Modern JavaScript Testing: Integration, Contract Testing & AI Tools - JSJ 692

Modern JavaScript Testing: Integration, Contract Testing & AI Tools - JSJ 692

In this episode of JavaScript Jabber, I sit down with Dan Shapir and our special guest, Yoni Goldberg, to dive deep into the ever-evolving world of JavaScript testing. Yoni, a consultant who’s worked with over 40 organizations to refine developer workflows, shares valuable lessons learned from helping teams design efficient and reliable tests.

We explore emerging trends in testing, including the rise of browser-based test runners, the shift from unit testing toward more integration and component testing, and how modern frameworks like Playwright, Vite Test Browser Mode, and Storybook are changing the way developers think about confidence in their code. We also tackle the role of AI in writing and maintaining tests, the pros and cons of mocking vs. real backends, and why contract testing is becoming essential in 2025.

If you’ve ever struggled with flaky end-to-end tests, wondered how to balance speed with confidence, or wanted a clear breakdown of modern testing tools, this conversation will give you practical insights and fresh perspectives to take back to your projects.

Links & Resources

Become a supporter of this podcast: https://www.spreaker.com/podcast/javascript-jabber--6102064/support.

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JSJ 365: Do You Need a Front-End Framework?

JSJ 365: Do You Need a Front-End Framework?

SponsorsSentry use code “devchat” for 2 months free Triplebyte $1000 signing bonus LinodePanelCharles Max WoodAimee KnightChris FerdinandiAJ O’NealJoe EamesEpisode SummaryToday the panel discusses the necessity of a front end framework. Overall, there is a consensus that frameworks are not necessary in all situations. They discuss the downsides of using frameworks, such as being restricted by the framework when doing edge development and the time required for learning a framework. They talk about the value of frameworks for learning patterns in programming. The panel delves into the pros and cons of different frameworks available. Joe shares a story about teaching someone first without a framework and then introducing them to frameworks, and the way it helped with their learning. One of the pros of frameworks is that they are better documented than manual coding. They all agree that it is not enough to just know a framework, you must continue to learn JavaScript as well. They talk about the necessity for new programmers to learn a framework to get a job, and the consensus is that a knowledge of vanilla JavaScript and a general knowledge of the framework for the job is important. New programmers are advised to not be crippled by the fear of not knowing enough and to have an attitude of continual learning. In the technology industry, it is easy to get overwhelmed by all the developments and feel that one cannot possibly learn it all. Charles gives advice on how to find your place in the development world. The show concludes with the panel agreeing that frameworks are overall a good thing and are valuable tools. LinksJWTAngularVueBackboneGoLangExpressReactReduxHyper HTML4eachPascalJQueryNpm.js Follow DevChat on Facebook and Twitter PicksCharles Max Wood:PodwrenchAimee Knight:How to Love Your Job and Avoid BurnoutSo Good They Can’t Ignore YouChris Ferdinandi:Vanilla JS toolkitThinksterArtifact ConferenceAJ O’Neal:Binary CocoaBinary Cocoa Slamorama KickstarterBinary Cocoa Straight 4RootSupport this podcast at — https://redcircle.com/javascript-jabber/donationsPrivacy & Opt-Out: https://redcircle.com/privacyBecome a supporter of this podcast: https://www.spreaker.com/podcast/javascript-jabber--6102064/support.

