KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta 
How to use MockClassLoaderFactory class of org.powermock.core.test package
Best Powermock code snippet using org.powermock.core.test.MockClassLoaderFactory
Source:MockClassLoaderTest.java 
...27import org.junit.runners.Parameterized;28import org.powermock.core.classloader.annotations.UseClassPathAdjuster;29import org.powermock.core.classloader.javassist.ClassPathAdjuster;30import org.powermock.core.classloader.javassist.JavassistMockClassLoader;31import org.powermock.core.test.MockClassLoaderFactory;32import org.powermock.core.transformers.ClassWrapper;33import org.powermock.core.transformers.MockTransformer;34import org.powermock.core.transformers.MockTransformerChain;35import org.powermock.core.transformers.support.DefaultMockTransformerChain;36import org.powermock.reflect.Whitebox;37import java.lang.annotation.Annotation;38import java.net.URL;39import java.util.Enumeration;40import java.util.List;41import static org.assertj.core.api.Java6Assertions.assertThat;42import static java.util.Arrays.asList;43import static net.bytebuddy.matcher.ElementMatchers.isDeclaredBy;44import static org.hamcrest.CoreMatchers.equalTo;45import static org.junit.Assert.assertFalse;46import static org.junit.Assume.assumeThat;47import static org.powermock.core.classloader.MockClassLoader.MODIFY_ALL_CLASSES;48@RunWith(Parameterized.class)49public class MockClassLoaderTest {50 51 52 @Parameterized.Parameters(name = "ClassLoader: {0}")53 public static List<Object[]> data() {54 final Object[] objects = {55 JavassistMockClassLoader.class,56 new JavassistMockTransformer()57 };58 return asList(new Object[][]{objects});59 }60 61 private final MockClassLoaderFactory mockClassLoaderFactory;62 private final Class<? extends MockClassLoader> clazz;63 private final MockTransformerChain mockTransformerChain;64 65 public MockClassLoaderTest(Class<? extends MockClassLoader> clazz, MockTransformer transformer) {66 this.mockClassLoaderFactory = new MockClassLoaderFactory(clazz);67 this.clazz = clazz;68 this.mockTransformerChain = DefaultMockTransformerChain.newBuilder()69 .append(transformer)70 .build();71 }72 73 @Test74 public void should_load_and_modify_class_from_package_which_specified() throws Exception {75 76 String className = "powermock.test.support.ClassForMockClassLoaderTestCase";77 78 MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[]{79 className80 });...
Source:ClassLoaderTestHelper.java
...27import java.util.Map;28import static org.junit.Assert.assertNotNull;29public class ClassLoaderTestHelper {30 31 public static Map<MockClassLoaderFactory, Map<MockTransformerChain, MockClassLoader>> cache;32 33 static {34 cache = new HashMap<MockClassLoaderFactory, Map<MockTransformerChain, MockClassLoader>>();35 }36 37 public static Class<?> loadWithMockClassLoader(final String className, final MockTransformerChain mockTransformerChain,38 final MockClassLoaderFactory mockClassloaderFactory) throws Exception {39 MockClassLoader loader = getMockClassLoader(mockTransformerChain, mockClassloaderFactory);40 41 Class<?> clazz = Class.forName(className, true, loader);42 43 assertNotNull("Class has been loaded", clazz);44 45 return clazz;46 }47 48 49 public static Class<?> loadWithMockClassLoader(final String className, final byte[] klass, final MockTransformerChain mockTransformerChain,50 final MockClassLoaderFactory mockClassloaderFactory) throws Exception {51 MockClassLoader loader = getMockClassLoader(mockTransformerChain, mockClassloaderFactory);52 final Class<?> definedClass = loader.defineClass(className, ClassLoaderTestHelper.class.getProtectionDomain(), klass);53 54 assertNotNull("Class has been loaded", definedClass);55 56 return definedClass;57 }58 59 private static MockClassLoader getMockClassLoader(final MockTransformerChain mockTransformerChain,60 final MockClassLoaderFactory mockClassloaderFactory) throws IllegalAccessException, InvocationTargetException, InstantiationException {61 MockClassLoader loader = null;62 63 Map<MockTransformerChain, MockClassLoader> classloaders = cache.get(mockClassloaderFactory);64 65 if (classloaders != null){66 loader = classloaders.get(mockTransformerChain);67 }else{68 classloaders = new HashMap<MockTransformerChain, MockClassLoader>();69 cache.put(mockClassloaderFactory, classloaders);70 }71 72 if (loader == null) {73 loader = mockClassloaderFactory.getInstance(new String[]{MockClassLoader.MODIFY_ALL_CLASSES});74 loader.setMockTransformerChain(mockTransformerChain);...
