How to use JavassistMockClassLoader class of org.powermock.core.classloader.javassist package

Best Powermock code snippet using org.powermock.core.classloader.javassist.JavassistMockClassLoader

Source:XStreamClassloaderExecutorTest.java

...16package powermock.classloading;17import org.junit.Test;18import org.powermock.classloading.SingleClassloaderExecutor;19import org.powermock.core.classloader.MockClassLoader;20import org.powermock.core.classloader.javassist.JavassistMockClassLoader;21import org.powermock.core.transformers.ClassWrapper;22import org.powermock.core.transformers.MockTransformer;23import org.powermock.core.transformers.support.DefaultMockTransformerChain;24import powermock.classloading.classes.MyArgument;25import powermock.classloading.classes.MyClass;26import powermock.classloading.classes.MyCollectionHolder;27import powermock.classloading.classes.MyEnum;28import powermock.classloading.classes.MyEnumHolder;29import powermock.classloading.classes.MyHierarchicalFieldHolder;30import powermock.classloading.classes.MyHierarchicalOverloadedFieldHolder;31import powermock.classloading.classes.MyIntegerHolder;32import powermock.classloading.classes.MyPrimitiveArrayHolder;33import powermock.classloading.classes.MyReferenceFieldHolder;34import powermock.classloading.classes.MyReturnValue;35import powermock.classloading.classes.MyStaticFinalArgumentHolder;36import powermock.classloading.classes.MyStaticFinalNumberHolder;37import powermock.classloading.classes.MyStaticFinalPrimitiveHolder;38import powermock.classloading.classes.ReflectionMethodInvoker;39import java.lang.reflect.Method;40import java.util.Collection;41import java.util.LinkedList;42import java.util.concurrent.Callable;43import static org.junit.Assert.assertArrayEquals;44import static org.junit.Assert.assertEquals;45import static org.junit.Assert.assertFalse;46import static org.junit.Assert.assertNotSame;47import static org.junit.Assert.assertSame;48import static org.junit.Assert.assertTrue;49public class XStreamClassloaderExecutorTest {50	@Test51	public void loadsObjectGraphInSpecifiedClassloaderAndReturnsResultInOriginalClassloader() throws Exception {52		MockClassLoader classloader = createClassloader();53		final MyReturnValue expectedConstructorValue = new MyReturnValue(new MyArgument("first value"));54		final MyClass myClass = new MyClass(expectedConstructorValue);55		final MyArgument expected = new MyArgument("A value");56		MyReturnValue[] actual = new SingleClassloaderExecutor(classloader).execute(new Callable<MyReturnValue[]>() {57			public MyReturnValue[] call() throws Exception {58				assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass().getName());59				return myClass.myMethod(expected);60			}61		});62		assertFalse(JavassistMockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));63		final MyReturnValue myReturnValue = actual[0];64		assertEquals(expectedConstructorValue.getMyArgument().getValue(), myReturnValue.getMyArgument().getValue());65		assertEquals(expected.getValue(), actual[1].getMyArgument().getValue());66	}67	@Test68	public void loadsObjectGraphThatIncludesPrimitiveValuesInSpecifiedClassloaderAndReturnsResultInOriginalClassloader()69			throws Exception {70		MockClassLoader classloader = createClassloader();71		final Integer expected = 42;72		final MyIntegerHolder myClass = new MyIntegerHolder(expected);73		Integer actual = new SingleClassloaderExecutor(classloader).execute(new Callable<Integer>() {74			public Integer call() throws Exception {75				assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass().getName());76				final int myInteger = myClass.getMyInteger();77				assertEquals((int) expected, myInteger);78				return myInteger;79			}80		});81		assertFalse(JavassistMockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));82		assertEquals(expected, actual);83	}84	@Test85	public void loadsObjectGraphThatIncludesEnumsInSpecifiedClassloaderAndReturnsResultInOriginalClassloader()86			throws Exception {87		MockClassLoader classloader = createClassloader();88		final MyEnum expected = MyEnum.MyEnum1;89		final MyEnumHolder myClass = new MyEnumHolder(expected);90		MyEnum actual = new SingleClassloaderExecutor(classloader).execute(new Callable<MyEnum>() {91			public MyEnum call() throws Exception {92				assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass().getName());93				MyEnum myEnum = myClass.getMyEnum();94				assertEquals(expected, myEnum);95				return myEnum;96			}97		});98		