{"id":3073,"date":"2021-12-04T09:59:34","date_gmt":"2021-12-04T00:59:34","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=3073"},"modified":"2022-01-23T05:59:14","modified_gmt":"2022-01-22T20:59:14","slug":"rails-tutorial13-2","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2021\/12\/04\/rails-tutorial13-2\/","title":{"rendered":"Rails-tutorial\u306e\u307e\u3068\u3081(13.2.1 \u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u63cf\u753b \u4e3b\u306b\u6f14\u7fd2)"},"content":{"rendered":"

\u305d\u306e13\u304b\u3089\u7d9a\u304f<\/a><\/p>\n

13.2.1 \u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u63cf\u753b<\/h3>\n

\u30e6\u30fc\u30b6\u30fc\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u9762 (show.html.erb) \u3067\u305d\u306e\u30e6\u30fc\u30b6\u30fc\u306e
\n\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u8868\u793a\u3055\u305b\u305f\u308a\u3001\u3053\u308c\u307e\u3067\u306b\u6295\u7a3f\u3057\u305f\u7dcf\u6570\u3082\u8868\u793a\u3055\u305b\u305f\u308a\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

Micropost\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3068\u30d3\u30e5\u30fc\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3092\u751f\u6210\u3057\u307e\u3057\u3087\u3046\u3002\u306a\u304a\u3001\u4eca\u56de\u4f7f\u3046\u306e\u306f\u30d3\u30e5\u30fc\u3060\u3051\u3067\u3001Microposts\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f 13.3\u304b\u3089\u4f7f\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

rails db:migrate:reset\r\nrails db:seed<\/strong>\r\nrails generate controller Microposts<\/strong><\/pre>\n
_micropost.html.erb\u30d1\u30fc\u30b7\u30e3\u30eb\u3092\u4f7f\u3063\u3066\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092
\n\u8868\u793a\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
<ol class=”microposts”>
\n<%= render @microposts %>
\n<\/ol><\/p>\n
\u9806\u5e8f\u7121\u3057\u30ea\u30b9\u30c8\u306eul\u30bf\u30b0\u3067\u306f\u306a\u304f\u3001\u9806\u5e8f\u4ed8\u304d\u30ea\u30b9\u30c8\u306eol\u30bf\u30b0\u3092\u4f7f\u3063\u3066\u3044\u308b\u70b9\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002
\n\u3053\u308c\u306f\u3001\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u304c\u7279\u5b9a\u306e\u9806\u5e8f (\u65b0\u3057\u3044\u2192\u53e4\u3044)
\n\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n
\u6b21\u306b\u3001\u5bfe\u5fdc\u3059\u308b\u30d1\u30fc\u30b7\u30e3\u30eb\u3092\u793a\u3057\u307e\u3059\u3002
\n1\u3064\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u8868\u793a\u3059\u308b\u30d1\u30fc\u30b7\u30e3\u30eb
\napp\/views\/microposts\/_micropost.html.erb<\/strong><\/p>\n
<li id=\"micropost-<%= micropost.id %>\"><\/strong>\r\n <%= link_to gravatar_for(micropost.user, size: 50), micropost.user %><\/strong>\r\n <span class=\"user\"><%= link_to micropost.user.name, micropost.user %><\/span><\/strong>\r\n <span class=\"content\"><%= micropost.content %><\/span><\/strong>\r\n <span class=\"timestamp\"><\/strong>\r\n  Posted <%= time_ago_in_words(micropost.created_at) %> ago.<\/strong>\r\n <\/span><\/strong>\r\n<\/li><\/strong><\/pre>\n
time_ago_in_words\u3068\u3044\u3046\u2191\u30d8\u30eb\u30d1\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002
\n\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u8868\u3059\u3068\u304a\u308a\u3067\u3059\u304c\u3001\u300c3\u5206\u524d\u306b\u6295\u7a3f\u300d\u3068\u3044\u3063\u305f\u6587\u5b57\u5217\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n
