Mockito verify examples

Animal.java

public class Animal {
    boolean amIBird;

    public Animal(boolean amIBird) {
        this.amIBird = amIBird;
    }

    public void move(int distance) {
        boolean isBird = amIBird();
        if (isBird) {
            fly(distance);
        } else {
            doNotFly();
        }
    }

    public boolean amIBird() {
        return amIBird;
    }

    public void fly(int distance) {
        System.out.println("I am flying");
        for (int i = 0; i < distance; i++) {
            flapWings();
        }
    }

    public void flapWings() {
        System.out.println("Flapping wings");
    }

    public void doNotFly() {
        System.out.println("I am not flying");
    }


}

ParrotTest.java

import junit.framework.TestCase;
import org.junit.Before;
import org.junit.Test;
import org.mockito.InOrder;
import org.mockito.Mockito;

import static org.mockito.Mockito.*;

public class ParrotTest extends TestCase {

    private Animal parrot;

    @Before
    public void setUp() {
        parrot = new Animal(true);
    }

    @Test
    public void testInvocationOfMethod() {

        Animal mockedParrot = Mockito.spy(parrot);
        mockedParrot.move(2);

        //verify the number of invocations
        verify(mockedParrot, times(1)).amIBird();
        verify(mockedParrot, times(1)).fly(2);
        verify(mockedParrot, never()).doNotFly();
    }
    
    @Test
    public void testOrderOfMethods() {
        Animal mockedParrot = Mockito.spy(parrot);
        mockedParrot.move(1);

        //verify the order of invocations
        InOrder inOrder = Mockito.inOrder(mockedParrot);
        inOrder.verify(mockedParrot).amIBird();
        inOrder.verify(mockedParrot).fly(1);
        inOrder.verify(mockedParrot).flapWings();
    }

    @Test
    public void testLeastMaxNumberOfInvocations() {
        Animal mockedParrot = Mockito.spy(parrot);
        mockedParrot.move(3);

        verify(mockedParrot, atLeast(1)).flapWings();
        verify(mockedParrot, atMost(5)).flapWings();
    }

    @Test
    public void testNoInvocations() {
        Animal mockedParrot = Mockito.spy(parrot);
        parrot.move(3); //Note that this is parrot, not the 'mockedParrot'

        verifyNoMoreInteractions(mockedParrot);
    }
}