CODEWITHSUNDEEP
junit5
stk1234
stk1234

Reputation: 1126

Truly Random Unit Tests in Junit

Is there a way to run truly random unit tests in JUnit? I want to do a bunch of test runs with my tests in truly random order to try to detect test pollution. It seems like the best I can do is put @TestMethodOrder(MethodOrderer.Random.class) at the class levels, but classes can still unfortunately share variables.

Upvotes: 2

Views: 510

Answers (1)

rieckpil
rieckpil

Reputation: 12021

On test class level you can indeed randomize the executing of your tests using @TestMethodOrder(MethodOrderer.Random.class).

The default behavior of JUnit 5 also ensures to create a new instance of your test class for each test method, so I guess

... but classes can still, unfortunately, share variable

Shouldn't be a problem here.

That would randomize the test execution order of your tests inside a class, but as far as I know there is currently no way to set the order of which test classes are picked when. There is an on-going discussion for this on GitHub.

Upvotes: 2

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