<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>E2e on Tarragon</title><link>https://tarrragon.github.io/blog/tags/e2e/</link><description>Recent content in E2e on Tarragon</description><generator>Hugo -- gohugo.io</generator><language>zh-TW</language><copyright>Tarragon (CC BY 4.0)</copyright><lastBuildDate>Fri, 19 Jun 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://tarrragon.github.io/blog/tags/e2e/index.xml" rel="self" type="application/rss+xml"/><item><title>Playwright 瀏覽器驗證流程</title><link>https://tarrragon.github.io/blog/testing/04-ui-automation/playwright-verification/</link><pubDate>Fri, 19 Jun 2026 00:00:00 +0000</pubDate><guid>https://tarrragon.github.io/blog/testing/04-ui-automation/playwright-verification/</guid><description>&lt;p>Playwright 是瀏覽器自動化工具，在真實瀏覽器中執行 UI 操作並驗證結果。和 Flutter 的 widget test 不同，Playwright 操作的是瀏覽器中的 DOM 元素，驗證的是使用者在瀏覽器中實際看到的畫面。&lt;/p>
&lt;h2 id="playwright-和-widget-test-的互補">Playwright 和 widget test 的互補&lt;/h2>
&lt;p>Widget test 在 Flutter test framework 中執行，不需要瀏覽器，驗證的是 widget tree 的結構和狀態。Playwright 在真實瀏覽器中執行，驗證的是渲染後的 DOM 和視覺呈現。&lt;/p>
&lt;table>
 &lt;thead>
 &lt;tr>
 &lt;th>維度&lt;/th>
 &lt;th>Widget test&lt;/th>
 &lt;th>Playwright&lt;/th>
 &lt;/tr>
 &lt;/thead>
 &lt;tbody>
 &lt;tr>
 &lt;td>執行環境&lt;/td>
 &lt;td>Flutter test framework&lt;/td>
 &lt;td>真實瀏覽器（Chromium 等）&lt;/td>
 &lt;/tr>
 &lt;tr>
 &lt;td>驗證對象&lt;/td>
 &lt;td>Widget tree 結構&lt;/td>
 &lt;td>DOM 元素和視覺呈現&lt;/td>
 &lt;/tr>
 &lt;tr>
 &lt;td>速度&lt;/td>
 &lt;td>毫秒級&lt;/td>
 &lt;td>秒級&lt;/td>
 &lt;/tr>
 &lt;tr>
 &lt;td>穩定性&lt;/td>
 &lt;td>高（無瀏覽器差異）&lt;/td>
 &lt;td>中（瀏覽器行為差異）&lt;/td>
 &lt;/tr>
 &lt;tr>
 &lt;td>適用場景&lt;/td>
 &lt;td>邏輯驗證、狀態覆蓋&lt;/td>
 &lt;td>視覺驗證、跨瀏覽器相容&lt;/td>
 &lt;/tr>
 &lt;tr>
 &lt;td>CSS 驗證&lt;/td>
 &lt;td>無法驗證 CSS 渲染&lt;/td>
 &lt;td>可以驗證 CSS 效果&lt;/td>
 &lt;/tr>
 &lt;/tbody>
&lt;/table>
&lt;p>兩者的分工：widget test 驗證「邏輯上正確」（該有的元素存在、該觸發的事件發生），Playwright 驗證「視覺上正確」（元素在正確的位置、顏色和大小符合設計）。&lt;/p>
&lt;h2 id="playwright-test-的基本結構">Playwright test 的基本結構&lt;/h2>





&lt;div class="highlight">&lt;pre tabindex="0" class="chroma">&lt;code class="language-typescript" data-lang="typescript">&lt;span class="line">&lt;span class="ln"> 1&lt;/span>&lt;span class="cl">&lt;span class="kr">import&lt;/span> &lt;span class="p">{&lt;/span> &lt;span class="nx">test&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="nx">expect&lt;/span> &lt;span class="p">}&lt;/span> &lt;span class="kr">from&lt;/span> &lt;span class="s1">&amp;#39;@playwright/test&amp;#39;&lt;/span>&lt;span class="p">;&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln"> 2&lt;/span>&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln"> 3&lt;/span>&lt;span class="cl">&lt;span class="nx">test&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s1">&amp;#39;terminal screen shows connection status&amp;#39;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="kr">async&lt;/span> &lt;span class="p">({&lt;/span> &lt;span class="nx">page&lt;/span> &lt;span class="p">})&lt;/span> &lt;span class="o">=&amp;gt;&lt;/span> &lt;span class="p">{&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln"> 4&lt;/span>&lt;span class="cl"> &lt;span class="k">await&lt;/span> &lt;span class="nx">page&lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="kr">goto&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s1">&amp;#39;http://localhost:8080&amp;#39;&lt;/span>&lt;span class="p">);&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln"> 5&lt;/span>&lt;span class="cl"> 
