Delft Testing Course @delftswtesting

TU Delft course on software testing: musings, findings, questions, links, by Arie van Deursen / @avandeursen. swerl.tudelft.nl/bin/view/Main/… Delft, The Netherlands Joined February 2009

Tweets

806
Followers

340
Following

95
Likes

16

Yehuda Katz @wycats

8 years ago

Quality software, n. 2007: "we release when it's ready" 2017: "we're always ready to release"

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JUnit Team 💙💛 @junitteam

8 years ago

Celebrating our first 1000 GitHub stars for #JUnit 5! 🎉 github.com/junit-team/jun…

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Joel Costigliola @JoCosti

8 years ago

AssertJ Core 2.7.0 and 3.7.0 have just been released! Lot of new features and improvements, check the release notes: joel-costigliola.github.io/assertj/assert…

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Rich Rogers @RichRogers_

9 years ago

QA is not a phase… danashby.co.uk/2016/10/19/con…

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Delft Testing Course @delftswtesting

9 years ago

Tony Hoare on Null References -- his Billion Dollar Mistake. infoq.com/presentations/…

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Maurício Aniche @mauricioaniche

9 years ago

Nothing is better than Java's Optional, by Mike Ernst: homes.cs.washington.edu/~mernst/advice…

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Maurício Aniche @mauricioaniche

9 years ago

Amazing guest lecture by Mike Ernst (univ of washington) on type checkers for "mortals". Check his tool: checkerframework.org

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Arie van Deursen @avandeursen

9 years ago

Released JPacman Framework 7.0.0. Ready for another year of teaching software testing, now with JUnit 5! github.com/SERG-Delft/jpa…

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Tim van der Lippe @TimvdLippe

9 years ago

Reading through the @delftswtesting FAQ, I had to chuckle:

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Delft Testing Course @delftswtesting

9 years ago

.@robotframework: a generic test automation framework for acceptance testing and acceptance test-driven development. robotframework.org

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Miguel Ferreira @miguel_f

9 years ago

.@cosmiccloud_'s time machine: LoC and Tech Debt go down as overall test coverage goes up!

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J☁e Duffy @funcOfJoe

9 years ago

Checked C, a pragmatic approach to safety in C, is now OSS. A good friend and colleague from Midori, I'm a big fan. github.com/Microsoft/Chec…

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Leon Overweel @layon_overwhale

9 years ago

Hmm... Principles of Testing #1: "testing does not show the absence of defects" cc @delftswtesting

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Crista Lopes @cristalopes

9 years ago

For those catching up with my distributed systems testing blog post, here's an awesome follow-up

Colin Scott @_colin_scott_

10 years ago

For those catching up with my distributed systems testing blog post, here's an awesome follow-up

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Delft Testing Course @delftswtesting

9 years ago

SAGE: Whitebox Fuzzing for Security Testing at Microsoft. research.microsoft.com/en-us/um/peopl…

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Delft Testing Course @delftswtesting

9 years ago

American fuzzy lop -- a security-oriented fuzzer. lcamtuf.coredump.cx/afl/

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Delft Testing Course @delftswtesting

9 years ago

"With zero knowledge of how a botnet works you can get access to other people's machines" -- #Zeus.

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Delft Testing Course @delftswtesting

9 years ago

Today's topic: Security. Starting with a demo of the Zeus botnet. security.stackexchange.com/questions/9201…

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ISSTA Conference @issta_conf

9 years ago

Christian Holler’s MSc thesis on random testing JavaScript netted him $53,000 in bug bounties and a job at Mozilla: issta2016.cispa.saarland/interview-with…

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Arie van Deursen @avandeursen

4K Followers 706 Following Professor in Software Engineering at TU Delft. Opinions are my own. He/him. Mastodon: https://t.co/nvGT1DkusE

Sith apprentice and dark arts supporter. In the spare time, Associate Professor in Software Engineering at @serg_delft, @tudelft and head of the CISELab.

