[Feature]: report beginning of every `test` or `it` via reporter API

[segrey]

🚀 Feature Proposal

Now Reporter API reports the result of every test or it, but there are no events for beginning of each test or it.

Related discussion in #6616

Motivation

Reporting the beginning of each test/it would allow external tools (like IDEs) to provide more fine-grained support for test trees. For example, it would allow to attach test output (e.g. produced by console.log) properly to test nodes. Right now all the output wrongly goes to an ancestor node corresponing to the test file containing test/it. In particular, it would allow to fix https://youtrack.jetbrains.com/issue/WEB-53839.

For example, here is how it looks when running with jest@28 the following test file

it('foo', function () {
    console.log('foo');
});
it('bar', function () {
    console.log('bar');
});

when foo or bar test nodes are selected, no output is shown:

Here is how it's expected to work (captured with jest@27 and "testRunner": "jasmine2"):

Example

No response

Pitch

Looks like some changes in jest-circus and jest-reporter are needed.

[segrey]

@SimenB What do you think?

[github-actions[bot]]

This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 30 days.

[Ariane-B]

Bad robot.

[SimenB]

Happy to take a PR adding this! 🙂

[DmitryMakhnev]

Hey @SimenB,

I have made a pull request to implement this feature request. Could you please suggest who I should ask for a review?

Thanks 🙏

[github-actions[bot]]

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