{"id":3089,"date":"2021-12-06T10:16:28","date_gmt":"2021-12-06T01:16:28","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=3089"},"modified":"2022-01-23T05:40:05","modified_gmt":"2022-01-22T20:40:05","slug":"rails-tutorial13-4","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2021\/12\/06\/rails-tutorial13-4\/","title":{"rendered":"Rails-tutorial(13.4\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u524a\u9664\u3059\u308b \u4e3b\u306b\u6f14\u7fd2)"},"content":{"rendered":"<p><a href=\"https:\/\/suzutukiblog.com\/index.php\/2021\/04\/25\/rails-tutorial13-3\/\">13.3\u304b\u3089\u7d9a\u304f<\/a><\/p>\n<h3>13.3.4 \u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u524a\u9664\u3059\u308b<\/h3>\n<p>\u6700\u5f8c\u306e\u6a5f\u80fd\u3068\u3057\u3066\u3001\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u30ea\u30bd\u30fc\u30b9\u306b\u30dd\u30b9\u30c8\u3092\u524a\u9664\u3059\u308b\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306f\u30e6\u30fc\u30b6\u30fc\u524a\u9664\u3068\u540c\u69d8\u306b&#8221;delete&#8221; \u30ea\u30f3\u30af\u3067\u5b9f\u73fe\u3057\u307e\u3059\u3002<br \/>\n\u30e6\u30fc\u30b6\u30fc\u306e\u524a\u9664\u306f\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u306e\u307f\u304c\u884c\u3048\u308b\u3088\u3046\u306b\u5236\u9650\u3055\u308c\u3066\u3044\u305f\u306e\u306b\u5bfe\u3057\u3001<br \/>\n\u4eca\u56de\u306f\u81ea\u5206\u304c\u6295\u7a3f\u3057\u305f\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u306e\u307f\u524a\u9664\u30ea\u30f3\u30af\u304c<br \/>\n\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u3057\u3066\u3001\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u30d1\u30fc\u30b7\u30e3\u30eb\u306b\u524a\u9664\u30ea\u30f3\u30af\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u4f5c\u6210\u3057\u305f\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u30d1\u30fc\u30b7\u30e3\u30eb\u306b\u524a\u9664\u30ea\u30f3\u30af\u3092\u8ffd\u52a0\u3059\u308b<br \/>\n<strong>app\/views\/microposts\/_micropost.html.erb<\/strong><\/p>\n<pre><strong>&lt;li id=\"micropost-&lt;%= micropost.id %&gt;\"&gt;<\/strong>\r\n<strong> &lt;%= link_to gravatar_for(micropost.user, size: 50), micropost.user %&gt;<\/strong>\r\n<strong> &lt;span class=\"user\"&gt;&lt;%= link_to micropost.user.name, micropost.user %&gt;&lt;\/span&gt;<\/strong>\r\n<strong> &lt;span class=\"content\"&gt;&lt;%= micropost.content %&gt;&lt;\/span&gt;<\/strong>\r\n<strong> &lt;span class=\"timestamp\"&gt;<\/strong>\r\n<strong>  Posted &lt;%= time_ago_in_words(micropost.created_at) %&gt; ago.<\/strong>\r\n<strong>   &lt;% if current_user?(micropost.user) %&gt;<\/strong>\r\n<strong>    &lt;%= link_to \"delete\", micropost, method: :delete,<\/strong>\r\n<strong>        data: { confirm: \"You sure?\" } %&gt;<\/strong>\r\n<strong>   &lt;% end %&gt;<\/strong>\r\n<strong> &lt;\/span&gt;<\/strong>\r\n<strong>&lt;\/li&gt;<\/strong><\/pre>\n<p>\u6b21\u306bMicroposts\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306edestroy\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u3082\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u304a\u3051\u308b\u5b9f\u88c5\u3068\u3060\u3044\u305f\u3044\u540c\u3058\u3067\u3059\u3002<br \/>\n\u5927\u304d\u306a\u9055\u3044\u306f\u3001admin_user\u30d5\u30a3\u30eb\u30bf\u30fc\u3067@user\u5909\u6570\u3092\u4f7f\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u95a2\u9023\u4ed8\u3051\u3092\u4f7f\u3063\u3066\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u898b\u3064\u3051\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u70b9\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u3042\u308b\u30e6\u30fc\u30b6\u30fc\u304c\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092<br \/>\n\u524a\u9664\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u81ea\u52d5\u7684\u306b\u5931\u6557\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u5177\u4f53\u7684\u306b\u306f\u3001correct_user\u30d5\u30a3\u30eb\u30bf\u30fc\u5185\u3067find\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u3001\u73fe\u5728\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u524a\u9664\u5bfe\u8c61\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u4fdd\u6709\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u4f5c\u6210\u3057\u305f\u30b3\u30fc\u30c9\u3092\u2193\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>Microposts\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306edestroy\u30a2\u30af\u30b7\u30e7\u30f3<br \/>\n<strong>app\/controllers\/microposts_controller.rb<\/strong><\/p>\n<pre><strong>before_action :correct_user, only: :destroy<\/strong>\r\n<strong> def destroy<\/strong>\r\n<strong>  @micropost.destroy<\/strong>\r\n<strong>  flash[:success] = \"Micropost deleted\"<\/strong>\r\n<strong>  redirect_to request.referrer || root_url<\/strong>\r\n<strong> end\r\n<\/strong><span class=\"kp\">\r\n<strong>private<\/strong><\/span>\r\n<strong>\r\n def correct_user<\/strong>\r\n<strong> @micropost = current_user.microposts.find_by(id: params[:id])<\/strong>\r\n<strong> redirect_to root_url if @micropost.nil?