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln"> 6&lt;/span>&lt;span class="cl"> &lt;span class="c1">// 點擊連線按鈕
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln"> 7&lt;/span>&lt;span class="cl">&lt;span class="c1">&lt;/span> &lt;span class="k">await&lt;/span> &lt;span class="nx">page&lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="nx">click&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s1">&amp;#39;text=Connect Terminal&amp;#39;&lt;/span>&lt;span class="p">);&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln"> 8&lt;/span>&lt;span class="cl"> 
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln"> 9&lt;/span>&lt;span class="cl"> &lt;span class="c1">// 等待畫面轉換
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">10&lt;/span>&lt;span class="cl">&lt;span class="c1">&lt;/span> &lt;span class="k">await&lt;/span> &lt;span class="nx">page&lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="nx">waitForSelector&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s1">&amp;#39;[data-testid=&amp;#34;terminal-screen&amp;#34;]&amp;#39;&lt;/span>&lt;span class="p">);&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">11&lt;/span>&lt;span class="cl"> 
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">12&lt;/span>&lt;span class="cl"> &lt;span class="c1">// 驗證連線狀態顯示
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">13&lt;/span>&lt;span class="cl">&lt;span class="c1">&lt;/span> &lt;span class="kr">const&lt;/span> &lt;span class="nx">status&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="nx">page&lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="nx">locator&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s1">&amp;#39;[data-testid=&amp;#34;connection-status&amp;#34;]&amp;#39;&lt;/span>&lt;span class="p">);&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">14&lt;/span>&lt;span class="cl"> &lt;span class="k">await&lt;/span> &lt;span class="nx">expect&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="nx">status&lt;/span>&lt;span class="p">).&lt;/span>&lt;span class="nx">toBeVisible&lt;/span>&lt;span class="p">();&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">15&lt;/span>&lt;span class="cl">&lt;span class="p">});&lt;/span>&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h3 id="三個位置的斷言">三個位置的斷言&lt;/h3>
&lt;p>Playwright test 中的斷言放在三個位置，各自驗證不同的東西：&lt;/p>
&lt;p>&lt;strong>假設斷言（test 開頭）&lt;/strong>：驗證 test 的前置條件。頁面載入成功、初始狀態正確。如果假設斷言失敗，test 的後續結果不可信。&lt;/p>
&lt;p>&lt;strong>行為斷言（操作之後）&lt;/strong>：驗證 UI 操作的即時效果。點擊按鈕後 dialog 出現、表單提交後顯示成功訊息。&lt;/p>
&lt;p>&lt;strong>互動斷言（流程結束）&lt;/strong>：驗證完整操作流程的最終狀態。多步驟操作完成後畫面回到預期狀態。&lt;/p>
&lt;h2 id="selector-策略">Selector 策略&lt;/h2>