assertFalse(JavassistMockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));99		assertEquals(expected, actual);100	}101	@Test102	public void clonesStaticFinalObjectFields() throws Exception {103		MockClassLoader classloader = createClassloader();104		final MyStaticFinalArgumentHolder expected = new MyStaticFinalArgumentHolder();105		MyStaticFinalArgumentHolder actual = new SingleClassloaderExecutor(classloader)106				.execute(new Callable<MyStaticFinalArgumentHolder>() {107					public MyStaticFinalArgumentHolder call() throws Exception {108						assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass()109								.getName());110						MyStaticFinalArgumentHolder actual = new MyStaticFinalArgumentHolder();111						assertEquals(expected.getMyObject(), actual.getMyObject());112						return actual;113					}114				});115		assertFalse(JavassistMockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));116		assertEquals(expected.getMyObject(), actual.getMyObject());117	}118	@Test119	public void clonesStaticFinalPrimitiveFields() throws Exception {120		MockClassLoader classloader = createClassloader();121		final MyStaticFinalPrimitiveHolder expected = new MyStaticFinalPrimitiveHolder();122		MyStaticFinalPrimitiveHolder actual = new SingleClassloaderExecutor(classloader)123				.execute(new Callable<MyStaticFinalPrimitiveHolder>() {124					public MyStaticFinalPrimitiveHolder call() throws Exception {125						assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass()126								.getName());127						MyStaticFinalPrimitiveHolder actual = new MyStaticFinalPrimitiveHolder();128						assertEquals(expected.getMyInt(), actual.getMyInt());129						return actual;130					}131				});132		assertFalse(JavassistMockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));133		assertEquals(expected.getMyInt(), actual.getMyInt());134	}135	@Test136	public void clonesStaticFinalNumberFields() throws Exception {137		MockClassLoader classloader = createClassloader();138		final MyStaticFinalNumberHolder expected = new MyStaticFinalNumberHolder();139		MyStaticFinalNumberHolder actual = new SingleClassloaderExecutor(classloader)140				.execute(new Callable<MyStaticFinalNumberHolder>() {141					public MyStaticFinalNumberHolder call() throws Exception {142						assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass()143								.getName());144						MyStaticFinalNumberHolder actual = new MyStaticFinalNumberHolder();145						assertEquals(expected.getMyLong(), actual.getMyLong());146						return actual;147					}148				});149		assertFalse(JavassistMockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));150		assertEquals(expected.getMyLong(), actual.getMyLong());151	}152	@Test153	public void loadsObjectGraphThatIncludesPrimitiveArraysInSpecifiedClassloaderAndReturnsResultInOriginalClassloader()154			throws Exception {155		MockClassLoader classloader = createClassloader();156		final int[] expected = new int[] { 1, 2 };157		final MyPrimitiveArrayHolder myClass = new MyPrimitiveArrayHolder(expected);158		int[] actual = new SingleClassloaderExecutor(classloader).execute(new Callable<int[]>() {159			public int[] call() throws Exception {160				assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass().getName());161				int[] myArray = myClass.getMyArray();162				assertArrayEquals(expected, myArray);163				return myArray;164			}165		});166		assertFalse(JavassistMockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));167		assertArrayEquals(expected, actual);168	}169	@Test170	public void loadsObjectGraphThatIncludesCollectionInSpecifiedClassloaderAndReturnsResultInOriginalClassloader()171			throws Exception {172		final MockClassLoader classloader = createClassloader();173		final Collection<MyReturnValue> expected = new LinkedList<MyReturnValue>();174		expected.add(new MyReturnValue(new MyArgument("one")));175		expected.add(new MyReturnValue(new MyArgument("two")));176		final MyCollectionHolder myClass = new MyCollectionHolder(expected);177		Collection<?> actual = new SingleClassloaderExecutor(classloader).execute(new Callable<Collection<?>>() {178			public Collection<?> call() throws Exception {179				assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass().getName());180				Collection<?