\u5404\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306b\u5bfe\u3057\u3066CSS\u306eid\u3092\u5272\u308a\u632f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
<li id=”micropost-<%= micropost.id %>”><\/strong><\/p>\n
\u3053\u308c\u306f\u4e00\u822c\u7684\u306b\u826f\u3044\u3068\u3055\u308c\u308b\u6163\u7fd2\u3067\u3001\u4f8b\u3048\u3070\u5c06\u6765\u3001JavaScript\u3092\u4f7f\u3063\u3066
\n\u5404\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u64cd\u4f5c\u3057\u305f\u304f\u306a\u3063\u305f\u3068\u304d\u306a\u3069\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n
\u4e00\u5ea6\u306b\u3059\u3079\u3066\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3046\u6f5c\u5728\u7684\u554f\u984c\u306b\u5bfe\u51e6\u3057\u307e\u3059\u300210\u3067\u306f\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u3044\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u3082\u540c\u3058\u65b9\u6cd5\u3067\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002
\n\u524d\u56de\u540c\u69d8\u3001will_paginate\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
<%= will_paginate @microposts %><\/strong><\/p>\n
\u4ee5\u524d\u306f\u6b21\u306e\u3088\u3046\u306b\u5358\u7d14\u306a\u30b3\u30fc\u30c9\u3067\u3057\u305f\u3002<\/p>\n
<%= will_paginate %><\/strong><\/p>\n
\u5b9f\u306f\u3001\u4e0a\u306e\u30b3\u30fc\u30c9\u306f\u5f15\u6570\u306a\u3057\u3067\u52d5\u4f5c\u3057\u3066\u3044\u307e\u3057\u305f\u3002
\n\u3053\u308c\u306fwill_paginate\u304c\u3001Users\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306b
\n\u304a\u3044\u3066\u3001@users\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059<\/p>\n
\u4eca\u56de\u306e\u5834\u5408\u306fUsers\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304b\u3089\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u3057\u305f\u3044\u305f\u3081 (\u3064\u307e\u308a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304c\u7570\u306a\u308b\u305f\u3081)\u3001
\n\u660e\u793a\u7684\u306b@microposts\u5909\u6570\u3092will_paginate\u306b\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u3057\u305f\u304c\u3063\u3066\u3001\u305d\u306e\u3088\u3046\u306a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3092Users\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e
\nshow\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u5b9a\u7fa9\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093
\n@microposts\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3092show\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u8ffd\u52a0\u3059\u308b<\/p>\n
app\/controllers\/users_controller.rb<\/strong><\/p>\n
class<\/span> UsersController<\/span> <<\/span> ApplicationController<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  def<\/span> show<\/span>\r\n    @user<\/span> =<\/span> User<\/span>.<\/span>find<\/span>(<\/span>params<\/span>[<\/span>:id<\/span>]<\/span>)<\/span>\r\n    @microposts<\/span> =<\/span> @user<\/span>.<\/span>microposts<\/span>.<\/span>paginate<\/span>(<\/span>page<\/span>:<\/span> params<\/span>[<\/span>:page<\/span>]<\/span>)<\/span>\r\n<\/span>  end<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\nend<\/span><\/strong><\/pre>\n
\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u6295\u7a3f\u6570\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u3067\u3059\u304c\u3001\u3053\u308c\u306fcount\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3053\u3068\u3067\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n
