How to use addDelegatorField method of org.powermock.core.ClassReplicaCreator class

Best Powermock code snippet using org.powermock.core.ClassReplicaCreator.addDelegatorField

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...81 try {82 originalClassAsCtClass = classpool.get(originalClassName);8384 copyFields(originalClassAsCtClass, newClass);85 addDelegatorField(delegator, newClass);8687 CtMethod[] declaredMethods = originalClassAsCtClass.getDeclaredMethods();88 for (CtMethod ctMethod : declaredMethods) {89 @SuppressWarnings("unused")90 final String code = getReplicaMethodDelegationCode(delegator.getClass(), ctMethod, POWERMOCK_INSTANCE_DELEGATOR_FIELD_NAME);91 /​/​ CtMethod make = CtNewMethod.make(ctMethod.getReturnType(),92 /​/​ ctMethod.getName(), ctMethod.getParameterTypes(), ctMethod93 /​/​ .getExceptionTypes(), code, newClass);94 CtMethod make2 = CtNewMethod.copy(ctMethod, newClass, null);95 /​/​ make2.setBody(code);96 newClass.addMethod(make2);97 }9899 CtConstructor[] declaredConstructors = originalClassAsCtClass.getDeclaredConstructors();100 for (CtConstructor ctConstructor : declaredConstructors) {101 CtConstructor copy = CtNewConstructor.copy(ctConstructor, newClass, null);102 newClass.addConstructor(copy);103 }104 return newClass.toClass(this.getClass().getClassLoader(), this.getClass().getProtectionDomain());105 } catch (Exception e) {106 throw new RuntimeException(e);107 }108 }109110 /​**111 * Add a field to the replica class that holds the instance delegator. I.e.112 * if we're creating a instance replica of <code>java.lang.Long</​code> this113 * methods adds a new field of type <code>delegator.getClass()</​code> to the114 * replica class.115 */​116 private <T> void addDelegatorField(T delegator, final CtClass replicaClass) throws CannotCompileException {117 CtField f = CtField.make(String.format("private %s %s = null;", delegator.getClass().getName(),118 POWERMOCK_INSTANCE_DELEGATOR_FIELD_NAME), replicaClass);119 replicaClass.addField(f);120 }121122 private <T> String generateReplicaClassName(final Class<T> clazz) {123 return "replica." + clazz.getName() + "$$PowerMock" + counter.getAndIncrement();124 }125126 private void copyFields(CtClass originalClassAsCtClass, final CtClass newClass) throws CannotCompileException, NotFoundException {127 CtField[] declaredFields = originalClassAsCtClass.getDeclaredFields();128 CtField[] undeclaredFields = originalClassAsCtClass.getFields();129 Set<CtField> allFields = new HashSet<CtField>();130 for (CtField ctField : declaredFields) { ...

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addDelegatorField

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1public final PowerMockRule powerMockRule = new PowerMockRule();2public void testAddDelegatorField() throws Exception {3 final ClassReplicaCreator creator = new ClassReplicaCreator();4 final Class<?> clazz = creator.createReplica(ExampleClass.class, ExampleClassReplica.class);5 final Field field = creator.addDelegatorField(clazz, "field", "field", "field");6 assertEquals("field", field.getName());7 assertEquals("field", field.getGenericType().getTypeName());8 assertEquals("field", field.get(clazz.newInstance()));9}10public final PowerMockRule powerMockRule = new PowerMockRule();11public void testAddDelegatorMethod() throws Exception {12 final ClassReplicaCreator creator = new ClassReplicaCreator();13 final Class<?> clazz = creator.createReplica(ExampleClass.class, ExampleClassReplica.class);14 final Method method = creator.addDelegatorMethod(clazz, "method", "method", "method");15 assertEquals("method", method.getName());16 assertEquals("method", method.getGenericReturnType().getTypeName());17 assertEquals("method", method.invoke(clazz.newInstance()));18}19public final PowerMockRule powerMockRule = new PowerMockRule();20public void testCreateReplica() throws Exception {21 final ClassReplicaCreator creator = new ClassReplicaCreator();22 final Class<?> clazz = creator.createReplica(ExampleClass.class, ExampleClassReplica.class);23 assertEquals("ExampleClassReplica", clazz.getSimpleName());24 assertEquals("ExampleClass", clazz.getSuperclass().getSimpleName());25}26public final PowerMockRule powerMockRule = new PowerMockRule();27public void testCreateReplicaAndAddDelegatorField() throws Exception {28 final ClassReplicaCreator creator = new ClassReplicaCreator();29 final Class<?> clazz = creator.createReplica(ExampleClass.class, ExampleClassReplica.class);