> myCollection = myClass.getMyCollection();181				for (Object object : myCollection) {182					assertEquals(JavassistMockClassLoader.class.getName(), object.getClass().getClassLoader().getClass()183							.getName());184				}185				return myCollection;186			}187		});188		assertFalse(JavassistMockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));189		assertEquals(2, actual.size());190		for (Object object : actual) {191			final String value = ((MyReturnValue) object).getMyArgument().getValue();192			assertTrue(value.equals("one") || value.equals("two"));193		}194	}195	@Test196	public void usesReferenceCloningWhenTwoFieldsPointToSameInstance() throws Exception {197		final MockClassLoader classloader = createClassloader();198		final MyReferenceFieldHolder tested = new MyReferenceFieldHolder();199		assertSame(tested.getMyArgument1(), tested.getMyArgument2());200		assertSame(tested.getMyArgument1(), MyReferenceFieldHolder.MY_ARGUMENT);201		new SingleClassloaderExecutor(classloader).execute(new Runnable() {202			public void run() {203				assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass().getName());204				assertEquals(tested.getMyArgument1(), tested.getMyArgument2());205				assertEquals(tested.getMyArgument1(), MyReferenceFieldHolder.MY_ARGUMENT);206				assertSame(tested.getMyArgument1(), tested.getMyArgument2());207				// FIXME: This assertion should work:208				// assertSame(tested.getMyArgument1(), MyReferenceFieldHolder.MY_ARGUMENT);209			}210		});211	}212	@Test213	public void worksWithObjectHierarchy() throws Exception {214		final MockClassLoader classloader = createClassloader();215		final MyHierarchicalFieldHolder tested = new MyHierarchicalFieldHolder();216		assertSame(tested.getMyArgument1(), tested.getMyArgument2());217		assertEquals(tested.getMyArgument3(), tested.getMyArgument2());218		new SingleClassloaderExecutor(classloader).execute(new Runnable() {219			public void run() {220				assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass().getName());221				assertSame(tested.getMyArgument1(), tested.getMyArgument2());222				assertEquals(tested.getMyArgument3(), tested.getMyArgument2());223			}224		});225	}226	@Test227	public void worksWithObjectHierarchyAndOverloadedFields() throws Exception {228		final MockClassLoader classloader = createClassloader();229		final MyHierarchicalOverloadedFieldHolder tested = new MyHierarchicalOverloadedFieldHolder();230		assertSame(tested.getMyArgument1(), tested.getMyArgument2());231		assertEquals(tested.getMyArgument1(), tested.getMyArgument3());232		assertSame(tested.getMyArgument3(), MyHierarchicalOverloadedFieldHolder.MY_ARGUMENT);233		assertNotSame(MyReferenceFieldHolder.MY_ARGUMENT, MyHierarchicalOverloadedFieldHolder.MY_ARGUMENT);234		assertEquals(MyReferenceFieldHolder.MY_ARGUMENT, MyHierarchicalOverloadedFieldHolder.MY_ARGUMENT);235		new SingleClassloaderExecutor(classloader).execute(new Runnable() {236			public void run() {237				assertEquals(JavassistMockClassLoader.class.getName(), this.getClass().getClassLoader().getClass().getName());238				assertSame(tested.getMyArgument1(), tested.getMyArgument2());239				assertEquals(tested.getMyArgument1(), tested.getMyArgument3());240                // Note: Cannot be same using X-Stream241				assertEquals(tested.getMyArgument3(), MyHierarchicalOverloadedFieldHolder.MY_ARGUMENT);242				assertNotSame(MyReferenceFieldHolder.MY_ARGUMENT, MyHierarchicalOverloadedFieldHolder.MY_ARGUMENT);243				assertEquals(MyReferenceFieldHolder.MY_ARGUMENT, MyHierarchicalOverloadedFieldHolder.MY_ARGUMENT);244			}245		});246	}247	@Test248	public void worksWithReflection() throws Exception {249		final MockClassLoader classloader = createClassloader();250		final MyArgument myArgument = new MyArgument("test");251		final MyReturnValue instance = new MyReturnValue(myArgument);252		Method method = instance.getClass().getMethod("getMyArgument");253		final ReflectionMethodInvoker tested = new ReflectionMethodInvoker(method, instance);254		new SingleClassloaderExecutor(classloader).execute(new Runnable() {255			public void run() {256				Object invoke = tested.invoke();257				assertSame(invoke, myArgument);258			}259		});260	}261	private MockClassLoader createClassloader() {262		MockClassLoader classloader = new JavassistMockClassLoader(new String[] { MyClass.class.getName(),263				MyArgument.class.getName(), MyReturnValue.class.getName() });264		MockTransformer mainMockTransformer = new MockTransformer<Object>() {265			@Override266			public ClassWrapper<Object> transform(ClassWrapper<Object> clazz) throws Exception {267				return clazz;268			}269		};270		classloader.setMockTransformerChain(DefaultMockTransformerChain.newBuilder().append(mainMockTransformer).build());271		return classloader;272	}273}...

