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How to run a single test file from command line with Karma and JavaScript?

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Sometimes, we want to run a single test file from command line with Karma and JavaScript.

In this article, we’ll look at how to run a single test file from command line with Karma and JavaScript.

How to run a single test file from command line with Karma and JavaScript?

To run a single test file from command line with Karma and JavaScript, we can run a few commands.

First, we run

karma start

to start the Karma test server.

Then we run

karma run -- --grep=testDescriptionFilter

to run the test with the testDescriptionFilter text in the string that we call describe with to run those tests.

Conclusion

To run a single test file from command line with Karma and JavaScript, we can run a few commands.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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