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1import org.powermock.reflect.Whitebox;2public class TestClass {3 public static void main(String[] args) {4 ClassReplicaCreator creator = new ClassReplicaCreator();5 Class<?> clazz = creator.createReplica(SomeClass.class);6 SomeClass someClass = (SomeClass) Whitebox.newInstance(clazz);7 someClass.setField("hello");8 System.out.println(someClass.getField());9 }10}11public class SomeClass {12 private String field;13 public String getField() {14 return field;15 }16 public void setField(String field) {17 this.field = field;18 }19}20import org.powermock.reflect.Whitebox;21public class TestClass {22 public static void main(String[] args) {23 ClassReplicaCreator creator = new ClassReplicaCreator();24 Class<?> clazz = creator.createReplica(SomeClass.class);25 clazz = creator.addDelegatorField(clazz, "field", String.class).build();26 SomeClass someClass = (SomeClass) Whitebox.newInstance(clazz);27 someClass.setField("hello");28 System.out.println(someClass.getField());29 }30}31public class SomeClass {32 private String field;33 public String getField() {34 return field;35 }36 public void setField(String field) {37 this.field = field;38 }39}

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1import org.powermock.core.ClassReplicaCreator2import org.powermock.core.classloader.annotations.PrepareForTest3import org.powermock.reflect.Whitebox4import org.powermock.reflect.internal.WhiteboxImpl5import org.powermock.api.mockito.PowerMockito6import org.powermock.api.mockito.PowerMockito.*7import org.powermock.api.support.membermodification.MemberMatcher8import org.powermock.api.support.membermodification.MemberModifier9import org.powermock.modules.junit4.PowerMockRunner10import org.powermock.modules.junit4.PowerMockRunnerDelegate11import org.powermock.modules.testng.PowerMockTestCase12import org.powermock.modules.testng.PowerMockRunner13import org.powermock.modules.testng.PowerMockRunnerDelegate14import org.powermock.api.mockito.PowerMockito15import org.powermock.api.mockito.PowerMockito.*16import org.powermock.api.support.membermodification.MemberMatcher17import org.powermock.api.support.membermodification.MemberModifier18import org.powermock.api.support.membermodification.MemberModifier.*19import org.powermock.core.classloader.annotations.PrepareForTest20import org.powermock.reflect.Whitebox21import org.powermock.reflect.internal.WhiteboxImpl22import org.testng.annotations.BeforeMethod23import org.testng.annotations.Test24import org.testng.Assert25import org.testng.Assert.*26import org.testng.annotations.BeforeClass27import org.testng.annotations.BeforeGroups28import org.testng.annotations.BeforeMethod29import org.testng.annotations.BeforeTest30import org.testng.annotations.DataProvider31import org.testng.annotations.Factory32import org.testng.annotations.Parameters33import org.testng.annotations.AfterClass34import org.testng.annotations.AfterGroups35import org.testng.annotations.AfterMethod36import org.testng.annotations.AfterTest37import org.testng.annotations.BeforeClass38import org.testng.annotations.BeforeGroups39import org.testng.annotations.BeforeMethod40import org.testng.annotations.BeforeTest41import org.testng.annotations.DataProvider42import org.testng.annotations.Factory43import org.testng.annotations.Parameters44import org.testng.annotations.AfterClass45import org.testng.annotations.AfterGroups46import org.testng.annotations.AfterMethod47import org.testng.annotations.AfterTest48import org.testng.annotations.BeforeClass49import org.testng.annotations.BeforeGroups50import org.testng.annotations.BeforeMethod51import org.testng.annotations.BeforeTest52import org.testng.annotations.DataProvider53import org.testng.annotations.Factory54import org.testng.annotations.Parameters55import org.testng.annotations.AfterClass56import org.testng

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