如何测试我的Django电子邮件视图可以捕获BadHeaderError？ [英] How to test that my Django email view can catch a BadHeaderError?

问题描述

我有一个电子邮件表单的Django视图。它允许用户键入主题和消息，并将其作为电子邮件发送到站点管理员。我想编写一个单元测试，确保这个视图可以捕获 BadHeaderError 。

  subject = contact_form.cleaned_data ['subject'] 
 message = contact_form .cleaned_data ['message'] 
 try：
 mail_admins（
 subject = subject，
 message = message，
）
除了BadHeaderError：
＃我想测试这种情况。 
 messages.error（request，对不起，电子邮件无法发送，找不到标题。）
 else：
 messages.success（请求，您的电子邮件已发送到管理员）
  

如何在单元测试中触发BadHeaderError？

我知道标题注入的规范示例在主题中有一个换行符。但是，我写了一个单元测试，填写这个表单与主题的换行符，并没有触发无效的头文件。

 ＃这没有触发无效的头信息。那我该怎么办呢？ 
 response = self.client.post（reverse（'contact_us'），dict（
 subject =Subject goes here\\\
cc：[e-mail]，
 message =Message 
））
  

编辑： p>

使用Mocker的Hassek的建议是我不了解的方法， t原来考虑，并将为我的目的工作。但是，对于什么实际触发了邮件功能中的BadHeaderError，我很好奇，如果换行没有这样做，需要什么样的特殊字符？还是有另一种方法来触发BadHeaderError？我不太了解网络安全，所以我想学习这些东西。

编辑2：

我正在使用Django 1.3.0。

解决方案

这个代码段来自Django自己的测试;这是他们如何测试这个错误的发生。

  def test_header_injection（self）：
 email = EmailMessage（'Subject \\\
Injection Test'，'Content'，'[e-mail]'，['[e-mail]']）
 self.assertRaises（BadHeaderError，email.message）
  

I have a Django view with an email form. It allows the user to type a subject and message, and send that as an email to the site admin. I would like to write a unit test that ensures that this view can catch a BadHeaderError.

subject = contact_form.cleaned_data['subject']
message = contact_form.cleaned_data['message']
try:
    mail_admins(
        subject=subject,
        message=message,
    )
except BadHeaderError:
    # I want to test this case.
    messages.error(request, "Sorry, the email could not be sent. An invalid header was found.")
else:
    messages.success(request, "Your email was sent to the admins.")

How do I trigger a BadHeaderError in a unit test?

I know the canonical example of header injection is having a newline character in the subject. However, I wrote a unit test that fills out this form with a newline character in the subject, and it didn't trigger the invalid header message.

# This didn't trigger the invalid header message. So how do I do it?
response = self.client.post(reverse('contact_us'), dict(
    subject="Subject goes here\ncc:[e-mail]",
    message="Message goes here",
))

Edit:

Hassek's suggestion of using Mocker is an avenue of approach I hadn't originally considered, and will work for my purpose here. However, I'm curious as to what actually triggers a BadHeaderError in the mail functions - what kind of special character is needed in the subject, if a newline doesn't do it? Or is there another way to trigger the BadHeaderError? I don't know too much about web security, so I'd like to learn these things.

Edit 2:

I was using Django 1.3.0.

解决方案

This snippet is from Django's own tests; this is how they test that this error is raised

def test_header_injection(self):
    email = EmailMessage('Subject\nInjection Test', 'Content', '[e-mail]', ['[e-mail]'])
    self.assertRaises(BadHeaderError, email.message)

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