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<header><h1>What are Testcontainers</h1></header>
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<p><a href="https://testcontainers.com/" target="_blank" rel="noopener noreferrer">Testcontainers</a> is an open source library that allows you to test any containerized dependencies, such as databases, various cloud technologies, or message brokers. For ease of use, Testcontainers has many preconfigured dependencies called modules.</p>
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<p>Besides that, Testcontainers supports various languages in which you can easily write your tests, such as Python, Go, Rust, Ruby, JavaScript, .NET, Java, and others.</p>
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<h2 class="anchor anchorWithStickyNavbar_JmGV" id="common-use-cases-with-testcontainers">Common use cases with Testcontainers<a href="#common-use-cases-with-testcontainers" class="hash-link" aria-label="Direct link to Common use cases with Testcontainers" title="Direct link to Common use cases with Testcontainers"></a></h2>
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<p>Thanks to the container technology, you can obtain fresh, clean instances without any complex setup for use cases such as:</p>
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<ul>
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<li>Data access layer integration tests</li>
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<li>UI/Acceptance tests</li>
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<li>Application integration tests</li>
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</ul>
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<h2 class="anchor anchorWithStickyNavbar_JmGV" id="setup-testcontainers-with-podman">Setup Testcontainers with Podman<a href="#setup-testcontainers-with-podman" class="hash-link" aria-label="Direct link to Setup Testcontainers with Podman" title="Direct link to Setup Testcontainers with Podman"></a></h2>
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<p>Before we start, you need to have installed <a href="https://podman.io/" target="_blank" rel="noopener noreferrer">Podman</a> and run it in socket listening:</p>
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<div class="language-shell codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-shell codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token plain">$ </span><span class="token function" style="color:rgb(80, 250, 123)">podman</span><span class="token plain"> system </span><span class="token function" style="color:rgb(80, 250, 123)">service</span><span class="token plain"> </span><span class="token parameter variable" style="color:rgb(189, 147, 249);font-style:italic">--time</span><span class="token operator">=</span><span class="token number">0</span><span class="token plain"> </span><span class="token operator">&</span><br></span></code></pre></div></div>
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<p>Set Testcontainers runtime to Podman by using one of the following options:</p>
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<ul>
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<li>
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<p>Enable the <a href="https://podman-desktop.io/docs/migrating-from-docker/managing-docker-compatibility" target="_blank" rel="noopener noreferrer">Docker Compatibility</a> feature.</p>
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</li>
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<li>
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<p>Create a <code>.testcontainers.properties</code> file in your home directory for global configuration of your Testcontainers and add the following line to the configuration file:</p>
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<ul>
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<li>
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<p>MacOS</p>
|
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<div class="language-title=".testcontainers.properties" codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-title=".testcontainers.properties" codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token plain">docker.host=unix://$(podman machine inspect --format '{{.ConnectionInfo.PodmanSocket.Path}}')</span><br></span></code></pre></div></div>
|
||
<p>Run the following command after configuration:</p>
|
||
<div class="language-bash codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-bash codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token plain">$ </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">export</span><span class="token plain"> </span><span class="token assign-left variable" style="color:rgb(189, 147, 249);font-style:italic">TESTCONTAINERS_DOCKER_SOCKET_OVERRIDE</span><span class="token operator">=</span><span class="token plain">/var/run/docker.sock</span><br></span></code></pre></div></div>
|
||
</li>
|
||
<li>
|
||
<p>Linux:</p>
|
||
<div class="language-title=".testcontainers.properties" codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-title=".testcontainers.properties" codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token plain">docker.host=unix://${XDG_RUNTIME_DIR}/podman/podman.sock</span><br></span></code></pre></div></div>
|
||
<div class="theme-admonition theme-admonition-note admonition_WCGJ alert alert--secondary"><div class="admonitionHeading_GCBg"><span class="admonitionIcon_L39b"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</div><div class="admonitionContent_pbrs"><p>Every language supported by Testcontainers has different properties supported by the .testcontainers.properties file.</p></div></div>
|
||
</li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
<blockquote>
|
||
<p><strong><em>OPTIONAL:</em></strong> If you are running Podman in rootless mode, you must disable Ryuk by defining this environment variable:</p>
|
||
<div class="language-bash codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-bash codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token plain">$ </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">export</span><span class="token plain"> </span><span class="token assign-left variable" style="color:rgb(189, 147, 249);font-style:italic">TESTCONTAINERS_RYUK_DISABLED</span><span class="token operator">=</span><span class="token plain">true</span><br></span></code></pre></div></div>
|
||
</blockquote>
|
||
<h2 class="anchor anchorWithStickyNavbar_JmGV" id="creating-a-project">Creating a project<a href="#creating-a-project" class="hash-link" aria-label="Direct link to Creating a project" title="Direct link to Creating a project"></a></h2>
|
||
<p>This example uses the Redis service and Redis module from Testcontainers. You can create a project and install all the dependencies by following the procedure.</p>
