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vuex
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                                <h1 id="&#x6D4B;&#x8BD5;">&#x6D4B;&#x8BD5;</h1>
<p>&#x6211;&#x4EEC;&#x4E3B;&#x8981;&#x60F3;&#x9488;&#x5BF9; Vuex &#x4E2D;&#x7684; mutation &#x548C; action &#x8FDB;&#x884C;&#x5355;&#x5143;&#x6D4B;&#x8BD5;&#x3002;</p>
<h3 id="&#x6D4B;&#x8BD5;-mutation">&#x6D4B;&#x8BD5; Mutation</h3>
<p>Mutation &#x5F88;&#x5BB9;&#x6613;&#x88AB;&#x6D4B;&#x8BD5;&#xFF0C;&#x56E0;&#x4E3A;&#x5B83;&#x4EEC;&#x4EC5;&#x4EC5;&#x662F;&#x4E00;&#x4E9B;&#x5B8C;&#x5168;&#x4F9D;&#x8D56;&#x53C2;&#x6570;&#x7684;&#x51FD;&#x6570;&#x3002;&#x8FD9;&#x91CC;&#x6709;&#x4E00;&#x4E2A;&#x5C0F;&#x6280;&#x5DE7;&#xFF0C;&#x5982;&#x679C;&#x4F60;&#x5728; <code>store.js</code> &#x6587;&#x4EF6;&#x4E2D;&#x5B9A;&#x4E49;&#x4E86; mutation&#xFF0C;&#x5E76;&#x4E14;&#x4F7F;&#x7528; ES2015 &#x6A21;&#x5757;&#x529F;&#x80FD;&#x9ED8;&#x8BA4;&#x8F93;&#x51FA;&#x4E86; Vuex.Store &#x7684;&#x5B9E;&#x4F8B;&#xFF0C;&#x90A3;&#x4E48;&#x4F60;&#x4ECD;&#x7136;&#x53EF;&#x4EE5;&#x7ED9; mutation &#x53D6;&#x4E2A;&#x53D8;&#x91CF;&#x540D;&#x7136;&#x540E;&#x628A;&#x5B83;&#x8F93;&#x51FA;&#x53BB;&#xFF1A;</p>
<pre class="language-"><code class="lang-js"><span class="token keyword">const</span> state <span class="token operator">=</span> <span class="token punctuation">{</span> <span class="token operator">...</span> <span class="token punctuation">}</span>

<span class="token comment" spellcheck="true">// `mutations` &#x4F5C;&#x4E3A;&#x547D;&#x540D;&#x8F93;&#x51FA;&#x5BF9;&#x8C61;</span>
<span class="token keyword">export</span> <span class="token keyword">const</span> mutations <span class="token operator">=</span> <span class="token punctuation">{</span> <span class="token operator">...</span> <span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token keyword">new</span> <span class="token class-name">Vuex<span class="token punctuation">.</span>Store</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  state<span class="token punctuation">,</span>
  mutations
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<p>&#x4E0B;&#x9762;&#x662F;&#x7528; Mocha + Chai &#x6D4B;&#x8BD5;&#x4E00;&#x4E2A; mutation &#x7684;&#x4F8B;&#x5B50;&#xFF08;&#x5B9E;&#x9645;&#x4E0A;&#x4F60;&#x53EF;&#x4EE5;&#x7528;&#x4EFB;&#x4F55;&#x4F60;&#x559C;&#x6B22;&#x7684;&#x6D4B;&#x8BD5;&#x6846;&#x67B6;&#xFF09;&#xFF1A;</p>
<pre class="language-"><code class="lang-js"><span class="token comment" spellcheck="true">// mutations.js</span>
<span class="token keyword">export</span> <span class="token keyword">const</span> mutations <span class="token operator">=</span> <span class="token punctuation">{</span>
  increment<span class="token punctuation">:</span> state <span class="token operator">=</span><span class="token operator">&gt;</span> state<span class="token punctuation">.</span>count<span class="token operator">++</span>
<span class="token punctuation">}</span>
</code></pre>
<pre class="language-"><code class="lang-js"><span class="token comment" spellcheck="true">// mutations.spec.js</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> expect <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">&apos;chai&apos;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> mutations <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">&apos;./store&apos;</span>

