CODEWITHSUNDEEP
javajunit
Arian
Arian

Reputation: 3241

Getting the RunNotifier of a JUnitCore

I want to call the RunNotifier of a JUnitCore. It's called fNotifier and is initiated in the JUnitCore class. Source:

https://github.com/KentBeck/junit/blob/master/src/main/java/org/junit/runner/JUnitCore.java

Can I get this by reflection somehow, or is there any other way I can call this RunNotifier.

I want to use his pleaseStop() method.

Upvotes: 2

Views: 1173

Answers (2)

Ohad Benita
Ohad Benita

Reputation: 543

Using JUnit 4.1.2 the field name has changed to 'notifier : 

 Field field = JUnitCore.class.getDeclaredField("notifier");

Upvotes: 1

Matthew Farwell
Matthew Farwell

Reputation: 61705

Using reflection isn't the best method, but you can do it something like this:

public static void main(String[] args) throws Exception {
    Computer computer = new Computer();

    JUnitCore jUnitCore = new JUnitCore();
    Field field = JUnitCore.class.getDeclaredField("fNotifier");
    field.setAccessible(true);
    RunNotifier runNotifier = (RunNotifier) field.get(jUnitCore);
    runNotifier.pleaseStop();
    jUnitCore.run(computer, BeforeAfterTest.class, AssertionErrorTest.class);
}

This will throw a org.junit.runner.notification.StoppedByUserException.

If you want more flexibility or control, a better way to do the above is to just copy the bits you want from JUnitCore into your class, and then you've got direct control over the notifier, and listeners, etc. This is the nicest way to do it. JUnitCore isn't really deisgned to be extended.

Upvotes: 2

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