation
    21. config.before do
    22. DatabaseCleaner.clean
    23. end
    24. end
    25. end
    27. Spork.each_run do
    28. # This code will be run each time you run your specs.
    30. end

    require 'spork'
    #uncomment the following line to use spork with the debugger
    #require 'spork/ext/ruby-debug'
    
    Spork.prefork do
      ENV["RAILS_ENV"] ||= 'test'
      require File.expand_path("../../config/environment", __FILE__)
      require 'rspec/rails'
      require 'rspec/autorun'
    
      # Requires supporting ruby files with custom matchers and macros, etc,
      # in spec/support/ and its subdirectories.
      Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}
    
      RSpec.configure do |config|
        config.mock_with :rspec
        config.use_transactional_fixtures = false
        config.include Delorean
    
        DatabaseCleaner.strategy = :truncation
        config.before do 
          DatabaseCleaner.clean
        end
      end
    end
    
    Spork.each_run do
      # This code will be run each time you run your specs.
    
    end

11. 修改.rspec文件，增加如下代码
    
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    1. --drb

    --drb

12. 运行spork
    
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    1. spork

    spork

13. 在运行 watchr .wtachr 速度加快了
14. 清除test环境下的缓存，编辑config/environments/test.rb
    
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    1. config.cache_classes = false