&lt;p>Playwright 用 selector 定位 DOM 元素。Selector 的穩定性決定了 test 的維護成本。&lt;/p>
&lt;h3 id="推薦data-testid">推薦：data-testid&lt;/h3>
&lt;p>在 HTML 元素上加 &lt;code>data-testid&lt;/code> 屬性，Playwright 用 &lt;code>[data-testid=&amp;quot;xxx&amp;quot;]&lt;/code> 定位。&lt;code>data-testid&lt;/code> 不受 CSS class 改名、文字內容變更、DOM 結構調整影響。&lt;/p>





&lt;div class="highlight">&lt;pre tabindex="0" class="chroma">&lt;code class="language-html" data-lang="html">&lt;span class="line">&lt;span class="ln">1&lt;/span>&lt;span class="cl">&lt;span class="p">&amp;lt;&lt;/span>&lt;span class="nt">button&lt;/span> &lt;span class="na">data-testid&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s">&amp;#34;connect-button&amp;#34;&lt;/span>&lt;span class="p">&amp;gt;&lt;/span>Connect Terminal&lt;span class="p">&amp;lt;/&lt;/span>&lt;span class="nt">button&lt;/span>&lt;span class="p">&amp;gt;&lt;/span>&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h3 id="可接受文字內容">可接受：文字內容&lt;/h3>
&lt;p>用 &lt;code>text=Connect Terminal&lt;/code> 定位。在按鈕文字穩定的場景下可用，但多語系支援或文案調整時會斷。&lt;/p>
&lt;h3 id="避免css-selector">避免：CSS selector&lt;/h3>
&lt;p>用 &lt;code>.btn-primary&lt;/code> 或 &lt;code>#main-content &amp;gt; div:nth-child(2)&lt;/code> 定位。CSS class 和 DOM 結構的改動頻率高，test 頻繁因無關變更而失敗。&lt;/p>
&lt;h2 id="和開發伺服器的整合">和開發伺服器的整合&lt;/h2>
&lt;p>Playwright test 需要一個正在運行的 web 應用。整合方式：&lt;/p>
&lt;p>&lt;strong>手動啟動&lt;/strong>：開發者先啟動 dev server，再跑 Playwright test。適合本地開發。&lt;/p>
&lt;p>&lt;strong>自動啟動&lt;/strong>：Playwright 設定檔中指定 &lt;code>webServer&lt;/code> 配置，Playwright 自動啟動 dev server，test 結束後自動停止。適合 CI。&lt;/p>





&lt;div class="highlight">&lt;pre tabindex="0" class="chroma">&lt;code class="language-typescript" data-lang="typescript">&lt;span class="line">&lt;span class="ln">1&lt;/span>&lt;span class="cl">&lt;span class="c1">// playwright.config.ts
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">2&lt;/span>&lt;span class="cl">&lt;span class="c1">&lt;/span>&lt;span class="kr">export&lt;/span> &lt;span class="k">default&lt;/span> &lt;span class="nx">defineConfig&lt;/span>&lt;span class="p">({&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">3&lt;/span>&lt;span class="cl"> &lt;span class="nx">webServer&lt;/span>&lt;span class="o">:&lt;/span> &lt;span class="p">{&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">4&lt;/span>&lt;span class="cl"> &lt;span class="nx">command&lt;/span>&lt;span class="o">:&lt;/span> &lt;span class="s1">&amp;#39;npm run dev&amp;#39;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">5&lt;/span>&lt;span class="cl"> &lt;span class="nx">port&lt;/span>: &lt;span class="kt">8080&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">6&lt;/span>&lt;span class="cl"> &lt;span class="nx">reuseExistingServer&lt;/span>&lt;span class="o">:&lt;/span> &lt;span class="o">!&lt;/span>&lt;span class="nx">process&lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="nx">env&lt;/span>&lt;span class="p">.&lt;/span>&lt;span class="nx">CI&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">7&lt;/span>&lt;span class="cl"> &lt;span class="p">},&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="ln">8&lt;/span>&lt;span class="cl">&lt;span class="p">});&lt;/span>&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;h2 id="下一步路由">下一步路由&lt;/h2>
