Performs "verify no more interactions" check automatically for all mock objects (works with Mockito version 2 or higher & JUnit version 4 and 5). For detailed description: https://ufukuzun.wordpress.com/2019/04/09/ne-olup-bittiginden-habersiz-testlere-derman-mockscollector/ (Turkish)

BaseMockito2JUnit4Test.java

import org.apache.commons.lang3.ArrayUtils;
import org.junit.After;
import org.junit.runner.RunWith;
import org.mockito.InOrder;
import org.mockito.junit.MockitoJUnitRunner;

import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.verifyNoMoreInteractions;

@RunWith(MockitoJUnitRunner.class)
public abstract class BaseMockito2JUnit4Test {

    private final Mockito2MocksCollector mockito2MocksCollector = new Mockito2MocksCollector();

    @After
    public void after() {
        final Object[] allMocks = mockito2MocksCollector.getAllMocks();
        if (ArrayUtils.isNotEmpty(allMocks)) {
            verifyNoMoreInteractions(allMocks);
        }
        mockito2MocksCollector.close();
    }

    protected InOrder inOrderVerifier() {
        return inOrder(mockito2MocksCollector.getAllMocks());
    }

}

BaseMockito2JUnit5Test.java

import org.apache.commons.lang3.ArrayUtils;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InOrder;
import org.mockito.junit.jupiter.MockitoExtension;

import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.verifyNoMoreInteractions;

@ExtendWith(MockitoExtension.class)
public class BaseMockito2JUnit5Test {

    private final Mockito2MocksCollector mockito2MocksCollector = new Mockito2MocksCollector();

    @AfterEach
    void after() {
        final Object[] allMocks = mockito2MocksCollector.getAllMocks();
        if (ArrayUtils.isNotEmpty(allMocks)) {
            verifyNoMoreInteractions(allMocks);
        }
        mockito2MocksCollector.close();
    }

    protected InOrder inOrderVerifier() {
        return inOrder(mockito2MocksCollector.getAllMocks());
    }

}

Mockito2MocksCollector.java

import org.mockito.Mockito;
import org.mockito.internal.progress.MockingProgress;
import org.mockito.internal.progress.ThreadSafeMockingProgress;
import org.mockito.listeners.MockCreationListener;

import java.util.LinkedList;
import java.util.List;

public final class Mockito2MocksCollector {

    private final List<Object> createdMocks = new LinkedList<>();

    private final MockCreationListener mockCreationListener;

    public Mockito2MocksCollector() {
        MockingProgress mockingProgress = ThreadSafeMockingProgress.mockingProgress();
        mockCreationListener = (mock, settings) -> createdMocks.add(mock);
        mockingProgress.addListener(mockCreationListener);
    }

    public void close() {
        Mockito.framework().removeListener(mockCreationListener);
    }

    public Object[] getAllMocks() {
        return createdMocks.toArray();
    }

}

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