Source:ObjenesisClassloaderExecutorTest.java

...17import org.junit.Ignore;18import org.junit.Test;19import org.powermock.classloading.SingleClassloaderExecutor;20import org.powermock.core.classloader.MockClassLoader;21import org.powermock.core.classloader.javassist.JavassistMockClassLoader;22import org.powermock.core.transformers.ClassWrapper;23import org.powermock.core.transformers.MockTransformer;24import org.powermock.core.transformers.support.DefaultMockTransformerChain;25import powermock.classloading.classes.MyArgument;26import powermock.classloading.classes.MyClass;27import powermock.classloading.classes.MyEnum;28import powermock.classloading.classes.MyEnumHolder;29import powermock.classloading.classes.MyHierarchicalFieldHolder;30import powermock.classloading.classes.MyIntegerHolder;31import powermock.classloading.classes.MyPrimitiveArrayHolder;32import powermock.classloading.classes.MyReferenceFieldHolder;33import powermock.classloading.classes.MyReturnValue;34import powermock.classloading.classes.ReflectionMethodInvoker;35import java.lang.reflect.Method;36import java.util.concurrent.Callable;37import static org.junit.Assert.assertArrayEquals;38import static org.junit.Assert.assertEquals;39import static org.junit.Assert.assertFalse;40import static org.junit.Assert.assertSame;41@Ignore("Test are failed on JDK more that 1.6. On Travis we can run only on JDK8 and JDK9")42public class ObjenesisClassloaderExecutorTest {43    44    @Test45    public void loadsObjectGraphInSpecifiedClassloaderAndReturnsResultInOriginalClassloader() throws Exception {46        MockClassLoader classloader = createClassloader();47        final MyReturnValue expectedConstructorValue = new MyReturnValue(new MyArgument("first value"));48        final MyClass myClass = new MyClass(expectedConstructorValue);49        final MyArgument expected = new MyArgument("A value");50        MyReturnValue[] actual = new SingleClassloaderExecutor(classloader).execute(new Callable<MyReturnValue[]>() {51            public MyReturnValue[] call() throws Exception {52                assertEquals(JavassistMockClassLoader.class.getName(), this.getClass()53                                                                           .getClassLoader()54                                                                           .getClass()55                                                                           .getName());56                return myClass.myMethod(expected);57            }58        });59        60        assertFalse(MockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));61        62        final MyReturnValue myReturnValue = actual[0];63        assertEquals(expectedConstructorValue.getMyArgument().getValue(), myReturnValue.getMyArgument().getValue());64        assertEquals(expected.getValue(), actual[1].getMyArgument().getValue());65    }66    67    @Test68    public void loadsObjectGraphThatIncludesPrimitiveValuesInSpecifiedClassloaderAndReturnsResultInOriginalClassloader()69        throws Exception {70        MockClassLoader classloader = createClassloader();71        final Integer expected = 42;72        final MyIntegerHolder myClass = new MyIntegerHolder(expected);73        Integer actual = new SingleClassloaderExecutor(classloader).execute(new Callable<Integer>() {74            public Integer call() throws Exception {75                assertEquals(JavassistMockClassLoader.class.getName(), this.getClass()76                                                                           .getClassLoader()77                                                                           .getClass()78                                                                           .getName());79                final int myInteger = myClass.getMyInteger();80                assertEquals((int) expected, myInteger);81                return myInteger;82            }83        });84        85        assertFalse(MockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));86        87        assertEquals(expected, actual);88    }89    90    @Test91    public void loadsObjectGraphThatIncludesEnumsInSpecifiedClassloaderAndReturnsResultInOriginalClassloader()92        throws Exception {93        MockClassLoader classloader = createClassloader();94        final MyEnum expected = MyEnum.MyEnum1;95        final MyEnumHolder myClass = new MyEnumHolder(expected);96        MyEnum actual = new SingleClassloaderExecutor(classloader).execute(new Callable<MyEnum>() {97            public MyEnum call() throws Exception {98                assertEquals(JavassistMockClassLoader.class.getName(), this.getClass()99                                                                           .getClassLoader()100                                                                           .getClass()101                                                                           .getName());102                MyEnum myEnum = myClass.getMyEnum();103                assertEquals(expected, myEnum);104                return myEnum;105            }106        });107        108        assertFalse(MockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));109        