{"id":3019,"date":"2021-11-27T07:39:26","date_gmt":"2021-11-26T22:39:26","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=3019"},"modified":"2022-01-23T05:24:37","modified_gmt":"2022-01-22T20:24:37","slug":"rails-tutorial10-5","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2021\/11\/27\/rails-tutorial10-5\/","title":{"rendered":"Rails-tutorial\u306e\u307e\u3068\u308110.4(\u7ba1\u7406\u30e6\u30fc\u30b6\u30fc \u4e3b\u306b\u6f14\u7fd2)"},"content":{"rendered":"

10.4\u304b\u3089\u7d9a\u304f<\/a><\/p>\n

10.4.1\u00a0<\/span>\u7ba1\u7406\u30e6\u30fc\u30b6\u30fc<\/h3>\n

\u7279\u6a29\u3092\u6301\u3064\u7ba1\u7406\u30e6\u30fc\u30b6\u30fc\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b\u3001\u8ad6\u7406\u5024\u3092\u3068\u308badmin\u5c5e\u6027\u3092User\u30e2\u30c7\u30eb\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u306e\u5f8c\u3067\u8aac\u660e\u3057\u307e\u3059\u304c\u3001\u3053\u3046\u3059\u308b\u3068\u81ea\u52d5\u7684\u306badmin?\u30e1\u30bd\u30c3\u30c9
\n(\u8ad6\u7406\u5024\u3092\u8fd4\u3059) \u3082\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001
\n\u3053\u308c\u3092\u4f7f\u3063\u3066\u7ba1\u7406\u30e6\u30fc\u30b6\u30fc\u306e\u72b6\u614b\u3092\u30c6\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002<\/p>\n

rails generate migration add_admin_to_users admin:boolean<\/strong><\/pre>\n
default: false\u3068\u3044\u3046\u5f15\u6570\u3092add_column\u306b\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001
\n\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u7ba1\u7406\u8005\u306b\u306a\u308c\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3092\u793a\u3059\u305f\u3081\u3067\u3059\u3002
\n(default:false\u5f15\u6570\u3092\u4e0e\u3048\u306a\u3044\u5834\u5408\u3001 admin\u306e\u5024\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067nil\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306ffalse\u3068\u540c\u3058\u610f\u5473\u3067\u3059\u306e\u3067\u3001\u5fc5\u305a\u3057\u3082\u3053\u306e\u5f15\u6570\u3092\u4e0e\u3048\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002
\n\u305f\u3060\u3057\u3001\u3053\u306e\u3088\u3046\u306b\u660e\u793a\u7684\u306b\u5f15\u6570\u3092\u4e0e\u3048\u3066\u304a\u3051\u3070\u3001
\n\u30b3\u30fc\u30c9\u306e\u610f\u56f3\u3092Rails\u3068\u958b\u767a\u8005\u306b\u660e\u78ba\u306b\u793a\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059)\u3002<\/p>\n
boolean\u578b\u306eadmin<\/code>\u5c5e\u6027\u3092User\u306b\u8ffd\u52a0\u3059\u308b\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3db\/migrate\/[timestamp]_add_admin_to_users.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
class<\/span> AddAdminToUsers<\/span> <<\/span> ActiveRecord<\/span>::<\/span>Migration<\/span>[<\/span>5<\/span>.<\/span>1<\/span>]<\/span>\r\n  def<\/span> change<\/span>\r\n    add_column<\/span> :users<\/span>,<\/span> :admin<\/span>,<\/span> :boolean<\/span>,<\/span> default<\/span>:<\/span> false<\/span>\r\n<\/span>  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
rails db:migrate<\/strong><\/pre>\n
Rails\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u671f\u5f85\u3069\u304a\u308aadmin\u5c5e\u6027\u304c\u8ffd\u52a0\u3055\u308c\u3066\u8ad6\u7406\u5024\u3092\u3068\u308a\u3001\u3055\u3089\u306b\u7591\u554f\u7b26\u306e\u4ed8\u3044\u305fadmin?\u30e1\u30bd\u30c3\u30c9\u3082\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
rails console --sandbox<\/strong>\r\n>> user = User.first<\/strong>\r\n>> user.admin?<\/strong>\r\n=> false<\/strong>\r\n>> user.toggle!(:admin)<\/strong>\r\n=> true<\/strong>\r\n>> user.admin?<\/strong>\r\n=> true<\/strong><\/pre>\n
