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How to use getEnumValue method of org.powermock.classloading.DeepCloner class

Best Powermock code snippet using org.powermock.classloading.DeepCloner.getEnumValue

Source:DeepCloner.java

...184	@SuppressWarnings({ "unchecked", "rawtypes" })185	private Object cloneEnum(ClassLoader targetCL, Object source) {186		Object target;187		final Class enumClassLoadedByTargetCL = ClassLoaderUtil.loadClass(getType(source), targetCL);188		target = getEnumValue(source, enumClassLoadedByTargetCL);189		return target;190	}191	@SuppressWarnings("unchecked")192	private <T> void cloneFields(ClassLoader targetCL, Class<T> targetClass, Object source, Object target,193			Map<Object, Object> referenceMap, boolean cloneStandardJavaTypes) {194		Class<?> currentTargetClass = targetClass;195		while (currentTargetClass != null) {196			for (Field field : currentTargetClass.getDeclaredFields()) {197				if (field.getAnnotation(doNotClone) != null) {198					continue;199				}200				field.setAccessible(true);201				try {202					final Field declaredField = Whitebox.getField(getType(source), field.getName());203					declaredField.setAccessible(true);204					final Object object = declaredField.get(source);205					final Object instantiatedValue;206					if (object == source) {207						instantiatedValue = target;208					} else if (referenceMap.containsKey(object)) {209						instantiatedValue = referenceMap.get(object);210					} else {211						if (object == null && !isIterable(object)) {212							instantiatedValue = object;213						} else {214							Class<Object> type = getType(object);215							if (type.getName().equals("void")) {216								type = Class.class.cast(Class.class);217							}218							final Class<Object> typeLoadedByCL = ClassLoaderUtil.loadClass(type, targetCL219                            );220							if (type.isEnum()) {221								instantiatedValue = getEnumValue(object, typeLoadedByCL);222							} else {223								instantiatedValue = performClone(typeLoadedByCL, object, cloneStandardJavaTypes);224							}225						}226					}227					final boolean needsUnsafeWrite = field.isEnumConstant() || isStaticFinalModifier(field);228					if (needsUnsafeWrite) {229						UnsafeFieldWriter.write(field, target, instantiatedValue);230					} else {231						field.set(target, instantiatedValue);232					}233				} catch (RuntimeException e) {234					throw e;235				} catch (Exception e) {236					throw new RuntimeException(e);237				}238			}239			currentTargetClass = currentTargetClass.getSuperclass();240		}241	}242	private static <T> boolean isStandardJavaType(Class<T> targetClass) {243		return targetClass.getName().startsWith("java.");244	}245	private static boolean isStaticFinalModifier(final Field field) {246		final int modifiers = field.getModifiers();247		return Modifier.isFinal(modifiers) && Modifier.isStatic(modifiers)248				|| field.getDeclaringClass().equals(Character.class) && field.getName().equals("MIN_RADIX");249	}250	private static boolean isIterable(final Object object) {251		return object != null && isIterable(object.getClass());252	}253	private static boolean isIterable(final Class<?> cls) {254		return Iterable.class.isAssignableFrom(cls);255	}256	@SuppressWarnings({ "unchecked", "rawtypes" })257	private static Enum getEnumValue(final Object enumValueOfSourceClassloader,258			final Class<Object> enumTypeLoadedByTargetCL) {259		return Enum.valueOf((Class) enumTypeLoadedByTargetCL, ((Enum) enumValueOfSourceClassloader).toString());260	}261	private Object instantiateArray(ClassLoader targetCL, Class<?> arrayClass, Object objectToClone,262                                    boolean cloneStandardJavaTypes) {263		final int arrayLength = Array.getLength(objectToClone);264		final Object array = Array.newInstance(arrayClass.getComponentType(), arrayLength);265		for (int i = 0; i < arrayLength; i++) {266			final Object object = Array.get(objectToClone, i);267			final Object performClone;268			if (object == null) {269				performClone = null;270			} else {271				performClone = performClone(ClassLoaderUtil.loadClass(getType(object), targetCL),...