|
||
<ol>
|
||
<li>
|
||
<p>Initialize a project.</p>
|
||
<div class="language-bash codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-bash codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token plain">$ </span><span class="token function" style="color:rgb(80, 250, 123)">npm</span><span class="token plain"> init </span><span class="token parameter variable" style="color:rgb(189, 147, 249);font-style:italic">-y</span><br></span></code></pre></div></div>
|
||
</li>
|
||
<li>
|
||
<p>Installing dependencies.</p>
|
||
<div class="language-bash codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-bash codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token plain">$ </span><span class="token function" style="color:rgb(80, 250, 123)">npm</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">install</span><span class="token plain"> testcontainers vitest @testcontainers/redis redis typescript --save-dev</span><br></span></code></pre></div></div>
|
||
</li>
|
||
<li>
|
||
<p>Update <code>package.json</code> file.</p>
|
||
<div class="language-json codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockTitle_kY6l">package.json</div><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-json codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token plain">...</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"scripts"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"test"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"vitest"</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">...</span><br></span></code></pre></div></div>
|
||
</li>
|
||
<li>
|
||
<p>Create basic CRUD operations using the Redis Node.js library.</p>
|
||
<div class="language-ts codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockTitle_kY6l">index.ts</div><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-ts codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">import</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"> createClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> RedisClientType </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">from</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'redis'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">let</span><span class="token plain"> redisClient</span><span class="token operator">:</span><span class="token plain"> RedisClientType </span><span class="token operator">|</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">undefined</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">undefined</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">export</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">function</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">connectRedis</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">url</span><span class="token operator">:</span><span class="token plain"> </span><span class="token builtin" style="color:rgb(189, 147, 249)">string</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> redisClient </span><span class="token operator">=</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">createClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"> url </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> redisClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">connect</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">return</span><span class="token plain"> redisClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">export</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">function</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">setValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">key</span><span class="token operator">:</span><span class="token plain"> </span><span class="token builtin" style="color:rgb(189, 147, 249)">string</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> value</span><span class="token operator">:</span><span class="token plain"> </span><span class="token builtin" style="color:rgb(189, 147, 249)">string</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token operator">:</span><span class="token plain"> </span><span class="token builtin" style="color:rgb(189, 147, 249)">Promise</span><span class="token operator"><</span><span class="token builtin" style="color:rgb(189, 147, 249)">string</span><span class="token plain"> </span><span class="token operator">|</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">null</span><span class="token operator">></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token operator">!</span><span class="token plain">redisClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">throw</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">new</span><span class="token plain"> </span><span class="token class-name">Error</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'Redis client is not connected'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">return</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> redisClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">set</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">key</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> value</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">export</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">function</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">getValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">key</span><span class="token operator">:</span><span class="token plain"> </span><span class="token builtin" style="color:rgb(189, 147, 249)">string</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token operator">:</span><span class="token plain"> </span><span class="token builtin" style="color:rgb(189, 147, 249)">Promise</span><span class="token operator"><</span><span class="token builtin" style="color:rgb(189, 147, 249)">string</span><span class="token plain"> </span><span class="token operator">|</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">null</span><span class="token operator">></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token operator">!</span><span class="token plain">redisClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">throw</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">new</span><span class="token plain"> </span><span class="token class-name">Error</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'Redis client is not connected'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">return</span><span class="token plain"> redisClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">get</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">key</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">export</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">function</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">deleteValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">key</span><span class="token operator">:</span><span class="token plain"> </span><span class="token builtin" style="color:rgb(189, 147, 249)">string</span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token operator">:</span><span class="token plain"> </span><span class="token builtin" style="color:rgb(189, 147, 249)">Promise</span><span class="token operator"><</span><span class="token builtin" style="color:rgb(189, 147, 249)">number</span><span class="token operator">></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token operator">!