<\/strong>\r\n<strong> end<\/strong><\/pre>\n<p>destroy\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u4f7f\u3063\u3066\u3044\u308b\u70b9\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>request.referrer\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u306erequest.url\u5909\u6570<br \/>\n\u3068\u4f3c\u3066\u3044\u3066\u3001\u4e00\u3064\u524d\u306eURL\u3092\u8fd4\u3057\u307e\u3059(\u4eca\u56de\u306e\u5834\u5408\u3001Home\u30da\u30fc\u30b8\u306b\u306a\u308a\u307e\u3059)<\/p>\n<h3>\u6f14\u7fd2<\/h3>\n<h3>1:\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u5f8c\u4f5c\u6210\u3057\u305f\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092<br \/>\n\u524a\u9664\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002Rails\u30b5\u30fc\u30d0\u30fc\u306e\u30ed\u30b0\u3092\u898b\u3066\u307f\u3066\u3001<br \/>\nDELETE\u6587\u306e\u5185\u5bb9\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/h3>\n<pre><strong>DELETE FROM \"microposts\" WHERE \"microposts\".\"id\" = ? [[\"id\", 303]]<\/strong><\/pre>\n<h3>2:redirect_to request.referrer || root_url\u306e\u884c\u3092<br \/>\nredirect_back(fallback_location: root_url)\u3068\u7f6e\u304d\u63db\u3048\u3066\u3082<br \/>\n\u3046\u307e\u304f\u52d5\u304f\u3053\u3068\u3092\u3001\u30d6\u30e9\u30a6\u30b6\u3092\u4f7f\u3063\u3066\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046<br \/>\n(\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306fRails 5\u304b\u3089\u65b0\u305f\u306b\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f)\u3002<\/h3>\n<pre><strong>redirect_back(fallback_location: root_url)<\/strong><\/pre>\n<h3>13.3.5 \u30d5\u30a3\u30fc\u30c9\u753b\u9762\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u30c6\u30b9\u30c8\u3059\u308b<\/h3>\n<p>\u6b8b\u3063\u3066\u3044\u308b\u7b87\u6240\u306f\u3001Microposts\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u8a8d\u53ef\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u77ed\u3044\u30c6\u30b9\u30c8\u3068\u305d\u308c\u3089\u3092\u307e\u3068\u3081\u308b\u7d71\u5408\u30c6\u30b9\u30c8\u3092\u66f8\u304f\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u7528\u306efixture\u306b\u3001<br \/>\n\u5225\u3005\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u7d10\u4ed8\u3051\u3089\u308c\u305f\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304d\u307e\u3059<\/p>\n<p>\u5225\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u6240\u5c5e\u3057\u3066\u3044\u308b\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u8ffd\u52a0\u3059\u308b<br \/>\n<strong>test\/fixtures\/microposts.yml<\/strong><\/p>\n<pre><strong>ants:<\/strong>\r\n<strong>content: \"Oh, is that what you want? Because that's how you get ants!\"<\/strong>\r\n<strong>created_at: &lt;%= 2.years.ago %&gt;<\/strong>\r\n<strong>user: archer<\/strong>\r\n\r\n<strong>zone:<\/strong>\r\n<strong>content: \"Danger zone!\"<\/strong>\r\n<strong>created_at: &lt;%= 3.days.ago %&gt;<\/strong>\r\n<strong>user: archer<\/strong>\r\n\r\n<strong>tone:<\/strong>\r\n<strong>content: \"I'm sorry. Your words made sense, but your sarcastic tone did not.\"<\/strong>\r\n<strong>created_at: &lt;%= 10.minutes.ago %&gt;<\/strong>\r\n<strong>user: lana<\/strong>\r\n\r\n<strong>van:<\/strong>\r\n<strong>content: \"Dude, this van's, like, rolling probable cause.\"<\/strong>\r\n<strong>created_at: &lt;%= 4.hours.ago %&gt;<\/strong>\r\n<strong>user: lana<\/strong><\/pre>\n<p>\u6b21\u306b\u3001\u81ea\u5206\u4ee5\u5916\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306f\u524a\u9664\u3092\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u9069\u5207\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u308b\u3053\u3068\u3092\u30c6\u30b9\u30c8\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u9593\u9055\u3063\u305f\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308b\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u524a\u9664\u306b\u5bfe\u3057\u3066\u30c6\u30b9\u30c8\u3059\u308b green<br \/>\n<strong>test\/controllers\/microposts_controller_test.rb<\/strong><\/p>\n<pre><span class=\"nb\">require<\/span> <span class=\"s1\">'test_helper'<\/span>\r\n\r\n<span class=\"k\">class<\/span> <span class=\"nc\">MicropostsControllerTest<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">ActionDispatch<\/span><span class=\"o\">::<\/span><span class=\"no\">IntegrationTest<\/span><strong>\r\n\r\ntest \"should redirect destroy for wrong micropost\" do<\/strong>\r\n<strong> log_in_as(users(:michael))<\/strong>\r\n<strong> micropost = microposts(:ants)<\/strong>\r\n<strong> assert_no_difference 'Micropost.count' do<\/strong>\r\n<strong>  delete micropost_path(micropost)<\/strong>\r\n<strong> end<\/strong>\r\n<strong> assert_redirected_to root_url<\/strong>\r\n<strong>end<\/strong><\/pre>\n<p>\u6700\u5f8c\u306b\u3001\u7d71\u5408\u30c6\u30b9\u30c8\u3092\u66f8\u304d\u307e\u3059\u3002\u4eca\u56de\u306e\u7d71\u5408\u30c6\u30b9\u30c8\u3067\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u3001<br \/>\n\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u30da\u30fc\u30b8\u5206\u5272\u306e\u78ba\u8a8d\u3001\u7121\u52b9\u306a\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u6295\u7a3f\u3001<br \/>\n\u6709\u52b9\u306a\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u6295\u7a3f\u3001\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u524a\u9664\u3001<br \/>\n\u305d\u3057\u3066\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306b\u306f [delete] \u30ea\u30f3\u30af\u304c<br \/>\n\u8868\u793a\u3055\u308c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3001\u3068\u3044\u3063\u305f\u9806\u3067\u30c6\u30b9\u30c8\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n\u3044\u3064\u3082\u306e\u3088\u3046\u306b\u3001\u7d71\u5408\u30c6\u30b9\u30c8\u3092\u751f\u6210\u3059\u308b\u3068\u3053\u308d\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><strong>rails generate integration_test microposts_interface<\/strong><\/pre>\n<p>\u5148\u307b\u3069\u306e\u9806\u3067\u66f8\u3044\u305f\u7d71\u5408\u30c6\u30b9\u30c8\u306f\u3001\u2193\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u66f8\u3044\u305f\u30b3\u30fc\u30c9\u3068\u3001\u5148\u307b\u3069\u306e\u30b9\u30c6\u30c3\u30d7\u304c\u7d50\u5408\u3055\u308c\u3066\u3044\u308b\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306eUI\u306b\u5bfe\u3059\u308b\u7d71\u5408\u30c6\u30b9\u30c8 green<br \/>\n<strong>test\/integration\/microposts_interface_test.rb<\/strong><\/p>\n<pre><strong>require 'test_helper'<\/strong>\r\n\r\n<strong>class MicropostsInterfaceTest &lt; ActionDispatch::IntegrationTest<\/strong>\r\n\r\n<strong>def setup<\/strong>\r\n<strong>  @user = users(:michael)<\/strong>\r\n<strong>end<\/strong>\r\n\r\n<strong>test \"micropost interface\" do<\/strong>\r\n<strong> log_in_as(@user)<\/strong>\r\n<strong> get root_path<\/strong>\r\n<strong> assert_select 'div.pagination'<\/strong>\r\n<strong># \u7121\u52b9\u306a\u9001\u4fe1<\/strong>\r\n<strong> assert_no_difference 'Micropost.count' do<\/strong>\r\n<strong> post microposts_path, params: { micropost: { content: \"\" } }<\/strong>\r\n<strong>end<\/strong>\r\n<strong> assert_select 'div#error_explanation'<\/strong>\r\n<strong># \u6709\u52b9\u306a\u9001\u4fe1<\/strong>\r\n<strong> content = \"This micropost really ties the room together\"<\/strong>\r\n<strong> assert_difference 'Micropost.count', 1 do<\/strong>\r\n<strong> post microposts_path, params: { micropost: { content: content } }<\/strong>\r\n<strong>end<\/strong>\r\n<strong> assert_redirected_to root_url<\/strong>\r\n<strong> follow_redirect!<\/strong>\r\n<strong> assert_match content, response.body<\/strong>\r\n<strong># \u6295\u7a3f\u3092\u524a\u9664\u3059\u308b<\/strong>\r\n<strong> assert_select 'a', text: 'delete'<\/strong>\r\n<strong> first_micropost = @user.microposts.paginate(page: 1).first<\/strong>\r\n<strong> assert_difference 'Micropost.count', -1 do<\/strong>\r\n<strong> delete micropost_path(first_micropost)<\/strong>\r\n<strong>end<\/strong>\r\n<strong># \u9055\u3046\u30e6\u30fc\u30b6\u30fc\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u306b\u30a2\u30af\u30bb\u30b9 (\u524a\u9664\u30ea\u30f3\u30af\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d)<\/strong>\r\n<strong> get user_path(users(:archer))<\/strong>\r\n<strong>  assert_select 'a', text: 'delete', count: 0<\/strong>\r\n<strong> end<\/strong>\r\n<strong>end<\/strong>\r\n\r\n<\/pre>\n<h2>\u6f14\u7fd2<\/h2>\n<p>1:\uff14\u3064\u306e\u30b3\u30e1\u30f3\u30c8(\u7121\u52b9\u306a\u9001\u4fe1\u306a\u3069)\u306e\u305d\u308c\u305e\u308c\u306b\u5bfe\u3057\u3066\u3001<br \/>\n\u30c6\u30b9\u30c8\u304c\u6b63\u3057\u304f\u52d5\u3044\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\n\u5177\u4f53\u7684\u306b\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u306e\u30b3\u30fc\u30c9\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3001\u30c6\u30b9\u30c8\u304c red\u306b\u306a\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u5143\u306b\u623b\u3059\u3068green\u306b\u306a\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><strong>@micropost = @user.microposts.build(content: \"\")\u306b\u3059\u308b<\/strong>\r\n<strong>Expected false to be truthy.<\/strong>\r\n<strong>test\/models\/micropost_test.rb:11:in `block in &lt;class:MicropostTest&gt;'<\/strong>\r\n\r\n<strong>@micropost.destroy<\/strong>\r\n<strong>flash[:success] = \"Micropost deleted\"<\/strong>\r\n\r\n<strong>\"Micropost.count\" didn't change by -1.<\/strong>\r\n<strong>Expected: 38<\/strong>\r\n<strong>Actual: 39<\/strong>\r\n\r\n<strong>if\u306e\u90e8\u5206\u3092\u6d88\u3057\u3066\u8ab0\u3067\u3082\u898b\u308c\u308b\u3088\u3046\u306b\u3059\u308b<\/strong>\r\n\r\n<strong>Expected exactly 0 elements matching \"a\", found 2..<\/strong>\r\n<strong>Expected: 0<\/strong>\r\n<strong>Actual: 2<\/strong><\/pre>\n<p>2:\u30b5\u30a4\u30c9\u30d0\u30fc\u306b\u3042\u308b\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u5408\u8a08\u6295\u7a3f\u6570\u3092\u30c6\u30b9\u30c8\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u3068\u304d\u3001\u5358\u6570\u5f62 (micropost) \u3068\u8907\u6570\u5f62 (microposts) \u304c<br \/>\n\u6b63\u3057\u304f\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3082\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30b5\u30a4\u30c9\u30d0\u30fc\u3067\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u6295\u7a3f\u6570\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<br \/>\n<strong>test\/integration\/microposts_interface_test.rb<\/strong><\/p>\n<pre><strong>require 'test_helper'<\/strong>\r\n\r\n<strong>class MicropostInterfaceTest &lt; ActionDispatch::IntegrationTest<\/strong>\r\n\r\n<strong>def setup<\/strong>\r\n<strong>  @user = users(:michael)<\/strong>\r\n<strong>end<\/strong>\r\n<strong>.