21 Maj 20191h 14min

JSJ 364: Ember Octane with Sam Selikoff

JSJ 364: Ember Octane with Sam Selikoff

SponsorsTriplebyte offers a $1000 signing bonusSentry use the code “devchat” for $100 creditLinodeCacheFlyPanelAJ O’NealJoined by special guest: Sam SelikoffEpisode SummaryIn this episode of JavaScript Jabber, Sam Selikoff, Co-Founder at EmberMap, Inc. starts with giving a brief background about himself and his work followed by a discussion with AJ O’Neal about the Ember community. Sam mentions some of the biggest advantages in using Ember, and what it should and should not be used for. He explains the architecture of Ember apps, addresses some of the performance concerns and then dives into Octane in detail. He talks about a bunch of Ember components, compiler compatibility, relative weight of Ember apps compared to other frameworks, the underlying build system, and security considerations. Sam then helps listeners understand the usage of ES6 classes and decorators in Ember at length. At the end, they discuss component rendering and element modifiers and move onto picks.LinksSam’s websiteSam on TwitterSam on GitHubFollow JavaScript Jabber on Devchat.tv, Facebook and Twitter.PicksAJ O’Neal:Good Mythical Morning - YouTubeSam Selikoff:The Man In the High Castle  Tailwind CSSSpecial Guest: Sam Selikoff. Support this podcast at — https://redcircle.com/javascript-jabber/donationsPrivacy & Opt-Out: https://redcircle.com/privacyBecome a supporter of this podcast: https://www.spreaker.com/podcast/javascript-jabber--6102064/support.

14 Maj 201952min

JSJ 363:  Practical JAMstack and Serverless with Gareth McCumskey

JSJ 363: Practical JAMstack and Serverless with Gareth McCumskey

SponsorsTriplebyte offers a $1000 signing bonusSentry use the code “devchat” for $100 creditLinodeCacheFlyPanelCharles Max WoodAimee KnightAJ O’NealAaron FrostJoe EamesJoined by Special Guest: Gareth McCumskeySummaryGareth McCumskey introduces JAMstack and serverless. He goes into great detail on how it works. Aimee Knight and Aaron Frost voice their concerns about going serverless. Aimee thinks it feels dirty. Aaron has concerns about the code, is it actually easier, what use cases would he use it for, and does it actually save money. Gareth addresses these concerns and the rest of the panel considers the positive and negatives of using JAMstack and serverless. Charles Max Wood asks for specific use cases; Gareth supplies many uses cases and the benefits that each of these cases.Linkshttp://herodev.com/https://thinkster.io/https://jamstack.org/https://www.mongodb.com/cloud/stitchhttps://expatexplore.com/https://serverless.com/https://www.cloud66.com/https://aws.amazon.com/dynamodb/https://twitter.com/garethmcchttps://www.facebook.com/javascriptjabberhttps://twitter.com/JSJabberPicksCharles Max Wood:Join the mailing listWatch out for new podcastsSend me defunct podcasts you love chuck@devchat.tvAimee Knight:Productivity Isn’t About Time Management. It’s About Attention Management.Quest Nutrition Protein BarsAJ O’Neal:Distant Worlds: Music from Final Fantasy by Nobuo UematsuLegend Of Zelda Concert 2018 Original Soundtrack by Never Land Orchestra  How to Diagnose and Fix Everything Electronic by Michael Jay Geier  Aaron Frost:The Go-Giver, Expanded Edition: A Little Story About a Powerful Business IdeaGareth McCumskey:https://www.finalfantasyxiv.com/Steam Play on LinuxJoe Eames:Expanding your horizonsSeven Languages in Seven Weeks: A Pragmatic Guide to Learning Programming LanguagesSeven More Languages in Seven Weeks: Languages That Are Shaping the Futurehttps://elm-lang.org/Special Guest: Gareth McCumskey. Support this podcast at — https://redcircle.com/javascript-jabber/donationsPrivacy & Opt-Out: https://redcircle.com/privacyBecome a supporter of this podcast: https://www.spreaker.com/podcast/javascript-jabber--6102064/support.