<span class="token comment" spellcheck="true">// &#x89E3;&#x6784; `mutations`</span>
<span class="token keyword">const</span> <span class="token punctuation">{</span> increment <span class="token punctuation">}</span> <span class="token operator">=</span> mutations

<span class="token function">describe</span><span class="token punctuation">(</span><span class="token string">&apos;mutations&apos;</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
  <span class="token function">it</span><span class="token punctuation">(</span><span class="token string">&apos;INCREMENT&apos;</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
    <span class="token comment" spellcheck="true">// &#x6A21;&#x62DF;&#x72B6;&#x6001;</span>
    <span class="token keyword">const</span> state <span class="token operator">=</span> <span class="token punctuation">{</span> count<span class="token punctuation">:</span> <span class="token number">0</span> <span class="token punctuation">}</span>
    <span class="token comment" spellcheck="true">// &#x5E94;&#x7528; mutation</span>
    <span class="token function">increment</span><span class="token punctuation">(</span>state<span class="token punctuation">)</span>
    <span class="token comment" spellcheck="true">// &#x65AD;&#x8A00;&#x7ED3;&#x679C;</span>
    <span class="token function">expect</span><span class="token punctuation">(</span>state<span class="token punctuation">.</span>count<span class="token punctuation">)</span><span class="token punctuation">.</span>to<span class="token punctuation">.</span><span class="token function">equal</span><span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<h3 id="&#x6D4B;&#x8BD5;-action">&#x6D4B;&#x8BD5; Action</h3>
<p>Action &#x5E94;&#x5BF9;&#x8D77;&#x6765;&#x7565;&#x5FAE;&#x68D8;&#x624B;&#xFF0C;&#x56E0;&#x4E3A;&#x5B83;&#x4EEC;&#x53EF;&#x80FD;&#x9700;&#x8981;&#x8C03;&#x7528;&#x5916;&#x90E8;&#x7684; API&#x3002;&#x5F53;&#x6D4B;&#x8BD5; action &#x7684;&#x65F6;&#x5019;&#xFF0C;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x589E;&#x52A0;&#x4E00;&#x4E2A; mocking &#x670D;&#x52A1;&#x5C42;&#x2014;&#x2014;&#x4F8B;&#x5982;&#xFF0C;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x628A; API &#x8C03;&#x7528;&#x62BD;&#x8C61;&#x6210;&#x670D;&#x52A1;&#xFF0C;&#x7136;&#x540E;&#x5728;&#x6D4B;&#x8BD5;&#x6587;&#x4EF6;&#x4E2D;&#x7528; mock &#x670D;&#x52A1;&#x56DE;&#x5E94; API &#x8C03;&#x7528;&#x3002;&#x4E3A;&#x4E86;&#x4FBF;&#x4E8E;&#x89E3;&#x51B3; mock &#x4F9D;&#x8D56;&#xFF0C;&#x53EF;&#x4EE5;&#x7528; webpack &#x548C; <a href="https://github.com/plasticine/inject-loader" target="_blank">inject-loader</a> &#x6253;&#x5305;&#x6D4B;&#x8BD5;&#x6587;&#x4EF6;&#x3002;</p>
<p>&#x4E0B;&#x9762;&#x662F;&#x4E00;&#x4E2A;&#x6D4B;&#x8BD5;&#x5F02;&#x6B65; action &#x7684;&#x4F8B;&#x5B50;&#xFF1A;</p>
<pre class="language-"><code class="lang-js"><span class="token comment" spellcheck="true">// actions.js</span>
<span class="token keyword">import</span> shop <span class="token keyword">from</span> <span class="token string">&apos;../api/shop&apos;</span>

