/*
* Copyright 2009 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.powermockito.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.PrivatePartialMockingExample;
import java.lang.reflect.Method;
import static org.junit.Assert.assertEquals;
import static org.powermock.api.mockito.PowerMockito.*;
import static org.powermock.api.support.membermodification.MemberMatcher.method;
/**
* Asserts that partial mocking (spying) with PowerMockito works for non-final
* private methods.
*/
@RunWith(PowerMockRunner.class)
@PrepareForTest(PrivatePartialMockingExample.class)
public class PrivatePartialMockingExampleTest {
@Test
public void spyingOnPrivateMethodsWorks() throws Exception {
final String expected = "TEST VALUE";
PrivatePartialMockingExample underTest = spy(new PrivatePartialMockingExample());
final String nameOfMethodToMock = "methodToMock";
final String input = "input";
when(underTest, nameOfMethodToMock, input).thenReturn(expected);
assertEquals(expected, underTest.methodToTest());
verifyPrivate(underTest).invoke(nameOfMethodToMock, input);
}
@Test
public void partialMockingOfPrivateMethodsWorks() throws Exception {
final String expected = "TEST VALUE";
PrivatePartialMockingExample underTest = spy(new PrivatePartialMockingExample());
final String nameOfMethodToMock = "methodToMock";
final String input = "input";
doReturn(expected).when(underTest, nameOfMethodToMock, input);
assertEquals(expected, underTest.methodToTest());
verifyPrivate(underTest).invoke(nameOfMethodToMock, input);
}
@Test
public void spyingOnPrivateMethodsWorksWithoutSpecifyingMethodName() throws Exception {
final String expected = "TEST VALUE";
PrivatePartialMockingExample underTest = spy(new PrivatePartialMockingExample());
final String input = "input";
final Method methodToMock = method(PrivatePartialMockingExample.class, String.class);
when(underTest, methodToMock).withArguments(input).thenReturn(expected);
assertEquals(expected, underTest.methodToTest());
verifyPrivate(underTest).invoke(methodToMock).withArguments(input);
}
@Test
public void partialMockingOfPrivateMethodsWorksWithoutSpecifyingMethodName() throws Exception {
final String expected = "TEST VALUE";
PrivatePartialMockingExample underTest = spy(new PrivatePartialMockingExample());
final String input = "input";
final Method methodToMock = method(PrivatePartialMockingExample.class, String.class);
doReturn(expected).when(underTest, methodToMock).withArguments(input);
assertEquals(expected, underTest.methodToTest());
verifyPrivate(underTest).invoke(methodToMock).withArguments(input);
}
}