&lt;ul>
&lt;li>視覺比對 → &lt;a href="https://tarrragon.github.io/blog/testing/04-ui-automation/visual-regression/" data-link-title="螢幕截圖比對" data-link-desc="Visual regression testing — 用螢幕截圖比對偵測非預期的視覺變化、baseline 管理和 diff 閾值設定">螢幕截圖比對&lt;/a>&lt;/li>
&lt;li>狀態覆蓋策略 → &lt;a href="https://tarrragon.github.io/blog/testing/04-ui-automation/state-coverage-strategy/" data-link-title="Widget test 的狀態覆蓋策略" data-link-desc="從畫面狀態矩陣推導 widget test case — 每個狀態的顯示、操作、退出路徑都是獨立的斷言目標">Widget test 的狀態覆蓋策略&lt;/a>&lt;/li>
&lt;li>導航路徑 test → &lt;a href="https://tarrragon.github.io/blog/testing/04-ui-automation/navigation-path-test/" data-link-title="導航路徑 test" data-link-desc="Back 按鈕、route 可達性、go vs push 語意 — 驗證使用者能從任何畫面回到預期的位置">導航路徑 test&lt;/a>&lt;/li>
&lt;/ul></description><content:encoded><![CDATA[<p>Playwright 是瀏覽器自動化工具，在真實瀏覽器中執行 UI 操作並驗證結果。和 Flutter 的 widget test 不同，Playwright 操作的是瀏覽器中的 DOM 元素，驗證的是使用者在瀏覽器中實際看到的畫面。</p>
<h2 id="playwright-和-widget-test-的互補">Playwright 和 widget test 的互補</h2>
<p>Widget test 在 Flutter test framework 中執行，不需要瀏覽器，驗證的是 widget tree 的結構和狀態。Playwright 在真實瀏覽器中執行，驗證的是渲染後的 DOM 和視覺呈現。</p>
<table>
  <thead>
      <tr>
          <th>維度</th>
          <th>Widget test</th>
          <th>Playwright</th>
      </tr>
  </thead>
  <tbody>
      <tr>
          <td>執行環境</td>
          <td>Flutter test framework</td>
          <td>真實瀏覽器（Chromium 等）</td>
      </tr>
      <tr>
          <td>驗證對象</td>
          <td>Widget tree 結構</td>
          <td>DOM 元素和視覺呈現</td>
      </tr>
      <tr>
          <td>速度</td>
          <td>毫秒級</td>
          <td>秒級</td>
      </tr>
      <tr>
          <td>穩定性</td>
          <td>高（無瀏覽器差異）</td>
          <td>中（瀏覽器行為差異）</td>
      </tr>
      <tr>
          <td>適用場景</td>
          <td>邏輯驗證、狀態覆蓋</td>
          <td>視覺驗證、跨瀏覽器相容</td>
      </tr>
      <tr>
          <td>CSS 驗證</td>
          <td>無法驗證 CSS 渲染</td>
          <td>可以驗證 CSS 效果</td>
      </tr>
  </tbody>
</table>
<p>兩者的分工：widget test 驗證「邏輯上正確」（該有的元素存在、該觸發的事件發生），Playwright 驗證「視覺上正確」（元素在正確的位置、顏色和大小符合設計）。</p>
<h2 id="playwright-test-的基本結構">Playwright test 的基本結構</h2>





<div class="highlight"><pre tabindex="0" class="chroma"><code class="language-typescript" data-lang="typescript"><span class="line"><span class="ln"> 1</span><span class="cl"><span class="kr">import</span> <span class="p">{</span> <span class="nx">test</span><span class="p">,</span> <span class="nx">expect</span> <span class="p">}</span> <span class="kr">from</span> <span class="s1">&#39;@playwright/test&#39;</span><span class="p">;</span>
</span></span><span class="line"><span class="ln"> 2</span><span class="cl">
</span></span><span class="line"><span class="ln"> 3</span><span class="cl"><span class="nx">test</span><span class="p">(</span><span class="s1">&#39;terminal screen shows connection status&#39;</span><span class="p">,</span> <span class="kr">async</span> <span class="p">({</span> <span class="nx">page</span> <span class="p">})</span> <span class="o">=&gt;</span> <span class="p">{</span>
