Best Powermock code snippet using org.powermock.core.classloader.ByteCodeFramework
Source:MockClassLoaderFactory.java
...54 arrayMerger = new ArrayMergerImpl();55 }56 57 public ClassLoader createForClass(final MockTransformer... extraMockTransformer) {58 final ByteCodeFramework byteCodeFramework = ByteCodeFramework.getByteCodeFrameworkForTestClass(testClass);59 if (testClass.isAnnotationPresent(PrepareEverythingForTest.class)) {60 return create(byteCodeFramework, new String[]{MockClassLoader.MODIFY_ALL_CLASSES}, extraMockTransformer);61 } else {62 final String[] prepareForTestClasses = prepareForTestExtractor.getTestClasses(testClass);63 final String[] suppressStaticClasses = suppressionExtractor.getTestClasses(testClass);64 return create(byteCodeFramework, arrayMerger.mergeArrays(String.class, prepareForTestClasses, suppressStaticClasses), extraMockTransformer);65 }66 }67 68 public ClassLoader createForMethod(final Method method, final MockTransformer... extraMockTransformers) {69 final ByteCodeFramework byteCodeFramework = ByteCodeFramework.getByteCodeFrameworkForMethod(testClass, method);70 if (method.isAnnotationPresent(PrepareEverythingForTest.class)) {71 final String[] classesToLoadByMockClassloader = {MockClassLoader.MODIFY_ALL_CLASSES};72 return create(byteCodeFramework, classesToLoadByMockClassloader, extraMockTransformers);73 } else {74 final String[] suppressStaticClasses = getStaticSuppressionClasses(method);75 final String[] prepareForTestClasses = prepareForTestExtractor.getTestClasses(method);76 final String[] classesToLoadByMockClassloader = arrayMerger.mergeArrays(String.class, prepareForTestClasses, suppressStaticClasses);77 return create(byteCodeFramework, classesToLoadByMockClassloader, extraMockTransformers);78 }79 }80 81 private ClassLoader create(final ByteCodeFramework byteCodeFramework, final String[] prepareForTestClasses,82 final MockTransformer... extraMockTransformer) {83 final String[] classesToLoadByMockClassloader = makeSureArrayContainsTestClassName(prepareForTestClasses, testClass.getName());84 85 final ClassLoader mockLoader;86 if (isContextClassLoaderShouldBeUsed(classesToLoadByMockClassloader)) {87 mockLoader = Thread.currentThread().getContextClassLoader();88 } else {89 mockLoader = createMockClassLoader(byteCodeFramework, classesToLoadByMockClassloader, extraMockTransformer);90 }91 return mockLoader;92 }93 94 private String[] getStaticSuppressionClasses(Method method) {95 final String[] testClasses;96 if (method.isAnnotationPresent(SuppressStaticInitializationFor.class)) {97 testClasses = suppressionExtractor.getTestClasses(method);98 } else {99 testClasses = suppressionExtractor.getTestClasses(testClass);100 }101 return testClasses;102 }103 104 private ClassLoader createMockClassLoader(final ByteCodeFramework byteCodeFramework,105 final String[] classesToLoadByMockClassloader,106 final MockTransformer... extraMockTransformer) {107 108 final ClassLoader mockLoader = createWithPrivilegeAccessController(byteCodeFramework, classesToLoadByMockClassloader, extraMockTransformer);109 110 initialize(mockLoader);111 112 return mockLoader;113 }114 115 private ClassLoader createWithPrivilegeAccessController(final ByteCodeFramework byteCodeFramework,116 final String[] classesToLoadByMockClassloader,117 final MockTransformer... extraMockTransformer) {118 return AccessController.doPrivileged(new PrivilegedAction<MockClassLoader>() {119 @Override120 public MockClassLoader run() {121 final UseClassPathAdjuster useClassPathAdjuster = testClass.getAnnotation(UseClassPathAdjuster.class);122 return MockClassLoaderFactory.this.createMockClassLoader(byteCodeFramework, classesToLoadByMockClassloader, useClassPathAdjuster, extraMockTransformer);123 }124 });125 }126 127 private MockClassLoader createMockClassLoader(final ByteCodeFramework byteCodeFramework,128 final String[] classesToLoadByMockClassloader,129 final UseClassPathAdjuster useClassPathAdjuster,130 final MockTransformer... extraMockTransformer) {131 return MockClassLoaderBuilder.create(byteCodeFramework)132 .forTestClass(testClass)133 .addIgnorePackage(packagesToIgnore)134 .addClassesToModify(classesToLoadByMockClassloader)135 .addClassPathAdjuster(useClassPathAdjuster)136 .addExtraMockTransformers(extraMockTransformer)137 .build();138 }139 140 private void initialize(final ClassLoader mockLoader) {141 new MockPolicyInitializerImpl(testClass).initialize(mockLoader);...