assertEquals(expected, actual);110    }111    112    113    @Test114    public void loadsObjectGraphThatIncludesPrimitiveArraysInSpecifiedClassloaderAndReturnsResultInOriginalClassloader()115        throws Exception {116        MockClassLoader classloader = createClassloader();117        final int[] expected = new int[]{1, 2};118        final MyPrimitiveArrayHolder myClass = new MyPrimitiveArrayHolder(expected);119        int[] actual = new SingleClassloaderExecutor(classloader).execute(new Callable<int[]>() {120            public int[] call() throws Exception {121                assertEquals(JavassistMockClassLoader.class.getName(), this.getClass()122                                                                           .getClassLoader()123                                                                           .getClass()124                                                                           .getName());125                int[] myArray = myClass.getMyArray();126                assertArrayEquals(expected, myArray);127                return myArray;128            }129        });130        131        assertFalse(MockClassLoader.class.getName().equals(this.getClass().getClassLoader().getClass().getName()));132        assertArrayEquals(expected, actual);133    }134    135    @Test136    public void usesReferenceCloningWhenTwoFieldsPointToSameInstance() throws Exception {137        final MockClassLoader classloader = createClassloader();138        final MyReferenceFieldHolder tested = new MyReferenceFieldHolder();139        assertSame(tested.getMyArgument1(), tested.getMyArgument2());140        assertSame(tested.getMyArgument1(), MyReferenceFieldHolder.MY_ARGUMENT);141        new SingleClassloaderExecutor(classloader).execute(new Runnable() {142            public void run() {143                assertEquals(JavassistMockClassLoader.class.getName(), this.getClass()144                                                                           .getClassLoader()145                                                                           .getClass()146                                                                           .getName());147                assertEquals(tested.getMyArgument1(), tested.getMyArgument2());148                assertEquals(tested.getMyArgument1(), MyReferenceFieldHolder.MY_ARGUMENT);149                assertSame(tested.getMyArgument1(), tested.getMyArgument2());150                // FIXME: This assertion should work:151                // assertSame(tested.getMyArgument1(), MyReferenceFieldHolder.MY_ARGUMENT);152            }153        });154    }155    156    @Test157    public void worksWithObjectHierarchy() throws Exception {158        final MockClassLoader classloader = createClassloader();159        final MyHierarchicalFieldHolder tested = new MyHierarchicalFieldHolder();160        assertSame(tested.getMyArgument1(), tested.getMyArgument2());161        assertEquals(tested.getMyArgument3(), tested.getMyArgument2());162        new SingleClassloaderExecutor(classloader).execute(new Runnable() {163            public void run() {164                assertEquals(JavassistMockClassLoader.class.getName(), this.getClass()165                                                                           .getClassLoader()166                                                                           .getClass()167                                                                           .getName());168                assertSame(tested.getMyArgument1(), tested.getMyArgument2());169                assertEquals(tested.getMyArgument3(), tested.getMyArgument2());170            }171        });172    }173    174    @Test175    public void worksWithReflection() throws Exception {176        final MockClassLoader classloader = createClassloader();177        final MyArgument myArgument = new MyArgument("test");178        final MyReturnValue instance = new MyReturnValue(myArgument);179        Method method = instance.getClass().getMethod("getMyArgument");180        final ReflectionMethodInvoker tested = new ReflectionMethodInvoker(method, instance);181        new SingleClassloaderExecutor(classloader).execute(new Runnable() {182            public void run() {183                Object invoke = tested.invoke();184                assertSame(invoke, myArgument);185            }186        });187    }188    189    private MockClassLoader createClassloader() {190        MockClassLoader classloader = new JavassistMockClassLoader(new String[]{MyClass.class.getName(),191            MyArgument.class.getName(), MyReturnValue.class.getName()});192        MockTransformer mainMockTransformer = new MockTransformer<Object>() {193            @Override194            public ClassWrapper<Object> transform(ClassWrapper<Object> clazz) throws Exception {195                return clazz;196            }197        };198        classloader.setMockTransformerChain(DefaultMockTransformerChain.newBuilder()199                                                                       .append(mainMockTransformer)200                                                                       .build());201        return classloader;202    }203}...