getEnumValue

Using AI Code Generation

1package com.example;2import org.powermock.classloading.DeepCloner;3public class Test {4    public static void main(String[] args) {5        System.out.println(DeepCloner.getEnumValue("com.example.Test$MyEnum", "A"));6    }7    public enum MyEnum {8    }9}10package com.example;11public class Test {12    public static void main(String[] args) {13        System.out.println(getValue());14    }15    public static String getValue() {16        return "Hello";17    }18}19package com.example;20import org.junit.Test;21import org.junit.runner.RunWith;22import org.powermock.api.mockito.PowerMockito;23import org.powermock.core.classloader.annotations.PrepareForTest;24import org.powermock.modules.junit4.PowerMockRunner;25@RunWith(PowerMockRunner.class)26@PrepareForTest(Test.class)27public class TestTest {28    public void getValue() {29        PowerMockito.mockStatic(Test.class);30        PowerMockito.when(Test.getValue()).thenReturn("World");31        System.out.println(Test.getValue());32    }33}34package com.example;35public class Test {36    public static void main(String[] args) {37        System.out.println(getValue());38    }39    public static String getValue() {40        return "Hello";41    }42}43package com.example;44import org.junit.Test;45import org.junit.runner.RunWith;46import org.mockito.Mock;47import org.mockito.junit.MockitoJUnitRunner;48import static org.mockito.Mockito.when;49@RunWith(MockitoJUnitRunner.class)50public class TestTest {51    Test test;52    public void getValue() {53        when(test.getValue()).thenReturn("World");54        System.out.println(test.getValue());55    }56}

getEnumValue

Using AI Code Generation

1import org.powermock.classloading.DeepCloner;2import org.powermock.classloading.DeepCloner$EnumValue;3import org.powermock.core.classloader.MockClassLoader;4public class Test {5    public static void main(String[] args) {6        MockClassLoader mockClassLoader = new MockClassLoader();7        String enumClassName = "org.powermock.classloading.DeepCloner$EnumValue";8        try {9            Class<?> enumClass = mockClassLoader.loadClass(enumClassName);10            Object enumValue = DeepCloner.getEnumValue(enumClass, "A");11            System.out.println(enumValue);12        } catch (ClassNotFoundException e) {13            e.printStackTrace();14        }15    }16}17import org.powermock.api.easymock.PowerMock;18import org.powermock.api.easymock.annotation.Mock;19import org.powermock.core.classloader.MockClassLoader;20import org.powermock.modules.junit4.PowerMockRunner;21import org.junit.Test;22import org.junit.runner.RunWith;23import org.powermock.classloading.DeepCloner;24import org.powermock.classloading.DeepCloner$EnumValue;25@RunWith(PowerMockRunner.class)26public class Test {27    private Class<DeepCloner$EnumValue> enumClass;28    private DeepCloner$EnumValue enumValue;29    public void test() {30        PowerMock.mockStatic(Class.class);31        PowerMock.expectPrivate(Class.class, "getEnumConstants", enumClass).andReturn(new DeepCloner$EnumValue[]{enumValue});32        PowerMock.replay(Class.class, enumClass, enumValue);33        DeepCloner.getEnumValue(enumClass, "A");34        PowerMock.verify(Class.class, enumClass, enumValue);35    }36}

getEnumValue

Using AI Code Generation

1public enum MyEnum {2    A,B,C;3}4public class MyObject {5    private MyEnum myEnum;6    public MyObject(MyEnum myEnum) {7        this.myEnum = myEnum;8    }9    public MyEnum getMyEnum() {10        return myEnum;11    }12}13public class MyTest {14    public void test() {15        MyObject myObject = new MyObject(MyEnum.A);16        MyObject myObjectClone = DeepCloner.clone(myObject);17        Assert.assertEquals(myObject.getMyEnum(), myObjectClone.getMyEnum());18    }19}20The reason for this is that the enum value is cloned by the DeepCloner using the name of the enum constant (A) and not the actual constant (B). The following code shows how to fix the problem:21public class MyTest {22    public void test() {23        MyObject myObject = new MyObject(MyEnum.A);24        MyObject myObjectClone = DeepCloner.clone(myObject);25        Assert.assertEquals(myObject.getMyEnum(), myObjectClone.getMyEnum());26    }27    public void setUp() {28        Whitebox.setInternalState(DeepCloner.class, "getEnumValue", new MyGetEnumValue());29    }30    private static class MyGetEnumValue implements IAnswer<Object> {31        public Object answer() throws Throwable {32            Class<?> enumClass = (Class<?>) getCurrentArguments()[0];33            String enumName = (String) getCurrentArguments()[1];34            return Enum.valueOf((Class<Enum>) enumClass, enumName);35        }36    }37}

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