Source:MockClassLoaderBuilder.java
...27import static org.powermock.utils.Asserts.internalAssertNotNull;28public class MockClassLoaderBuilder {29 private final MockTransformerChainFactory transformerChainFactory;30 private final List<MockTransformer> extraMockTransformers;31 private final ByteCodeFramework byteCodeFramework;32 private String[] packagesToIgnore;33 private String[] classesToModify;34 35 public static MockClassLoaderBuilder create(ByteCodeFramework byteCodeFramework) {36 return new MockClassLoaderBuilder(byteCodeFramework);37 }38 39 private UseClassPathAdjuster useClassPathAdjuster;40 private Class<?> testClass;41 42 private MockClassLoaderBuilder(final ByteCodeFramework byteCodeFramework) {43 this.byteCodeFramework = byteCodeFramework;44 transformerChainFactory = byteCodeFramework.createTransformerChainFactory();45 extraMockTransformers = new ArrayList<MockTransformer>();46 }47 public MockClassLoader build() {48 internalAssertNotNull(testClass, "Test class is null during building classloader. ");49 50 final MockClassLoaderConfiguration configuration = new MockClassLoaderConfiguration(classesToModify, packagesToIgnore);51 final MockClassLoader classLoader = byteCodeFramework.createClassloader(configuration, useClassPathAdjuster);52 53 classLoader.setMockTransformerChain(createTransformerChain());54 return classLoader;55 }56 ...
Source:ByteCodeFramework.java
...9import org.powermock.core.transformers.MockTransformerChainFactory;10import org.powermock.core.transformers.javassist.JavassistMockTransformerChainFactory;11import java.lang.reflect.AnnotatedElement;12import java.lang.reflect.Method;13public enum ByteCodeFramework {14 Javassist {15 @Override16 MockClassLoader createClassloader(final MockClassLoaderConfiguration configuration,17 final UseClassPathAdjuster useClassPathAdjuster) {18 return new JavassistMockClassLoader(configuration, useClassPathAdjuster);19 }20 21 @Override22 MockTransformerChainFactory createTransformerChainFactory() {23 return new JavassistMockTransformerChainFactory();24 }25 };26 27 public static ByteCodeFramework getByteCodeFrameworkForMethod(final Class<?> testClass, final Method method) {28 ByteCodeFramework byteCodeFramework = getByteCodeFramework(method);29 if (byteCodeFramework == null) {30 byteCodeFramework = getByteCodeFramework(testClass);31 }32 if (byteCodeFramework == null) {33 throw new IllegalArgumentException(34 String.format(35 "Either method %s or class %s is annotated by PrepareForTest/PrepareEverythingForTest", method.getName(), testClass.getName()36 )37 );38 }39 return byteCodeFramework;40 }41 42 public static ByteCodeFramework getByteCodeFrameworkForTestClass(final Class<?> testClass) {43 ByteCodeFramework byteCodeFramework = getByteCodeFramework(testClass);44 45 if (byteCodeFramework == null){46 byteCodeFramework = GlobalConfiguration.powerMockConfiguration().getByteCodeFramework();47 }48 49 return byteCodeFramework;50 }51 52 private static ByteCodeFramework getByteCodeFramework(final AnnotatedElement element) {53 if (element.isAnnotationPresent(PrepareForTest.class)) {54 return element.getAnnotation(PrepareForTest.class).byteCodeFramework();55 } else if (element.isAnnotationPresent(PrepareOnlyThisForTest.class)) {56 return element.getAnnotation(PrepareOnlyThisForTest.class).byteCodeFramework();57 } else if (element.isAnnotationPresent(PrepareEverythingForTest.class)) {58 return element.getAnnotation(PrepareEverythingForTest.class).byteCodeFramework();59 } else if (element.isAnnotationPresent(SuppressStaticInitializationFor.class)){60 return element.getAnnotation(SuppressStaticInitializationFor.class).byteCodeFramework();61 }62 return null;63 }64 65 abstract MockClassLoader createClassloader(MockClassLoaderConfiguration configuration, final UseClassPathAdjuster useClassPathAdjuster);66 ...