<\/strong>\r\n<strong>.<\/strong>\r\n<strong>.<\/strong>\r\n<strong>test \"micropost sidebar count\" do<\/strong>\r\n<strong> log_in_as(@user)<\/strong>\r\n<strong> get root_path<\/strong>\r\n<strong> assert_match \"#{FILL_IN} microposts\", response.body<\/strong>\r\n<strong># \u307e\u3060\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u6295\u7a3f\u3057\u3066\u3044\u306a\u3044\u30e6\u30fc\u30b6\u30fc<\/strong>\r\n<strong> other_user = users(:malory)<\/strong>\r\n<strong> log_in_as(other_user)<\/strong>\r\n<strong> get root_path<\/strong>\r\n<strong> assert_match \"0 microposts\", response.body<\/strong>\r\n<strong> other_user.microposts.create!(content: \"A micropost\")<\/strong>\r\n<strong> get root_path<\/strong>\r\n<strong> assert_match FILL_IN, response.body<\/strong>\r\n<strong> end<\/strong>\r\n<strong>end<\/strong><\/pre>\n<p><strong>@user.microposts.count<\/strong><br \/>\n<strong>&#8220;1 micropost&#8221;<\/strong><\/p>\n<h3>13.4 \u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u753b\u50cf\u6295\u7a3f<\/h3>\n<p>\u3053\u3053\u307e\u3067\u3067\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306b\u95a2\u3059\u308b\u57fa\u672c\u7684\u306a\u64cd\u4f5c\u306f\u3059\u3079\u3066\u5b9f\u88c5\u3067\u304d\u307e\u3057\u305f\u3002<br \/>\n\u3053\u306e\u7bc0\u3067\u306f\u3001\u5fdc\u7528\u7de8\u3068\u3057\u3066\u753b\u50cf\u4ed8\u304d\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u6295\u7a3f\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3059\u3002<br \/>\n\u624b\u9806\u3068\u3057\u3066\u306f\u3001\u307e\u305a\u306f\u958b\u767a\u74b0\u5883\u7528\u306e\u03b2\u7248\u3092\u5b9f\u88c5\u3057\u3001\u305d\u306e\u5f8c\u3001<br \/>\n\u3044\u304f\u3064\u304b\u306e\u6539\u5584\u3092\u3068\u304a\u3057\u3066\u672c\u756a\u74b0\u5883\u7528\u306e\u5b8c\u6210\u7248\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n<p>\u753b\u50cf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306b\u306f\u30012\u3064\u306e\u8996\u899a\u7684\u306a\u8981\u7d20\u304c\u5fc5\u8981\u3067\u3059\u30021\u3064\u306f\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306e\u30d5\u30a9\u30fc\u30e0\u3001\u3082\u30461\u3064\u306f\u6295\u7a3f\u3055\u308c\u305f\u753b\u50cf\u305d\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n<h3>13.4.1 \u57fa\u672c\u7684\u306a\u753b\u50cf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9<\/h3>\n<p>\u6295\u7a3f\u3057\u305f\u753b\u50cf\u3092\u6271\u3063\u305f\u308a\u3001\u305d\u306e\u753b\u50cf\u3092Micropost\u30e2\u30c7\u30eb\u3068\u95a2\u9023\u4ed8\u3051\u3059\u308b\u305f\u3081\u306b\u3001\u4eca\u56de\u306fCarrierWave\u3068\u3044\u3046\u753b\u50cf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c0\u30fc\u3092\u4f7f\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305a\u306fcarrierwave gem\u3092Gemfile\u306b\u8ffd\u52a0\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><strong>gem 'carrierwave', '1.2.2'<\/strong>\r\n<strong>gem 'mini_magick', '4.7.0'<\/strong>\r\n<strong>group :production do<\/strong>\r\n<strong>gem 'fog', '1.42'\r\nend<\/strong><\/pre>\n<pre><strong>bundle install<\/strong><\/pre>\n<p>CarrierWave\u3092\u5c0e\u5165\u3059\u308b\u3068\u3001<br \/>\nRails\u306e\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u3067\u753b\u50cf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c0\u30fc\u304c\u751f\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u65e9\u901f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><strong>rails generate uploader Picture<\/strong><\/pre>\n<p>(\u753b\u50cf\u306e\u3053\u3068\u3092image\u3068\u3059\u308b\u3068\u4e00\u822c\u7684\u904e\u304e\u308b\u306e\u3067\u3001<br \/>\n\u4eca\u56de\u306fpicture\u3068\u547c\u3076\u3053\u3068\u306b\u3057\u307e\u3059)<\/p>\n<p>picture\u5c5e\u6027\u3092Micropost\u30e2\u30c7\u30eb\u306b\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306b\u3001\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3057\u3001\u958b\u767a\u74b0\u5883\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre><strong>rails generate migration add_picture_to_microposts picture:string<\/strong>\r\n<strong>rails db:migrate<\/strong><\/pre>\n<p>CarrierWave\u306b\u753b\u50cf\u3068\u95a2\u9023\u4ed8\u3051\u305f\u30e2\u30c7\u30eb\u3092\u4f1d\u3048\u308b\u305f\u3081\u306b\u306f\u3001<br \/>\n<strong>mount_uploader<\/strong>\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001<br \/>\n\u5f15\u6570\u306b\u5c5e\u6027\u540d\u306e\u30b7\u30f3\u30dc\u30eb\u3068\u751f\u6210\u3055\u308c\u305f\u30a2\u30c3\u30d7\u30ed\u30fc\u30c0\u30fc\u306e\u30af\u30e9\u30b9\u540d\u3092\u53d6\u308a\u307e\u3059\u3002<\/p>\n<pre><strong>mount_uploader :picture, PictureUploader<\/strong><\/pre>\n<p>(picture_uploader.rb\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u3067PictureUploader\u30af\u30e9\u30b9\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5f8c\u3067\u4fee\u6b63\u3057\u307e\u3059\u304c\u3001\u4eca\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u307e\u307e\u3067\u5927\u4e08\u592b\u3067\u3059\u3002)<br \/>\nMicropost\u30e2\u30c7\u30eb\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c0\u30fc\u3092\u8ffd\u52a0\u3057\u305f\u7d50\u679c\u3092\u2193\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>Micropost\u30e2\u30c7\u30eb\u306b\u753b\u50cf\u3092\u8ffd\u52a0\u3059\u308b<br \/>\n<strong>app\/models\/micropost.rb<\/strong><\/p>\n<pre><strong>class Micropost &lt; ApplicationRecord<\/strong>\r\n<strong>  belongs_to :user<\/strong>\r\n<strong>  default_scope -&gt; { order(created_at: :desc) }<\/strong>\r\n<strong>  mount_uploader :picture, PictureUploader<\/strong>\r\n<strong>  validates :user_id, presence: true<\/strong>\r\n<strong>  validates :content, presence: true, length: { maximum: 140 }<\/strong>\r\n<strong>end<\/strong><\/pre>\n<p>Home\u30da\u30fc\u30b8\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c0\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306b\u306f\u3001<br \/>\n\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u30d5\u30a9\u30fc\u30e0\u306b<strong>file_field<\/strong>\u30bf\u30b0\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p>\n<p>\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u6295\u7a3f\u30d5\u30a9\u30fc\u30e0\u306b\u753b\u50cf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c0\u30fc\u3092\u8ffd\u52a0\u3059\u308b<br \/>\n<strong>app\/views\/shared\/_micropost_form.html.erb<\/strong><\/p>\n<pre><strong><span class=\"cp\">&lt;%=<\/span> <span class=\"n\">form_for<\/span><span class=\"p\">(<\/span><span class=\"vi\">@micropost<\/span><span class=\"p\">)<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">f<\/span><span class=\"o\">|<\/span> <span class=\"cp\">%&gt;<\/span>\r\n  <span class=\"cp\">&lt;%=<\/span> <span class=\"n\">render<\/span> <span class=\"s1\">'shared\/error_messages'<\/span><span class=\"p\">,<\/span> <span class=\"ss\">object<\/span><span class=\"p\">:<\/span> <span class=\"n\">f<\/span><span class=\"o\">.<\/span><span class=\"n\">object<\/span> <span class=\"cp\">%&gt;<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span> <span class=\"na\">class<\/span><span class=\"o\">=<\/span><span class=\"s\">\"field\"<\/span><span class=\"p\">&gt;<\/span>\r\n    <span class=\"cp\">&lt;%=<\/span> <span class=\"n\">f<\/span><span class=\"o\">.<\/span><span class=\"n\">text_area<\/span> <span class=\"ss\">:content<\/span><span class=\"p\">,<\/span> <span class=\"ss\">placeholder<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Compose new micropost...\"<\/span> <span class=\"cp\">%&gt;<\/span>\r\n  <span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\r\n  <span class=\"cp\">&lt;%=<\/span> <span class=\"n\">f<\/span><span class=\"o\">.<\/span><span class=\"n\">submit<\/span> <span class=\"s2\">\"Post\"<\/span><span class=\"p\">,<\/span> <span class=\"ss\">class<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"btn btn-primary\"<\/span> <span class=\"cp\">%&gt;<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nt\">span<\/span> <span class=\"na\">class<\/span><span class=\"o\">=<\/span><span class=\"s\">\"picture\"<\/span><span class=\"p\">&gt;<\/span>\r\n<span class=\"hll\">    <span class=\"cp\">&lt;%=<\/span> <span class=\"n\">f<\/span><span class=\"o\">.<\/span><span class=\"n\">file_field<\/span> <span class=\"ss\">:picture<\/span> <span class=\"cp\">%&gt;<\/span>\r\n<\/span>  <span class=\"p\">&lt;\/<\/span><span class=\"nt\">span<\/span><span class=\"p\">&gt;<\/span>\r\n<span class=\"cp\">&lt;%<\/span> <span class=\"k\">end<\/span> <span class=\"cp\">%&gt;<\/span><\/strong><\/pre>\n<p>Web\u304b\u3089\u66f4\u65b0\u3067\u304d\u308b\u8a31\u53ef\u30ea\u30b9\u30c8\u306bpicture\u5c5e\u6027\u3092\u8ffd\u52a0\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u8ffd\u52a0\u3059\u308b\u3068\u3001micropost_params\u30e1\u30bd\u30c3\u30c9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>picture\u3092\u8a31\u53ef\u3055\u308c\u305f\u5c5e\u6027\u306e\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u3059\u308b<br \/>\n<strong>app\/controllers\/microposts_controller.rb<\/strong><\/p>\n<pre><strong><span class=\"k\">class<\/span> <span class=\"nc\">MicropostsController<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">ApplicationController<\/span>\r\n  <span class=\"n\">before_action<\/span> <span class=\"ss\">:logged_in_user<\/span><span class=\"p\">,<\/span> <span class=\"ss\">only<\/span><span class=\"p\">:<\/span> <span class=\"o\">[<\/span><span class=\"ss\">:create<\/span><span class=\"p\">,<\/span> <span class=\"ss\">:destroy<\/span><span class=\"o\">]<\/span>\r\n  <span class=\"n\">before_action<\/span> <span class=\"ss\">:correct_user<\/span><span class=\"p\">,<\/span>   <span class=\"ss\">only<\/span><span class=\"p\">:<\/span> <span class=\"ss\">:destroy<\/span>\r\n  <span class=\"o\">.