JavassistMockClassLoader

Using AI Code Generation

1ClassPool pool = ClassPool.getDefault();2pool.insertClassPath(new ClassClassPath(JavassistMockClassLoaderTest.class));3pool.insertClassPath(new ClassClassPath(JavassistMockClassLoader.class));4pool.insertClassPath(new ClassClassPath(JavassistMockClassLoaderTest.class));5CtClass ctClass = pool.get("org.powermock.core.classloader.MockClassLoaderTest$MockClassLoaderTestHelper");6CtMethod ctMethod = ctClass.getDeclaredMethod("methodToBeMocked");7ctMethod.setBody("{return \"foo\";}");8byte[] bytes = ctClass.toBytecode();9ctClass.detach();10Class<?> clazz = new JavassistMockClassLoader().loadMockClass("org.powermock.core.classloader.MockClassLoaderTest$MockClassLoaderTestHelper",11bytes);12Object instance = clazz.newInstance();13assertEquals("foo", instance.getClass().getMethod("methodToBeMocked").invoke(instance));14}

JavassistMockClassLoader

Using AI Code Generation

1import org.powermock.core.classloader.javassist.JavassistMockClassLoader;2public class 4 {3    public static void main(String[] args) {4        try {5            JavassistMockClassLoader cl = new JavassistMockClassLoader();6            Class<?> c = cl.loadClass("com.example.MyClass");7            Object o = c.newInstance();8            System.out.println(o);9        } catch (Exception e) {10            e.printStackTrace();11        }12    }13}14import org.powermock.core.classloader.javassist.JavassistMockClassLoader;15public class 5 {16    public static void main(String[] args) {17        try {18            JavassistMockClassLoader cl = new JavassistMockClassLoader(ClassLoader.getSystemClassLoader());19            Class<?> c = cl.loadClass("com.example.MyClass");20            Object o = c.newInstance();21            System.out.println(o);22        } catch (Exception e) {23            e.printStackTrace();24        }25    }26}

JavassistMockClassLoader

Using AI Code Generation

1public class 4 {2    public static void main(String[] args) throws Exception {3        ClassLoader classLoader = new JavassistMockClassLoader();4        Class<?> aClass = classLoader.loadClass("com.example.test.Test");5        Object instance = aClass.newInstance();6        System.out.println(aClass);7        System.out.println(instance);8    }9}10package com.example.test;11public class Test {12    public Test() {13        System.out.println("Test constructor");14    }15}16This is the output of the above code with the JavassistMockClassLoader and the JavassistMockClassLoader .setUseCache(false) :17This is the output of the above code with the JavassistMockClassLoader and the JavassistMockClassLoader .setUseCache(true) :18This is the output of the above code with the JavassistMockClassLoader and the JavassistMockClassLoader .setUseCache(true) and the JavassistMockClassLoader .setUseOriginalClassLoader

JavassistMockClassLoader

Using AI Code Generation

1public class 4 {2    public static void main(String[] args) throws Exception {3        ClassLoader cl = new JavassistMockClassLoader();4        Class<?> clazz = cl.loadClass("com.example.ClassToMock");5        Method method = clazz.getMethod("methodToMock");6        System.out.println(method.invoke(clazz.newInstance()));7    }8}9public class 5 {10    public static void main(String[] args) throws Exception {11        ClassLoader cl = new JavassistMockClassLoader();12        Class<?> clazz = cl.loadClass("com.example.ClassToMock");13        Method method = clazz.getMethod("methodToMock");14        System.out.println(method.invoke(clazz.newInstance()));15    }16}17public class 6 {18    public static void main(String[] args) throws Exception {19        ClassLoader cl = new JavassistMockClassLoader();20        Class<?> clazz = cl.loadClass("com.example.ClassToMock");21        Method method = clazz.getMethod("methodToMock");22        System.out.println(method.invoke(clazz.newInstance()));23    }24}25public class 7 {26    public static void main(String[] args) throws Exception {27        ClassLoader cl = new JavassistMockClassLoader();28        Class<?> clazz = cl.loadClass("com.example.ClassToMock");29        Method method = clazz.getMethod("methodToMock");30        System.out.println(method.invoke(clazz.newInstance()));31    }32}33public class 8 {34    public static void main(String[] args) throws Exception {35        ClassLoader cl = new JavassistMockClassLoader();36        Class<?> clazz = cl.loadClass("com.example.ClassToMock");37        Method method = clazz.getMethod("methodToMock");38        System.out.println(method.invoke(clazz.newInstance()));39    }40}41public class 9 {42    public static void main(String[] args) throws Exception {

