Ruby on Rails 教程 ArgumentError：未知验证器：'PresenseValidator'

问题描述

我是一名学生，正在学习 ruby​​ on rails 教程。我正在使用 Sample_App 并且一切正常，直到我添加了一些密码有效性测试。现在我得到 1 个错误和 2 个失败。每次运行测试时，生成错误的测试都会发生变化，但它始终是存在验证器。失败保持不变。

ERROR["test_layout_links",#<:reporters::suite:0x000055584f4fae28>,0.00946968999960518] test_layout_links#SiteLayoutTest (0.01s) ArgumentError：ArgumentError：未知验证器：'PresenseValidator' app/models/user.rb:10:in <class:User>' app/models/user.rb:1:in '

FAIL["test_password_should_be_present_(nonblank)",#<:reporters::suite:0x00007f2b307e3c60>,0.07021111799986102] test_password_should_be_present_(nonblank)#UserTest (0.07s) 预期 true 为 nil 或 false test/models/user_test.rb:67:in `block in class:UserTest'

FAIL["test_password_should_have_minimum_length",#<:reporters::suite:0x00007f2b308e9948>,0.09405937999872549] test_password_should_have_minimum_length#UserTest (0.09s) 预期 true 为 nil 或 false test/models/user_test.rb:72:in `block in class:UserTest'

18/18：[========================================== ================================================== ================================================] 100%时间：00:00:00，时间：00:00:00

在 0.54466s 内完成 18 次测试，31 次断言，2 次失败，1 次错误，0 次跳过

class User < ApplicationRecord
  
    before_save { email.downcase! }
    validates :name,presence: true,length: { maximum: 50 }
    VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-]+(\.[a-z\d\-]+)*\.[a-z]+\z/i
    validates :email,length: { maximum: 255 },format: { with: VALID_EMAIL_REGEX },uniqueness: true
    has_secure_password
    validates :password,presense: true,length: { minimum: 6 }
  end

是我的 user.rb 文件

require "test_helper"

class UserTest < ActiveSupport::TestCase
  
  def setup
    @user = User.new(name: "Example User",email: "[e-mail]",password: "foobar",password_confirmation: "foobar")
  end
  
  test "should be valid" do
    assert @user.valid?
  end
  
  test "name should be present" do
    @user.name = "       "
    assert_not @user.valid?
  end
  
  test "email should be present" do
    @user.email = "       "
    assert_not @user.valid?
  end
  
  test "name should not be too long" do
    @user.name = "a" * 51
    assert_not @user.valid?
  end
  
  test "email should not be too long" do
    @user.email = "a" * 244 + "@example.com"
    assert_not @user.valid?
  end
  
  test "email validation should accept valid addresses" do
    valid_addresses = %w[[e-mail] [e-mail] [e-mail] 
                      [e-mail] [e-mail]]
    valid_addresses.each do |valid_address|
      @user.email = valid_address
      assert @user.valid?,"#{valid_address.inspect} should be valid"
    end
  end
  
  test "email validation should reject invalid addresses" do
    invalid_addresses = %w[user@example,com user_at_foo.org user.name@example. 
                        foo@bar_baz.com foo@bar+baz.com foo@bar..com]
    invalid_addresses.each do |invalid_address|
      @user.email = invalid_address
      assert_not @user.valid?,"#{invalid_address.inspect} should be invalid"
    end   
  end
  
  test "email addresses should be unique" do
    duplicate_user = @user.dup
    @user.save
    assert_not duplicate_user.valid?
  end
  
  test "email addresses should be saved as lower-case" do
    mixed_case_email = "[e-mail]"
    @user.email = mixed_case_email
    @user.save
    assert_equal mixed_case_email.downcase,@user.reload.email
  end
  
  test "password should be present (nonblank)" do
    @user.password = @user.password_confirmation = " " * 5
    assert_not @user.valid?
  end
  
  test "password should have minimum length" do
    @user.password = @user.password_confirmation = "a" * 5
    assert_not @user.valid?
  end 
end

是我的测试文件。这些是出现错误时我正在处理的最后两个文件。任何帮助将不胜感激，我可以提供更多信息或代码的其他部分，如果有人能弄清楚我还需要在哪里寻找正在发生的事情。

解决方法

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