babel-jest does not vary cache by babel environment variables

[Met48]

Do you want to request a feature or report a bug?

Bug.

What is the current behavior?

Project uses babel-jest and has a .babelrc with configuration for the test env. The initial run of Jest used a non-test NODE_ENV and failed since the right babel transforms were not applied. After setting NODE_ENV=test, the tests continued to fail with the same error. Adding --no-cache temporarily fixes the error.

What is the expected behavior?

That the cache would vary by the environment variables babel checks, including NODE_ENV and BABEL_ENV.

Please provide your exact Jest configuration and mention your Jest, node, yarn/npm version and operating system.

Empty Jest config.

Jest v20.0.4
Node v6.9.5
Yarn 0.23.4
NixOS 17.03

[thymikee]

What do you think @cpojer?

[cpojer]

Should probably be included in the cache, yes.

…

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[ajomadlabs]

@thymikee Could I go with this ?

[thymikee]

Sure!

[ajomadlabs]

@thymikee Since it's my first contribution, could you help me where to get started off

[thymikee]

Here you'll find how babel-jest calculates the cache key:
https://github.com/facebook/jest/blob/0285e63e903abbab9c323341e62eb68b29acd87e/packages/babel-jest/src/index.js#L85-L105

Looks like we also need to include information about NODE_NEV and BABEL_ENV (not sure about that though)

[njgraf512]

Appears to have been fixed by #3376

[Isaddo]

I still have this problem on the latest version 23.6.0, relying on api.env() in babel.config.js to export different config.

[SimenB]

PR welcome! Shouldn't be pretty straightforward :)

[github-actions]

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