<span class="token keyword">export</span> <span class="token keyword">const</span> getAllProducts <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token punctuation">{</span> commit <span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
  <span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&apos;REQUEST_PRODUCTS&apos;</span><span class="token punctuation">)</span>
  shop<span class="token punctuation">.</span><span class="token function">getProducts</span><span class="token punctuation">(</span>products <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
    <span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&apos;RECEIVE_PRODUCTS&apos;</span><span class="token punctuation">,</span> products<span class="token punctuation">)</span>
  <span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span>
</code></pre>
<pre class="language-"><code class="lang-js"><span class="token comment" spellcheck="true">// actions.spec.js</span>

<span class="token comment" spellcheck="true">// &#x4F7F;&#x7528; require &#x8BED;&#x6CD5;&#x5904;&#x7406;&#x5185;&#x8054; loaders&#x3002;</span>
<span class="token comment" spellcheck="true">// inject-loader &#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x5141;&#x8BB8;&#x6211;&#x4EEC;&#x6CE8;&#x5165; mock &#x4F9D;&#x8D56;&#x7684;&#x6A21;&#x5757;&#x5DE5;&#x5382;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> expect <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">&apos;chai&apos;</span>
<span class="token keyword">const</span> actionsInjector <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">&apos;inject-loader!./actions&apos;</span><span class="token punctuation">)</span>

<span class="token comment" spellcheck="true">// &#x4F7F;&#x7528; mocks &#x521B;&#x5EFA;&#x6A21;&#x5757;</span>
<span class="token keyword">const</span> actions <span class="token operator">=</span> <span class="token function">actionsInjector</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token string">&apos;../api/shop&apos;</span><span class="token punctuation">:</span> <span class="token punctuation">{</span>
    getProducts <span class="token punctuation">(</span>cb<span class="token punctuation">)</span> <span class="token punctuation">{</span>
      <span class="token function">setTimeout</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
        <span class="token function">cb</span><span class="token punctuation">(</span><span class="token punctuation">[</span> <span class="token comment" spellcheck="true">/* mocked response */</span> <span class="token punctuation">]</span><span class="token punctuation">)</span>
      <span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token number">100</span><span class="token punctuation">)</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>

<span class="token comment" spellcheck="true">// &#x7528;&#x6307;&#x5B9A;&#x7684; mutaions &#x6D4B;&#x8BD5; action &#x7684;&#x8F85;&#x52A9;&#x51FD;&#x6570;</span>
<span class="token keyword">const</span> testAction <span class="token operator">=</span> <span class="token punctuation">(</span>action<span class="token punctuation">,</span> args<span class="token punctuation">,</span> state<span class="token punctuation">,</span> expectedMutations<span class="token punctuation">,</span> done<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
  <span class="token keyword">let</span> count <span class="token operator">=</span> <span class="token number">0</span>

  <span class="token comment" spellcheck="true">// &#x6A21;&#x62DF;&#x63D0;&#x4EA4;</span>
  <span class="token keyword">const</span> commit <span class="token operator">=</span> <span class="token punctuation">(</span>type<span class="token punctuation">,</span> payload<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
    <span class="token keyword">const</span> mutation <span class="token operator">=</span> expectedMutations<span class="token punctuation">[</span>count<span class="token punctuation">]</span>

    <span class="token keyword">try</span> <span class="token punctuation">{</span>
      <span class="token function">expect</span><span class="token punctuation">(</span>mutation<span class="token punctuation">.</span>type<span class="token punctuation">)</span><span class="token punctuation">.</span>to<span class="token punctuation">.</span><span class="token function">equal</span><span class="token punctuation">(</span>type<span class="token punctuation">)</span>
      <span class="token keyword">if</span> <span class="token punctuation">(</span>payload<span class="token punctuation">)</span> <span class="token punctuation">{</span>
        <span class="token function">expect</span><span class="token punctuation">(</span>mutation<span class="token punctuation">.</span>payload<span class="token punctuation">)</span><span class="token punctuation">.</span>to<span class="token punctuation">.</span>deep<span class="token punctuation">.</span><span class="token function">equal</span><span class="token punctuation">(</span>payload<span class="token punctuation">)</span>
      <span class="token punctuation">}</span>
    <span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">error</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      <span class="token function">done</span><span class="token punctuation">(</span>error<span class="token punctuation">)</span>
    <span class="token punctuation">}</span>