Source:AbstractBaseMockTransformerTest.java
...21import org.junit.runner.RunWith;22import org.junit.runners.Parameterized;23import org.powermock.core.MockGateway;24import org.powermock.core.test.ClassLoaderTestHelper;25import org.powermock.core.test.MockClassLoaderFactory;26import org.powermock.core.transformers.javassist.support.JavaAssistClassWrapperFactory;27import org.powermock.core.transformers.mock.MockGatewaySpy;28import org.powermock.core.transformers.support.FilterPredicates;29import static org.junit.Assume.assumeTrue;30@RunWith(Parameterized.class)31abstract class AbstractBaseMockTransformerTest {32 33 static final String SYNTHETIC_METHOD_NAME = "$synth";34 static final String SYNTH_FIELD = "$_synthField";35 36 protected final TransformStrategy strategy;37 protected final MockTransformerChain mockTransformerChain;38 protected final MockClassLoaderFactory mockClassloaderFactory;39 40 AbstractBaseMockTransformerTest(final TransformStrategy strategy,41 final MockTransformerChain mockTransformerChain,42 final MockClassLoaderFactory mockClassloaderFactory){43 this.strategy = strategy;44 this.mockTransformerChain = mockTransformerChain;45 this.mockClassloaderFactory = mockClassloaderFactory;46 }47 48 @Before49 public void setUp() throws Exception {50 ClassLoaderTestHelper.clearCache();51 MockGatewaySpy.clear();52 MockGatewaySpy.returnOnMethodCall(MockGateway.PROCEED);53 }54 55 protected Class<?> loadWithMockClassLoader(final String name) throws Exception {56 return ClassLoaderTestHelper.loadWithMockClassLoader(name, mockTransformerChain, mockClassloaderFactory);...
MockClassLoaderFactory
Using AI Code Generation
1package org.powermock.core.test;2import org.powermock.core.classloader.MockClassLoaderFactory;3public class TestMockClassLoaderFactory {4public static void main(String[] args) {5MockClassLoaderFactory mockClassLoaderFactory = new MockClassLoaderFactory();6mockClassLoaderFactory.createMockClassLoader();7mockClassLoaderFactory.createMockClassLoader(new String[] {"a", "b", "c"});8mockClassLoaderFactory.createMockClassLoader(new String[] {"a", "b", "c"}, new String[] {"d", "e", "f"});9}10}11package org.powermock.core.classloader;12import org.powermock.core.classloader.MockClassLoaderFactory;13public class TestMockClassLoaderFactory {14public static void main(String[] args) {15MockClassLoaderFactory mockClassLoaderFactory = new MockClassLoaderFactory();16mockClassLoaderFactory.createMockClassLoader();17mockClassLoaderFactory.createMockClassLoader(new String[] {"a", "b", "c"});18mockClassLoaderFactory.createMockClassLoader(new String[] {"a", "b", "c"}, new String[] {"d", "e", "f"});19}20}21package org.powermock.core.classloader.annotations;22import org.powermock.core.classloader.MockClassLoaderFactory;23public class TestMockClassLoaderFactory {24public static void main(String[] args) {25MockClassLoaderFactory mockClassLoaderFactory = new MockClassLoaderFactory();26mockClassLoaderFactory.createMockClassLoader();27mockClassLoaderFactory.createMockClassLoader(new String[] {"a", "b", "c"});28mockClassLoaderFactory.createMockClassLoader(new String[] {"a", "b", "c"}, new String[] {"d", "e", "f"});29}30}31package org.powermock.core.classloader.annotations.internal;32import org.powermock.core.classloader.MockClassLoaderFactory;33public class TestMockClassLoaderFactory {34public static void main(String[] args) {35MockClassLoaderFactory mockClassLoaderFactory = new MockClassLoaderFactory();36mockClassLoaderFactory.createMockClassLoader();37mockClassLoaderFactory.createMockClassLoader(new String[] {"a", "b", "c"});38mockClassLoaderFactory.createMockClassLoader(new String[] {"a", "b", "c"}, new String[] {"d", "e", "f"});39}40}
MockClassLoaderFactory
Using AI Code Generation