user.microposts.count<\/strong><\/p>\n
paginate\u3068\u540c\u69d8\u306b\u3001\u95a2\u9023\u4ed8\u3051\u3092\u3068\u304a\u3057\u3066count\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u5927\u4e8b\u306a\u3053\u3068\u306f\u3001count\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e0a\u306e
\n\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u5168\u90e8\u8aad\u307f\u3060\u3057\u3066\u304b\u3089\u7d50\u679c\u306e\u914d\u5217\u306b\u5bfe\u3057\u3066length\u3092\u547c\u3076\u3001\u3068\u3044\u3063\u305f\u7121\u99c4\u306a\u51e6\u7406\u306f\u3057\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002
\n\u305d\u3093\u306a\u3053\u3068\u3092\u3057\u305f\u3089\u3001
\n\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u6570\u304c\u5897\u52a0\u3059\u308b\u306b\u3064\u308c\u3066\u52b9\u7387\u304c\u4f4e\u4e0b\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\n\u305d\u3046\u3067\u306f\u306a\u304f\u3001(\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u3067\u306e\u8a08\u7b97\u306f\u9ad8\u5ea6\u306b\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u308b\u306e\u3067)\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4ee3\u308f\u308a\u306b\u8a08\u7b97\u3057\u3066\u3082\u3089\u3044\u3001
\n\u7279\u5b9a\u306euser_id\u306b\u7d10\u4ed8\u3044\u305f
\n\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u6570\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u554f\u3044\u5408\u308f\u305b\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3059\u3079\u3066\u306e\u8981\u7d20\u304c\u63c3\u3063\u305f\u306e\u3067\u3001\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u9762\u306b\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092
\n\u8868\u793a\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046(\u3053\u306e\u3068\u304d\u3001if @user.microposts.any?\u3092\u4f7f\u3063\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u304c1\u3064\u3082\u306a\u3044\u5834\u5408\u306b\u306f\u7a7a\u306e\u30ea\u30b9\u30c8\u3092
\n\u8868\u793a\u3055\u305b\u3066\u3044\u306a\u3044\u70b9\u306b\u3082\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002)<\/p>\n
\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u30e6\u30fc\u30b6\u30fc\u306eshow\u30da\u30fc\u30b8 (\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u9762) \u306b\u8ffd\u52a0\u3059\u308b
\napp\/views\/users\/show.html.erb<\/strong><\/p>\n
<%<\/span> provide<\/span>(<\/span>:title<\/span>,<\/span> @user<\/span>.<\/span>name<\/span>)<\/span> %><\/span>\r\n<<\/span>div<\/span> class<\/span>=<\/span>\"row\"<\/span>><\/span>\r\n  <<\/span>aside<\/span> class<\/span>=<\/span>\"col-md-4\"<\/span>><\/span>\r\n    <<\/span>section<\/span> class<\/span>=<\/span>\"user_info\"<\/span>><\/span>\r\n      <<\/span>h1<\/span>><\/span>\r\n        <%=<\/span> gravatar_for<\/span> @user<\/span> %><\/span>\r\n        <%=<\/span> @user<\/span>.<\/span>name<\/span> %><\/span>\r\n      <\/<\/span>h1<\/span>><\/span>\r\n    <\/<\/span>section<\/span>><\/span>\r\n  <\/<\/span>aside<\/span>><\/span>\r\n  <<\/span>div<\/span> class<\/span>=<\/span>\"col-md-8\"<\/span>><\/span>\r\n<\/span>    <%<\/span> if<\/span> @user<\/span>.<\/span>microposts<\/span>.<\/span>any?<\/span> %><\/span>\r\n<\/span>      <<\/span>h3<\/span>><\/span>Microposts (<%=<\/span> @user<\/span>.<\/span>microposts<\/span>.<\/span>count<\/span> %><\/span>)<\/<\/span>h3<\/span>><\/span>\r\n<\/span>      <<\/span>ol<\/span> class<\/span>=<\/span>\"microposts\"<\/span>><\/span>\r\n<\/span>        <%=<\/span> render<\/span> @microposts<\/span> %><\/span>\r\n<\/span>      <\/<\/span>ol<\/span>><\/span>\r\n<\/span>      <%=<\/span> will_paginate<\/span> @microposts<\/span> %><\/span>\r\n<\/span>    <%<\/span> end<\/span> %><\/span>\r\n<\/span>  <\/<\/span>div<\/span>><\/span>\r\n<\/span><\/<\/span>div<\/span>><\/span><\/strong><\/pre>\n
