"java.lang.RuntimeException: Internal graphics not initialized yet" error in Unit Test

Question

I was creating unit tests to test methods in the LessonPlan class and I was getting this error "java.lang.RuntimeException: Internal graphics not initialized yet". The error pointed to a data field in the Card class which is type Image. How do I get around this error while unit testing?

Answer 1

Try calling Platform.startup() before your test. (Or better, in a @BeforeAll init method in your unit test class.

If that fails, maybe you'll need another approach here:

https://stackoverflow.com/questions/39582837/internal-graphics-not-initialized-yet-in-juunit-test-case

Comments

Putting

Platform.startup(()->{});

at the top of the method made it work!