</span><span class="token plain">redisClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">throw</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">new</span><span class="token plain"> </span><span class="token class-name">Error</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'Redis client is not connected'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">return</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> redisClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">del</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">key</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">export</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">function</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">disconnectRedis</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">redisClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> redisClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">quit</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> redisClient </span><span class="token operator">=</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">undefined</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><br></span></code></pre></div></div>
|
||
</li>
|
||
<li>
|
||
<p>Create basic tests for CRUD operations.</p>
|
||
<div class="language-ts codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockTitle_kY6l">index.spec.ts</div><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-ts codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">import</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"> afterAll</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> beforeAll</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> beforeEach</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> expect</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> test </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">from</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'vitest'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">import</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"> connectRedis</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> deleteValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> disconnectRedis</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> getValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> setValue </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">from</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'.'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">import</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"> RedisContainer</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> StartedRedisContainer </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">from</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'@testcontainers/redis'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">import</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"> Wait </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">from</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'testcontainers'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">import</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"> createClient </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">from</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'redis'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">let</span><span class="token plain"> container</span><span class="token operator">:</span><span class="token plain"> StartedRedisContainer</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token function" style="color:rgb(80, 250, 123)">beforeAll</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token operator">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> container </span><span class="token operator">=</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">new</span><span class="token plain"> </span><span class="token class-name">RedisContainer</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">withExposedPorts</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">6379</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">withWaitStrategy</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">Wait</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">forLogMessage</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'Ready to accept connections'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">start</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">connectRedis</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token template-string template-punctuation string" style="color:rgb(255, 121, 198)">`</span><span class="token template-string string" style="color:rgb(255, 121, 198)">redis://localhost:</span><span class="token template-string interpolation interpolation-punctuation punctuation" style="color:rgb(248, 248, 242)">${</span><span class="token template-string interpolation">container</span><span class="token template-string interpolation punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token template-string interpolation function" style="color:rgb(80, 250, 123)">getMappedPort</span><span class="token template-string interpolation punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token template-string interpolation number">6379</span><span class="token template-string interpolation punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token template-string interpolation interpolation-punctuation punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token template-string template-punctuation string" style="color:rgb(255, 121, 198)">`</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token function" style="color:rgb(80, 250, 123)">afterAll</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token operator">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">disconnectRedis</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token function" style="color:rgb(80, 250, 123)">beforeEach</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token operator">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">// Flushind DB and adding to Redis some values before