\u6f14\u7fd2<\/h3>\n
\u4eca\u56de\u30d8\u30eb\u30d1\u30fc\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066\u4f7f\u3063\u305ftime_ago_in_words\u30e1\u30bd\u30c3\u30c9\u306f\u3001
\nRails\u30b3\u30f3\u30bd\u30fc\u30eb\u306ehelper\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u3053\u306ehelper\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306etime_ago_in_words\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3001
\n3.weeks.ago\u30846.months.ago\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
helper.time_ago_in_words(3.weeks.ago)<\/strong>\r\n=> \"21 days\"<\/strong>\r\n>> helper.time_ago_in_words(6.months.ago)<\/strong>\r\n=> \"6 months\"<\/strong><\/pre>\n
2:helper.time_ago_in_words(1.year.ago)\u3068\u5b9f\u884c\u3059\u308b\u3068\u3001\u3069\u3046\u3044\u3063\u305f\u7d50\u679c\u304c\u8fd4\u3063\u3066\u304f\u308b\u3067\u3057\u3087\u3046\u304b?<\/p>\n
helper.time_ago_in_words(1.year.ago)<\/strong>\r\n=> \"about 1 year\"<\/strong><\/pre>\n
3:microposts\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30af\u30e9\u30b9\u306f\u4f55\u3067\u3057\u3087\u3046\u304b? \u30d2\u30f3\u30c8: \u30ea\u30b9\u30c8 13.23\u5185\u306e\u30b3\u30fc\u30c9\u306b\u3042\u308b\u3088\u3046\u306b\u3001\u307e\u305a\u306fpaginate\u30e1\u30bd\u30c3\u30c9 (\u5f15\u6570\u306fpage: nil) \u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\u3057\u3001\u305d\u306e\u5f8cclass\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
user = User.find(1)<\/strong>\r\nUser Load (0.2ms) SELECT \"users\".* FROM \"users\" WHERE \"users\".\"id\" = ? LIMIT ? [[\"id\", 1], [\"LIMIT\", 1]]<\/strong>\r\n=> #<User id: 1, name: \"Example User\", email: \"example@railstutorial.org\", created_at: \"2020-04-10 02:03:10\", updated_at: \"2020-04-10 02:03:10\", password_digest: \"$2a$10$cwFqu4HHjAMUEhZpbM294.4JUOfjV08XlIzGu37zTSD...\", remember_digest: nil, admin: true, activation_digest: \"$2a$10$mRd3DEhj6awejp8QoTEbouySA73h7GJW4h5MQYUJ3ax...\", activated: true, activated_at: \"2020-04-10 02:03:09\", reset_digest: nil, reset_sent_at: nil><\/strong>\r\n>> microposts = user.microposts.paginate(page:nil)<\/strong>\r\nMicropost Load (0.2ms) SELECT \"microposts\".* FROM \"microposts\" WHERE \"microposts\".\"user_id\" = ? ORDER BY \"microposts\".\"created_at\" DESC LIMIT ? OFFSET ? [[\"user_id\", 1], [\"LIMIT\", 11], [\"OFFSET\", 0]]<\/strong>\r\n=> #<ActiveRecord::AssociationRelation []><\/strong>\r\n>> microposts.class<\/strong>\r\n=> Micropost::ActiveRecord_AssociationRelation<\/strong><\/pre>\n
13.2.2\u00a0<\/span>\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u30b5\u30f3\u30d7\u30eb<\/h3>\n
\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u8ffd\u52a0\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u6642\u9593\u304c\u639b\u304b\u308a\u904e\u304e\u308b\u306e\u3067\u3001take\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u6700\u521d\u306e6\u4eba\u3060\u3051\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
User.order(:created_at).take(6)<\/strong><\/pre>\n
