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JUnit 5

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#junit‑5#testing

In this talk, I introduce JUnit 5 from basic tests to more advanced features like nesting, parameterization, parallelization, and extensions. We also discuss its architecture and compatibility with JUnit 4.

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JUnit 5

Want to play around with the code yourself? Check out the repository JUnit 5 Demo, a demo showing off all essential and many advanced JUnit 5 features - it contains many of the snippets shown in this talk. It has a permissive license, so you can reuse the code for your projects.

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Want to play around with the code yourself? Check out the repository JUnit 5 Demo, a demo showing off all essential and many advanced JUnit 5 features - it contains many of the snippets shown in this talk. It has a permissive license, so you can reuse the code for your projects.

Share this post with your community:

I'm active on various platforms. Watch this space or follow me there to get notified when I publish new content:

I've build this website myself and while I'm very proud of my digital baby, I know it's far from perfect. If you observe any bugs or have an idea for a cool feature, please open an issue. I appreciate it!

Java's most ubiquitous library got an update! This talk...

  • shows you how to write tests with JUnit 5
  • walks you through the changes compared to JUnit 4
  • expands on nested, parameterized, parallel and other kinds of tests
  • tells you how to build your own JUnit 5 extensions
  • presents the new architecture
  • discusses compatibility with previous JUnit versions, IDEs, and other testing tools

Be careful, though: You might end up with an urge to start using it right away.

▚Slides

Here's the current version of the slides.

I also embedded them below. If they're focussed, you can navigate with arrow keys or swipes (they're two-dimensional, with chapters on the horizontal axis and chapter content layed out vertically). Use Page Up/Down for linearized order and ? for more shortcuts.

▚Past Presentations

I gave this talk a few times before. See below for links to slides (as they were at that very event), videos, and other information.

▚2019

Sat, Nov 9th, 13:30 Europe/BerlinJUnit 5
programslides
at GDG DevFest Karlsruhe
Karlsruhe, Duale Hochschule, Erzbergerstraße 121

▚2017

Tue, May 16th, 15:45 Europe/RigaJUnit 5
program entryslidesvideo
at Riga DevDays
Riga, Kino Citadele, Room 6
Tue, Mar 28th, 13:00 Europe/BerlinJUnit 5
program entryslidesNightHacking session exploring JUnit 5's parameterized tests
at JavaLand
Brühl, Phantasialand, Eventhalle
Thu, Feb 16th, 11:40 Europe/BerlinJUnit 5
announcementslides
at Frankfurter Entwicklertag
Frankfurt, Goethe-Universität – Casino Gebäude, Seminarraum 1.812
Thu, Feb 9th, 10:20 Europe/HelsinkiJUnit 5
program entryslides
at European Testing Conference
Helsinki, Wanha Satama
Wed, Jan 25th, 18:00 Europe/BerlinJUnit 5
announcementslidesworkshop sources
at JUG Karlsruhe
Citrix – GetGo Germany GmbH, Alter Schlachthof 51
Thu, Jan 19th, 18:30 Europe/BerlinJUnit 5
announcementslides
at JUG Darmstadt
TU Darmstadt, S2|02 Raum C110
Thu, Jan 12th, 19:00 Europe/BerlinJUnit 5
announcementslides
at JUG Mannheim
University of Mannheim A5, 6; Room C013

▚2016

Thu, Nov 10th, 18:00 Europe/StockholmJUnit 5
slides
at JVM Group Stockholm
Stockholm, Regeringsgatan 20
Tue, Nov 8th, 18:15 Europe/BrusselsJUnit 5
program entryslidesvideoInterview On JUnit 5 - Rewrite, Architecture, Extensions
at Devoxx Belgium
Antwerpen, Kinepolis, Room 8
Mon, Oct 31st, 11:45 Europe/OsloJUnit 5
programslidesvideo
at Trondheim Developer Conference
Trondheim, Clarion Trondheim, Sal 3
Wed, Oct 12th, 16:30 Europe/LondonJUnit 5
program entryslides
at JAX London
London Islington, Business Design Centre
Thu, Sep 8th, 15:40 Europe/OsloJUnit 5
program entryslidesvideo
at JavaZone
Oslo, Oslo Spektrum, Room 1
Tue, Jul 19th, 16:00 UTCJUnit 5
announcementslidesvideoRebellabs created a writeup of my talk
at Virtual JUG
virtualjug.com/#live
Fri, Jun 24th, 09:00 Europe/WarsawJUnit 5
program entryslidesvideo
at Devoxx Poland
Krakow, ICE Congress Centre, Room 1
Fri, May 20th, 12:00 Europe/KievJUnit 5
program entryslidesvideo
at JEEConf
Kiew, Parkovyi Convention Center, Track E