### How to test a single file using Jest?

Sometimes, we want to test a single file using Jest.

In this article, we’ll look at how to test a single file using Jest.

### How to test a single file using Jest?

To test a single file using Jest, we can specify the test file path after the jest command.

For instance, we run

``````npm test -- test.spec.js
``````

assuming the `test` script runs `jest`.

`test.spec.js` is the path to the test file.

### Conclusion

To test a single file using Jest, we can specify the test file path after the jest command.