JavassistMockClassLoader

Using AI Code Generation

1package org.powermock.core.classloader.javassist;2import java.io.IOException;3import java.io.InputStream;4import java.net.URL;5import java.net.URLClassLoader;6import java.util.Enumeration;7import javassist.ClassPool;8import javassist.CtClass;9import javassist.CtMethod;10import javassist.NotFoundException;11import org.powermock.core.classloader.MockClassLoader;12import org.powermock.core.classloader.MockClassLoaderParameters;13public class JavassistMockClassLoader extends MockClassLoader {14    private final ClassPool classPool;15    private final URLClassLoader classLoader;16    public JavassistMockClassLoader(final ClassLoader classLoader, final MockClassLoaderParameters mockClassLoaderParameters)17            throws IOException {18        super(classLoader, mockClassLoaderParameters);19        this.classPool = new ClassPool();20        this.classPool.appendClassPath(new ClassLoaderClassPath(classLoader));21        this.classLoader = (URLClassLoader) classLoader;22    }23    protected Class<?> loadModifiedClass(final String className) throws IOException, NotFoundException {24        final CtClass ctClass = classPool.get(className);25        final CtMethod[] declaredMethods = ctClass.getDeclaredMethods();26        for (final CtMethod method : declaredMethods) {27            if (isMethodToMock(method)) {28                if (isStatic(method)) {29                    mockStaticMethod(method);30                } else {31                    mockInstanceMethod(method);32                }33            }34        }35        return ctClass.toClass(classLoader, null);36    }37    private void mockInstanceMethod(final CtMethod method) throws NotFoundException {38        final String name = method.getName();39        final CtClass declaringClass = method.getDeclaringClass();40        final String declaringClassName = declaringClass.getName();41        final String body = "{ return org.powermock.core.classloader.javassist.JavassistMockClassLoader.this.callInstanceMethod(\""42                + declaringClassName + "\", \"" + name + "\", $args, $sig, $type); }";43        method.setBody(body);44    }45    private void mockStaticMethod(final CtMethod method) throws NotFoundException {46        final String name = method.getName();47        final CtClass declaringClass = method.getDeclaringClass();48        final String declaringClassName = declaringClass.getName();49        final String body = "{ return org.powermock.core.classloader.javassist.JavassistMockClassLoader.this.callStaticMethod(\""50                + declaringClassName + "\", \"" + name + "\", $args, $sig, $type); }";51        method.setBody(body);

JavassistMockClassLoader

Using AI Code Generation

1package com.powermock; import org.powermock.core.classloader.javassist.JavassistMockClassLoader;2import org.powermock.core.classloader.javassist.JavassistMockClassLoaderFactory; import3org.powermock.core.classloader.javassist.JavassistMockClassLoaderParameters; public class4MainClass { public static void main(String[] args) { JavassistMockClassLoaderParameters5parameters = new JavassistMockClassLoaderParameters(); parameters.setMockPolicy("mock-policy.xml");6parameters.setTargetClass("com.powermock.ClassToMock"); JavassistMockClassLoaderFactory7factory = new JavassistMockClassLoaderFactory(); JavassistMockClassLoader classLoader =8factory.create(parameters); try { Class<?> clazz = classLoader.loadClass(parameters.getTargetClass());9Object obj = clazz.newInstance(); clazz.getMethod("methodToMock").invoke(obj); } catch10(Exception e) { e.printStackTrace(); } } }11package com.powermock; import org.powermock.core.classloader.javassist.JavassistMockClassLoader;12import org.powermock.core.classloader.javassist.JavassistMockClassLoaderFactory; import13org.powermock.core.classloader.javassist.JavassistMockClassLoaderParameters; public class14MainClass { public static void main(String[] args) { JavassistMockClassLoaderParameters15parameters = new JavassistMockClassLoaderParameters(); parameters.setMockPolicy("mock-policy.xml");16parameters.setTargetClass("com.powermock.ClassToMock"); JavassistMockClassLoaderFactory17factory = new JavassistMockClassLoaderFactory(); JavassistMockClassLoader classLoader =18factory.create(parameters); try { Class<?> clazz = classLoader.loadClass(parameters.getTargetClass());19Object obj = clazz.newInstance(); clazz.getMethod("methodToMock").invoke(obj); } catch20(Exception e) { e.printStackTrace(); } } }21package com.powermock; import org.powermock.core.classloader.javassist.JavassistMockClassLoader;22import org.powermock.core.classloader.javassist.JavassistMockClassLoaderFactory

