Gauging interest in updating the JavaFX test framework with JUnit 5

[Nir Lisker]

I much prefer JUnit 5 to 4, so I'm in favor.

On Sat, Sep 25, 2021 at 12:40 AM John Hendrikx <hjohn at xs4all.nl> wrote:

> Posting this to gauge the interest in adding JUnit 5 as a test
> dependency to JavaFX, enabling writing tests with this new version of
> JUnit while still supporting all JUnit 4 tests.
>
> A draft PR has been submitted here:
> https://github.com/openjdk/jfx/pull/633
>
> And an issue has been filed here:
> https://bugs.openjdk.java.net/browse/JDK-8274274
>
> Although very personally motivated to be able to write nested unit tests
> in future JavaFX pull requests, I think this would be a great addition
> to have in our testing arsenal.
>
> The main benefits of using JUnit 5:
>
> Better integration with Java 8, specifically use of Lambda functions
> where this would make sense. For example `assertThrows` is really useful
> and can replace the `expected` parameter in the Test annotation
> (although this has also been backported to recent JUnit 4 versions).
>
> Support for better organization of tests (using Nested) and better
> naming.  See this image to see Nested and naming in action:
>
> https://user-images.githubusercontent.com/995917/111858133-d6ce0f80-8936-11eb-9724-be2c15150590.png
>
> Better extension system allowing to combine extensions whereas JUnit 4
> only allowed one extension at a time.
>
> Native support for parameterized tests, repeated tests, nested tests,
> conditional test execution (by platform or environment for example),
> assumptions, test generation and timeouts.
>
> Please let us know if you'd like to see a newer version of JUnit
> included in JavaFX to further ease testing :)
>
> --John
>
>
>
>