    count<span class="token operator">++</span>
    <span class="token keyword">if</span> <span class="token punctuation">(</span>count <span class="token operator">&gt;=</span> expectedMutations<span class="token punctuation">.</span>length<span class="token punctuation">)</span> <span class="token punctuation">{</span>
      <span class="token function">done</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>

  <span class="token comment" spellcheck="true">// &#x7528;&#x6A21;&#x62DF;&#x7684; store &#x548C;&#x53C2;&#x6570;&#x8C03;&#x7528; action</span>
  <span class="token function">action</span><span class="token punctuation">(</span><span class="token punctuation">{</span> commit<span class="token punctuation">,</span> state <span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token operator">...</span>args<span class="token punctuation">)</span>

  <span class="token comment" spellcheck="true">// &#x68C0;&#x67E5;&#x662F;&#x5426;&#x6CA1;&#x6709; mutation &#x88AB; dispatch</span>
  <span class="token keyword">if</span> <span class="token punctuation">(</span>expectedMutations<span class="token punctuation">.</span>length <span class="token operator">===</span> <span class="token number">0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token function">expect</span><span class="token punctuation">(</span>count<span class="token punctuation">)</span><span class="token punctuation">.</span>to<span class="token punctuation">.</span><span class="token function">equal</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">)</span>
    <span class="token function">done</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token function">describe</span><span class="token punctuation">(</span><span class="token string">&apos;actions&apos;</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
  <span class="token function">it</span><span class="token punctuation">(</span><span class="token string">&apos;getAllProducts&apos;</span><span class="token punctuation">,</span> done <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
    <span class="token function">testAction</span><span class="token punctuation">(</span>actions<span class="token punctuation">.</span>getAllProducts<span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">,</span> <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token punctuation">[</span>
      <span class="token punctuation">{</span> type<span class="token punctuation">:</span> <span class="token string">&apos;REQUEST_PRODUCTS&apos;</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
      <span class="token punctuation">{</span> type<span class="token punctuation">:</span> <span class="token string">&apos;RECEIVE_PRODUCTS&apos;</span><span class="token punctuation">,</span> payload<span class="token punctuation">:</span> <span class="token punctuation">{</span> <span class="token comment" spellcheck="true">/* mocked response */</span> <span class="token punctuation">}</span> <span class="token punctuation">}</span>
    <span class="token punctuation">]</span><span class="token punctuation">,</span> done<span class="token punctuation">)</span>
  <span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<p>&#x5982;&#x679C;&#x5728;&#x6D4B;&#x8BD5;&#x73AF;&#x5883;&#x4E0B;&#x6709;&#x53EF;&#x7528;&#x7684; spy (&#x6BD4;&#x5982;&#x901A;&#x8FC7; <a href="http://sinonjs.org/" target="_blank">Sinon.JS</a>)&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x5B83;&#x4EEC;&#x66FF;&#x6362;&#x8F85;&#x52A9;&#x51FD;&#x6570; <code>testAction</code>&#xFF1A;</p>
<pre class="language-"><code class="lang-js"><span class="token function">describe</span><span class="token punctuation">(</span><span class="token string">&apos;actions&apos;</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
  <span class="token function">it</span><span class="token punctuation">(</span><span class="token string">&apos;getAllProducts&apos;</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
    <span class="token keyword">const</span> commit <span class="token operator">=</span> sinon<span class="token punctuation">.</span><span class="token function">spy</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
    <span class="token keyword">const</span> state <span class="token operator">=</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>

    actions<span class="token punctuation">.</span><span class="token function">getAllProducts</span><span class="token punctuation">(</span><span class="token punctuation">{</span> commit<span class="token punctuation">,</span> state <span class="token punctuation">}</span><span class="token punctuation">)</span>