Annibale Panichella @AnniPanic

2K Followers 815 Following Sith apprentice and dark arts supporter. In the spare time, Associate Professor in Software Engineering at @serg_delft, @tudelft and head of the CISELab.

ICSE @ICSEconf

12K Followers 1K Following The premier International Conference on Software Engineering. April 12-18, 2026. Official hashtag: #icse2026.

穂香🎉＠断捨�... @musagaku1988

419 Followers 538 Following 💰【ローリスクローリターン】がコンセプトの「cozeny」運営💡 誰でも3万円ぐらいは稼げるらしい👛

Peter de Best @PeterdeBest9791

15 Followers 369 Following

Raphael ( ); @raph_almeida

708 Followers 767 Following Software developer, speaker, automated tester and appsec enthusiastic

Software detacheringsbureau ll Front-end en Backend Development ll Real craftsmanship ll Join our team
T: 0634059402 - M: vacatures@ellova.com

Ellova @Ellova_BV

183 Followers 2K Following Software detacheringsbureau ll Front-end en Backend Development ll Real craftsmanship ll Join our team T: 0634059402 - M: [email protected]

As a #softwatesting company, we help our clients increase both the quality of the software they produce and the efficiency of #testdelivery #QA #automation

Netow Solutions Ltd. @Netowsolutions

226 Followers 211 Following As a #softwatesting company, we help our clients increase both the quality of the software they produce and the efficiency of #testdelivery #QA #automation

Rijswijks Dagblad @rijswijkonline

1K Followers 4K Following

LEVEN! Den Haag @LEVENMag

1K Followers 2K Following LEVEN! Magazine

Camilo @camilohe

734 Followers 8K Following Problem solver, learner, developer, /[net|sys]admin/; from Cuba.

Software Engineering Researcher @ TU Delft. End-user development, Spreadsheets, Analysis, Comprehension, Re-engineering, Empirical research, User-studies

Sohon Roy @sohonroy

106 Followers 100 Following Software Engineering Researcher @ TU Delft. End-user development, Spreadsheets, Analysis, Comprehension, Re-engineering, Empirical research, User-studies

BE THE ONE WHO EVERYONE WISHES TO BE..
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Hala Madrid..!!
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Dhiren Ghosh @ghosh_dhiren

11 Followers 215 Following BE THE ONE WHO EVERYONE WISHES TO BE.. Football Freak..!! Hala Madrid..!! Future IT Professional.! Be Kind and Simple that's all it takes to win someone's heart

Mr Free Speech @x12342e

152 Followers 2K Following Dedicated to spread freedom values.

PATRICK CYBERSECURITY @patrick_infosec

47K Followers 48K Following #privacy #security #infosec #hacker #encryption #Marketing #Pentesting #Cybersecurity #Hosting #Server #Technology #Seo #Cloud #Network #Google #forensic #gdpr

Azmi YÜKSEL @azmiyuksel

184 Followers 1K Following Software Test Engineer

Diogo S. Mendonça @diogomendonca

150 Followers 282 Following Professor @cefet_rj, PhD @Puc_Rio, PMP, Software Engineer, Entrepreneur

Bruno Costa - Garu @garucosta

622 Followers 810 Following Principal SRE https://t.co/lki49J5JOx

Ph.D. Eng.
-SoC Architect | automotive application
-#5G #5GCore
-Microelectronics & Computer Science
-ASIC/FPGA
-HW/SW
-DTPM management | MP-SoC
-ML & AI

Mohamad Krayem 👶 @Mhd_Krayem

799 Followers 4K Following Ph.D. Eng. -SoC Architect | automotive application -#5G #5GCore -Microelectronics & Computer Science -ASIC/FPGA -HW/SW -DTPM management | MP-SoC -ML & AI

SQAWebinars @sqawebinars

4K Followers 10K Following SQA+Webinars = SQAWebinars. Never Miss A SQA Webinar. Know | Learn | Upgrade. Follow our handle to "Never Miss A SQA Webinar".

