Author Archives: Roland Krüger

About Roland Krüger

Software Engineer at Trivadis / Orientation in Objects GmbH. Follow me on Twitter.

How to use JUnit 5 @MethodSource-parameterized tests with Kotlin

Posted on 13. November 2018 by Roland Krüger

When you use JUnit 5 for writing unit tests for your Kotlin code, there are a few things to be aware of to make this work smoothly. One of those things affect parameterized tests with @MethodSource. In this blog post, … Continue reading →

Posted in Other languages for the Java VM | Tagged , | 10 Comments

Kotlin 1.3 has arrived

Posted on 30. October 2018 by Roland Krüger

The next major release for the promising JVM language Kotlin by JetBrains has now been published (read the release notes here). The most prominent features of this version are the finalization of coroutines and a beta release for Kotlin/Native. Version … Continue reading →

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Use null values in JUnit 5 parameterized tests

Posted on 26. October 2018 by Roland Krüger

JUnit 5 allows you to parameterize your tests so that the same test case is executed repeatedly with a varying set of test parameters. This is similar to the parameterized test feature of JUnit 4, except now these tests are … Continue reading →

Posted in Java and Quality | Tagged , | 4 Comments

Working with Maven dependencies not found in public repositories

Posted on 23. August 2018 by Roland Krüger

One of the many pleasant advantages the dependency management of a modern build tool such as Maven or Gradle gives you is that you simply declare the set of dependencies your application needs and the build tool then takes care … Continue reading →

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Wie werde ich zum IDE Kung Fu-Meister?

Posted on 18. June 2018 by Roland Krüger

Jede/r von uns SoftwareentwicklerInnen dürfte eine eigene Lieblingsentwicklungsumgebung haben, mit der man täglich gut und zufrieden arbeitet, über deren Funktionen man einen guten Überblick hat, und mit der die Arbeit bisher auch Spaß macht. Trotzdem wird bei den meisten von … Continue reading →

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Das Neo2 Tastaturlayout

Posted on 22. February 2018 by Roland Krüger

In diesem Blog-Post geht es um Produktivität. Genauer gesagt um Entwicklerproduktivität. Das wichtigste Werkzeug für uns SoftwareentwicklerInnen ist die Tastatur. Wir benutzen die Tastatur praktisch den ganzen Tag. Es soll sogar SoftwareentwicklerInnen geben, die neben ihrer Arbeit im Büro am … Continue reading →

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JUnit 5.1.0 veröffentlicht

Posted on 19. February 2018 by Roland Krüger

Die erst im September 2017 mit Version 5 erschienene Generalüberholung der Testbibliothek JUnit hat am 18. Februar 2018 ein neues Minor-Release erhalten. Die neue Version 5.1.0 bietet eine ganze Reihe von Verbesserungen, Bugfixes und neuen Features. Hervorzuheben sind die folgenden … Continue reading →

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