    <span class="token function">expect</span><span class="token punctuation">(</span>commit<span class="token punctuation">.</span>args<span class="token punctuation">)</span><span class="token punctuation">.</span>to<span class="token punctuation">.</span>deep<span class="token punctuation">.</span><span class="token function">equal</span><span class="token punctuation">(</span><span class="token punctuation">[</span>
      <span class="token punctuation">[</span><span class="token string">&apos;REQUEST_PRODUCTS&apos;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
      <span class="token punctuation">[</span><span class="token string">&apos;RECEIVE_PRODUCTS&apos;</span><span class="token punctuation">,</span> <span class="token punctuation">{</span> <span class="token comment" spellcheck="true">/* mocked response */</span> <span class="token punctuation">}</span><span class="token punctuation">]</span>
    <span class="token punctuation">]</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<h3 id="&#x6D4B;&#x8BD5;-getter">&#x6D4B;&#x8BD5; Getter</h3>
<p>&#x5982;&#x679C;&#x4F60;&#x7684; getter &#x5305;&#x542B;&#x5F88;&#x590D;&#x6742;&#x7684;&#x8BA1;&#x7B97;&#x8FC7;&#x7A0B;&#xFF0C;&#x5F88;&#x6709;&#x5FC5;&#x8981;&#x6D4B;&#x8BD5;&#x5B83;&#x4EEC;&#x3002;Getter &#x7684;&#x6D4B;&#x8BD5;&#x4E0E; mutation &#x4E00;&#x6837;&#x76F4;&#x622A;&#x4E86;&#x5F53;&#x3002;</p>
<p>&#x6D4B;&#x8BD5;&#x4E00;&#x4E2A; getter &#x7684;&#x793A;&#x4F8B;&#xFF1A;</p>
<pre class="language-"><code class="lang-js"><span class="token comment" spellcheck="true">// getters.js</span>
<span class="token keyword">export</span> <span class="token keyword">const</span> getters <span class="token operator">=</span> <span class="token punctuation">{</span>
  filteredProducts <span class="token punctuation">(</span>state<span class="token punctuation">,</span> <span class="token punctuation">{</span> filterCategory <span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> state<span class="token punctuation">.</span>products<span class="token punctuation">.</span><span class="token function">filter</span><span class="token punctuation">(</span>product <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
      <span class="token keyword">return</span> product<span class="token punctuation">.</span>category <span class="token operator">===</span> filterCategory
    <span class="token punctuation">}</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<pre class="language-"><code class="lang-js"><span class="token comment" spellcheck="true">// getters.spec.js</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> expect <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">&apos;chai&apos;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> getters <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">&apos;./getters&apos;</span>

