PrimitiveAndWrapperUserTest.java

package samples.junit4.expectnew;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import samples.expectnew.PrimitiveAndWrapperDemo;
import samples.expectnew.PrimitiveAndWrapperUser;

import static org.easymock.EasyMock.expect;
import static org.junit.Assert.assertEquals;
import static org.powermock.api.easymock.PowerMock.*;

/**
 * Unit test for the {@link PrimitiveAndWrapperUser} class.
 */
@RunWith(PowerMockRunner.class)
@PrepareForTest(PrimitiveAndWrapperUser.class)
public class PrimitiveAndWrapperUserTest {

	@Test
	public void testNewWithStrictMocking_ok() throws Exception {
		PrimitiveAndWrapperDemo mock1 = createStrictMockAndExpectNew(PrimitiveAndWrapperDemo.class, new Class<?>[] { Integer.class }, 42);
		PrimitiveAndWrapperDemo mock2 = createStrictMockAndExpectNew(PrimitiveAndWrapperDemo.class, new Class<?>[] { int.class }, 21);

		expect(mock1.getMyInt()).andReturn(10);
		expect(mock2.getMyInt()).andReturn(21);

		replayAll();

		assertEquals(31, new PrimitiveAndWrapperUser().useThem());

		verifyAll();
	}

	@Test(expected = AssertionError.class)
	public void testNewWithStrictMocking_notOk() throws Exception {
		PrimitiveAndWrapperDemo mock2 = createStrictMockAndExpectNew(PrimitiveAndWrapperDemo.class, new Class<?>[] { int.class }, 21);
		PrimitiveAndWrapperDemo mock1 = createStrictMockAndExpectNew(PrimitiveAndWrapperDemo.class, new Class<?>[] { Integer.class }, 42);

		expect(mock1.getMyInt()).andReturn(10);
		expect(mock2.getMyInt()).andReturn(21);

		replayAll();

		assertEquals(31, new PrimitiveAndWrapperUser().useThem());

		verifyAll();
	}

	@Test
	public void testNewWithNiceMocking() throws Exception {
		PrimitiveAndWrapperDemo mock = createNiceMockAndExpectNew(PrimitiveAndWrapperDemo.class, new Class<?>[] { Integer.class }, 42);
		expect(mock.getMyInt()).andReturn(2);

		replayAll();

		assertEquals(2, new PrimitiveAndWrapperUser().useThem());

		verifyAll();
	}
}