<\/span>\r\n  <span class=\"o\">.<\/span>\r\n  <span class=\"o\">.<\/span>\r\n  <span class=\"kp\">private<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">micropost_params<\/span>\r\n<span class=\"hll\">      <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">require<\/span><span class=\"p\">(<\/span><span class=\"ss\">:micropost<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span><span class=\"n\">permit<\/span><span class=\"p\">(<\/span><span class=\"ss\">:content<\/span><span class=\"p\">,<\/span> <span class=\"ss\">:picture<\/span><span class=\"p\">)<\/span>\r\n<\/span>    <span class=\"k\">end<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">correct_user<\/span>\r\n      <span class=\"vi\">@micropost<\/span> <span class=\"o\">=<\/span> <span class=\"n\">current_user<\/span><span class=\"o\">.<\/span><span class=\"n\">microposts<\/span><span class=\"o\">.<\/span><span class=\"n\">find_by<\/span><span class=\"p\">(<\/span><span class=\"nb\">id<\/span><span class=\"p\">:<\/span> <span class=\"n\">params<\/span><span class=\"o\">[<\/span><span class=\"ss\">:id<\/span><span class=\"o\">]<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"n\">redirect_to<\/span> <span class=\"n\">root_url<\/span> <span class=\"k\">if<\/span> <span class=\"vi\">@micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">nil?<\/span>\r\n    <span class=\"k\">end<\/span>\r\n<span class=\"k\">end<\/span><\/strong><\/pre>\n<p>\u4e00\u5ea6\u753b\u50cf\u304c\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u308c\u3070\u3001Micropost\u30d1\u30fc\u30b7\u30e3\u30eb\u306eimage_tag\u30d8\u30eb\u30d1\u30fc\u3067\u305d\u306e\u753b\u50cf\u3092\u63cf\u753b\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u753b\u50cf\u306e\u7121\u3044 (\u30c6\u30ad\u30b9\u30c8\u306e\u307f\u306e) \u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3067\u306f\u753b\u50cf\u3092\u8868\u793a\u3055\u305b\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u3001picture?\u3068\u3044\u3046\u8ad6\u7406\u5024\u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308b\u70b9\u306b<br \/>\n\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u753b\u50cf\u7528\u306e\u5c5e\u6027\u540d\u306b\u5fdc\u3058\u3066\u3001<br \/>\nCarrierWave\u304c\u81ea\u52d5\u7684\u306b\u751f\u6210\u3057\u3066\u304f\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n<p>\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306e\u753b\u50cf\u8868\u793a\u3092\u8ffd\u52a0\u3059\u308b<br \/>\n<strong>app\/views\/microposts\/_micropost.html.erb<\/strong><\/p>\n<pre><strong><span class=\"p\">&lt;<\/span><span class=\"nt\">li<\/span> <span class=\"na\">id<\/span><span class=\"o\">=<\/span><span class=\"s\">\"micropost-<\/span><span class=\"cp\">&lt;%=<\/span> <span class=\"n\">micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">id<\/span> <span class=\"cp\">%&gt;<\/span><span class=\"s\">\"<\/span><span class=\"p\">&gt;<\/span>\r\n  <span class=\"cp\">&lt;%=<\/span> <span class=\"n\">link_to<\/span> <span class=\"n\">gravatar_for<\/span><span class=\"p\">(<\/span><span class=\"n\">micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">user<\/span><span class=\"p\">,<\/span> <span class=\"ss\">size<\/span><span class=\"p\">:<\/span> <span class=\"mi\">50<\/span><span class=\"p\">),<\/span> <span class=\"n\">micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">user<\/span> <span class=\"cp\">%&gt;<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nt\">span<\/span> <span class=\"na\">class<\/span><span class=\"o\">=<\/span><span class=\"s\">\"user\"<\/span><span class=\"p\">&gt;<\/span><span class=\"cp\">&lt;%=<\/span> <span class=\"n\">link_to<\/span> <span class=\"n\">micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">user<\/span><span class=\"o\">.<\/span><span class=\"n\">name<\/span><span class=\"p\">,<\/span> <span class=\"n\">micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">user<\/span> <span class=\"cp\">%&gt;<\/span><span class=\"p\">&lt;\/<\/span><span class=\"nt\">span<\/span><span class=\"p\">&gt;<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nt\">span<\/span> <span class=\"na\">class<\/span><span class=\"o\">=<\/span><span class=\"s\">\"content\"<\/span><span class=\"p\">&gt;<\/span>\r\n    <span class=\"cp\">&lt;%=<\/span> <span class=\"n\">micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">content<\/span> <span class=\"cp\">%&gt;<\/span>\r\n<span class=\"hll\">    <span class=\"cp\">&lt;%=<\/span> <span class=\"n\">image_tag<\/span> <span class=\"n\">micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">picture<\/span><span class=\"o\">.<\/span><span class=\"n\">url<\/span> <span class=\"k\">if<\/span> <span class=\"n\">micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">picture?<\/span> <span class=\"cp\">%&gt;<\/span>\r\n<\/span>  <span class=\"p\">&lt;\/<\/span><span class=\"nt\">span<\/span><span class=\"p\">&gt;<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nt\">span<\/span> <span class=\"na\">class<\/span><span class=\"o\">=<\/span><span class=\"s\">\"timestamp\"<\/span><span class=\"p\">&gt;<\/span>\r\n    Posted <span class=\"cp\">&lt;%=<\/span> <span class=\"n\">time_ago_in_words<\/span><span class=\"p\">(<\/span><span class=\"n\">micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">created_at<\/span><span class=\"p\">)<\/span> <span class=\"cp\">%&gt;<\/span> ago.