\u3053\u3053\u3067\u306ftoggle!\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066 admin\u5c5e\u6027\u306e\u72b6\u614b\u3092false\u304b\u3089true\u306b\u53cd\u8ee2\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n
\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u751f\u6210\u30bf\u30b9\u30af\u306b\u7ba1\u7406\u8005\u30921\u4eba\u8ffd\u52a0\u3059\u308bdb\/seeds.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
User<\/span>.<\/span>create!<\/span>(<\/span>name<\/span>:<\/span>  \"Example User\"<\/span>,<\/span>\r\n             email<\/span>:<\/span> \"example@railstutorial.org\"<\/span>,<\/span>\r\n             password<\/span>:<\/span>              \"foobar\"<\/span>,<\/span>\r\n             password_confirmation<\/span>:<\/span> \"foobar\"<\/span>,<\/span>\r\n             admin<\/span>:<\/span> true<\/span>)<\/span>\r\n<\/span>\r\n99<\/span>.<\/span>times<\/span> do<\/span> |<\/span>n<\/span>|<\/span>\r\n  name<\/span>  =<\/span> Faker<\/span>::<\/span>Name<\/span>.<\/span>name<\/span>\r\n  email<\/span> =<\/span> \"example-<\/span>#{<\/span>n<\/span>+<\/span>1<\/span>}<\/span>@railstutorial.org\"<\/span>\r\n  password<\/span> =<\/span> \"password\"<\/span>\r\n  User<\/span>.<\/span>create!<\/span>(<\/span>name<\/span>:<\/span>  name<\/span>,<\/span>\r\n               email<\/span>:<\/span> email<\/span>,<\/span>\r\n               password<\/span>:<\/span>              password<\/span>,<\/span>\r\n               password_confirmation<\/span>:<\/span> password<\/span>)<\/span>\r\nend<\/span>\r\n<\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
\u6b21\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u3066\u3001\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u3092\u518d\u5ea6\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n
\n
\n
rails db:migrate:reset\r\nrails db:seed<\/strong><\/pre>\n<\/div>\n<\/div>\n
\u653b\u6483\u8005\u306f\u6b21\u306e\u3088\u3046\u306aPATCH\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3066\u304f\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n
patch \/users\/17?admin=1<\/strong><\/p>\n
\u3053\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u300117\u756a\u76ee\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u7ba1\u7406\u8005\u306b\u5909\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\u6b21\u306e\u3088\u3046\u306bparams\u30cf\u30c3\u30b7\u30e5\u306b\u5bfe\u3057\u3066require\u3068permit\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n
def user_params<\/strong>\r\n  params.require(:user).permit(:name, :email, :password,<\/strong>\r\n  :password_confirmation)<\/strong>\r\nend<\/strong><\/pre>\n
\u6f14\u7fd2<\/h3>\n
1:Web\u7d4c\u7531\u3067admin\u5c5e\u6027\u3092\u5909\u66f4\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u5177\u4f53\u7684\u306b\u306f\u3001PATCH\u3092\u76f4\u63a5\u30e6\u30fc\u30b6\u30fc\u306eURL (\/users\/:id) \u306b\u9001\u4fe1\u3059\u308b\u30c6\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002
\n\u30c6\u30b9\u30c8\u304c\u6b63\u3057\u3044\u632f\u308b\u821e\u3044\u3092\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u78ba\u4fe1\u3092\u5f97\u308b\u305f\u3081\u306b\u3001
\n\u307e\u305a\u306fadmin\u3092user_params\u30e1\u30bd\u30c3\u30c9\u5185\u306e\u8a31\u53ef\u3055\u308c\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u4e00\u89a7\u306b\u8ffd\u52a0\u3059\u308b\u3068\u3053\u308d\u304b\u3089\u59cb\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\n\u6700\u521d\u306e\u30c6\u30b9\u30c8\u306e\u7d50\u679c\u306f red\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
admin\u5c5e\u6027\u306e\u5909\u66f4\u304c\u7981\u6b62\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u30c6\u30b9\u30c8\u3059\u308b<\/p>\n
