Rspec 如何测试创建对象后发送的电子邮件

我试图测试电子邮件是否在对象的创建回调后发送

class Payment < ActiveRecord::Base

    #associations
    belongs_to :quotation

  #validations
    validates :method, :amount, :quotation, :presence => true

    #callbacks
    after_create :send_email_confirmations



  def method_enum
     [['Cash'],['Bank Transfer'], ['PayPal']]
  end

  private

  def send_email_confirmations
    UsersMailer.confirm_payment(self).deliver
    AdminsMailer.payment_received(self).deliver
  end

end

这将产生以下结果：

Failure/Error: AdminsMailer.should_receive(:payment_received).with(@payment)
       (<AdminsMailer (class)>).payment_received(#<Payment id: 54, method: "paypal", amount: #<BigDecimal:7fabd1e449c0,'0.5E3',9(36)>, transaction_id: "4543332", created_at: "2013-09-27 11:30:53", updated_at: "2013-09-27 11:30:53", quotation_id: 58>)
           expected: 1 time

---

可能还有其他问题，但您在调用测试中的代码后设置了期望值，因此在这之后没有“发生”任何事情。您需要：

在调用@payment.save之前，移动您的

预期值

切换到

expect{@payment.save}。接收…

语法，或

使用“间谍”格式（即，

应已收到

）

---

我听从了你的建议。感谢您将我发送到正确的路径。我使用了Object.any_实例。是否应接收（：payment_received）和then@payment=Payment.save您是否有理由不将期望设置限制为期望接收该方法的实际对象？

Failure/Error: AdminsMailer.should_receive(:payment_received).with(@payment)
       (<AdminsMailer (class)>).payment_received(#<Payment id: 54, method: "paypal", amount: #<BigDecimal:7fabd1e449c0,'0.5E3',9(36)>, transaction_id: "4543332", created_at: "2013-09-27 11:30:53", updated_at: "2013-09-27 11:30:53", quotation_id: 58>)
           expected: 1 time

received: 0 times