Rails 教程 ch.10 测试 10.20 失败 [英] Rails Tutorial ch. 10 Test 10.20 failure

问题描述

我在 Rails 教程中测试 10.20 时遇到问题.使用命令后:

I have problem with test 10.20 in Rails Tutorial. After using command:

bundle exec rake test:mailers

bundle exec rake test:mailers

我收到错误:

Run options: --seed 6131

# Running:

F

Finished in 0.559132s, 1.7885 runs/s, 5.3655 assertions/s.

  1) Failure:
UserMailerTest#test_account_activation [/home/adam/workspace/sample_app    /test/mailers/user_mailer_test.rb:11]:
Expected: ["[e-mail]"]
Actual: nil

1 runs, 3 assertions, 1 failures, 0 errors, 0 skips

我已经彻底检查了我的代码，但找不到不当之处，但显然我做错了.

I've thoroughly checked my code and can't find the impropriety but I'm obviously doing it wrong.

这是我的 user_mailer:

Here's my user_mailer:

class UserMailer < ActionMailer::Base

  def account_activation(user)
    @user = user
    mail to: user.email, subject: "Account activation"
  end

  def password_reset
    @greeting = "Hi"

    mail to: "[e-mail]"
  end
end

user_mailer_test:

user_mailer_test:

require 'test_helper'

class UserMailerTest < ActionMailer::TestCase

  test "account_activation" do
    user = users(:michael)
    user.activation_token = User.new_token
    mail = UserMailer.account_activation(user)
    assert_equal "Account activation", mail.subject
    assert_equal [user.email], mail.to
    assert_equal ["[e-mail]"], mail.from
    assert_match user.name,               mail.body.encoded
    assert_match user.activation_token,   mail.body.encoded
    assert_match CGI::escape(user.email), mail.body.encoded
  end
end

我已将此行添加到 config/environments/test.rb:

I've added this line to config/environments/test.rb:

config.action_mailer.default_url_options = { host: 'example.com' }

我可以给点建议吗?

推荐答案

你需要在这一行添加 :from

You need to add :from to this line

mail to: user.email, subject: "Account activation"

喜欢这个

mail to: user.email, from: "[e-mail]", subject: "Account activation"

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