UnderTestTest.java

package testing;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.when;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;

@RunWith(MockInyectRunner.class)
public class UnderTestTest {
	@UnderTest
	private UnderTestObject longi;
	@Mock
	private Colaborator colaboradorEnTest;
	@Mock
	private Colaborator1 colaborador1EnTest;
	
	@Before
	public void foo() {
		System.out.println("En el before");
	}

	@Test
	public void testname() throws Exception {
		when(colaboradorEnTest.foo()).thenReturn(true);
		when(colaborador1EnTest.foo()).thenReturn(false);
		assertNotNull(longi);
		assertTrue(longi.foo());
		assertFalse(longi.bar());
	}
}

class UnderTestObject {
	private Colaborator colaborador;
	private Colaborator1 colaborador1;

	public boolean foo() {
		return colaborador.foo();
	}

	public boolean bar() {
		return colaborador1.foo();
	}
}

class Colaborator {

	public boolean foo() {
		return false;
	}

}

class Colaborator1 {

	public boolean foo() {
		return true;
	}

}