在您的Spec文件中.

it "needs to focus on this!",focus: => true do
  #test written here.
end

然后在spec / spec_helper中,您需要添加config选项.

RSpec.configure do |config| 
  config.treat_symbols_as_Metadata_keys_with_true_values = true  
  config.filter_run :focus => true  
  config.run_all_when_everything_filtered = true 
end

然后,Guard将自动获取专注的测试并仅运行它.此外,config.run_all_when_everything_filtered = true告诉后卫在没有任何过滤的情况下运行所有​​测试,即使该名称听起来有误导性.

我发现Ryan Bate的导演对Guard和Spork非常有帮助.