Yorick de Vries @yorickdevries

68 Followers 346 Following

Wim Verschuren @wimverschuren

62 Followers 157 Following Das wichtigste in der Musik steht nicht in den Noten ~ Gustav Mahler

Guus van der Schaaf @zeziema700

23 Followers 222 Following Hobby java programmer

Chris Langhout @ChLanghout

42 Followers 177 Following Software Engineer at https://t.co/74UGeL40gH

Lifelong learner working as a software engineer. React frontend developer, former Storybook maintainer, and technical writer about React, testing, and career.

Chak Shun Yu @keraito

378 Followers 624 Following Lifelong learner working as a software engineer. React frontend developer, former Storybook maintainer, and technical writer about React, testing, and career.

Jitendra tiwari @jitendratwr

43 Followers 897 Following 🔎Quality Analyst at 🏬 @policyBazaar 🌆Gurgaon 🕺Dancer 😘😍Loves Mom and papa

Stadsclown Delft @delftstadsclown

77 Followers 239 Following Entertainment

Gwan S. Chiu @SyncreticDesign

102 Followers 726 Following User experience researcher & strategist. Former university instructor @IUBSPEA. I love #DesignThinking, #DesignDoing, learning, folk culture, & dance.

camilo castro @camilo_castro20

932 Followers 1K Following Software Tester. Organizer of @TestingColombia Automation novice. Table tennis amateur. 🇨🇴

Department of Software Technology of the @eemcs_tud faculty. Tweeting about research in Computer Science at @tudelft, and the education of 2500 CS students.

Software Technology @delftswtech

486 Followers 148 Following Department of Software Technology of the @eemcs_tud faculty. Tweeting about research in Computer Science at @tudelft, and the education of 2500 CS students.

Software Testing Evangelist | Professor | Azərbaycanlı Alim və Proqram Təminat mühəndisi 🌎🇨🇦🇦🇿🇹🇷🇮🇷🇬🇧 - (English name spelling: Vahid Garousi)

Vəhid Gəruslu @vehid_geruslu

929 Followers 343 Following Software Testing Evangelist | Professor | Azərbaycanlı Alim və Proqram Təminat mühəndisi 🌎🇨🇦🇦🇿🇹🇷🇮🇷🇬🇧 - (English name spelling: Vahid Garousi)

TMMi Foundation @TMMiFoundation

856 Followers 2K Following The TMMi Foundation, a non-profit organization, dedicated to improving test processes and practice.

Career success platform for Testing community - Engage (discussions & guidance) | Prep-Up (interview Q&As) | Apply Jobs | Upskill (assessments & certification)

parikshram.com | Soft... @TestingStudio

2K Followers 3K Following Career success platform for Testing community - Engage (discussions & guidance) | Prep-Up (interview Q&As) | Apply Jobs | Upskill (assessments & certification)

Assistant professor @Carleton_U, PhD in Software Engineering @Concordia. My research includes Empirical Software Engineering & Mining Software Repositories.

Rabe Abdalkareem @rabekareem

519 Followers 713 Following Assistant professor @Carleton_U, PhD in Software Engineering @Concordia. My research includes Empirical Software Engineering & Mining Software Repositories.

https://t.co/2DzYmJmMOF: Tracking companies, teams, coaches & crafters who practice Test Driven Development.💬 Join our Slack:https://t.co/0vAWtd3dWn; 🤑Support: https://t.co/HFcaktd2gf

1K Followers 4K Following https://t.co/2DzYmJmMOF: Tracking companies, teams, coaches & crafters who practice Test Driven Development.💬 Join our Slack:https://t.co/0vAWtd3dWn; 🤑Support: https://t.co/HFcaktd2gf

Abby Onencan @AbbyMuricho

117 Followers 595 Following Researcher, Erasmus School of Law, Criminology Department at the Erasmus University Rotterdam

TestWorks @testworksconf

345 Followers 1K Following Learn from the trenches in hands-on workshops, connect with the community and get inspired by the top speakers!

