<ol>
<li>For running all the test cases in your project</li>
</ol>
<pre><code class="lang-plaintext">npm run test
</code></pre>
<ol>
<li>If you want to run just one test file then use below command</li>
</ol>
<pre><code class="lang-plaintext">npm run test -- --testFile=&lt;filename&gt;
</code></pre>
<ol>
<li>If you want to take some action after running &amp; going through all your testcases, for example you want to update your failed snapshots, or want to run failed test cases watch gives use some options at the end</li>
</ol>
<pre><code class="lang-plaintext">npm run test -- --watch=true
</code></pre>
<ol>
<li>If you just want to update your failed snapshots then below command will help</li>
</ol>
<pre><code class="lang-plaintext">npm test -- -u
</code></pre>
<ol>
<li>If you are on a particular testcase &amp; would want to run only that particular test, from the whole file then "only" command is available for you</li>
</ol>
<pre><code class="lang-plaintext">eg: test.only("should receive success response on load",() =&gt;())
</code></pre>
Similarly if there is some test case, which is failing due to some reason &amp; you would want to skip it, then add skip to that test
<pre><code class="lang-plaintext">eg: test.skip("should receive some response on load",() =&gt;())
</code></pre>
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1. For running all the test cases in your project
 

```plaintext
npm run test
```

1. If you want to run just one test file then use below command
 

```plaintext
npm run test -- --testFile=<filename>
```

1. If you want to take some action after running & going through all your testcases, for example you want to update your failed snapshots, or want to run failed test cases watch gives use some options at the end
 

```plaintext
npm run test -- --watch=true
```

1. If you just want to update your failed snapshots then below command will help
 

```plaintext
npm test -- -u
```

1. If you are on a particular testcase & would want to run only that particular test, from the whole file then "only" command is available for you
 

```plaintext
eg: test.only("should receive success response on load",() =>())
```

Similarly if there is some test case, which is failing due to some reason & you would want to skip it, then add skip to that test

```plaintext
eg: test.skip("should receive some response on load",() =>())
```

If you want to learn more follow about Javascript & React, follow below Instagram page [JS Fundamentals](https://www.instagram.com/jsfundamentals?igshid=YmMyMTA2M2Y)

Happy to connect with you

[Twitter](twitter.com/am_ruchika) [LinkedIn](linkedin.com/notifications/ruchika_sood)

Know useful commands for writing test cases in react. It will make things easy

5 useful commands for writing test cases in react!!!