\r\n    <span class=\"cp\">&lt;%<\/span> <span class=\"k\">if<\/span> <span class=\"n\">current_user?<\/span><span class=\"p\">(<\/span><span class=\"n\">micropost<\/span><span class=\"o\">.<\/span><span class=\"n\">user<\/span><span class=\"p\">)<\/span> <span class=\"cp\">%&gt;<\/span>\r\n      <span class=\"cp\">&lt;%=<\/span> <span class=\"n\">link_to<\/span> <span class=\"s2\">\"delete\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">micropost<\/span><span class=\"p\">,<\/span> <span class=\"nb\">method<\/span><span class=\"p\">:<\/span> <span class=\"ss\">:delete<\/span><span class=\"p\">,<\/span>\r\n                                       <span class=\"ss\">data<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"ss\">confirm<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"You sure?\"<\/span> <span class=\"p\">}<\/span> <span class=\"cp\">%&gt;<\/span>\r\n    <span class=\"cp\">&lt;%<\/span> <span class=\"k\">end<\/span> <span class=\"cp\">%&gt;<\/span>\r\n  <span class=\"p\">&lt;\/<\/span><span class=\"nt\">span<\/span><span class=\"p\">&gt;<\/span>\r\n<span class=\"p\">&lt;\/<\/span><span class=\"nt\">li<\/span><span class=\"p\">&gt;<\/span><\/strong><\/pre>\n<h3>\u6f14\u7fd2<\/h3>\n<p>1:\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u53c2\u8003\u306b\u3001\u753b\u50cf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c0\u30fc\u3092\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u30c6\u30b9\u30c8\u306e\u6e96\u5099\u3068\u3057\u3066\u3001\u307e\u305a\u306f\u30b5\u30f3\u30d7\u30eb\u753b\u50cf\u3092fixture\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b<br \/>\n\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044(cp app\/assets\/images\/rails.png test\/fixtures\/)\u3002<\/p>\n<p>\u8ffd\u52a0\u3057\u305f\u30c6\u30b9\u30c8\u3067\u306f\u3001Home\u30da\u30fc\u30b8\u306b\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3068\u3001<br \/>\n\u6295\u7a3f\u306b\u6210\u529f\u3057\u305f\u6642\u306b\u753b\u50cf\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u306a\u304a\u3001\u30c6\u30b9\u30c8\u5185\u306b\u3042\u308bfixture_file_upload\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u306f\u3001<br \/>\nfixture\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u7279\u5225\u306a\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<br \/>\n\u30d2\u30f3\u30c8: picture\u5c5e\u6027\u304c\u6709\u52b9\u304b\u3069\u3046\u304b\u3092\u78ba\u304b\u3081\u308b\u3068\u304d\u306f\u3001assigns\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3068\u3001<br \/>\n\u6295\u7a3f\u306b\u6210\u529f\u3057\u305f\u5f8c\u306bcreate\u30a2\u30af\u30b7\u30e7\u30f3\u5185\u306e\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u753b\u50cf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<strong><code class=\"filepath\">test\/integration\/microposts_interface_test.rb<\/code><\/strong><\/p>\n<pre><strong><span class=\"nb\">require<\/span> <span class=\"s1\">'test_helper'<\/span>\r\n\r\n<span class=\"k\">class<\/span> <span class=\"nc\">MicropostInterfaceTest<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">ActionDispatch<\/span><span class=\"o\">::<\/span><span class=\"no\">IntegrationTest<\/span>\r\n\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">setup<\/span>\r\n    <span class=\"vi\">@user<\/span> <span class=\"o\">=<\/span> <span class=\"n\">users<\/span><span class=\"p\">(<\/span><span class=\"ss\">:michael<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">end<\/span>\r\n\r\n  <span class=\"nb\">test<\/span> <span class=\"s2\">\"micropost interface\"<\/span> <span class=\"k\">do<\/span>\r\n    <span class=\"n\">log_in_as<\/span><span class=\"p\">(<\/span><span class=\"vi\">@user<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">get<\/span> <span class=\"n\">root_path<\/span>\r\n    <span class=\"n\">assert_select<\/span> <span class=\"s1\">'div.pagination'<\/span>\r\n<span class=\"hll\">    <span class=\"n\">assert_select<\/span> <span class=\"s1\">'input[type=FILL_IN]'<\/span>\r\n<\/span>    <span class=\"c1\"># \u7121\u52b9\u306a\u9001\u4fe1<\/span>\r\n    <span class=\"n\">post<\/span> <span class=\"n\">microposts_path<\/span><span class=\"p\">,<\/span> <span class=\"ss\">params<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"ss\">micropost<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"ss\">content<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"\"<\/span> <span class=\"p\">}<\/span> <span class=\"p\">}<\/span>\r\n    <span class=\"n\">assert_select<\/span> <span class=\"s1\">'div#error_explanation'<\/span>\r\n    <span class=\"c1\"># \u6709\u52b9\u306a\u9001\u4fe1<\/span>\r\n    <span class=\"n\">content<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"This micropost really ties the room together\"<\/span>\r\n<span class=\"hll\">    <span class=\"n\">picture<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fixture_file_upload<\/span><span class=\"p\">(<\/span><span class=\"s1\">'test\/fixtures\/rails.png'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'image\/png'<\/span><span class=\"p\">)<\/span>\r\n<\/span>    <span class=\"n\">assert_difference<\/span> <span class=\"s1\">'Micropost.count'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span> <span class=\"k\">do<\/span>\r\n<span class=\"hll\">      <span class=\"n\">post<\/span> <span class=\"n\">microposts_path<\/span><span class=\"p\">,<\/span> <span class=\"ss\">params<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"ss\">micropost<\/span><span class=\"p\">:<\/span>\r\n<\/span>                                      <span class=\"p\">{<\/span> <span class=\"ss\">content<\/span><span class=\"p\">:<\/span> <span class=\"n\">content<\/span><span class=\"p\">,<\/span>\r\n<span class=\"hll\">                                        <span class=\"ss\">picture<\/span><span class=\"p\">:<\/span> <span class=\"no\">FILL_IN<\/span> <span class=\"p\">}<\/span> <span class=\"p\">}<\/span>\r\n<\/span>    <span class=\"k\">end<\/span>\r\n    <span class=\"n\">assert<\/span> <span class=\"no\">FILL_IN<\/span><span class=\"o\">.<\/span><span class=\"n\">picture?<\/span>\r\n    <span class=\"n\">follow_redirect!<\/span>\r\n    <span class=\"n\">assert_match<\/span> <span class=\"n\">content<\/span><span class=\"p\">,<\/span> <span class=\"n\">response<\/span><span class=\"o\">.<\/span><span class=\"n\">body<\/span>\r\n    <span class=\"c1\"># \u6295\u7a3f\u3092\u524a\u9664\u3059\u308b<\/span>\r\n    <span class=\"n\">assert_select<\/span> <span class=\"s1\">'a'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'delete'<\/span>\r\n    <span class=\"n\">first_micropost<\/span> <span class=\"o\">=<\/span> <span class=\"vi\">@user<\/span><span class=\"o\">.<\/span><span class=\"n\">microposts<\/span><span class=\"o\">.<\/span><span class=\"n\">paginate<\/span><span class=\"p\">(<\/span><span class=\"ss\">page<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span><span class=\"n\">first<\/span>\r\n    <span class=\"n\">assert_difference<\/span> <span class=\"s1\">'Micropost.count'<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span> <span class=\"k\">do<\/span>\r\n      <span class=\"n\">delete<\/span> <span class=\"n\">micropost_path<\/span><span class=\"p\">(<\/span><span class=\"n\">first_micropost<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">end<\/span>\r\n    <span class=\"c1\"># \u9055\u3046\u30e6\u30fc\u30b6\u30fc\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b<\/span>\r\n    <span class=\"n\">get<\/span> <span class=\"n\">user_path<\/span><span class=\"p\">(<\/span><span class=\"n\">users<\/span><span class=\"p\">(<\/span><span class=\"ss\">:archer<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"n\">assert_select<\/span> <span class=\"s1\">'a'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"ss\">text<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'delete'<\/span><span class=\"p\">,<\/span> <span class=\"ss\">count<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span> <span class=\"p\">}<\/span>\r\n  <span class=\"k\">end<\/span>\r\n  <span class=\"o\">.<\/span>\r\n  <span class=\"o\">.<\/span>\r\n  <span class=\"o\">.<\/span>\r\n<span class=\"k\">end<\/span><\/strong><\/pre>\n<p>\u7b54\u3048:\u2191FILL_IN\u3092\u2193\u306b\u3059\u308b\u3002<\/p>\n<pre><strong>file,picture,<\/strong>\r\n\r\n<strong>assigns(:micropost)<\/strong><\/pre>\n<p><a href=\"https:\/\/suzutukiblog.com\/index.php\/2021\/12\/07\/rails-tutorial13-5\/\">13.5\u306b\u7d9a\u304f<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>13.3\u304b\u3089\u7d9a\u304f 13.3.4 \u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u3092\u524a\u9664\u3059\u308b \u6700\u5f8c\u306e\u6a5f\u80fd\u3068\u3057\u3066\u3001\u30de\u30a4\u30af\u30ed\u30dd\u30b9\u30c8\u30ea\u30bd\u30fc\u30b9\u306b\u30dd\u30b9\u30c8\u3092\u524a\u9664\u3059\u308b\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002 \u3053\u308c\u306f\u30e6\u30fc\u30b6\u30fc\u524a\u9664\u3068\u540c\u69d8\u306b&#8221;delete&#8221; \u30ea\u30f3\u30af\u3067\u5b9f\u73fe\u3057\u307e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2764,"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-3089","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming-note","category-rails"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/3089","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=3089"}],"version-history":[{"count":11,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/3089\/revisions"}],"predecessor-version":[{"id":4582,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/3089\/revisions\/4582"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media\/2764"}],"wp:attachment":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=3089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=3089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=3089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}