How to use MethodInvocationHandler method of org.powermock.api.support.membermodification.strategy.impl.MethodReplaceStrategyImpl class

Best Powermock code snippet using org.powermock.api.support.membermodification.strategy.impl.MethodReplaceStrategyImpl.MethodInvocationHandler

Source:MethodReplaceStrategyImpl.java Github

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...35 throw new IllegalArgumentException(String.format("Replace requires static methods, '%s' is not static", this.method));36 } else if (!Modifier.isStatic(method.getModifiers())) {37 throw new IllegalArgumentException(String.format("Replace requires static methods, '%s' is not static", method));38 } else {39 MethodProxy.proxy(this.method, new MethodInvocationHandler(method));40 }41 }42 public void with(InvocationHandler invocationHandler) {43 if (invocationHandler == null) {44 throw new IllegalArgumentException("Invocation handler cannot be null");45 }46 MethodProxy.proxy(method, invocationHandler);47 }48 private final class MethodInvocationHandler implements InvocationHandler {49 private final Method methodDelegator;50 public MethodInvocationHandler(Method methodDelegator) {51 this.methodDelegator = methodDelegator;52 }53 public Object invoke(Object object, Method invokingMethod, Object[] arguments) throws Throwable {54 return methodDelegator.invoke(object, arguments);55 }56 }57}...

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MethodInvocationHandler

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1import org.powermock.api.support.membermodification.MemberModifier;2import org.powermock.api.support.membermodification.MemberMatcher;3import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher;4import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Field;5import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Method;6import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;7import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Method;8import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;9import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Field;10import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Field;11import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Method;12import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;13import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;14import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;15import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Method;16import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Field;17import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Field;18import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Method;19import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;20import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;21import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;22import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Method;23import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Field;24import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Field;25import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Method;26import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;27import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;28import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;29import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Method;30import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Field;31import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Field;32import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Method;33import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;34import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;35import org.powermock.api.support.membermodification.MemberModifier.MemberMatcher.Constructor;36import

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MethodInvocationHandler

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1public class MethodReplaceStrategyImplTest {2 public void testMethodReplaceStrategyImpl() throws Exception {3 MethodReplaceStrategyImpl methodReplaceStrategyImpl = new MethodReplaceStrategyImpl();4 Method method = String.class.getMethod("toString");5 String expected = "expected";6 Object[] params = new Object[]{};7 Object target = "target";8 Object actual = methodReplaceStrategyImpl.invoke(method, target, params);9 assertEquals(expected, actual);10 }11}12public class MethodReplaceStrategyImplTest {13 public void testMethodReplaceStrategyImpl() throws Exception {14 MethodReplaceStrategyImpl methodReplaceStrategyImpl = new MethodReplaceStrategyImpl();15 Method method = String.class.getMethod("toString");16 String expected = "expected";17 Object[] params = new Object[]{};18 Object target = "target";19 Object actual = methodReplaceStrategyImpl.invoke(method, target, params);20 assertEquals(expected, actual);21 }22}23public class MethodReplaceStrategyImplTest {24 public void testMethodReplaceStrategyImpl() throws Exception {25 MethodReplaceStrategyImpl methodReplaceStrategyImpl = new MethodReplaceStrategyImpl();26 Method method = String.class.getMethod("toString");27 String expected = "expected";28 Object[] params = new Object[]{};29 Object target = "target";30 Object actual = methodReplaceStrategyImpl.invoke(method, target, params);31 assertEquals(expected, actual);32 }33}34public class MethodReplaceStrategyImplTest {35 public void testMethodReplaceStrategyImpl() throws Exception {36 MethodReplaceStrategyImpl methodReplaceStrategyImpl = new MethodReplaceStrategyImpl();37 Method method = String.class.getMethod("toString");38 String expected = "expected";39 Object[] params = new Object[]{};40 Object target = "target";

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MethodInvocationHandler

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1 public void testGetUser() throws Exception {2 User user = new User();3 user.setFirstName("Amit");4 user.setLastName("Mishra");5 user.setAge(30);6 Mockito.when(userService.getUser(Mockito.anyString())).thenReturn(user);7 Mockito.when(userService.getAge(Mockito.anyString())).thenAnswer(new Answer<Integer>() {8 public Integer answer(InvocationOnMock invocation) throws Throwable {9 return 30;10 }11 });12 PowerMockito.replace(PowerMockito.method(MethodReplaceStrategyImpl.class, "methodInvocationHandler", Object.class, Method.class, Object[].class)).with(new MethodReplaceStrategyImpl() {13 public Object methodInvocationHandler(Object obj, Method method, Object[] args) throws Throwable {14 if (method.getName().equals("getAge")) {15 return 30;16 } else {17 return super.methodInvocationHandler(obj, method, args);18 }19 }20 });21 User actualUser = userService.getUser("Amit");22 Assert.assertEquals(user, actualUser);23 Assert.assertEquals(30, userService.getAge("Amit"));24 }25}26The methodInvocationHandler() method of method object accepts an object, a method object, and an array of objects and returns an object. We can use

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