JavassistMockClassLoader

Using AI Code Generation

1import org.powermock.core.classloader.javassist.JavassistMockClassLoader;2import java.lang.reflect.Method;3import java.net.URL;4import java.net.URLClassLoader;5public class 4 {6    public static void main(String[] args) throws Exception {7        ClassLoader classLoader = new JavassistMockClassLoader(new URLClassLoader(new URL[] {new8        Class<?> clazz = classLoader.loadClass("com.abc.def.ghi");9        Method method = clazz.getDeclaredMethod("method", null);10        method.invoke(clazz.newInstance(), null);11    }12}

JavassistMockClassLoader

Using AI Code Generation

1import java.lang.reflect.Method;2import org.powermock.core.classloader.MockClassLoader;3import org.powermock.core.classloader.javassist.JavassistMockClassLoader;4public class 4 {5public static void main(String[] args) throws Exception {6JavassistMockClassLoader mockClassLoader = new JavassistMockClassLoader(4.class.getClassLoader());7Class<?> clazz = mockClassLoader.loadClass("4");8Object instance = clazz.newInstance();9Method method = clazz.getMethod("method");10method.invoke(instance);11}12}

JavassistMockClassLoader

Using AI Code Generation

1    private void mockInstanceMethod(final CtMethod method) throws NotFoundException {2        final String name = method.getName();3        final CtClass declaringClass = method.getDeclaringClass();4        final String declaringClassName = declaringClass.getName();5        final String body = "{ return org.powermock.core.classloader.javassist.JavassistMockClassLoader.this.callInstanceMethod(\""6                + declaringClassName + "\", \"" + name + "\", $args, $sig, $type); }";7        method.setBody(body);8    }9    private void mockStaticMethod(final CtMethod method) throws NotFoundException {10        final String name = method.getName();11        final CtClass declaringClass = method.getDeclaringClass();12        final String declaringClassName = declaringClass.getName();13        final String body = "{ return org.powermock.core.classloader.javassist.JavassistMockClassLoader.this.callStaticMethod(\""14                + declaringClassName + "\", \"" + name + "\", $args, $sig, $type); }";15        method.setBody(body);

JavassistMockClassLoader

Using AI Code Generation

1import org.powermock.core.classloader.javassist.JavassistMockClassLoader;2import java.lang.reflect.Method;3import java.net.URL;4import java.net.URLClassLoader;5public class 4 {6    public static void main(String[] args) throws Exception {7        ClassLoader classLoader = new JavassistMockClassLoader(new URLClassLoader(new URL[] {new8        Class<?> clazz = classLoader.loadClass("com.abc.def.ghi");9        Method method = clazz.getDeclaredMethod("method", null);10        method.invoke(clazz.newInstance(), null);11    }12}

JavassistMockClassLoader

Using AI Code Generation

1import java.lang.reflect.Method;2import org.powermock.core.classloader.MockClassLoader;3import org.powermock.core.classloader.javassist.JavassistMockClassLoader;4public class 4 {5public static void main(String[] args) throws Exception {6JavassistMockClassLoader mockClassLoader = new JavassistMockClassLoader(4.class.getClassLoader());7Class<?> clazz = mockClassLoader.loadClass("4");8Object instance = clazz.newInstance();9Method method = clazz.getMethod("method");10method.invoke(instance);11}12}

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