Rails Action Mailer Preview 不起作用，因为没有测试单元
[英]Rails Action Mailer Preview doesnt work because no testing unit
问题描述
When I created my rails app following an online tutorial I made the mistake to add -T.
当我按照在线教程创建 Rails 应用程序时，我错误地添加了 -T。 Since then I have continued to develop my own app on top of this app and I figured out that that -T meant that I dont want to install the testing unit.从那以后我继续在这个应用程序之上开发我自己的应用程序，我发现 -T 意味着我不想安装测试单元。 I am currently working on my emails but I cant figure out how to preview my emails that I generated using Action Mail generator ( rails g mailer UserMailer ).我目前正在处理我的电子邮件，但我不知道如何预览我使用 Action Mail 生成器 ( rails g mailer UserMailer ) 生成的电子邮件。 I have added config.action_mailer.preview_path = "#{Rails.root}/lib/mailer_previews" to my development.rb file but it doesnt seem to work.我已将config.action_mailer.preview_path = "#{Rails.root}/lib/mailer_previews"到我的 development.rb 文件中，但它似乎不起作用。 When I visit http://localhost:3000/lib/mailer_previews I get a "No route matches [GET] "/lib/mailer_previews" error and when I try to go to http://localhost:3000/rails/mailers I just get an empty white page. The email view file "welcome_email.html.erb" I am trying to see is located under the user_mailer folder. (btc my app is a rails app with a react front end) Any help is appreciated. Thank you当我访问http://localhost:3000/lib/mailer_previews 时，我收到“没有路由匹配 [GET]”/lib/mailer_previews”错误，当我尝试访问http://localhost:3000/rails/mailers 时，我只是得到一个空的白页。我想看到的电子邮件视图文件“welcome_email.html.erb”位于 user_mailer 文件夹下。（btc 我的应用程序是一个带有反应前端的 rails 应用程序）任何帮助表示赞赏。谢谢你
1 个解决方案
解决方案1
0 2021-06-15 07:06:46
您需要设置config.action_mailer.show_previews = true ，默认为false 。
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