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Jest @fbjest London, England

🃏 Delightful JavaScript Testing.

26 Following   14,407 Followers   653 Tweets

Joined Twitter 5/8/14


Jest 26: Tick Tock was just released. https://t.co/WiN8WwzoGR https://t.co/mwLhinQB1M
5/5
2020
Jest 25 is out with performance improvements, v8 code coverage, improved focus on iteration cycles and color improv… https://t.co/fwcqxFoWME
1/22
2019
🔥 NEW 🔥 Episode 121 - React Native Open Source & the React Native Community feat. @cpojer Also feat. @dabit3 &… https://t.co/EAlYUYGuvr
Retweeted by Jest
5/1
2019
Check out Jest 24 with tons of new features and a sweet new website made by the community. https://t.co/rKMHw46naH
1/25
2018
Jest update: we just published a new version of jest@beta which includes switching Jest core over to Babel 7 🎉 We'… https://t.co/1lLLY0XsI8
Retweeted by Jest
12/19
2018
IMO the most underrated metric from the #stateofjs 2018 survey was this. 18% - the highest jump in developer happin… https://t.co/7Sm7C5ngoU
Retweeted by Jest
12/5
2018
Jest now has a documentation page about its architecture. Which other parts of Jest would you like to learn more ab… https://t.co/6kNAnzS3npAn @fbjest inline snapshot says more than a thousand lines of test code. Best feature ever! https://t.co/B1sfrWGMuE
Retweeted by Jest @benprofit We do! What’s not delightful about a friendly jester?
12/3
2018
I made an @fbjest test runner that can run tests in @electronjs (with real DOM and everything)… https://t.co/v7MQ3Cwi8O
Retweeted by Jest
11/26
2018
Watch @cpojer, supported by @rickhanlonii and @RubenNorte, give an overview of Jest’s architecture. https://t.co/uMCybBqspR
Retweeted by JestWatch @cpojer, supported by @rickhanlonii and @RubenNorte, give an overview of Jest’s architecture. https://t.co/uMCybBqspR
11/20
2018
Coming tomorrow: Jest architecture overview with @cpojer🍾 @fbjest won the #StateOfJS 2018: Highest Satisfaction Award!! https://t.co/17ieNFp52e https://t.co/wz4VhIpmUw
Retweeted by Jest
11/19
2018
Just published a new version of `jest-runner-eslint` for @fbjest. It comes with its own watch plugin for using `--f… https://t.co/y1qsdr1WJM
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10/21
2018
🎉 Announcing jest-watch-master 🎉 @fbjest watch mode plugin for quickly checking changes since master Github:… https://t.co/KyOnJryLT2
Retweeted by Jest
9/12
2018
Just published rollup-plugin-terser v2 and rollup-plugin-uglify v5. Every chunk is processed in worker which signi… https://t.co/3ibSvelaeC
Retweeted by Jest
9/2
2018
Jest 23.5 now supports .each statements: lay out multiple scenarios in a tabular format! Much more concise and read… https://t.co/A4BlIpIxDC
Retweeted by JestNow when I type "face" in my URL bar and hit enter, my browser goes to @fbjest documentation instead of… https://t.co/ttVKRuzAlw
Retweeted by Jest🎉Jest Testing Patterns - my talk from @jsconfit is now live! ✅reasons to love jest ? ✅immersive watch mode ? parall… https://t.co/dbqgr8e8IV
Retweeted by Jest
8/15
2018
I published "Demystifying Jest Async Testing Patterns" 🎉🤓 https://t.co/3mSPz32jJ5 #jest #javascript #testinghttps://t.co/itetG0ZFKJ
Retweeted by Jest
8/13
2018
Few days ago, I was exploring @fbjest and all was good until I encountered Snapshot testing. The doc doesn't ment… https://t.co/0zMrGC5ZvS
Retweeted by Jest
8/8
2018
My favorite command recently <3 https://t.co/vzhcgmQ0iF
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8/3
2018
Wowww Jest's new inline snapshot matcher means that writing Redux reducer tests is SO EASY now. The template string… https://t.co/NO3l14GdvH
Retweeted by JestI always write regex in javascript with @fbjest in mind to test it so it wont break. I call it "Jest Driven Regex D… https://t.co/r7yKASybn3
Retweeted by Jest
7/19
2018
Reasons to Love Jest: The Developer Experience 💜 ✅ the logo? ✅ diff expected & actual assertions ✅ relaxed test co… https://t.co/5nMnvMKukD
Retweeted by Jest
7/4
2018
I’ve added more docs to the @fbjest type definitions - so we should have more inline references with example code i… https://t.co/Klw2l7uKqH
Retweeted by Jest
6/30
2018
I actually noticed how deep this is baked in when I filed some issues on @fbjest for something I considered a bug.… https://t.co/nKAfgWRmDq
Retweeted by JestJust published: Supporting open source with the Jest Open Collective by @rickhanlonii https://t.co/jdahP6b7ph
6/28
2018