<span class="token function">describe</span><span class="token punctuation">(</span><span class="token string">&apos;getters&apos;</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
  <span class="token function">it</span><span class="token punctuation">(</span><span class="token string">&apos;filteredProducts&apos;</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
    <span class="token comment" spellcheck="true">// &#x6A21;&#x62DF;&#x72B6;&#x6001;</span>
    <span class="token keyword">const</span> state <span class="token operator">=</span> <span class="token punctuation">{</span>
      products<span class="token punctuation">:</span> <span class="token punctuation">[</span>
        <span class="token punctuation">{</span> id<span class="token punctuation">:</span> <span class="token number">1</span><span class="token punctuation">,</span> title<span class="token punctuation">:</span> <span class="token string">&apos;Apple&apos;</span><span class="token punctuation">,</span> category<span class="token punctuation">:</span> <span class="token string">&apos;fruit&apos;</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
        <span class="token punctuation">{</span> id<span class="token punctuation">:</span> <span class="token number">2</span><span class="token punctuation">,</span> title<span class="token punctuation">:</span> <span class="token string">&apos;Orange&apos;</span><span class="token punctuation">,</span> category<span class="token punctuation">:</span> <span class="token string">&apos;fruit&apos;</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
        <span class="token punctuation">{</span> id<span class="token punctuation">:</span> <span class="token number">3</span><span class="token punctuation">,</span> title<span class="token punctuation">:</span> <span class="token string">&apos;Carrot&apos;</span><span class="token punctuation">,</span> category<span class="token punctuation">:</span> <span class="token string">&apos;vegetable&apos;</span> <span class="token punctuation">}</span>
      <span class="token punctuation">]</span>
    <span class="token punctuation">}</span>
    <span class="token comment" spellcheck="true">// &#x6A21;&#x62DF; getter</span>
    <span class="token keyword">const</span> filterCategory <span class="token operator">=</span> <span class="token string">&apos;fruit&apos;</span>

    <span class="token comment" spellcheck="true">// &#x83B7;&#x53D6; getter &#x7684;&#x7ED3;&#x679C;</span>
    <span class="token keyword">const</span> result <span class="token operator">=</span> getters<span class="token punctuation">.</span><span class="token function">filteredProducts</span><span class="token punctuation">(</span>state<span class="token punctuation">,</span> <span class="token punctuation">{</span> filterCategory <span class="token punctuation">}</span><span class="token punctuation">)</span>

