How to run single unit test?

Elastic Stack Kibana
1

I've cloned Kibana project.
I managed to run it locally and changed some code.
Now I'd like to run unit test corresponding to code I changed.
It is 'brush_event.test.js' file.
What should I do to run this test only?
I tried running it via WebStorm context menu - 'run brush_event.test.js'.
And i tried to run from terminal - 'yarn jest brush_event.test.js'.
In both cases I get the following error.

Jest encountered an unexpected token

    This usually means that you are trying to import a file which Jest cannot parse, e.g. it's not plain JavaScript.

    By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules".

    Here's what you can do:
     • To have some of your "node_modules" files transformed, you can specify a custom "transformIgnorePatterns" in your config.
     • If you need a custom transformation specify a "transform" option in your config.
     • If you simply want to mock your non-JS modules (e.g. binary assets) you can stub them out with the "moduleNameMapper" config option.

    You'll find more details and examples of these config options in the docs:
    https://jestjs.io/docs/en/configuration.html

    Details:

    C:\...\Kibana\src\ui\public\utils\__tests__\brush_event.test.js:38
    import _ from 'lodash';
    ^^^^^^

    SyntaxError: Unexpected token import

      at ScriptTransformer._transformAndBuildScript (node_modules/jest-runtime/build/script_transformer.js:403:17)
2

Hi Nikita, you can run node scripts/jest brush_event to execute just the brush_event.test.js tests. Please let me know if this helps.

CJ

3

It works.
Thank you very much!

4

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