VigoReport @VigoReport

24 Followers 67 Following VigoReport is a reporting tool which generates Test automation report using your build results.

Development Tooling engineer @AdyenDevs.
@MockitoJava core developer. Former @ChromeDevTools, @Polymer. Completed Master Computer Science at TU Delft

Tim van der Lippe @TimvdLippe

2K Followers 137 Following Development Tooling engineer @AdyenDevs. @MockitoJava core developer. Former @ChromeDevTools, @Polymer. Completed Master Computer Science at TU Delft

UK & Ireland Testing ... @UKITestingBoard

380 Followers 384 Following The UK and Ireland input to the ISTQB Certified Tester scheme (syllabi and processes).

Ingmar @1ngmarW

106 Followers 357 Following Confident about our future

Paul Okade @Okadepaul

188 Followers 1K Following Paul Okade, Private Investigator, Cyber Security Consultant, Software & Penetration tester and Author

Computer Science Researcher | Teacher | Philanthropist | Free-time Actor | Tennis Lover | Storyteller. Projects: https://t.co/0Qxfm1ZC8s

Sebastiano Panichella @spanichella

Delft @Delft_BN

339 Followers 227 Following Het lokale nieuws voor bij de borrel!

Dominik Šafarić @dominiksafaric

78 Followers 358 Following Dad | Mountaineer | Founder @wearesulie

We believe that if we work together, we can find sustainable solutions for local challenges. cocreate.NL is a pilot project of @DutchMFA.

cocreate.NL @cocreateNL

569 Followers 4K Following We believe that if we work together, we can find sustainable solutions for local challenges. cocreate.NL is a pilot project of @DutchMFA.

Torfinn Berset @toffiloff

112 Followers 263 Following Head of Software Engineering @bloom_life. #Norwegian, #cpp, #DigitalHealth, #DSP. (he/him)

ZubairkhanLasharie @zubair_lasharie

12 Followers 128 Following websites

Transforming software testing with Conformiq 360○ Test Automation, the most sophisticated and comprehensive automated test design solution in the industry.

Conformiq @Conformiq_inc

218 Followers 401 Following Transforming software testing with Conformiq 360○ Test Automation, the most sophisticated and comprehensive automated test design solution in the industry.

Arie van Deursen @avandeursen

4K Followers 706 Following Professor in Software Engineering at TU Delft. Opinions are my own. He/him. Mastodon: https://t.co/nvGT1DkusE

Staff Engineer @ Uber, ex-Adyen, Former Assist Prof in SE @serg_delft, Author of https://t.co/WUAKj72qHb, 2021 CS Teacher of the Year

Maurício Aniche @mauricioaniche

12K Followers 4K Following Staff Engineer @ Uber, ex-Adyen, Former Assist Prof in SE @serg_delft, Author of https://t.co/WUAKj72qHb, 2021 CS Teacher of the Year

Phil McMinn @philmcminn

658 Followers 276 Following Professor of Software Engineering, The University of Sheffield

Cucumber @cucumberbdd

5K Followers 2K Following Simple, human collaboration. Tweets from the Cucumber team.

Tim van der Lippe @TimvdLippe

2K Followers 137 Following Development Tooling engineer @AdyenDevs. @MockitoJava core developer. Former @ChromeDevTools, @Polymer. Completed Master Computer Science at TU Delft

Jan-Willem Gmelig Meyling | CTO @AthenaStudies | Open Source Contributor for @Hibernate, @QueryDSL and @Blazebit Blaze-Persistence.

Jan-Willem @janwillemyme

185 Followers 344 Following Jan-Willem Gmelig Meyling | CTO @AthenaStudies | Open Source Contributor for @Hibernate, @QueryDSL and @Blazebit Blaze-Persistence.