7 Maj 20191h 10min

JSJ 362:  Accessibility with Chris DeMars

JSJ 362: Accessibility with Chris DeMars

SponsorsSentry use code “devchat” for 2 months free Triplebyte $1000 signing bonus PanelCharles Max WoodAimee KnightChris FerdinandiAJ O’NealJoe EamesJoined by Special Guest: Chris DeMarsEpisode Summary Special guest Chris DeMars is from Detroit, MI. Currently, he works for Tuft and Needle and is an international speaker, Google developer expert, Microsoft mvp, and web accessibility specialist. He comes from a varied work background, including truck driving and other non-tech jobs.    Today the panel discusses web accessibility for people with disabilities. According to a study done by WebAIM, 97.8% of homepages tested had detectable WCAG 2 failures. The panel discusses why web accessibility is doing so poorly. Chris talks about some of the biggest mistakes he sees and some very simple fixes to make sites more accessible. Chris talks about the importance of manual testing on screen readers and emphasizes that it is important to cover the screen to make sure that it really works with a screen reader. Chris talks about some of the resources available for those who wish to increase accessibility on their sites.   The team discusses tactics for prioritizing accessibility and if there is a moral obligation to make sites accessible to those with disabilities. Chris talks about his experience making accessibility a priority for one of the companies he worked for in the past. They discuss the futue of legal ramifications for sites that do not incorporate accessibility, and what responsibility falls on the shoulders of people who regularly use assistive devices to notify companies of issues. They finish the show with resources available to people who want to learn more. LinksThe DOMSemantic markup writingsAlt attributeAxe by DeQue BootstrapAria lableWebAim study Follow DevChat on Facebook and Twitter PicksCharles Max Wood:LootCrateAimee Knight:Implementing Git in Python tutorialChris Ferdinandi:"Fighting Uphill" by Eric Bailey“The Web We Broke” by Ethan Marcotte AllBirds sneakers NewsletterAJ O’Neal:Golang Channel vs Mutex vs WaitGroupNobuo UematsuThe Best Way to Tin Enameled WireJoe Eames:Gizmos board gameThinkster.io accessibility course (not released yet)Chris DeMars:Dixxon Flannel CompanyAquis.com accessibility simulator Refactr accessibility workshop in June Follow Chris Special Guest: Chris DeMars. Support this podcast at — https://redcircle.com/javascript-jabber/donationsPrivacy & Opt-Out: https://redcircle.com/privacyBecome a supporter of this podcast: https://www.spreaker.com/podcast/javascript-jabber--6102064/support.

30 Apr 20191h 3min

JSJ 361:  Enough with the JS Already with Nicholas Zakas

JSJ 361: Enough with the JS Already with Nicholas Zakas

SponsorsTriplebyte offers a $1000 signing bonusSentry use the code “devchat” for $100 creditCacheFlyPanelAJ O’NealJoe EamesAimee KnightCharles Max WoodChris FerdinandiJoined by Special guest: Nicholas ZakasSummaryNicholas Zakas discusses the overuse of JavaScript and the underuse of HTML and CSS. The panel contemplates the talk Nicholas Zakas gave 6 years ago about this very same topic and how this is still a problem in the development community. Nicholas expounds on the negative effects overusing Javascript has on web applications and the things that using HTML and CSS do really well. The panel talks about the need for simplicity and using the right tool to build applications. Nicholas recommends the methods he uses to build greenfield applications and to improve existing applications.Linkshttps://www.youtube.com/watch?v=li4Y0E_x8zEhttps://www.slideshare.net/nzakas/enough-withthejavascriptalreadyhttps://twitter.com/slicknethttps://humanwhocodes.com/https://www.facebook.com/javascriptjabberhttps://twitter.com/JSJabberPicksChris Ferdinandi:The Umbrella Academy Official Trailerhttps://github.com/features/actionsAJ O’Neal:Jurassic ParkTerminator 2E6000 adhesiveAimee Knight:https://www.reebok.com/us/reebok-legacy-lifter/BD4730.htmlhttps://www.holloway.com/g/equity-compensationCharles Max Wood:https://podfestexpo.com/http://charlesmaxwood.com/https://www.11ty.io/https://www.netlify.com/Joe Eames:https://www.mysteryscenemag.com/blog-article/5905-tom-straw-the-author-behind-castleRichard Castle bookshttps://vanillajslist.com/Nicholas Zakas:The Power of Full Engagement: Managing Energy, Not Time, Is the Key to High Performance and Personal Renewal by Jim Loehr and Tony Schwartzhttps://opencollective.com/eslintSpecial Guest: Nicholas C. Zakas. Support this podcast at — https://redcircle.com/javascript-jabber/donationsPrivacy & Opt-Out: https://redcircle.com/privacyBecome a supporter of this podcast: https://www.spreaker.com/podcast/javascript-jabber--6102064/support.