1import org.powermock.core.test.MockClassLoaderFactory;2import org.powermock.core.test.MockClassLoaderFactory.Mode;3import org.powermock.core.test.MockClassLoader;4public class MockClassLoaderFactoryTest {5 public void testGetMockClassLoader() throws Exception {6 MockClassLoaderFactory mockClassLoaderFactory = new MockClassLoaderFactory();7 MockClassLoader mockClassLoader = mockClassLoaderFactory.getMockClassLoader(Mode.SINGLE);8 ClassLoader classLoader = mockClassLoader.getClassLoader();9 Class<?> clazz = classLoader.loadClass("4");10 Method method = clazz.getMethod("main", String[].class);11 method.invoke(null, (Object) null);12 }13}
MockClassLoaderFactory
Using AI Code Generation
1public class MockClassLoaderFactoryTest {2 public void testCreateMockClassLoader() throws Exception {3 ClassLoader classLoader = new MockClassLoaderFactory().createMockClassLoader();4 assertNotNull(classLoader);5 }6}7public class MockClassLoaderFactoryTest {8 public void testCreateMockClassLoader() throws Exception {9 ClassLoader classLoader = new MockClassLoaderFactory().createMockClassLoader();10 assertNotNull(classLoader);11 }12}13public class MockClassLoaderFactoryTest {14 public void testCreateMockClassLoader() throws Exception {15 ClassLoader classLoader = new MockClassLoaderFactory().createMockClassLoader();16 assertNotNull(classLoader);17 }18}19public class MockClassLoaderFactoryTest {20 public void testCreateMockClassLoader() throws Exception {21 ClassLoader classLoader = new MockClassLoaderFactory().createMockClassLoader();22 assertNotNull(classLoader);23 }24}25public class MockClassLoaderFactoryTest {26 public void testCreateMockClassLoader() throws Exception {27 ClassLoader classLoader = new MockClassLoaderFactory().createMockClassLoader();28 assertNotNull(classLoader);29 }30}31public class MockClassLoaderFactoryTest {32 public void testCreateMockClassLoader() throws Exception {33 ClassLoader classLoader = new MockClassLoaderFactory().createMockClassLoader();34 assertNotNull(classLoader);35 }36}37public class MockClassLoaderFactoryTest {38 public void testCreateMockClassLoader() throws Exception {39 ClassLoader classLoader = new MockClassLoaderFactory().createMockClassLoader();40 assertNotNull(classLoader);41 }42}43public class MockClassLoaderFactoryTest {44 public void testCreateMockClassLoader() throws Exception {
MockClassLoaderFactory
Using AI Code Generation
1package org.powermock.core.test;2import java.io.IOException;3import java.io.InputStream;4import java.net.URL;5import java.net.URLClassLoader;6import java.util.Enumeration;7import java.util.Set;8public class MockClassLoaderFactory {9public static ClassLoader createMockClassLoader(final Set<String> classesToMock) {10return new URLClassLoader(new URL[] {}) {11protected Class<?> findClass(String name) throws ClassNotFoundException {12if (classesToMock.contains(name)) {13return MockClassLoaderFactory.class;14}15return super.findClass(name);16}17public URL getResource(String name) {18return null;19}20public InputStream getResourceAsStream(String name) {21return null;22}23public Enumeration<URL> getResources(String name) throws IOException {24return null;25}26};27}28}29package org.powermock.core.test;30import java.io.IOException;31import java.io.InputStream;32import java.net.URL;33import java.net.URLClassLoader;34import java.util.Enumeration;35import java.util.Set;36public class MockClassLoaderFactory {37public static ClassLoader createMockClassLoader(final Set<String> classesToMock) {38return new URLClassLoader(new URL[] {}) {39protected Class<?> findClass(String name) throws ClassNotFoundException {40if (classesToMock.contains(name)) {41return MockClassLoaderFactory.class;42}43return super.findClass(name);44}45public URL getResource(String name) {46return null;47}48public InputStream getResourceAsStream(String name) {49return null;50}51public Enumeration<URL> getResources(String name) throws IOException {52return null;53}54};55}56}57package org.powermock.core.test;58import java.io.IOException;59import java.io.InputStream;60import java.net.URL;61import java.net.URLClassLoader;62import java.util.Enumeration;63import java.util.Set;64public class MockClassLoaderFactory {65public static ClassLoader createMockClassLoader(final Set<String> classesToMock) {66return new URLClassLoader(new URL[] {}) {67protected Class<?> findClass(String name) throws ClassNotFoundException {68if (classesToMock.contains(name)) {69return MockClassLoaderFactory.class;70}71return super.findClass(name);72}73public URL getResource(String name) {74return null;75}
