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How do you test methods that fire asynchronous processes with JUnit?

I don't know how to make my test wait for the process to end (it is not exactly a unit test, it is more like an integration test as it involves several classes and not just on

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IMHO it's bad practice to have unit tests create or wait on threads, etc. You'd like these tests to run in split seconds. That's why I'd like to propose a 2-step approach to testing async processes.

Test that your async process is submitted properly. You can mock the object that accepts your async requests and make sure that the submitted job has correct properties, etc.

Test that your async callbacks are doing the right things. Here you can mock out the originally submitted job and assume it's initialized properly and verify that your callbacks are correct.

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