each test</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">const</span><span class="token plain"> client </span><span class="token operator">=</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">createClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"> url</span><span class="token operator">:</span><span class="token plain"> </span><span class="token template-string template-punctuation string" style="color:rgb(255, 121, 198)">`</span><span class="token template-string string" style="color:rgb(255, 121, 198)">redis://localhost:</span><span class="token template-string interpolation interpolation-punctuation punctuation" style="color:rgb(248, 248, 242)">${</span><span class="token template-string interpolation">container</span><span class="token template-string interpolation punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token template-string interpolation function" style="color:rgb(80, 250, 123)">getMappedPort</span><span class="token template-string interpolation punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token template-string interpolation number">6379</span><span class="token template-string interpolation punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token template-string interpolation interpolation-punctuation punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token template-string template-punctuation string" style="color:rgb(255, 121, 198)">`</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> client</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">connect</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> client</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">flushDb</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> client</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">set</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'preset-key'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'preset-value'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> client</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">set</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'preset-key1'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'preset-value1'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> client</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">quit</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token function" style="color:rgb(80, 250, 123)">test</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'set value on server'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token operator">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">// Set value</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">const</span><span class="token plain"> ret </span><span class="token operator">=</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">setValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'key'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'value'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">expect</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">ret</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">toBe</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'OK'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">// Update value</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">const</span><span class="token plain"> ret1 </span><span class="token operator">=</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">setValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'key'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'updated-value'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">expect</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">ret1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">toBe</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'OK'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token function" style="color:rgb(80, 250, 123)">test</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'get value from server'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token operator">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">// Get preset value</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">const</span><span class="token plain"> value </span><span class="token operator">=</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">getValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'preset-key'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">expect</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">value</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">toBe</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'preset-value'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">// Get not existing value</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">const</span><span class="token plain"> value1 </span><span class="token operator">=</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">getValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'key'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">expect</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">value1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">toBeNull</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token function" style="color:rgb(80, 250, 123)">test</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">'delete value on server'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token operator">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">// Delete two records in a same time</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">const</span><span class="token plain"> res </span><span class="token operator">=</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">deleteValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token string" style="color:rgb(255, 121, 198)">'preset-key'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'preset-key1'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">expect</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">res</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">toBe</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">// Delete not existing record</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">const</span><span class="token plain"> res1 </span><span class="token operator">=</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">await</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">deleteValue</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token string" style="color:rgb(255, 121, 198)">'key'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">expect</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">res1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">toBe</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">0</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre></div></div>
