Updating snapshots is not working in watch mode

[rogeliog]

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

What is the current behavior?
Pressing u in watch mode does not update the snapshots, but it works when passing -u in non watch mode.

What is the expected behavior?
Snapshots should update

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

Master at this commit 6517c7b

I think it broke after #3289 cc: @cpojer

[cpojer]

yap, that might have been me :)

[thymikee]

This is happening because now we have 2 configs: config and hasteContext.config and some of the dynamic properties (like updateSnapshot) don't get copied to hasteContext.config.

So, experimentally, adding something like this in runJest helps:

if (config.updateSnapshot === true) {
  hasteContext.config.updateSnapshot = true;
}

but that's certainly not a good solution. Why these 2 configs differ now anyways, shouldn't we keep them in sync until we have shared/project configs?

[cpojer]

@thymikee that workaround is good for now. I will address this in a follow-up to the multi-config runner PR as we discussed when I'll make the split for SharedConfig and ProjectConfig. Mind sending a PR with the change you proposed (+ a test!) so that I can fix it properly for Jest 20? :)

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