\u3053\u306e\u3068\u304d\u3001order\u30e1\u30bd\u30c3\u30c9\u3092\u7d4c\u7531\u3059\u308b\u3053\u3068\u3067\u3001
\n\u4f5c\u6210\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u306e\u6700\u521d\u306e6\u4eba\u3092\u660e\u793a\u7684\u306b\u547c\u3073\u51fa\u3059\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u306e6\u4eba\u306b\u3064\u3044\u3066\u306f\u30011\u30da\u30fc\u30b8\u306e\u8868\u793a\u9650\u754c\u6570(30)\u3092\u8d8a\u3048\u3055\u305b\u308b\u305f\u3081\u306b\u3001
\n\u305d\u308c\u305e\u308c50\u500b\u5206\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002
\n\u307e\u305f\u3001\u5404\u6295\u7a3f\u5185\u5bb9\u306b\u3064\u3044\u3066\u3067\u3059\u304c\u3001Faker gem
\n\u306bLorem.sentence\u3068\u3044\u3046\u4fbf\u5229\u306a\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u306e\u3067\u3001\u3053\u308c\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u306b\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u8ffd\u52a0\u3059\u308b
\ndb\/seeds.rb<\/strong><\/p>\n
users = User.order(:created_at).take(6)<\/strong>\r\n50.times do<\/strong>\r\ncontent = Faker::Lorem.sentence(5)<\/strong>\r\nusers.each { |user| user.microposts.create!<\/strong>\r\n(content: content) }<\/strong>\r\nend<\/strong><\/pre>\n
rails db:migrate:reset\r\nrails db:seed<\/strong><\/pre>\n
\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u7528\u306eCSS (\u672c\u7ae0\u3067\u5229\u7528\u3059\u308bCSS\u306e\u3059\u3079\u3066)
\napp\/assets\/stylesheets\/custom.scss<\/strong><\/p>\n
.<\/span>\r\n.<\/span>\r\n\/*<\/span> microposts<\/span> *\/<\/span>\r\n\r\n.microposts<\/span> {<\/span>\r\n  list-style<\/span>:<\/span> none<\/span>;<\/span>\r\n  padding<\/span>:<\/span> 0<\/span>;<\/span>\r\n  li<\/span> {<\/span>\r\n    padding<\/span>:<\/span> 10px<\/span> 0<\/span>;<\/span>\r\n    border-top<\/span>:<\/span> 1px<\/span> solid<\/span> #e8e8e8<\/span>;<\/span>\r\n  }<\/span>\r\n  .user<\/span> {<\/span>\r\n    margin-top<\/span>:<\/span> 5em<\/span>;<\/span>\r\n    padding-top<\/span>:<\/span> 0<\/span>;<\/span>\r\n  }<\/span>\r\n  .content<\/span> {<\/span>\r\n    display<\/span>:<\/span> block<\/span>;<\/span>\r\n    margin-left<\/span>:<\/span> 60px<\/span>;<\/span>\r\n    img<\/span> {<\/span>\r\n      display<\/span>:<\/span> block<\/span>;<\/span>\r\n      padding<\/span>:<\/span> 5px<\/span> 0<\/span>;<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n  .timestamp<\/span> {<\/span>\r\n    color<\/span>:<\/span> $<\/span>gray-light<\/span>;<\/span>\r\n    display<\/span>:<\/span> block<\/span>;<\/span>\r\n    margin-left<\/span>:<\/span> 60px<\/span>;<\/span>\r\n  }<\/span>\r\n  .gravatar<\/span> {<\/span>\r\n    float<\/span>:<\/span> left<\/span>;<\/span>\r\n    margin-right<\/span>:<\/span> 10px<\/span>;<\/span>\r\n    margin-top<\/span>:<\/span> 5px<\/span>;<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\naside<\/span> {<\/span>\r\n  textarea<\/span> {<\/span>\r\n    height<\/span>:<\/span> 100px<\/span>;<\/span>\r\n    margin-bottom<\/span>:<\/span> 5px<\/span>;<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\nspan<\/span>.picture<\/span> {<\/span>\r\n  margin-top<\/span>:<\/span> 10px<\/span>;<\/span>\r\n  input<\/span> {<\/span>\r\n    border<\/span>:<\/span> 0<\/span>;<\/span>\r\n  }<\/span>\r\n}<\/span><\/strong><\/pre>\n
\u6f14\u7fd2<\/h2>\n
1:(1..10).to_a.take(6)\u3068\u3044\u3046\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\u3092\u63a8\u6e2c\u3067\u304d\u307e\u3059\u304b?
