电子邮件＆＃39; email_calendar＆＃39;在CalendarMailerPreview Rails Mailer Preview中找不到

Question

我创建了一个基本的邮件程序，但无法使用以下路径查看预览：http://localhost:3000/rails/mailers/calendar_mailer/calendar_email

这是我的邮件，预览和电子邮件正文代码：

calendar_mailer.rb：

class CalendarMailer < ActionMailer::Base
  default from: "notifications@cogsmart.com"

  def calendar_email(user)
    @user = user
    mail(to: @user.email, subject: 'Your Cogsmart To Do List')
  end
end

calendar_mailer_preview.rb：

class CalendarMailerPreview < ActionMailer::Preview

  def calendar_email
    CalendarMailer.calendar_email(User.first)
  end

end

calendar_email.html.erb：

<h1>Thanks @user.name for using Cogsmart, here's your calendar</h1>

Answer 1

如上所述here 预览需要进入测试 / mailers / previews文件夹