Centerist cat dad. Quaker. Consider that I might not be trying to convince you of anything. Tweets unrelated to @coopuk or their policies. #ActuallyAutistic

Keith Braithwaite kei... @keithb_b

1K Followers 2K Following Centerist cat dad. Quaker. Consider that I might not be trying to convince you of anything. Tweets unrelated to @coopuk or their policies. #ActuallyAutistic

Consultant, practitioner, author of The Art of Agile Development. I have uninstalled Twitter / “X”; see website or pinned tweet for alternatives.

James Shore @jamessho... @jamesshore

14K Followers 131 Following Consultant, practitioner, author of The Art of Agile Development. I have uninstalled Twitter / “X”; see website or pinned tweet for alternatives.

Sigrid Eldh @DrSEldh

851 Followers 847 Following Researcher, tester, leader, strategist, computer scientist, software engineer, gestalt therapist. Opinions my own!

Rex Black Inc @RBCS

1K Followers 345 Following RBCS is both a pioneer and leader in quality hardware and software testing.

Dorothy Graham @DorothyGraham

3K Followers 74 Following Software testing consultant

software testing expert, independent consultant, TMMi Foundation management executive and table tennis coach, blessed with three great kids.

Erik van Veenendaal @ErikvVeenendaal

738 Followers 91 Following software testing expert, independent consultant, TMMi Foundation management executive and table tennis coach, blessed with three great kids.

Writer, drawer, apparently-retired team helper. One of billions of creators & lovers & choosers. Strength comes from love. Them. onealexharms@mastodon.social

Alex Harms @onealexharms

2K Followers 732 Following Writer, drawer, apparently-retired team helper. One of billions of creators & lovers & choosers. Strength comes from love. Them. [email protected]

Gerard Meszaros @gerardmes

544 Followers 83 Following

Thomas Smith @thomas__smith

126 Followers 318 Following Functional Programming enthusiast | Autodidact | Haskell & Scala for fun and sanity | Master student @ TU Delft

Head of OSPO @browserstack, Se Committer. Co-Editor WebDriver spec. Chair of Browser Testing & Tools W3C WG, https://t.co/mIjFWdYz8t

David @automatedteste... @AutomatedTester

7K Followers 675 Following Head of OSPO @browserstack, Se Committer. Co-Editor WebDriver spec. Chair of Browser Testing & Tools W3C WG, https://t.co/mIjFWdYz8t

Software researcher at @CISPA. Testing and analyzing software for a better world. Find me at @andreaszeller@bsky.social or @AndreasZeller@mastodon.social.

Andreas Zeller @AndreasZeller

9K Followers 219 Following Software researcher at @CISPA. Testing and analyzing software for a better world. Find me at @[email protected] or @[email protected].

Cyborg-Friendly Humanist. Liberal Modernist. Opinion Holder. Everything is fascinating. General Manager @houseoftest. Instructor @ost_fh

Ilari Henrik Aegerter @ilarihenrik

3K Followers 186 Following Cyborg-Friendly Humanist. Liberal Modernist. Opinion Holder. Everything is fascinating. General Manager @houseoftest. Instructor @ost_fh

Arian Stolwijk @astolwijk

425 Followers 302 Following Software engineer at Giftomatic

Tweeting about my personal opinions; RT or Following ≠ endorsement. Professor of Empirical Software Engineering @UZH_en. Head of @ZESTuzh. Bolognese.

Alberto Bacchelli @sback_

1K Followers 521 Following Tweeting about my personal opinions; RT or Following ≠ endorsement. Professor of Empirical Software Engineering @UZH_en. Head of @ZESTuzh. Bolognese.

Robert V. Binder @rvbinder

251 Followers 207 Following Serial entrepreneur and software technologist. Focused on model-based testing. I like big challenges.

Bertrand Meyer @Bertrand_Meyer

4K Followers 219 Following Software engineer (theory and practice). Author, consultant, professor, project manager.