\n\u63a8\u6e2c\u3057\u305f\u5024\u304c\u5408\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/h3>\n
(1..10).to_a.take(6)<\/strong>\r\n=> [1, 2, 3, 4, 5, 6]<\/strong><\/pre>\n
2:\u5148\u307b\u3069\u306e\u6f14\u7fd2\u306b\u3042\u3063\u305fto_a\u30e1\u30bd\u30c3\u30c9\u306e\u90e8\u5206\u306f\u672c\u5f53\u306b\u5fc5\u8981\u3067\u3057\u3087\u3046\u304b? \u78ba\u304b\u3081\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/h3>\n
(1..10).take(6)<\/strong>\r\n=> [1, 2, 3, 4, 5, 6]<\/strong><\/pre>\n
3:Faker\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 (\u82f1\u8a9e) \u3092\u773a\u3081\u306a\u304c\u3089\u753b\u9762\u306b\u51fa\u529b\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u3001\u5b9f\u969b\u306b\u5927\u5b66\u540d\u3084\u96fb\u8a71\u756a\u53f7\u3092\u753b\u9762\u306b\u51fa\u529b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/h3>\n
Faker::Hipster.words<\/strong>\r\n=> [\"whatever\", \"schlitz\", \"kickstarter\"]<\/strong>\r\n>> Faker::ChuckNorris.fact<\/strong>\r\n=> \"Quantum cryptography does not work on Chuck Norris. When something is being observed by Chuck it stays in the same state until he's finished.\"<\/strong><\/pre>\n
13.2.3 \u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u9762\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u30c6\u30b9\u30c8\u3059\u308b<\/h3>\n
\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u9762\u3067\u8868\u793a\u3055\u308c\u308b\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u3001
\n\u7d71\u5408\u30c6\u30b9\u30c8\u3092\u66f8\u3044\u3066\u3044\u304d\u307e\u3059\u3002\u307e\u305a\u306f\u3001\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u9762\u7528\u306e\u7d71\u5408\u30c6\u30b9\u30c8\u3092\u751f\u6210\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
rails generate integration_test users_profile<\/strong><\/pre>\n
\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u9762\u306b\u304a\u3051\u308b\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u306f\u3001
\n\u30e6\u30fc\u30b6\u30fc\u306b\u7d10\u4ed8\u3044\u305f\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u30c6\u30b9\u30c8\u7528\u30c7\u30fc\u30bf\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002
\nRails\u306e\u6163\u7fd2\u306b\u5f93\u3063\u3066\u3001\u95a2\u9023\u4ed8\u3051\u3055\u308c\u305f\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092fixture\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u52a0\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
orange:<\/strong>\r\ncontent: \"I just ate an orange!\"<\/strong>\r\ncreated_at: <%= 10.minutes.ago %><\/strong>\r\nuser: michael<\/strong><\/pre>\n
user\u306bmichael\u3068\u3044\u3046\u5024\u3092\u6e21\u3059\u3068\u3001
\nRails\u306ffixture\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u5bfe\u5fdc\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u63a2\u3057\u51fa\u3057\u3066\u3001
\n(\u3082\u3057\u898b\u3064\u304b\u308c\u3070) \u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306b\u95a2\u9023\u4ed8\u3051\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n
\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u306f\u3001
\n\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u7528\u306efixture\u306b\u3044\u304f\u3064\u304b\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c
\n\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u30ea\u30b9\u30c8 10.47\u3067\u30e6\u30fc\u30b6\u30fc\u3092\u8ffd\u52a0\u3057\u305f\u3068\u304d\u3068\u540c\u69d8\u306b\u3001\u57cb\u3081\u8fbc\u307fRuby\u3092\u4f7f\u3046\u3068\u7c21\u5358\u3067\u3059\u3002<\/p>\n
