MockSelfDemoWithSubClassTest.java

/*
 * Copyright 2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package samples.junit4.partialmocking;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import samples.partialmocking.MockSelfDemoWithSubClass;

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

@RunWith(PowerMockRunner.class)
@PrepareForTest(MockSelfDemoWithSubClass.class)
public class MockSelfDemoWithSubClassTest {

	@Test
	public void testMockPartialMethodInChildClass() throws Exception {
		MockSelfDemoWithSubClass tested = createPartialMock(
				MockSelfDemoWithSubClass.class, "getAMessage",
				"getInternalMessage");

		final String getAMessageMock = "Hello ";
		final String getInternalMessageMock = "World!";
		final String expected = getInternalMessageMock + getAMessageMock;

		expect(tested.getAMessage()).andReturn(getAMessageMock);
		expectPrivate(tested, "getInternalMessage").andReturn(
				getInternalMessageMock);

		replay(tested);

		String actual = tested.getMessage();

		verify(tested);

		assertEquals(expected, actual);
	}
}