    <span class="token comment" spellcheck="true">// &#x65AD;&#x8A00;&#x7ED3;&#x679C;</span>
    <span class="token function">expect</span><span class="token punctuation">(</span>result<span class="token punctuation">)</span><span class="token punctuation">.</span>to<span class="token punctuation">.</span>deep<span class="token punctuation">.</span><span class="token function">equal</span><span class="token punctuation">(</span><span class="token punctuation">[</span>
      <span class="token punctuation">{</span> id<span class="token punctuation">:</span> <span class="token number">1</span><span class="token punctuation">,</span> title<span class="token punctuation">:</span> <span class="token string">&apos;Apple&apos;</span><span class="token punctuation">,</span> category<span class="token punctuation">:</span> <span class="token string">&apos;fruit&apos;</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
      <span class="token punctuation">{</span> id<span class="token punctuation">:</span> <span class="token number">2</span><span class="token punctuation">,</span> title<span class="token punctuation">:</span> <span class="token string">&apos;Orange&apos;</span><span class="token punctuation">,</span> category<span class="token punctuation">:</span> <span class="token string">&apos;fruit&apos;</span> <span class="token punctuation">}</span>
    <span class="token punctuation">]</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<h3 id="&#x6267;&#x884C;&#x6D4B;&#x8BD5;">&#x6267;&#x884C;&#x6D4B;&#x8BD5;</h3>
<p>&#x5982;&#x679C;&#x4F60;&#x7684; mutation &#x548C; action &#x7F16;&#x5199;&#x6B63;&#x786E;&#xFF0C;&#x7ECF;&#x8FC7;&#x5408;&#x7406;&#x5730; mocking &#x5904;&#x7406;&#x4E4B;&#x540E;&#x8FD9;&#x4E9B;&#x6D4B;&#x8BD5;&#x5E94;&#x8BE5;&#x4E0D;&#x4F9D;&#x8D56;&#x4EFB;&#x4F55;&#x6D4F;&#x89C8;&#x5668; API&#xFF0C;&#x56E0;&#x6B64;&#x4F60;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x7528; webpack &#x6253;&#x5305;&#x8FD9;&#x4E9B;&#x6D4B;&#x8BD5;&#x6587;&#x4EF6;&#x7136;&#x540E;&#x5728; Node &#x4E2D;&#x6267;&#x884C;&#x3002;&#x6362;&#x79CD;&#x65B9;&#x5F0F;&#xFF0C;&#x4F60;&#x4E5F;&#x53EF;&#x4EE5;&#x7528; <code>mocha-loader</code> &#x6216; Karma + <code>karma-webpack</code>&#x5728;&#x771F;&#x5B9E;&#x6D4F;&#x89C8;&#x5668;&#x73AF;&#x5883;&#x4E2D;&#x8FDB;&#x884C;&#x6D4B;&#x8BD5;&#x3002;</p>
<h4 id="&#x5728;-node-&#x4E2D;&#x6267;&#x884C;&#x6D4B;&#x8BD5;">&#x5728; Node &#x4E2D;&#x6267;&#x884C;&#x6D4B;&#x8BD5;</h4>
<p>&#x521B;&#x5EFA;&#x4EE5;&#x4E0B; webpack &#x914D;&#x7F6E;&#xFF08;&#x914D;&#x7F6E;&#x597D; <a href="https://babeljs.io/docs/usage/babelrc/" target="_blank"><code>.babelrc</code></a>&#xFF09;:</p>
<pre class="language-"><code class="lang-js"><span class="token comment" spellcheck="true">// webpack.config.js</span>
module<span class="token punctuation">.</span>exports <span class="token operator">=</span> <span class="token punctuation">{</span>
  entry<span class="token punctuation">:</span> <span class="token string">&apos;./test.js&apos;</span><span class="token punctuation">,</span>
  output<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    path<span class="token punctuation">:</span> __dirname<span class="token punctuation">,</span>
    filename<span class="token punctuation">:</span> <span class="token string">&apos;test-bundle.js&apos;</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  module<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    loaders<span class="token punctuation">:</span> <span class="token punctuation">[</span>
      <span class="token punctuation">{</span>
        test<span class="token punctuation">:</span> <span class="token regex">/\.js$/</span><span class="token punctuation">,</span>
        loader<span class="token punctuation">:</span> <span class="token string">&apos;babel-loader&apos;</span><span class="token punctuation">,</span>
        exclude<span class="token punctuation">:</span> <span class="token regex">/node_modules/</span>
      <span class="token punctuation">}</span>
    <span class="token punctuation">]</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x7136;&#x540E;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">webpack
mocha test-bundle.js
</code></pre>
<h4 id="&#x5728;&#x6D4F;&#x89C8;&#x5668;&#x4E2D;&#x6D4B;&#x8BD5;">&#x5728;&#x6D4F;&#x89C8;&#x5668;&#x4E2D;&#x6D4B;&#x8BD5;</h4>
<ol>
<li>&#x5B89;&#x88C5; <code>mocha-loader</code>&#x3002;</li>
<li>&#x628A;&#x4E0A;&#x8FF0; webpack &#x914D;&#x7F6E;&#x4E2D;&#x7684; <code>entry</code> &#x6539;&#x6210; <code>&apos;mocha-loader!babel-loader!./test.js&apos;</code>&#x3002;</li>
<li>&#x7528;&#x4EE5;&#x4E0A;&#x914D;&#x7F6E;&#x542F;&#x52A8; <code>webpack-dev-server</code>&#x3002;</li>
<li>&#x8BBF;&#x95EE; <code>localhost:8080/webpack-dev-server/test-bundle</code>&#x3002;</li>
</ol>
<h4 id="&#x4F7F;&#x7528;-karma--karma-webpack-&#x5728;&#x6D4F;&#x89C8;&#x5668;&#x4E2D;&#x6267;&#x884C;&#x6D4B;&#x8BD5;">&#x4F7F;&#x7528; Karma + karma-webpack &#x5728;&#x6D4F;&#x89C8;&#x5668;&#x4E2D;&#x6267;&#x884C;&#x6D4B;&#x8BD5;</h4>
<p>&#x8BE6;&#x89C1; <a href="https://vuejs.github.io/vue-loader/workflow/testing.html" target="_blank">vue-loader documentation</a>&#x3002;</p>

                                
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