23 Apr 20191h 8min

JSJ 360:  Evolutionary Design with James Shore

JSJ 360: Evolutionary Design with James Shore

SponsorsTriplebyte $1000 signing bonusSentry use the code “devchat” for $100 creditCacheFlyPanelAaron FrostAJ O’NealJoe EamesAimee KnightChris FerdinandiJoined by special guest: James ShoreEpisode SummarySpecial guest James Shore returns for another episode of JavaScript Jabber. Today the panel discusses the idea of evolutionary design. Evolutionary design comes from Agile development. It is based on the principles of continuous integration and delivery and test driven development. In short, evolutionary design is designing your code as you go rather than in advance.The panelists discuss the difficulties of evolutionary design and how to keep the code manageable.  James Shore introduces the three types of design that make up evolutionary design, namely simple design, incremental design, and continuous design. They talk about the differences between evolutionary design and intelligent design and the correlations between evolutionary design increasing in popularity and the usage of Cloud services. They talk about environments that are and are not conducive to evolutionary design and the financial ramifications of utilizing evolutionary design.The panelists talk about the difficulties of planning what is needed in code and how it could benefit from evolutionary design. James enumerates the steps for implementing evolutionary design, which are upfront design, reflective design, and refactoring . The team ends by discussing the value of frameworks and how they fit with evolutionary design.LinksAgileAngularAPICRC cards (class responsibility collaborators)EmberIntelliJNPMReactRedux ScrumWaterfallXJSPicksAJ O’Neal:Spiderman: Into the Spider-VersePre-gap tracks album listQuickChip remover alloyAimee Knight:Puns.devBoulderingJames Shore:Spiderman: Into the Spider VersePandemic LegacyAaron Frost:Easter Candy, especially Nerd Jelly beansCadbury Mini EggsFun D&D momentsJoe Eames: Chronicles of Crime board gameSpecial Guest: James Shore. Support this podcast at — https://redcircle.com/javascript-jabber/donationsPrivacy & Opt-Out: https://redcircle.com/privacyBecome a supporter of this podcast: https://www.spreaker.com/podcast/javascript-jabber--6102064/support.