<% 30.times do |n| %><\/strong>\r\nmicropost_<%= n %>:<\/strong>\r\ncontent: <%= Faker::Lorem.sentence(5) %><\/strong>\r\ncreated_at: <%= 42.days.ago %><\/strong>\r\nuser: michael<\/strong>\r\n<% end %><\/strong><\/pre>\n
\u30e6\u30fc\u30b6\u30fc\u3068\u95a2\u9023\u4ed8\u3051\u3055\u308c\u305f\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306efixture
\ntest\/fixtures\/microposts.yml<\/strong><\/p>\n
orange<\/span>:<\/span>\r\n  content<\/span>:<\/span> \"I<\/span> just<\/span> ate<\/span> an<\/span> orange!\"<\/span>\r\n  created_at<\/span>:<\/span> <%= 10.minutes.ago %><\/span>\r\n  user<\/span>:<\/span> michael<\/span>\r\n<\/span>\r\ntau_manifesto<\/span>:<\/span>\r\n  content<\/span>:<\/span> \"Check<\/span> out<\/span> the<\/span> @tauday<\/span> site<\/span> by<\/span> @mhartl:<\/span> http:\/\/tauday.com\"<\/span>\r\n  created_at<\/span>:<\/span> <%= 3.years.ago %><\/span>\r\n  user<\/span>:<\/span> michael<\/span>\r\n<\/span>\r\ncat_video<\/span>:<\/span>\r\n  content<\/span>:<\/span> \"Sad<\/span> cats<\/span> are<\/span> sad:<\/span> http:\/\/youtu.be\/PKffm2uI4dk\"<\/span>\r\n  created_at<\/span>:<\/span> <%= 2.hours.ago %><\/span>\r\n  user<\/span>:<\/span> michael<\/span>\r\n<\/span>\r\nmost_recent<\/span>:<\/span>\r\n  content<\/span>:<\/span> \"Writing<\/span> a<\/span> short<\/span> test\"<\/span>\r\n  created_at<\/span>:<\/span> <%= Time.zone.now %><\/span>\r\n  user<\/span>:<\/span> michael<\/span>\r\n<\/span>\r\n<% 30.times do |n| %><\/span>\r\n<\/span>micropost_<%= n %><\/span>:<\/span>\r\n<\/span>  content<\/span>:<\/span> <%= Faker::Lorem.sentence(5) %><\/span>\r\n<\/span>  created_at<\/span>:<\/span> <%= 42.days.ago %><\/span>\r\n<\/span>  user<\/span>:<\/span> michael<\/span>\r\n<\/span><% end %><\/span><\/span><\/strong><\/pre>\n
User\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u9762\u306b\u5bfe\u3059\u308b\u30c6\u30b9\u30c8green<\/p>\n
test\/integration\/users_profile_test.rb<\/strong><\/p>\n
require 'test_helper'<\/strong>\r\n\r\nclass UsersProfileTest < ActionDispatch::IntegrationTest<\/strong>\r\ninclude ApplicationHelper<\/strong>\r\n\r\ndef setup<\/strong>\r\n  @user = users(:michael)<\/strong>\r\nend<\/strong>\r\n\r\ntest \"profile display\" do<\/strong>\r\n get user_path(@user)<\/strong>\r\n assert_template 'users\/show'<\/strong>\r\n assert_select 'title', full_title(@user.name)<\/strong>\r\n assert_select 'h1', text: @user.name<\/strong>\r\n assert_select 'h1>img.gravatar'<\/strong>\r\n assert_match @user.microposts.count.to_s, response.body<\/strong>\r\n assert_select 'div.pagination'<\/strong>\r\n  @user.microposts.paginate(page: 1).each do |micropost|<\/strong>\r\n   assert_match micropost.content, response.body<\/strong>\r\n  end<\/strong>\r\n end<\/strong>\r\nend<\/strong><\/pre>\n
response.body\u306b\u306f\u305d\u306e\u30da\u30fc\u30b8\u306e\u5b8c\u5168\u306aHTML\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059
\n(HTML\u306ebody\u30bf\u30b0\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093)\u3002\u3064\u307e\u308a\u3001\u305d\u306e\u30da\u30fc\u30b8\u306e\u3069\u3053\u304b\u3057\u3089\u306b
\n\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u6295\u7a3f\u6570\u304c\u5b58\u5728\u3059\u308b\u306e\u3067\u3042\u308c\u3070\u3001
\n\u6b21\u306e\u3088\u3046\u306b\u63a2\u3057\u51fa\u3057\u3066\u30de\u30c3\u30c1\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