test\/controllers\/users_controller_test.rb<\/strong><\/p>\n
test \"should not allow the admin attribute to be edited via the web\" do<\/strong>\r\nlog_in_as(@other_user)<\/strong>\r\nassert_not @other_user.admin?<\/strong>\r\npatch user_path(@other_user), params: {<\/strong>\r\nuser: { password: FILL_IN,<\/strong>\r\npassword_confirmation: FILL_IN,<\/strong>\r\nadmin: FILL_IN } }<\/strong>\r\nassert_not @other_user.FILL_IN.admin?<\/strong>\r\nend<\/strong><\/pre>\n
users_controller_test.rb\r\nrequire<\/span> '<\/span>test_helper<\/span>'<\/span>\r\n\r\nclass<\/span> UsersControllerTest<\/span> < ActionDispatch<\/span>::IntegrationTest<\/span>\r\n(\u4e2d\u7565)\r\n  test \"<\/span>should not allow the admin attribute to be edited via the web<\/span>\"<\/span> do<\/span>\r\n    log_in_as(@other_user<\/span>)\r\n    assert_not @other_user<\/span>.admin?\r\n    patch user_path(@other_user<\/span>), \r\n    params<\/span>: { user<\/span>: { password<\/span>:   @other_user<\/span>.password,\r\n    password_confirmation<\/span>: @other_user<\/span>.password,\r\n    admin<\/span>: true<\/span> } }\r\n    assert_not @other_user<\/span>.reload.admin?\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n
10.4.2\u00a0<\/span>destroy<\/code>\u30a2\u30af\u30b7\u30e7\u30f3<\/h3>\n
Users\u30ea\u30bd\u30fc\u30b9\u306e\u6700\u5f8c\u306e\u4ed5\u4e0a\u3052\u3068\u3057\u3066\u3001destroy\u30a2\u30af\u30b7\u30e7\u30f3\u3078\u306e\u30ea\u30f3\u30af\u3092\u8ffd\u52a0\u3057\u307e\u3057\u3087\u3046\u3002
\n\u307e\u305a\u3001\u30e6\u30fc\u30b6\u30fcindex\u30da\u30fc\u30b8\u306e\u5404\u30e6\u30fc\u30b6\u30fc\u306b\u524a\u9664\u7528\u306e\u30ea\u30f3\u30af\u3092\u8ffd\u52a0\u3057\u3001
\n\u7d9a\u3044\u3066\u7ba1\u7406\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3057\u307e\u3059\u3002
\n\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u73fe\u5728\u306e\u30e6\u30fc\u30b6\u30fc\u304c
\n\u7ba1\u7406\u8005\u306e\u3068\u304d\u306b\u9650\u308a[delete]\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30e6\u30fc\u30b6\u30fc\u524a\u9664\u7528\u30ea\u30f3\u30af\u306e\u5b9f\u88c5 (\u7ba1\u7406\u8005\u306b\u306e\u307f\u8868\u793a\u3055\u308c\u308b)<\/span><\/div>\n
app\/views\/users\/_user.html.erb<\/code><\/strong><\/span><\/div>\n
\n
\n
<<\/span>li<\/span>><\/span>\r\n  <%=<\/span> gravatar_for<\/span> user<\/span>,<\/span> size<\/span>:<\/span> 50<\/span> %><\/span>\r\n  <%=<\/span> link_to<\/span> user<\/span>.<\/span>name<\/span>,<\/span> user<\/span> %><\/span>\r\n  <%<\/span> if<\/span> current_user<\/span>.<\/span>admin?<\/span> &&<\/span> !<\/span>current_user?<\/span>(<\/span>user<\/span>)<\/span> %><\/span>\r\n<\/span>  |<%=<\/span> link_to<\/span> \"delete\"<\/span>,<\/span> user<\/span>,<\/span> method<\/span>:<\/span> :delete<\/span>,<\/span>\r\n<\/span>     data<\/span>:<\/span> {<\/span> confirm<\/span>:<\/span> \"You sure?\"<\/span> }<\/span> %><\/span>\r\n<\/span>  <%<\/span> end<\/span> %><\/span>\r\n<\/span><\/<\/span>li<\/span>><\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\u30d6\u30e9\u30a6\u30b6\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u3067\u306fDELETE\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3067\u304d\u306a\u3044\u305f\u3081\u3001
\nRails\u3067\u306fJavaScript\u3092\u4f7f\u3063\u3066\u507d\u9020\u3057\u307e\u3059\u3002
\n\u3064\u307e\u308a\u3001JavaScript\u304c\u30aa\u30d5\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u30e6\u30fc\u30b6\u30fc\u524a\u9664\u306e\u30ea\u30f3\u30af\u3082\u7121\u52b9\u306b\u306a\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002
