rspec 常见错误

1 ActionView::Template::Error: Missing host to link to! Please provide :host parameter or set default_url_options[:host]解决：config.action_mailer.default_url_options = { :host => 'mywebsitename.com' }2  routing：实例：it "routes to #release" do    #  post("/admin/pickcontents/1/release").should route_to("admin/pickcontents#release", :id => 1)      post("/admin/pickcontents/1/release").should route_to( :action => "release",:controller => "admin/pickcontents", :id => "1")    end错误信息：The recognized options <{"action"=>"release", "controller"=>"admin/pickcontents", "id"=>"1"}> did not match <{"id"=>1, "controller"=>"admin/pickcontents", "action"=>"release"}>, difference: <{"id"=>1}>路由配置：   resources :pickcontents do      memeber do        post "release"      endend解析：当使用注释处报错，因为项的不匹配，要是使用member匹配的路由要单独制定controller或者anction