加载ActiveModel :: SecurePassword未定义的方法`password_digest ='

问题描述

我尝试按照使用轨道3.1加载ActiveModel :: SecurePassword的

和我结束了红灯......

user.rb

 类用户的LT;的ActiveRecord :: Base的
  has_secure_password
  验证：密码：presence =＆GT; {：上=＆GT; ：创建 }
结束
 

factory.rb

  Factory.define：用户不要| F |
  [email protected]
  f.passwordFOOBAR
  f.password_confirmation {| U | u.password}
结束
 

spec_user.rb

 描述用户做
  它应该相匹配的用户名和密码进行身份验证吗
    用户=厂（：用户：电子邮件=＆GT;[email protected]'，：密码=＆GT;秘密）
    User.authenticate（'[email protected]'，'秘密'）。应==用户
  结束
结束
 

和我得到了红灯......

 故障/错误：用户=厂（：用户：电子邮件=＆GT;[email protected]'，：密码=＆GT;秘密）
 NoMethodError：
   未定义的方法`password_digest ='为＃＆lt;使用者：0xb383460＆GT;
 

和我认为这是耙分贝：迁移的问题，我看看铁轨C，但明显password_digest定义

。

 红宝石-1.9.2-P180：007＆GT; A = User.new
 =＆GT; ＃＆lt;使用者ID：无，电子邮件：无，password_digest：无，is_admin：无，created_at：无，的updated_at：无＆GT;
红宝石-1.9.2-P180：008＆GT; a.password_digest = 3
 =＆GT; 3
 

解决方案

我得到了同样的问题，并找到了（我认为是）以下注释更好的解决方案：

http://bcardarella.com/post/4668842452/exploring-rails-3-1-activemodel-securepassword#comment-281584959

基本上，你需要一个password_digest字段添加到您的模型迁移。在此之前，它会增加一个password_digest =方法，但它不会被保存，并且该方法won'tr出现在工厂之类的

I try to use rails 3.1 ActiveModel::SecurePassword by following http://bcardarella.com/post/4668842452/exploring-rails-3-1-activemodel-securepassword

and I end up with red light ...

user.rb

class User < ActiveRecord::Base
  has_secure_password
  validates :password, :presence => { :on => :create }
end

factory.rb

Factory.define :user do |f|
  f.email "[email protected]"
  f.password "foobar"
  f.password_confirmation { |u| u.password }  
end

spec_user.rb

describe User do
  it "should authenticate with matching username and password" do
    user = Factory(:user, :email => '[email protected]', :password => 'secret')
    User.authenticate('[email protected]', 'secret').should == user
  end
end

and i get a red light ...

 Failure/Error: user = Factory(:user, :email => '[email protected]', :password => 'secret')
 NoMethodError:
   undefined method `password_digest=' for #<User:0xb383460>

and I thought it was rake db:migrate problem and I look into rails c , but obviously password_digest is defined.

ruby-1.9.2-p180 :007 > a = User.new
 => #<User id: nil, email: nil, password_digest: nil, is_admin: nil, created_at: nil, updated_at: nil> 
ruby-1.9.2-p180 :008 > a.password_digest = 3
 => 3 

解决方案

I was getting the same issue, and found a (what I think is) a better solution in the following comment:

http://bcardarella.com/post/4668842452/exploring-rails-3-1-activemodel-securepassword#comment-281584959

basically, you need to add a password_digest field to your model with a migration. Before then, it'll add a password_digest= method, but it won't be saved, and the method won'tr show up in factories and the like

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