</span></span><span class="line"><span class="ln"> 4</span><span class="cl">  <span class="k">await</span> <span class="nx">page</span><span class="p">.</span><span class="kr">goto</span><span class="p">(</span><span class="s1">&#39;http://localhost:8080&#39;</span><span class="p">);</span>
</span></span><span class="line"><span class="ln"> 5</span><span class="cl">  
</span></span><span class="line"><span class="ln"> 6</span><span class="cl">  <span class="c1">// 點擊連線按鈕
</span></span></span><span class="line"><span class="ln"> 7</span><span class="cl"><span class="c1"></span>  <span class="k">await</span> <span class="nx">page</span><span class="p">.</span><span class="nx">click</span><span class="p">(</span><span class="s1">&#39;text=Connect Terminal&#39;</span><span class="p">);</span>
</span></span><span class="line"><span class="ln"> 8</span><span class="cl">  
</span></span><span class="line"><span class="ln"> 9</span><span class="cl">  <span class="c1">// 等待畫面轉換
</span></span></span><span class="line"><span class="ln">10</span><span class="cl"><span class="c1"></span>  <span class="k">await</span> <span class="nx">page</span><span class="p">.</span><span class="nx">waitForSelector</span><span class="p">(</span><span class="s1">&#39;[data-testid=&#34;terminal-screen&#34;]&#39;</span><span class="p">);</span>
</span></span><span class="line"><span class="ln">11</span><span class="cl">  
</span></span><span class="line"><span class="ln">12</span><span class="cl">  <span class="c1">// 驗證連線狀態顯示
</span></span></span><span class="line"><span class="ln">13</span><span class="cl"><span class="c1"></span>  <span class="kr">const</span> <span class="nx">status</span> <span class="o">=</span> <span class="nx">page</span><span class="p">.</span><span class="nx">locator</span><span class="p">(</span><span class="s1">&#39;[data-testid=&#34;connection-status&#34;]&#39;</span><span class="p">);</span>
</span></span><span class="line"><span class="ln">14</span><span class="cl">  <span class="k">await</span> <span class="nx">expect</span><span class="p">(</span><span class="nx">status</span><span class="p">).</span><span class="nx">toBeVisible</span><span class="p">();</span>
</span></span><span class="line"><span class="ln">15</span><span class="cl"><span class="p">});</span></span></span></code></pre></div><h3 id="三個位置的斷言">三個位置的斷言</h3>
<p>Playwright test 中的斷言放在三個位置，各自驗證不同的東西：</p>
<p><strong>假設斷言（test 開頭）</strong>：驗證 test 的前置條件。頁面載入成功、初始狀態正確。如果假設斷言失敗，test 的後續結果不可信。</p>
<p><strong>行為斷言（操作之後）</strong>：驗證 UI 操作的即時效果。點擊按鈕後 dialog 出現、表單提交後顯示成功訊息。</p>
<p><strong>互動斷言（流程結束）</strong>：驗證完整操作流程的最終狀態。多步驟操作完成後畫面回到預期狀態。</p>
<h2 id="selector-策略">Selector 策略</h2>
<p>Playwright 用 selector 定位 DOM 元素。Selector 的穩定性決定了 test 的維護成本。</p>
<h3 id="推薦data-testid">推薦：data-testid</h3>
<p>在 HTML 元素上加 <code>data-testid</code> 屬性，Playwright 用 <code>[data-testid=&quot;xxx&quot;]</code> 定位。<code>data-testid</code> 不受 CSS class 改名、文字內容變更、DOM 結構調整影響。</p>





