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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # 12.5 練習 電子書中有練習的答案,如果想閱讀參考答案,請[購買電子書](http://railstutorial-china.org/#purchase)。 避免練習和正文沖突的方法參見[第 3 章練習](chapter3.html#mostly-static-pages-exercises)中的說明。 1. 編寫測試,檢查首頁和資料頁面顯示的數量統計。提示:寫入[代碼清單 11.27](chapter11.html#listing-user-profile-test) 的測試文件中。(想一下為什么沒單獨測試首頁顯示的數量統計。) 2. 編寫測試,檢查首頁正確顯示了動態流的第一頁。模板參見[代碼清單 12.49](#listing-home-feed-test)。注意,我們使用 `CGI.escapeHTML` 轉義了 HTML,想一下為什么要這么做。(把轉義的代碼去掉,仔細查看不匹配的微博內容源碼。) ##### 代碼清單 12.49:測試動態流的 HTML GREEN test/integration/following_test.rb ``` require 'test_helper' class FollowingTest < ActionDispatch::IntegrationTest def setup @user = users(:michael) log_in_as(@user) end . . . test "feed on Home page" do get root_path @user.feed.paginate(page: 1).each do |micropost| assert_match CGI.escapeHTML(FILL_IN), FILL_IN end end end ```
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