Want to use @fbjest in your @angular project? @JesseS_BrieBug over at @BrieBugSoftware just announced a CLI addin t… https://t.co/7QAuBIoJ3v
Retweeted by JestThis PR (landed in @fbjest) introduces a new feature to Jest that allows you to re-run failed tests automatically n… https://t.co/If5TMKSAQW
Retweeted by Jest @myspivey @josepheames @fbjest @angular @BrieBugSoftware Just made it public... https://t.co/BjaOuOnrwr
Retweeted by Jest
6/27
2018
@cpojer @jamespearce @fbOpenSource @fbjest @shaver I just found the thread where we iterated on the logo. Here’s th… https://t.co/TN6gDd0LZe
Retweeted by JestReminiscing about the old @fbOpenSource days. I had about five minutes to make a temporary @fbjest logo for… https://t.co/w2mXZv1tXw
Retweeted by Jest
6/26
2018
Often see people writing super complicated tests because they don’t know they can mock out any components with Jest… https://t.co/bCLTLg4BHR
Retweeted by JestMy slides for my talk about #testing with @fbjest @enterjsconf #ejs18 https://t.co/hpcLiSTUbQ
Retweeted by Jest
6/22
2018
Jest: Frontend Testing leicht gemacht by @holgerGP @enterjsconf #ejs18 #katjasays #sketchnotes #jest #testinghttps://t.co/yogKEwvhiW
Retweeted by Jest❤️ Reasons to Love Jest: The Test Framework I enjoy writing tests, but Jest takes it to a whole new level. The fir… https://t.co/GoYFuF9OTg
Retweeted by JestSee how you can make jest run anything (including go and python 😱) https://t.co/jVaOHLCBlO
Retweeted by Jest
6/21
2018
❤️ Reasons to Love Jest: The Test Framework I enjoy writing tests, but Jest takes it to a whole new level. The fir… https://t.co/mUgcjYaTzu
Retweeted by Jest
6/20
2018
The next version of `jest-runner-eslint` will come with its own watch plugin for @fbjest. It will allow for ephemer… https://t.co/xXkgRFPGDy
Retweeted by Jest
6/8
2018
Hey, @WebStormIDE That's an awesome @fbjest integration! (Clicking the camera navigates to the snapshot file corres… https://t.co/fv5CzEYBMb
Retweeted by Jest
6/7
2018
Majestic 1.0 (UI for @fbjest) is shaping up pretty well. Excited to ship this soon 🤞. The dark theme is inspired by… https://t.co/34WKwJbEMW
Retweeted by Jest
6/6
2018
@aaronabramov_ @brian_d_vaughn @AtomEditor #blazingmeansgood
6/3
2018
made a custom @fbjest runner that spawns a bunch of electrons and runs @AtomEditor tests https://t.co/W0DMN1PFvU
Retweeted by JestInline snapshots are coming by @lucasazzola "This only took me four hours to implement" Holy shit! https://t.co/O2spAoXL0d
Retweeted by Jest
6/2
2018
Whoa, didn’t realize @fbjest made matcher suggestions like this ✨ https://t.co/UDzk40wVjH
Retweeted by Jest
6/1
2018
@wldcordeiro @flowtype Please do! We designed it with hopes of your contributions in mind :)
5/31
2018
YES YES YES YES!!!! jest-watch-typeahead!!!!! https://t.co/qOD1vp4ULB
Retweeted by JestHoly cow! https://t.co/LGAlSSCHSb https://t.co/kr4On9AsYd
Retweeted by Jest @jasonlaster11 @montogeek @left_pad Roll your own reporters! Nothing stands in your way.Learn to use the new property matcher feature for snapshot tests in @fbjest with my latest @eggheadio lesson: https://t.co/VAyvIhlxKU
Retweeted by JestJust released `jest-watch-typeahead`, a watch mode plugin for @fbjest which brings back typeaheads 🙃… https://t.co/NBb4qgcDr5
Retweeted by JestJust published `jest-watch-select-projects`, a watch mode plugin for selecting which @fbjest projects to run.… https://t.co/LPIAR8IBVk
Retweeted by JestToday my little node module jest-junit gets to join the jest-community org! So happy about this. https://t.co/5zHffLoQkd
Retweeted by JestJest 23: 🔥 Blazing Fast Delightful Testing All of the new features, gifs, summit, videos and hashtags are summed u… https://t.co/s656WFhCYpWatch the talks from our Delightful JavaScript Testing with Jest event and hear all about the new features in Jest… https://t.co/BI0tX9AGiF
5/30
2018
@CheapSteak @aaronabramov_ We are working on it!
5/29
2018
I gave my first talk yesterday at the @fbjest summit 🎉 Thanks so much for having me! It was a pleasure to meet eve… https://t.co/DCUKGFqn7j
Retweeted by Jestlol, *digitalizeComprehensive architecture overview of Jest by @cpojer at the Jest Summit. @rickhanlonii will Digitaluhr and share… https://t.co/keXUvFBGzyI’ve updated my @fbjest cheat sheet with Jest 23 new features: * data-driven tests * snapshot property matchers… https://t.co/5kaxFmQ7XC
Retweeted by Jest @fbjest Jest release days are my favorite days
Retweeted by Jest
5/25
2018