<div class="highlight"><pre tabindex="0" class="chroma"><code class="language-html" data-lang="html"><span class="line"><span class="ln">1</span><span class="cl"><span class="p">&lt;</span><span class="nt">button</span> <span class="na">data-testid</span><span class="o">=</span><span class="s">&#34;connect-button&#34;</span><span class="p">&gt;</span>Connect Terminal<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span></span></span></code></pre></div><h3 id="可接受文字內容">可接受：文字內容</h3>
<p>用 <code>text=Connect Terminal</code> 定位。在按鈕文字穩定的場景下可用，但多語系支援或文案調整時會斷。</p>
<h3 id="避免css-selector">避免：CSS selector</h3>
<p>用 <code>.btn-primary</code> 或 <code>#main-content &gt; div:nth-child(2)</code> 定位。CSS class 和 DOM 結構的改動頻率高，test 頻繁因無關變更而失敗。</p>
<h2 id="和開發伺服器的整合">和開發伺服器的整合</h2>
<p>Playwright test 需要一個正在運行的 web 應用。整合方式：</p>
<p><strong>手動啟動</strong>：開發者先啟動 dev server，再跑 Playwright test。適合本地開發。</p>
<p><strong>自動啟動</strong>：Playwright 設定檔中指定 <code>webServer</code> 配置，Playwright 自動啟動 dev server，test 結束後自動停止。適合 CI。</p>





<div class="highlight"><pre tabindex="0" class="chroma"><code class="language-typescript" data-lang="typescript"><span class="line"><span class="ln">1</span><span class="cl"><span class="c1">// playwright.config.ts
</span></span></span><span class="line"><span class="ln">2</span><span class="cl"><span class="c1"></span><span class="kr">export</span> <span class="k">default</span> <span class="nx">defineConfig</span><span class="p">({</span>
</span></span><span class="line"><span class="ln">3</span><span class="cl">  <span class="nx">webServer</span><span class="o">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="ln">4</span><span class="cl">    <span class="nx">command</span><span class="o">:</span> <span class="s1">&#39;npm run dev&#39;</span><span class="p">,</span>
</span></span><span class="line"><span class="ln">5</span><span class="cl">    <span class="nx">port</span>: <span class="kt">8080</span><span class="p">,</span>
</span></span><span class="line"><span class="ln">6</span><span class="cl">    <span class="nx">reuseExistingServer</span><span class="o">:</span> <span class="o">!</span><span class="nx">process</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">CI</span><span class="p">,</span>
</span></span><span class="line"><span class="ln">7</span><span class="cl">  <span class="p">},</span>
</span></span><span class="line"><span class="ln">8</span><span class="cl"><span class="p">});</span></span></span></code></pre></div><h2 id="下一步路由">下一步路由</h2>
<ul>
<li>視覺比對 → <a href="/blog/testing/04-ui-automation/visual-regression/" data-link-title="螢幕截圖比對" data-link-desc="Visual regression testing — 用螢幕截圖比對偵測非預期的視覺變化、baseline 管理和 diff 閾值設定">螢幕截圖比對</a></li>
<li>狀態覆蓋策略 → <a href="/blog/testing/04-ui-automation/state-coverage-strategy/" data-link-title="Widget test 的狀態覆蓋策略" data-link-desc="從畫面狀態矩陣推導 widget test case — 每個狀態的顯示、操作、退出路徑都是獨立的斷言目標">Widget test 的狀態覆蓋策略</a></li>
<li>導航路徑 test → <a href="/blog/testing/04-ui-automation/navigation-path-test/" data-link-title="導航路徑 test" data-link-desc="Back 按鈕、route 可達性、go vs push 語意 — 驗證使用者能從任何畫面回到預期的位置">導航路徑 test</a></li>
</ul>
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