|
||
</li>
|
||
</ol>
|
||
<h2 class="anchor anchorWithStickyNavbar_JmGV" id="running-tests">Running tests<a href="#running-tests" class="hash-link" aria-label="Direct link to Running tests" title="Direct link to Running tests"></a></h2>
|
||
<p>When running Testcontainers for the first time, ensure that you run your tests in <code>DEBUG</code> mode by using this command:</p>
|
||
<div class="language-bash codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-bash codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token plain">$ </span><span class="token assign-left variable" style="color:rgb(189, 147, 249);font-style:italic">DEBUG</span><span class="token operator">=</span><span class="token plain">testcontainers* </span><span class="token function" style="color:rgb(80, 250, 123)">npm</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">test</span><br></span></code></pre></div></div>
|
||
<p>Then, you should be able to see lines similar to the ones below:</p>
|
||
<div class="language-text codeBlockContainer_mQmQ theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_t_Hd"><pre tabindex="0" class="prism-code language-text codeBlock_RMoD thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_AclH"><span class="token-line" style="color:#F8F8F2"><span class="token plain">testcontainers [DEBUG] Loading ".testcontainers.properties" file...</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">testcontainers [DEBUG] Loaded ".testcontainers.properties" file</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">testcontainers [DEBUG] Found custom configuration: dockerHost: "unix:///run/user/1000//podman/podman.sock</span><br></span></code></pre></div></div>
|
||
<p>Those lines indicate that Testcontainers found the configuration file, and the containers are created on the Podman engine instead of Docker.</p>
|
||
<h2 class="anchor anchorWithStickyNavbar_JmGV" id="conclusion">Conclusion<a href="#conclusion" class="hash-link" aria-label="Direct link to Conclusion" title="Direct link to Conclusion"></a></h2>
|
||
<p>This tutorial provides a basic step-by-step walkthrough using the Testcontainers technology to run a <a href="https://redis.io/" target="_blank" rel="noopener noreferrer">Redis</a> server with Podman. More examples can be found in the guides of <a href="https://testcontainers.com/guides/" target="_blank" rel="noopener noreferrer">Testcontainers</a>. If you encounter any problems, feel free to open an issue on Podman Desktop's <a href="https://github.com/podman-desktop/podman-desktop/issues" target="_blank" rel="noopener noreferrer">GitHub</a>.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="row margin-top--sm theme-doc-footer-tags-row"><div class="col"><b>Tags:</b><ul class="tags_Ow0B padding--none margin-left--sm"><li class="tag_DFxh"><a rel="tag" class="tag_otG2 tagRegular_s0E1" href="/tutorial/tags/podman">podman</a></li><li class="tag_DFxh"><a rel="tag" class="tag_otG2 tagRegular_s0E1" href="/tutorial/tags/podman-desktop">podman-desktop</a></li><li class="tag_DFxh"><a rel="tag" class="tag_otG2 tagRegular_s0E1" href="/tutorial/tags/containers">containers</a></li><li class="tag_DFxh"><a rel="tag" class="tag_otG2 tagRegular_s0E1" href="/tutorial/tags/testcontainers">testcontainers</a></li><li class="tag_DFxh"><a rel="tag" class="tag_otG2 tagRegular_s0E1" href="/tutorial/tags/tests">tests</a></li></ul></div></div></footer></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/tutorial/getting-started-with-compose"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Getting started with Compose</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_XG6w thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#common-use-cases-with-testcontainers" class="table-of-contents__link toc-highlight">Common use cases with Testcontainers</a></li><li><a href="#setup-testcontainers-with-podman" class="table-of-contents__link toc-highlight">Setup Testcontainers with Podman</a></li><li><a href="#creating-a-project" class="table-of-contents__link toc-highlight">Creating a project</a></li><li><a href="#running-tests" class="table-of-contents__link toc-highlight">Running tests</a></li><li><a href="#conclusion" class="table-of-contents__link toc-highlight">Conclusion</a></li></ul></div></div></div></div></main></div></div></div><footer class="theme-layout-footer footer"><div class="container container-fluid"><div class="row footer__links"><div class="theme-layout-footer-column col footer__col"><div class="footer__title">Documentation</div><ul class="footer__items clean-list"><li class="footer__item"><a class="footer__link-item" href="/docs/installation">Installing Podman Desktop</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/migrating-from-docker">Migrating from Docker</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/kubernetes">Working with Kubernetes</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/troubleshooting">Troubleshooting</a></li></ul></div><div class="theme-layout-footer-column col footer__col"><div class="footer__title">Links</div><ul class="footer__items clean-list"><li class="footer__item"><a href="https://github.com/podman-desktop/podman-desktop" target="_blank" rel="noopener noreferrer" class="footer__link-item">GitHub<svg width="13.5" height="13.5" aria-hidden="true" class="iconExternalLink_nPrP"><use href="#theme-svg-external-link"></use></svg></a></li><li class="footer__item"><a href="https://discord.com/invite/x5GzFF6QH4" target="_blank" rel="noopener noreferrer" class="footer__link-item">Chat (bridged): #podman-desktop on Discord<svg width="13.5" height="13.5" aria-hidden="true" class="iconExternalLink_nPrP"><use href="#theme-svg-external-link"></use></svg></a></li><li class="footer__item"><a href="https://github.com/podman-desktop/podman-desktop#communication" target="_blank" rel="noopener noreferrer" class="footer__link-item">Other ways to Communicate<svg width="13.5" height="13.5" aria-hidden="true" class="iconExternalLink_nPrP"><use href="#theme-svg-external-link"></use></svg></a></li><li class="footer__item"><a href="https://github.com/orgs/podman-desktop/projects/4/views/3" target="_blank" rel="noopener noreferrer" class="footer__link-item">Current Sprint<svg width="13.5" height="13.5" aria-hidden="true" class="iconExternalLink_nPrP"><use href="#theme-svg-external-link"></use></svg></a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">
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<p class="mb-1">We are a <a href="https://cncf.io/" class="underline">Cloud Native Computing Foundation</a> sandbox project.</p>
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<p class="mb-1">© Copyright Podman Desktop Contributors 2025. © 2025 The Linux Foundation. All rights reserved.</p>
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