\nJavaScript\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3044\u30d6\u30e9\u30a6\u30b6\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u3068POST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4f7f\u3063\u3066DELETE\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u507d\u9020\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002
\n\u3053\u3061\u3089\u306fJavaScript\u304c\u306a\u304f\u3066\u3082\u52d5\u4f5c\u3057\u307e\u3059<\/p>\n
destroy\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\n\u3053\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u8a72\u5f53\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u898b\u3064\u3051\u3066Active Record\u306edestroy\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u524a\u9664\u3057\u3001\u6700\u5f8c\u306b\u30e6\u30fc\u30b6\u30fcindex\u306b\u79fb\u52d5\u3057\u307e\u3059
\n\u30e6\u30fc\u30b6\u30fc\u3092\u524a\u9664\u3059\u308b\u305f\u3081\u306b\u306f\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u306a\u304f\u3066\u306f\u306a\u3089\u306a\u3044\u306e\u3067\u3001
\n:destroy\u30a2\u30af\u30b7\u30e7\u30f3\u3082logged_in_user\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u5b9f\u969b\u306b\u52d5\u4f5c\u3059\u308bdestroy\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3059\u308b<\/p>\n
app\/controllers\/users_controller.rb<\/strong><\/p>\n
class UsersController < ApplicationController<\/strong>\r\n  before_action :logged_in_user, only: [:index, :edit, :update, :destroy]<\/strong>\r\n  before_action :correct_user, only: [:edit, :update]<\/strong>\r\n.<\/strong>\r\n.<\/strong>\r\n.<\/strong>\r\ndef destroy<\/strong>\r\n  User.find(params[:id]).destroy<\/strong>\r\n  flash[:success] = \"User deleted\"<\/strong>\r\n  redirect_to users_url<\/strong>\r\nend<\/strong><\/pre>\n
\u3042\u308b\u7a0b\u5ea6\u306e\u8155\u524d\u3092\u6301\u3064\u653b\u6483\u8005\u306a\u3089\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067DELETE\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u76f4\u63a5\u767a\u884c\u3059\u308b\u3068\u3044\u3046\u65b9\u6cd5\u3067\u30b5\u30a4\u30c8\u306e\u5168\u30e6\u30fc\u30b6\u30fc\u3092\u524a\u9664\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002
\n\u30b5\u30a4\u30c8\u3092\u6b63\u3057\u304f\u9632\u885b\u3059\u308b\u306b\u306f\u3001destroy\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u3082\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
before\u30d5\u30a3\u30eb\u30bf\u30fc\u3067destroy\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u7ba1\u7406\u8005\u3060\u3051\u306b\u9650\u5b9a\u3059\u308b
\napp\/controllers\/users_controller.rb<\/strong><\/p>\n
class<\/span> UsersController<\/span> <<\/span> ApplicationController<\/span>\r\n  before_action<\/span> :logged_in_user<\/span>,<\/span> only<\/span>:<\/span> [<\/span>:index<\/span>,<\/span> :edit<\/span>,<\/span> :update<\/span>,<\/span> :destroy<\/span>]<\/span>\r\n  before_action<\/span> :correct_user<\/span>,<\/span>   only<\/span>:<\/span> [<\/span>:edit<\/span>,<\/span> :update<\/span>]<\/span>\r\n  before_action<\/span> :admin_user<\/span>,<\/span>     only<\/span>:<\/span> :destroy<\/span>\r\n<\/span>  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  private<\/span>\r\n    .<\/span>\r\n    .<\/span>\r\n    .<\/span>\r\n    # \u7ba1\u7406\u8005\u304b\u3069\u3046\u304b\u78ba\u8a8d<\/span>\r\n    def<\/span> admin_user<\/span>\r\n      redirect_to<\/span>(<\/span>root_url<\/span>)<\/span> unless<\/span> current_user<\/span>.<\/span>admin?<\/span>\r\n<\/span>    end<\/span>\r\nend<\/span><\/strong><\/pre>\n
\u6f14\u7fd2<\/h2>\n
