Keep an eye on this testing framework

ScalaTest 2.0 series nears with second milestone release

Chris Mayer

With Scala as a language getting several new intricacies, you need a tool capable of testing them. Look no further…

With more and more developers being allured by the charms of Scala, a number of complementary projects have been spun out by Typesafe and others to reflect the evergreen language such as the Play Framework and event driver Akka.

But one project, now a comparative veteran after its first available version appeared back in 2009, is ScalaTest. The team behind the open source testing framework for both Java and Scala applications, are overseeing a transformation, with the second series of the framework set to arrive imminently. Fortunately they brought us a sneak glimpse of the second milestone for ScalaTest 2.0.

ScalaTest, designed by a number of core developers at Artima, works in the shadows to make teams as productive as possible through providing simple clear concise code hints, depending on the culture within the team.

Arguably its biggest appeal is that it doesn’t force a certain coding philosophy or tool down your throat, and preaches that the tool should be at the side, letting you work out what is the most productive method. But that doesn’t mean a closed wall policy at all – with ScalaTest possible to be integrated into tools like JUnit, TestNG, Ant, Maven, and sbt.

From small homebrew projects to mission critical software, ScalaTest aims to be flexible – easy to pick up and provides a gradual learning curve to Scala master.

ScalaTest 2.0 irons out the main problem for Scala users, which is tools support, providing enhancements to IDEs such as IntelliJ IDEA and the Scala IDE for Eclipse. There’s the ability to dynamically tag tests, meaning new features such wildcards and rerunnable tests and also the possibility of on-the-fly sorting of events during parallel runs. Much of ScalaTest’s documentation has been reworked making it even easier for newcomers to pick up tips and tricks, especially when it comes to learning the latest Scaladoc language features.

According to the team, this milestone is ‘very stable’ and ‘fully tested’ – a rare case for a preliminary glimpse at a full release, suggesting that the bulk of the work has been done. There’s still some polishing to be done, but why not check it out, by downloading here. A detailed list of changes is provided. Now we just need to get our hands on the final version.

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