Jon Bach @jbtestpilot

5K Followers 151 Following Sr. PM, Risk Planning and Operations at eBay, content producer at https://t.co/v1AUdiz9Yu ("Air Time with Cpt. Rob")

karennjohnson @karennjohnson

2K Followers 766 Following Based in Raleigh-Durham, NC. she/her

Tim Rensen @tim_rensen

79 Followers 224 Following 30 | Software Engineer @LeQuest | Feyenoord Rotterdam

I train and coach embedded software engineers in iterative engineering practices (TDD, design, refactoring) to help them be successful and enjoy their work.

James W Grenning @jwgrenning

6K Followers 511 Following I train and coach embedded software engineers in iterative engineering practices (TDD, design, refactoring) to help them be successful and enjoy their work.

Gregory Kapfhammer @GregKapfhammer

410 Followers 671 Following I teach and research in computer science, write papers and code, smile and laugh often, and wave my hands with joy.

Lean & Agile | Dad | Lifelong Learner | Global Citizen | Tennis Player | International Speaker | CEO | Entrepreneur | Software Developer | Author

Joshua Kerievsky 🇺... @JoshuaKerievsky

Michael de Jong @michaeldejong_

91 Followers 120 Following Software engineer and tester. Currently working at @magnetdotme

Publican, writer, speaker, futurist, spellcaster, xFBI, xGOOG, xMSFT. Chaotic Good. Got my blue check the old-fashioned way.

James Whittaker @docjamesw

20K Followers 107 Following Publican, writer, speaker, futurist, spellcaster, xFBI, xGOOG, xMSFT. Chaotic Good. Got my blue check the old-fashioned way.

CloudBees @CloudBees

40K Followers 6K Following The industry’s most open and flexible enterprise DevOps solution.

Robolectric @robolectric

1K Followers 3 Following Test-drive your Android application with Robolectric, an open-source testing framework for Android.

Gijs Kuijer @techGijs

32 Followers 7 Following

Pieter Hameete @phameete

118 Followers 585 Following Doto & Data.

Dino Hensen @dinohensen

22 Followers 87 Following Software Engineer

J @dejabbink

25 Followers 130 Following

RvanderHeijden @RvanderHeijden2

3 Followers 1 Following

Author of Lizard Optimization, Impact Mapping, Specification by Example and a few more books... Get my new book at https://t.co/2N2vHRgFqZ

Gojko Adzic @gojkoadzic

16K Followers 360 Following Author of Lizard Optimization, Impact Mapping, Specification by Example and a few more books... Get my new book at https://t.co/2N2vHRgFqZ

Michael Larsen @mkltesthead

6K Followers 565 Following Stand-Up Philosopher, Software Tester, Podcast Producer, #a11y Advocate, Writer, Teacher, Singer of #EnsignRedBand

Google Testing Blog @googletesting

26K Followers 1 Following This account has been closed.

Vəhid Gəruslu @vehid_geruslu

Juda Jonathan @judavanmourik

34 Followers 27 Following Starting youtube musician! 🎬🎹🎼 #piano #pianocovers #youtube

Joeri @Clavus

87 Followers 142 Following Game dev @ Codeglue, part-time freelancer, Virtual Reality enthusiast, keeper of lizards.

Jenkins @jenkinsci

77K Followers 96 Following Jenkins, an extensible automation engine

automatedtest @automatedtest

1K Followers 436 Following Automated Testing Institute - The foremost automated testing online reference.

testlink @testlinkorg

141 Followers 1 Following Test Case Management Application....

aberant @aberant

298 Followers 378 Following @[email protected]

Author on Software Development. Works for Thoughtworks. Also hikes, watches theater, and plays modern board games. He/him.

Martin Fowler @martinfowler

354K Followers 181 Following Author on Software Development. Works for Thoughtworks. Also hikes, watches theater, and plays modern board games. He/him.