1:\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u3068\u3057\u3066\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u8a66\u3057\u306b\u30b5\u30f3\u30d7\u30eb\u30e6\u30fc\u30b6\u3092\uff12\u301c\uff13\u4eba\u524a\u9664\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\n\u30e6\u30fc\u30b6\u30fc\u3092\u524a\u9664\u3059\u308b\u3068\u3001Rails\u30b5\u30fc\u30d0\u30fc\u306e\u30ed\u30b0\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u60c5\u5831\u304c
\n\u8868\u793a\u3055\u308c\u308b\u3067\u3057\u3087\u3046\u304b?<\/h3>\n
DELETE FROM \"users\" WHERE \"users\".\"id\" = ? [[\"id\", 28]]<\/strong>\r\n(9.0ms) commit transaction<\/strong>\r\nRedirected to https:\/\/\u30fb\u30fb\u30fb\/users<\/strong><\/pre>\n
10.4.3\u00a0<\/span>\u30e6\u30fc\u30b6\u30fc\u524a\u9664\u306e\u30c6\u30b9\u30c8<\/h3>\n
\u30e6\u30fc\u30b6\u30fc\u3092\u524a\u9664\u3059\u308b\u3068\u3044\u3063\u305f\u91cd\u8981\u306a\u64cd\u4f5c\u306b\u3064\u3044\u3066\u306f\u3001\u671f\u5f85\u3055\u308c\u305f\u901a\u308a\u306b\u52d5\u4f5c\u3059\u308b\u304b\u78ba\u304b\u3081\u308b\u30c6\u30b9\u30c8\u3092\u66f8\u304f\u3079\u304d\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u307e\u305a\u306f\u30e6\u30fc\u30b6\u30fc\u7528fixture\u30d5\u30a1\u30a4\u30eb\u3092\u4fee\u6b63\u3057\u3001\u4eca\u3044\u308b\u30b5\u30f3\u30d7\u30eb\u30e6\u30fc\u30b6\u30fc\u306e\u4e00\u4eba\u3092\u7ba1\u7406\u8005\u306b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
fixture\u5185\u306e\u6700\u521d\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u7ba1\u7406\u8005\u306b\u3059\u308btest\/fixtures\/users.yml<\/strong><\/code><\/span><\/div>\n
\n
\n
michael:\r\n  name: Michael Example\r\n  email: michael@example.com\r\n  password_digest: <%= User.digest('password') %>\r\n  admin: true<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\u524a\u9664\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u3001DELETE\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u767a\u884c\u3057\u3066destroy\u30a2\u30af\u30b7\u30e7\u30f3\u3092
\n\u76f4\u63a5\u52d5\u4f5c\u3055\u305b\u307e\u3059\u3002\u3053\u306e\u3068\u304d2\u3064\u306e\u30b1\u30fc\u30b9\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u30021\u3064\u306f\u3001
\n\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u3067\u3042\u308c\u3070\u3001\u30ed\u30b0\u30a4\u30f3\u753b\u9762\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u308b\u3053\u3068\u3067\u3059\u3002
\n\u3082\u30461\u3064\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u6e08\u307f\u3067\u306f\u3042\u3063\u3066\u3082\u7ba1\u7406\u8005\u3067\u306a\u3051\u308c\u3070\u3001
\n\u30db\u30fc\u30e0\u753b\u9762\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n
\u7ba1\u7406\u8005\u6a29\u9650\u306e\u5236\u5fa1\u3092\u30a2\u30af\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb\u3067\u30c6\u30b9\u30c8\u3059\u308b green
\ntest\/controllers\/users_controller_test.rb<\/strong><\/p>\n
require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> UsersControllerTest<\/span> <<\/span> ActionDispatch<\/span>::<\/span>IntegrationTest<\/span>\r\n\r\n  def<\/span> setup<\/span>\r\n    @user<\/span>       =<\/span> users<\/span>(<\/span>:michael<\/span>)<\/span>\r\n    @other_user<\/span> =<\/span> users<\/span>(<\/span>:archer<\/span>)<\/span>\r\n  end<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  test<\/span> \"should redirect destroy when not logged in\"<\/span> do<\/span>\r\n    assert_no_difference<\/span> 'User.count'<\/span> do<\/span>\r\n      delete<\/span> user_path<\/span>(<\/span>@user<\/span>)<\/span>\r\n    end<\/span>\r\n    assert_redirected_to<\/span> login_url<\/span>\r\n  end<\/span>\r\n\r\n  test<\/span> \"should redirect destroy when logged in as a non-admin\"<\/span> do<\/span>\r\n    log_in_as<\/span>(<\/span>@other_user<\/span>)<\/span>\r\n    assert_no_difference<\/span> 'User.count'<\/span> do<\/span>\r\n      delete<\/span> user_path<\/span>(<\/span>@user<\/span>)<\/span>\r\n    end<\/span>\r\n    assert_redirected_to<\/span> root_url<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n