Spent a whole day writing @fbjest tests and then followed it up with at a #jest meetup. 😎
Retweeted by Jest @fbjest today I attended one of the most amazing meet up in London about testing with Jest. Lot of good hints and g… https://t.co/XSO3SPSCYT
Retweeted by JestAwesome @fbjest meetup this evening, super insightful, heaps of fun, and got to pick the brains of the amazing cont… https://t.co/pjYoCM8mPt
Retweeted by JestFinally, all the (breaking) changes, features, bug fixes and improvements can be found in the changelog:… https://t.co/yK21gYR12ACheck out the subtle improvements to (async) stack traces we added to highlight what's wrong, and the improvements… https://t.co/r2l2UjxaBJNext up: Jest is not exiting cleanly? It will now tell you to re-run with `--detectOpenHandles` and give you a stac… https://t.co/35AQ8m4oq6Next up: test/it received an `.each` function for data driven tests. @PrettierCode even pretty-prints the template… https://t.co/pw3gl4BKgCFinally for snapshots in Jest 23, the new snapshot property matchers will allow you to mask data cleanly so snapsho… https://t.co/kEf1Rkfhe1Got any new, updated, failed or obsolete snapshots? The summary is gonna be a lot prettier and provide more informa… https://t.co/EerGmmXwQ1Here is how the interactive snapshot update mode works in Jest 23. Take control of individual updates of snapshots… https://t.co/8cqhb46tbqJest 23 is out with blazing good snapshot features. https://t.co/RZys7czyeiHere is @aaronabramov_ talking about how to write meaningful tests. We are recording all talks and will share them… https://t.co/sncnvYbJq4.@fbjest is now on @opencollect: https://t.co/5W1jdgsqMB 🔥 https://t.co/aJcqIU9CED
Retweeted by JestI'm happy to share that @fbOpenSource and @fbjest are now on @opencollect to build a sustainable community of Faceb… https://t.co/pN4pDbuW5F
Retweeted by Jest @gozes Yes!The Jest team is waiting to kick off the event. Are you ready for this? https://t.co/8kOLW4vQtLToday is the first day of the Jest Core Contributor Summit. We are excited to announce a couple of majestic things… https://t.co/UNwuMhUhhB
5/24
2018
@oshimayoan Unfortunately not.Here is our awesome agenda for Thursday's event. If you are signed up and can't make it, please return your ticket… https://t.co/DMbFBsrorB
5/21
2018
@alexandereardon @babeljs @webpack @code @geteslint @flowtype @RollupJS No order but Jest is still the first one th… https://t.co/Zy17eoDQId
5/15
2018
This event is now full. If you can’t make it, please give your ticket to somebody else. In the meantime we are work… https://t.co/uBx8ogax65Don’t miss the opportunity to get in touch with the awesome @fbjest contributors, come join us on the 24th of May:… https://t.co/TGx41921yr
Retweeted by Jest🌟 My @fbjest cheat sheet has 800 stars! https://t.co/K0WNYR2ck5
Retweeted by Jest
5/14
2018
Come one, come all! The core team is coming to London! 🎉🎪🎉 https://t.co/yV1BhCmzoL
Retweeted by JestI’ll be in London later this month. Come hang out if you you’re interested in JavaScript testing! https://t.co/EO1IyhG5I4
Retweeted by JestAre you in London on May 24th? Join us for a night about Delightful JavaScript Testing with Jest's Open Source Core… https://t.co/gDdEgS8qUq
5/11
2018
Just published a small npm module to mock the @apollographql client on the frontend so you can wrap your tests in a… https://t.co/KKGRYUzjBj
Retweeted by JestJest has become the most popular testing tool, with 22.29% of respondents saying that they use it. Amazingly, this… https://t.co/AthF3jr9hf
Retweeted by Jest
5/10
2018
@oriSomething How so? @niieani Jest calls it received and expected, unless you are not using Jest’s own “expect” module.
5/9
2018
@Tim_Kraut Do you wanna help us out by sending a pull request to improve the mocking documentation? @johnste_ I don’t know, I’m running as fast as I can 🏃🏽‍♂️ maybe try —runInBand? @deanshub Coming in the next version of watch mode for Jest.
5/8
2018
@fold_left You can already do that with Node’s debugger and —runInBand @lincolnnathan21 That should be possible. Let’s discuss this on StackOverflow! @fbjest Do I use a regex or a glob? An array of strings or just a string? When should I use the setupFiles or setu… https://t.co/got6hgZYeE
Retweeted by Jest @fbjest the coverage view can go very fast very messy. Maybe something like grouping some components together and o… https://t.co/ehUDt2OB7k
Retweeted by Jest
5/7
2018

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