GWT和Mock在MVP模式

我不知道如果這個問題已經問，但我找不到它的看法......我在尋找一種方式來嘲笑我的觀點，爲了測試我的演講？我嘗試使用mockito作爲視圖，並將其設置在演示者中，但是在演示者結果中，當我調用presenter.getDisplay（）（視圖的getter）時，我的所有控件都爲null？因爲我相信這是正常的mockito不會嘲笑小部件。GWT和Mock在MVP模式

我敢100％肯定，我錯了東西，但我不能找到它。

感謝您的近代啓蒙:)

來源

2010-06-07 Yannick Eurin

最好爲一個非常簡單的測試用例發佈一些代碼。 – tgdavies 2010-06-07 05:10:17

你好，我們終於找到了一種方法來測試演示者。我們總結在一個類中的每個部件，以及使用接口，如： '公共類TextAreaWrapper擴展WidgetWrapper 實現IsTextArea 公共接口IsTextArea擴展IsWidget <TextArea>' 那麼我們可以嘲笑IstextArea用的Mockito很容易 – <span class="text-secondary"> <small> <span>2011-06-07 11:27:33</span> </small> </span> </p> </div> </div> </div> </div> </div> </article> </div> <div class="answer-title"> <span class="text-logo margin-top-sm">A</span> <h2 class="title h4">回答</h2> </div> <div class="item-description text-md markdown-body margin-bottom-40 voidso"> <article class="board-top-1 padding-top-10"> <div class="post-col vote-info"> <span class="count">0<i class="fa fa-thumbs-up"></i></span> <i class="fa fa-check fa-2x"></i> </div> <div class="post-offset"> <div class="answer fmt"> <p>，你需要確保你告訴時的Mockito你打電話getDislay返回嘲笑視圖（）。</p> <p>STH等時（presenter.getDisplay（））thenReturn（mockView）。</p> </div> <div class="post-info"> <div class="post-meta row"> <p class="text-secondary col-lg-6"> <span class="source"> <a rel="noopener" target="_blank" href="https://stackoverflow.com/q/2987193">來源</a> </span> </p> <p class="text-secondary col-lg-6"> <span class="float-right date"> <span>2010-06-07 05:11:53</span> <a rel="noopener" target="_blank" href="https://stackoverflow.com/users/181150/">markovuksanovic</a></span> </p> <p class="col-12"></p> <p class="col-12"></p></div> </div>  <div class="comments"> <div itemprop="comment" class="post-comment"> <div class="row"> <div class="col-lg-1"><span class="text-secondary">+0</span></div> <div class="col-lg-11"> <p class="commenttext">的確，但是我應該將每個小部件一個一個地嘲笑到視圖中嗎？模擬每個部件嘲笑視圖並告訴mockito返回部件時詢問？ – <span class="text-secondary"> <small> <span>2010-06-07 05:25:16</span> </small> </span> </p> </div> </div> </div> <div itemprop="comment" class="post-comment"> <div class="row"> <div class="col-lg-1"><span class="text-secondary">+0</span></div> <div class="col-lg-11"> <p class="commenttext">你的觀點不應該返回小部件 - 它應該有它做一些小部件的方法（例如顯示/隱藏，設置在標籤的字符串，得到一個輸入一個字符串），但你的演示應該*不*知道當您使用mock（yourClass.class）時，顯示包含小部件 – <span class="text-secondary"> <small> <a rel="noopener" target="_blank" href="https://stackoverflow.com/users/11002/">tgdavies</a></span> <span>2010-06-07 07:07:47</span> </small> </span> </p> </div> </div> </div> <div itemprop="comment" class="post-comment"> <div class="row"> <div class="col-lg-1"><span class="text-secondary">+0</span></div> <div class="col-lg-11"> <p class="commenttext">，您將獲得對不知道任何事物的對象的引用。您需要告訴mockito在調用每種方法後您期望發生的事情。 – <span class="text-secondary"> <small> <a rel="noopener" target="_blank" href="https://stackoverflow.com/users/181150/">markovuksanovic</a></span> <span>2010-06-07 07:58:16</span> </small> </span> </p> </div> </div> </div> </div> </div> </article> <div> <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-6208739752673518" data-ad-slot="1038284119" data-ad-format="auto" data-full-width-responsive="true"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div> <article class="board-top-1 padding-top-10"> <div class="post-col vote-info"> <span class="count">2<i class="fa fa-thumbs-up"></i></span> </div> <div class="post-offset"> <div class="answer fmt"> <p>這裏是一個非常簡單的工作示例：</p> <pre><code class="prettyprint-override">import junit.framework.TestCase; import org.mockito.Mockito; public class SimpleGwtTest extends TestCase { private static class UpperCasePresenter { private final Display display; public interface Display { void setString(String s); } private UpperCasePresenter(String s, Display display) { this.display = display; display.setString(s.toUpperCase()); } } public void testPresenter() { UpperCasePresenter.Display d = Mockito.mock(UpperCasePresenter.Display.class); new UpperCasePresenter("foo", d); Mockito.verify(d).setString("FOO"); } } </code></pre> <p>當然通常你演示不會是你的測試用例中。</p> </div> <div class="post-info"> <div class="post-meta row"> <p class="text-secondary col-lg-6"> <span class="source"> <a rel="noopener" target="_blank" href="https://stackoverflow.com/q/2987881">來源</a> </span> </p> <p class="text-secondary col-lg-6"> <span class="float-right date"> <span>2010-06-07 08:01:51</span> <a rel="noopener" target="_blank" href="https://stackoverflow.com/users/11002/">tgdavies</a></span> </p> <p class="col-12"></p> <p class="col-12"></p></div> </div> </div> </article> <article class="board-top-1 padding-top-10"> <div class="post-col vote-info"> <span class="count">2<i class="fa fa-thumbs-up"></i></span> </div> <div class="post-offset"> <div class="answer fmt"> <p>MVP Presenter依賴於View類（<code class="prettyprint-override">Display</code>）通過gwt接口，如<code class="prettyprint-override">HasValue</code>,<code class="prettyprint-override">HasHTML</code>,<code class="prettyprint-override">HasClickHandlers</code>等，並可能根據需要添加新接口。 Presenter類應直接使用這些接口而不是Widget類。因此Mocking View界面相當簡單，應該跨測試方法共享（使用<code class="prettyprint-override">setUp</code>或<code class="prettyprint-override">@Before</code>）。這也應該包括嘲笑GWT基礎設施，如<code class="prettyprint-override">EventBus</code>等。</p> <p>對於帶EasyMock示例的好博客（簡單但不直接轉換爲mockito），請參見<a href="http://blog.hivedevelopment.co.uk/2009_10_07_archive.html" rel="nofollow noreferrer">here</a>。</p> </div> <div class="post-info"> <div class="post-meta row"> <p class="text-secondary col-lg-6"> <span class="source"> <a rel="noopener" target="_blank" href="https://stackoverflow.com/q/3243325">來源</a> </span> </p> <p class="text-secondary col-lg-6"> <span class="float-right date"> <span>2010-07-14 04:03:42</span> <a rel="noopener" target="_blank" href="https://stackoverflow.com/users/59470/">topchef</a></span> </p> <p class="col-12"></p> <p class="col-12"></p></div> </div> </div> </article> </div> <div class="clearfix"> </div> <div class="relative-box"> <div class="relative">相關問題</div> <ul class="relative_list"> <li> 1. <a href="http://hk.uwenku.com/question/p-owzexogs-ms.html" target="_blank" title="GWT小部件庫和MVP模式"> 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