assert_match @user.microposts.count.to_s, response.body<\/strong><\/pre>\n
\u3053\u308c\u306fassert_select\u3088\u308a\u3082\u305a\u3063\u3068\u62bd\u8c61\u7684\u306a\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002
\n\u7279\u306b\u3001assert_select\u3067\u306f\u3069\u306eHTML\u30bf\u30b0\u3092\u63a2\u3059\u306e\u304b\u4f1d\u3048\u308b\u5fc5\u8981\u304c
\n\u3042\u308a\u307e\u3059\u304c\u3001assert_match\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u305d\u306e\u5fc5\u8981\u304c\u306a\u3044\u70b9\u304c\u9055\u3044\u307e\u3059\u3002<\/h3>\n
assert_select\u306e\u5f15\u6570\u3067\u306f\u3001
\n\u30cd\u30b9\u30c8\u3057\u305f\u6587\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u308b\u70b9\u306b\u3082\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
assert_select 'h1>img.gravatar'<\/strong><\/pre>\n
h1\u30bf\u30b0 (\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u306e\u898b\u51fa\u3057) \u306e\u5185\u5074\u306b\u3042\u308b\u3001
\ngravatar\u30af\u30e9\u30b9\u4ed8\u304d\u306eimg\u30bf\u30b0\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/p>\n
green<\/strong><\/span><\/span><\/div>\n
\n
\n
rails test<\/pre>\n<\/div>\n<\/div>\n
\u6f14\u7fd2<\/h3>\n
1:2\u3064\u306e’h1’\u306e\u30c6\u30b9\u30c8\u304c\u6b63\u3057\u3044\u304b\u78ba\u304b\u3081\u308b\u305f\u3081\u3001
\n\u8a72\u5f53\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u306e\u30b3\u30fc\u30c9\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002green\u304b\u3089red\u306b\u5909\u308f\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
Expected at least 1 element matching \"h1\", found 0..<\/strong>\r\nExpected 0 to be >= 1.<\/strong>\r\nRED\u306b\u306a\u308b<\/strong><\/pre>\n
2:\u30c6\u30b9\u30c8\u3092\u5909\u66f4\u3057\u3066\u3001will_paginate\u304c\uff11\u5ea6\u306e\u307f\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092
\n\u30c6\u30b9\u30c8\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30d2\u30f3\u30c8: \u8868 5.2\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
assert_select 'div.pagination', count:1<\/strong><\/pre>\n
13.3\u306b\u7d9a\u304f<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u305d\u306e13\u304b\u3089\u7d9a\u304f 13.2.1 \u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u63cf\u753b \u30e6\u30fc\u30b6\u30fc\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u9762 (show.html.erb) \u3067\u305d\u306e\u30e6\u30fc\u30b6\u30fc\u306e \u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u8868\u793a\u3055\u305b\u305f\u308a\u3001\u3053\u308c\u307e\u3067\u306b\u6295\u7a3f\u3057\u305f\u7dcf\u6570\u3082\u8868\u793a\u3055\u305b\u305f\u308a\u3057\u3066\u3044\u304d\u307e\u3059\u3002 Mic […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[27,13],"tags":[],"class_list":["post-3073","post","type-post","status-publish","format-standard","hentry","category-programming-note","category-rails"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/3073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/comments?post=3073"}],"version-history":[{"count":8,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/3073\/revisions"}],"predecessor-version":[{"id":4587,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/3073\/revisions\/4587"}],"wp:attachment":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=3073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=3073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=3073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}