How to use MockSelfPrivateFieldServiceClass class of samples.privatefield package

Best Powermock code snippet using samples.privatefield.MockSelfPrivateFieldServiceClass

Source:MockSelfPrivateFieldServiceClassTest.java Github

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...19import org.junit.runner.RunWith;20import org.powermock.core.classloader.annotations.PrepareForTest;21import org.powermock.modules.junit4.PowerMockRunner;22import samples.Service;23import samples.privatefield.MockSelfPrivateFieldServiceClass;24/**25 * A test class that demonstrate how to test classes that uses a private field26 * for a service and has no corresponding setter and at the same time mocking a27 * method of the actual test class. This is approach is common in DI frameworks28 * like Guice and Wicket IoC.29 *30 * @author Johan Haleby31 */32@RunWith(PowerMockRunner.class)33@PrepareForTest(MockSelfPrivateFieldServiceClass.class)34public class MockSelfPrivateFieldServiceClassTest {35 @Test36 public void testGetCompositeMessage() throws Exception {37 MockSelfPrivateFieldServiceClass tested = createPartialMock(MockSelfPrivateFieldServiceClass.class, "getOwnMessage");38 Service serviceMock = createMock(Service.class);39 setInternalState(tested, "service", serviceMock, MockSelfPrivateFieldServiceClass.class);40 final String expected = "Hello world";41 expectPrivate(tested, "getOwnMessage").andReturn("Hello");42 expect(serviceMock.getServiceMessage()).andReturn(" world");43 replay(serviceMock);44 replay(tested);45 final String actual = tested.getCompositeMessage();46 verify(serviceMock);47 verify(tested);48 Assert.assertEquals(expected, actual);49 }50}...

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