MockClassLoaderFactory
Using AI Code Generation
1import java.lang.reflect.Method;2import java.net.URL;3import java.net.URLClassLoader;4import org.powermock.core.test.MockClassLoaderFactory;5public class ClassLoaderTest {6 public static void main(String[] args) throws Exception {7 URLClassLoader urlClassLoader = MockClassLoaderFactory.createClassLoader(8 Class<?> clazz = urlClassLoader.loadClass("test.TestClass");9 Method method = clazz.getDeclaredMethod("test");10 method.invoke(clazz.newInstance());11 }12}13import java.lang.reflect.Method;14import java.net.URL;15import java.net.URLClassLoader;16import org.powermock.core.test.MockClassLoaderFactory;17public class ClassLoaderTest {18 public static void main(String[] args) throws Exception {19 URLClassLoader urlClassLoader = MockClassLoaderFactory.createClassLoader(20 Class<?> clazz = urlClassLoader.loadClass("test.TestClass");21 Method method = clazz.getDeclaredMethod("test");22 method.invoke(clazz.newInstance());23 }24}25import java.lang.reflect.Method;26import java.net.URL;27import java.net.URLClassLoader;28import org.powermock.core.test.MockClassLoaderFactory;29public class ClassLoaderTest {30 public static void main(String[] args) throws Exception {31 URLClassLoader urlClassLoader = MockClassLoaderFactory.createClassLoader(32 Class<?> clazz = urlClassLoader.loadClass("test.TestClass");33 Method method = clazz.getDeclaredMethod("test");34 method.invoke(clazz.newInstance());35 }36}37import java.lang.reflect.Method;38import java.net.URL;39import java.net.URLClassLoader;40import org.powermock.core.test.MockClassLoaderFactory;41public class ClassLoaderTest {42 public static void main(String[] args) throws Exception {
MockClassLoaderFactory
Using AI Code Generation
1package org.powermock.core.test;2import org.junit.runner.RunWith;3import org.powermock.core.classloader.MockClassLoaderFactory;4import org.powermock.modules.junit4.PowerMockRunner;5@RunWith(PowerMockRunner.class)6public class MockClassLoaderFactoryTest {7 = new MockClassLoaderFactory();8 public MockClassLoaderFactoryTest() {9 super(MOCK_CLASS_LOADER_FACTORY);10 }11}12package org.powermock.core.test;13import org.junit.runner.RunWith;14import org.powermock.core.classloader.MockClassLoaderFactory;15import org.powermock.modules.junit4.PowerMockRunner;16@RunWith(PowerMockRunner.class)17public class MockClassLoaderFactoryTest {18 = new MockClassLoaderFactory();19 public MockClassLoaderFactoryTest() {20 super(MOCK_CLASS_LOADER_FACTORY);21 }22}23package org.powermock.core.test;24import org.junit.runner.RunWith;25import org.powermock.core.classloader.MockClassLoaderFactory;26import org.powermock.modules.junit4.PowerMockRunner;27@RunWith(PowerMockRunner.class)28public class MockClassLoaderFactoryTest {29 = new MockClassLoaderFactory();30 public MockClassLoaderFactoryTest() {31 super(MOCK_CLASS_LOADER_FACTORY);32 }33}34package org.powermock.core.test;35import org.junit.runner.RunWith;36import org.powermock.core.classloader.MockClassLoaderFactory;37import org.powermock.modules.junit4.PowerMockRunner;38@RunWith(PowerMockRunner.class)39public class MockClassLoaderFactoryTest {
Automation Testing Tutorials
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run Powermock automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Most used methods in MockClassLoaderFactory
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
