feat: add `test.failing` method #12610

michalwarda · 2022-03-27T13:18:14Z

Summary

This fixes #4627. In certain scenarios ie. when writing code in BDD way developers would like to write down a more broad test that fails purposefully, and later as soon as it passes it should inform that it can now be marked as not failing anymore.
Feature itself is heavily inspired by RSpec pending tests.

Test plan

Added both unit and e2e tests for the feature. Everything should be covered :).

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SimenB

This all looks great to me, thanks! We're missing type tests, a changelog entry and signing the CLA, hopefully those are quick 🙂

However, as you mention in #4627 (comment), this doesn't use TestMode. I don't really understand why it's not possible to do so now? I don't think we need only and skip modifiers on a .failing test - people should just change the modifier in that case.

mrazauskas · 2022-03-29T08:27:41Z

@michalwarda The type tests live here. You can run them with yarn test-types (just remember to build before). Please, do ping me if something is puzzling.

michalwarda · 2022-04-06T06:35:37Z

Sorry had a busy week! I'll try to finish the PR during the weekend or at the start of next week!

zpao · 2022-04-18T23:50:13Z

Poking to trigger CLA status check

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Thank you for signing our Contributor License Agreement. We can now accept your code for this (and any) Meta Open Source project. Thanks!

SimenB · 2022-04-21T11:36:14Z

This isn't breaking, so removing it from the milestone

michalwarda · 2022-04-26T17:28:15Z

Ok! I've finished adding type specs!
Similarly I've added the docs to changelog. Wish I was faster to land in 28 but I'll do my best to at least land in the next one!

Answering the feedback below:

This all looks great to me, thanks! We're missing type tests, a changelog entry and signing the CLA, hopefully those are quick slightly_smiling_face

However, as you mention in #4627 (comment), this doesn't use TestMode. I don't really understand why it's not possible to do so now? I don't think we need only and skip modifiers on a .failing test - people should just change the modifier in that case.

I think it's important that a user can skip a failing test.
If ie. someone is trying to debug the failing test because it's passing for some reason then adding a only to it rather than replacing failing with only will keep the behavior as it was. Otherwise it might be a bit confusing.
Similarly because the code in a failing test is "running" then a user might want to add a skip to a failing test because he is debugging another one.

And 1 more thing I noticed is that a new concurrent modifier is being added to the Global.It. I think it is in conflict with my changes. I did not try to make it work with that because I'm not sure how it's supposed to work yet :D

packages/jest-types/__typetests__/globals.test.ts

docs/GlobalAPI.md

michalwarda · 2022-04-26T17:53:22Z

And 1 more thing. I'm NGL I have no idea how to implement it in jest-jasmine2. I think I would need an intro to do that

SimenB · 2022-04-26T17:54:37Z

Don't bother with jasmine, it's fine to just handle circus for now 👍

docs/GlobalAPI.md

michalwarda · 2022-04-29T17:02:23Z

Hey! Not sure about what should I do now, if we're waiting for a good moment for merge then cool! If you need me to do anything else about the pr hit me up with the request :) and I'll clean it up more :). I have my weekend empty and I can probably manage to fit in some time for changes :)

Also, if you're open to it I was thinking about a potential restructuring to the whole binding of flags like failing or concurrent to tests that might clean up the code because it's quickly getting out of hand how it's being used. I was thinking about using Proxy objects for that. I can prepare an example of that if you're interested in it at all.

SimenB · 2022-04-29T17:21:50Z

Sorry, missed your last push! Triggered CI now, will review tomorrow (CET) 🙂

SimenB · 2022-04-30T07:17:45Z

I can prepare an example of that if you're interested in it at all.

Definitely! A separate PR, but it sounds interesting 🙂

SimenB

looking really good!

docs/GlobalAPI.md

e2e/__tests__/__snapshots__/testFailing.test.ts.snap

e2e/__tests__/testFailing.test.ts

docs/GlobalAPI.md

SimenB · 2022-04-30T07:26:36Z

docs/GlobalAPI.md

@@ -731,6 +731,60 @@ test.each`
 });


oh, and test.concurrent.failing should work

Ok. I think I've managed to cover this! Though I'm not sure how to document it because it will be at least another few cases in README. test.concurrent.failing, test.concurrent.skip.failing, test.concurrent.only.failing.