16 Apr 20191h 2min

JSJ 359: Productivity with Mani Vaya

JSJ 359: Productivity with Mani Vaya

Get Mani's 2x Productivity CourseSponsorsSentry use the code “devchat” for $100 creditTriplebyteCacheFlyPanelAaron FrostAJ O’NealJoe EamesAimee KnightCharles Max WoodJoined by special guest: Mani VayaEpisode SummaryMani is the founder of a book summary business called www.2000books.com At 2000 Books, Mani studies the world’s greatest business and personal development books.Then he takes the most important ideas from each book and presents them in tight, 9- to 15-minute video summaries.You get the 4-7 most important ideas in a condensed format that's easy to absorb, easy to review, and easy to put into action immediately.To help people with productivity, Mani created an awesome course called “10x Productivity"His “10x Productivity" video course contains summaries of the 50 greatest books ever written on time management, productivity, goal setting, systems, execution, strategy and leverage."10x Productivity" pack includes summaries of all the NY Times Best Sellers on Productivity & Time Management, such as:The 7 Habits of Highly Effective People by Stephen CoveyGetting Things Done by David AllenDeep Work by Cal NewportThe Power of Habit by Charles DuhiggThe One Thing by Gary KellerEssentialism by Greg McKeownAll together, this collection includes more than 250 strategies, tips, tools & techniques for:- Becoming more productive- Getting results rather than being busy, stressed out & frustrated- Time Management- Defeating procrastination- Achieving big goals- Hacking your brain for high performance- Identifying the highest leverage points that lead to much faster results- Creating powerful habits- Installing execution systems that make goal achievement inevitable10x Productivity Package contains:Summaries of the 50 greatest books ever written on Productivity & Time Management250+ greatest ideas, tips and strategies on Time Management & Productivity10+ Hours of no-fluff solid Video ContentPDF Summaries of all 50 booksSince Mani is my friend and fellow mastermind member, I worked with him to get you guys an amazing discount (using discount code “DEVCHAT”) on the 10x Productivity Book Summary Pack which you can find here Make sure to use the Coupon code “DEVCHAT” to get the discount.LinksMani’s 2x Productivity Course use the code “devchat” for a discountPicksAJ O’Neal:M. Night Shyamalan’s The Village colophony/pine sap/rosin/flux for electronics workAimee Knight:Interested In Becoming A Site Reliability Engineer? blog postCharles Max Wood:Entreprogrammers episode 248KanbonflowPhysical Pomodoro timerMani Vaya:NPR’s How I Built This podcast2000 Books podcastSpecial Guest: Mani Vaya. Support this podcast at — https://redcircle.com/javascript-jabber/donationsPrivacy & Opt-Out: https://redcircle.com/privacyBecome a supporter of this podcast: https://www.spreaker.com/podcast/javascript-jabber--6102064/support.

9 Apr 20191h 10min

JSJ 358: Pickle.js, Tooling, and Developer Happiness with Anatoliy Zaslavskiy

JSJ 358: Pickle.js, Tooling, and Developer Happiness with Anatoliy Zaslavskiy

SponsorsTriplebyte offers a $1000 signing bonusSentry use the code “devchat” for $100 credit CacheFlyPanelAJ O’NealCharles Max WoodJoined by Special Guest: Anatoliy ZaslavskiySummaryAnatoliy Zaslavskiy introduces pickle.js and answers the panels questions about using it. The panel discusses the automated testing culture and employee retention. The panel discusses job satisfaction and why there is so much turn over in development jobs. Charles Max Wood reveals some of the reasons that he left past development jobs and the panel considers how the impact of work environments and projects effect developers. Ways to choose the right job for you and how to better a work situation is discussed. Anatoliy finishes by advocating for junior developers and explaining the value they bring to a company. Linkshttps://github.com/storybooks/storybookhttps://www.picklejs.com/docs/getting-startedhttps://opencv.org/https://itunes.apple.com/us/app/snapcrap/id1436238261https://tolicodes.com/https://www.facebook.com/tolicodeshttps://www.facebook.com/javascriptjabberhttps://twitter.com/JSJabberPicksAJ O’NealThe Phoenix Project: A Novel about IT, DevOps, and Helping Your Business Win by Gene KimHow to Diagnose and Fix Everything Electronic, Second Edition by Michael Jay Geier   Charles Max Woodhttps://andyfrisella.com/blogs/mfceo-project-podcasthttps://www.garyvaynerchuk.com/the-askgaryvee-show-podcast/The 1-Page Marketing Plan: Get New Customers, Make More Money, And Stand out From The Crowd by Allan DibSkyward by Brandon SandersonAnatoliy ZaslavskiyAcro yogahttp://www.cuddleparty.com/ Special Guest: Anatoliy Zaslavskiy. Support this podcast at — https://redcircle.com/javascript-jabber/donationsPrivacy & Opt-Out: https://redcircle.com/privacyBecome a supporter of this podcast: https://www.spreaker.com/podcast/javascript-jabber--6102064/support.

2 Apr 20191h 6min

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