assert_no_difference\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u6570\u304c\u5909\u5316\u3057\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u308b\u70b9\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
assert_difference\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u304c\u4f5c\u6210\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u304c\u3001
\n\u4eca\u56de\u306f\u540c\u3058\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u304c\u524a\u9664\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002
\n\u5177\u4f53\u7684\u306b\u306f\u3001DELETE\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9069\u5207\u306aURL\u306b\u5411\u3051\u3066\u767a\u884c\u3057\u3001User.count\u3092\u4f7f\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u6570\u304c 1 \u6e1b\u3063\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u524a\u9664\u30ea\u30f3\u30af\u3068\u30e6\u30fc\u30b6\u30fc\u524a\u9664\u306b\u5bfe\u3059\u308b\u7d71\u5408\u30c6\u30b9\u30c8\u00a0green<\/strong><\/span><\/span><\/p>\n
test\/integration\/users_index_test.rb<\/code><\/span><\/strong><\/p>\n
\n
\n
require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> UsersIndexTest<\/span> <<\/span> ActionDispatch<\/span>::<\/span>IntegrationTest<\/span>\r\n\r\n  def<\/span> setup<\/span>\r\n    @admin<\/span>     =<\/span> users<\/span>(<\/span>:michael<\/span>)<\/span>\r\n    @non_admin<\/span> =<\/span> users<\/span>(<\/span>:archer<\/span>)<\/span>\r\n  end<\/span>\r\n\r\n  test<\/span> \"index as admin including pagination and delete links\"<\/span> do<\/span>\r\n    log_in_as<\/span>(<\/span>@admin<\/span>)<\/span>\r\n    get<\/span> users_path<\/span>\r\n    assert_template<\/span> 'users\/index'<\/span>\r\n    assert_select<\/span> 'div.pagination'<\/span>\r\n    first_page_of_users<\/span> =<\/span> User<\/span>.<\/span>paginate<\/span>(<\/span>page<\/span>:<\/span> 1<\/span>)<\/span>\r\n    first_page_of_users<\/span>.<\/span>each<\/span> do<\/span> |<\/span>user<\/span>|<\/span>\r\n      assert_select<\/span> 'a[href=?]'<\/span>,<\/span> user_path<\/span>(<\/span>user<\/span>),<\/span> text<\/span>:<\/span> user<\/span>.<\/span>name<\/span>\r\n      unless<\/span> user<\/span> ==<\/span> @admin<\/span>\r\n        assert_select<\/span> 'a[href=?]'<\/span>,<\/span> user_path<\/span>(<\/span>user<\/span>),<\/span> text<\/span>:<\/span> 'delete'<\/span>\r\n      end<\/span>\r\n    end<\/span>\r\n    assert_difference<\/span> 'User.count'<\/span>,<\/span> -<\/span>1<\/span> do<\/span>\r\n      delete<\/span> user_path<\/span>(<\/span>@non_admin<\/span>)<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\n\r\n  test<\/span> \"index as non-admin\"<\/span> do<\/span>\r\n    log_in_as<\/span>(<\/span>@non_admin<\/span>)<\/span>\r\n    get<\/span> users_path<\/span>\r\n    assert_select<\/span> 'a'<\/span>,<\/span> text<\/span>:<\/span> 'delete'<\/span>,<\/span> count<\/span>:<\/span> 0<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\u5404\u30e6\u30fc\u30b6\u30fc\u306e\u524a\u9664\u30ea\u30f3\u30af\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3068\u304d\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u7ba1\u7406\u8005\u3067\u3042\u308c\u3070\u30b9\u30ad\u30c3\u30d7\u3057\u3066\u3044\u308b\u70b9\u306b\u3082\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u6f14\u7fd2<\/h2>\n