Should I add all of those? If so do we want it to say like Works like test.failing but concurrently? Or a whole copy of description?

I agree we should refactor these docs to not mention every variant, but rather which modifiers are compatible with each other. Not sure how to best do that though, maybe we can leave it for a follow-up?

SimenB · 2022-05-02T06:35:12Z

@michalwarda ping 🙂 I really wanna get this over the line and release it 😀

e2e/test-failing/__tests__/worksWithConcurrentMode.test.js

e2e/test-failing/__tests__/worksWithConcurrentOnlyMode.test.js

michalwarda · 2022-05-05T11:13:40Z

docs/GlobalAPI.md

@@ -731,6 +731,60 @@ test.each`
 });


Ok. I think I've managed to cover this! Though I'm not sure how to document it because it will be at least another few cases in README. test.concurrent.failing, test.concurrent.skip.failing, test.concurrent.only.failing.

docs/GlobalAPI.md

packages/jest-types/__typetests__/globals.test.ts

michalwarda · 2022-05-05T14:35:33Z

@SimenB

@michalwarda ping slightly_smiling_face I really wanna get this over the line and release it grinning

I also wish to do that :D. If I'm not mistaken the last thing left to do is potentially add description about failing for concurrent and decide if we want to go with failing each.

Though for the failing.each part I would wait both from technical perspective, (as I mentioned, I have an idea on how to make it much cleaner to define those "modes" so that it will be more readable), and from documentation perspective I think we would need to decide on how to document those nested modes in a way that failing will not have to be mentioned for each variant.

packages/jest-jasmine2/src/jasmineAsyncInstall.ts

SimenB

thank you! I think the issue this fixed is almost the first one I submitted 😅 Very happy to see it land!

I think we can keep docs tweak for later

packages/jest-jasmine2/src/jasmineAsyncInstall.ts

Co-authored-by: Tom Mrazauskas <tom@mrazauskas.de>

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michalwarda added 3 commits March 27, 2022 13:59

Add purposefully failing test case.

b8a31ce

Handle failing with only and skipped

b48dc98

Add documentation about failing tests

e5516b3

michalwarda mentioned this pull request Mar 27, 2022

Feature: Purposefully failing test (test.failing) #4627

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SimenB requested changes Mar 29, 2022

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SimenB added this to the Jest 28 milestone Apr 6, 2022

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SimenB modified the milestones: Jest 28, High priority future Apr 21, 2022

michalwarda and others added 3 commits April 26, 2022 18:28

Add failing to types

7547ebe

Add info about failing to changelog

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Merge branch 'main' into main

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michalwarda force-pushed the main branch from 0ac1eee to 839964c Compare April 26, 2022 16:53

michalwarda requested a review from SimenB April 26, 2022 17:19

mrazauskas reviewed Apr 26, 2022

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michalwarda force-pushed the main branch from ee1db56 to 774358d Compare April 26, 2022 17:31

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michalwarda force-pushed the main branch from 774358d to c29e59f Compare April 26, 2022 19:18

Add missing specs and docs for skipping with different aliases

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SimenB added 3 commits April 30, 2022 09:15

Merge branch 'main' into michalwarda_main

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snapshot

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move changelog entry

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correct changelog link

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michalwarda and others added 5 commits May 5, 2022 10:35

Add another point to README for failing test.

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Add skipping failing functionality with jasmine

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Add skipping failing functionality to concurrent

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Merge branch 'facebook:main' into main

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Add type tests for concurrent functions

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michalwarda commented May 5, 2022

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Fix typos in tests

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michalwarda and others added 2 commits May 6, 2022 11:32

Throw when trying to use failing in jasmine

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fix codeframe

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throw error for failing in jasmine

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SimenB and others added 2 commits May 6, 2022 12:08

Update packages/jest-jasmine2/src/jasmineAsyncInstall.ts

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Co-authored-by: Tom Mrazauskas <tom@mrazauskas.de>

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SimenB changed the title ~~Add test.failing method.~~ feat: add test.failing method May 6, 2022

SimenB merged commit 34d15d1 into jestjs:main May 6, 2022

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feat: add `test.failing` method #12610

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feat: add test.failing method #12610

feat: add test.failing method #12610

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Summary

Test plan

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feat: add `test.failing` method #12610

feat: add `test.failing` method #12610

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