\u8a66\u3057\u306bapp\/controllers\/users_controller.rb<\/code><\/span>\u306b\u3042\u308b\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u306ebefore\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u307f\u3066\u3001\u30c6\u30b9\u30c8\u306e\u7d50\u679c\u304c\u00a0red<\/strong><\/span>\u306b\u5909\u308f\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/h3>\n
before_action :admin_user\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u78ba\u8a8d\u3057\u305f\u3089OK\u3067\u3059<\/p>\n
10.5.1 \u672c\u7ae0\u306e\u307e\u3068\u3081<\/h3>\n
1:\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u7de8\u96c6\u30d5\u30a9\u30fc\u30e0\u304b\u3089PATCH\u30ea\u30af\u30a8\u30b9\u30c8\u3092update\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u9001\u4fe1\u3057\u3001\u60c5\u5831\u3092\u66f4\u65b0\u3059\u308b<\/h4>\n
2:Strong Parameters\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u5b89\u5168\u306bWeb\u4e0a\u304b\u3089\u66f4\u65b0\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/h4>\n
3:before\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u3046\u3068\u3001\u7279\u5b9a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b\u76f4\u524d\u306b\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b<\/h4>\n
4:before\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u3063\u3066\u3001\u8a8d\u53ef (\u30a2\u30af\u30bb\u30b9\u5236\u5fa1) \u3092\u5b9f\u73fe\u3057\u305f<\/h4>\n
5:\u8a8d\u53ef\u306b\u5bfe\u3059\u308b\u30c6\u30b9\u30c8\u3067\u306f\u3001\u7279\u5b9a\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u76f4\u63a5\u9001\u4fe1\u3059\u308b\u4f4e\u7d1a\u306a\u30c6\u30b9\u30c8\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u64cd\u4f5c\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u9ad8\u7d1a\u306a\u30c6\u30b9\u30c8 (\u7d71\u5408\u30c6\u30b9\u30c8) \u306e2\u3064\u3092\u5229\u7528\u3057\u305f<\/h4>\n
6:\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u3068\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u6210\u529f\u6642\u306b\u5143\u3005\u884c\u304d\u305f\u304b\u3063\u305f\u30da\u30fc\u30b8\u306b\u8ee2\u9001\u3055\u305b\u308b\u6a5f\u80fd\u3067\u3042\u308b<\/h4>\n
7:\u30e6\u30fc\u30b6\u30fc\u4e00\u89a7\u30da\u30fc\u30b8\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u30da\u30fc\u30b8\u6bce\u306b\u5206\u5272\u3057\u3066\u8868\u793a\u3059\u308b<\/h4>\n
8:rails db:seed\u30b3\u30de\u30f3\u30c9\u306f\u3001db\/seeds.rb\u306b\u3042\u308b\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u6d41\u3057\u8fbc\u3080<\/h4>\n
9:render @users\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u81ea\u52d5\u7684\u306b_user.html.erb\u30d1\u30fc\u30b7\u30e3\u30eb\u3092\u53c2\u7167\u3057\u3001\u5404\u30e6\u30fc\u30b6\u30fc\u3092\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3068\u3057\u3066\u8868\u793a\u3059\u308b<\/h4>\n
10:boolean\u578b\u306eadmin\u5c5e\u6027\u3092User\u30e2\u30c7\u30eb\u306b\u8ffd\u52a0\u3059\u308b\u3068\u3001admin?\u3068\u3044\u3046\u8ad6\u7406\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9\u304c\u81ea\u52d5\u7684\u306b\u8ffd\u52a0\u3055\u308c\u308b
\n11:\u7ba1\u7406\u8005\u304c\u524a\u9664\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001DELETE\u30ea\u30af\u30a8\u30b9\u30c8\u304cdestroy\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u5411\u3051\u3066\u9001\u4fe1\u3055\u308c\u3001\u8a72\u5f53\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u304c\u524a\u9664\u3055\u308c\u308b
\n12:fixture\u30d5\u30a1\u30a4\u30eb\u5185\u3067\u57cb\u3081\u8fbc\u307fRuby\u3092\u4f7f\u3046\u3068\u3001\u591a\u91cf\u306e\u30c6\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/h4>\n
\u305d\u306e11\u306b\u7d9a\u304f<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
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