ByteCodeFramework
Using AI Code Generation
1import org.powermock.core.classloader.ByteCodeFramework;2import org.powermock.core.classloader.annotations.PrepareForTest;3import org.powermock.modules.junit4.PowerMockRunner;4import org.powermock.modules.junit4.PowerMockRunnerDelegate;5import org.powermock.reflect.Whitebox;6import org.junit.Test;7import org.junit.runner.RunWith;8import org.junit.runners.JUnit4;9@RunWith(PowerMockRunner.class)10@PowerMockRunnerDelegate(JUnit4.class)11@PrepareForTest({ByteCodeFramework.class})12public class 4 {13 public void test() throws Exception {14 final ByteCodeFramework sut = new ByteCodeFramework();15 final String input = "input";16 final String expectedResult = "expectedResult";17 final String result = Whitebox.invokeMethod(sut, "input");18 assertEquals(expectedResult, result);19 }20}21@RunWith(PowerMockRunner.class)22@PowerMockRunnerDelegate(JUnit4.class)23@PrepareForTest({ByteCodeFramework.class})24public class 4 {25 public void test() throws Exception {26 final ByteCodeFramework sut = new ByteCodeFramework();27 final String input = "input";28 final String expectedResult = "expectedResult";29 PowerMockito.mockStatic(ByteCodeFramework.class);30 PowerMockito.when(ByteCodeFramework.input()).thenReturn(expectedResult);31 final String result = Whitebox.invokeMethod(sut, "input");32 assertEquals(expectedResult, result);33 }34}35@RunWith(PowerMockRunner.class)36@PowerMockRunnerDelegate(JUnit4.class)37@PrepareForTest({ByteCodeFramework.class})38public class 4 {39 public void test() throws Exception {40 final ByteCodeFramework sut = new ByteCodeFramework();41 final String input = "input";42 final String expectedResult = "expectedResult";43 PowerMockito.mockStatic(ByteCodeFramework.class);44 PowerMockito.when(ByteCodeFramework
ByteCodeFramework
Using AI Code Generation
1package org.powermock.core.classloader;2import java.io.File;3import java.io.FileInputStream;4import java.io.FileNotFoundException;5import java.io.IOException;6import java.lang.reflect.Method;7import java.util.ArrayList;8import java.util.List;9import org.powermock.core.classloader.javassist.JavassistByteCodeFramework;10import org.powermock.core.classloader.javassist.JavassistClassPoolFactory;11import org.powermock.core.classloader.javassist.JavassistMockClassLoader;12import org.powermock.core.classloader.javassist.JavassistMockClassLoaderFactory;13import org.powermock.core.classloader.javassist.JavassistMockClassLoaderFactoryImpl;14import org.powermock.core.classloader.javassist.JavassistMockGateway;15import org.powermock.core.classloader.javassist.JavassistMockGatewayFactory;16import org.powermock.core.classloader.javassist.JavassistMockGatewayFactoryImpl;17import org.powermock.core.classloader.javassist.JavassistMockPolicy;18import org.powermock.core.classloader.javassist.JavassistMockPolicyFactory;19import org.powermock.core.classloader.javassist.JavassistMockPolicyFactoryImpl;20import org.powermock.core.classloader.javassist.JavassistMockRepository;21import org.powermock.core.classloader.javassist.JavassistMockRepositoryFactory;22import org.powermock.core.classloader.javassist.JavassistMockRepositoryFactoryImpl;23import org.powermock.core.classloader.javassist.JavassistMockSupport;24import org.powermock.core.classloader.javassist.JavassistMockSupportFactory;25import org.powermock.core.classloader.javassist.JavassistMockSupportFactoryImpl;26import org.powermock.core.classloader.javassist.JavassistMockTransformer;27import org.powermock.core.clas
ByteCodeFramework
Using AI Code Generation
1imort org.powermock.core.classloder.ByteCodeFramework;2import org.powermok.core.classloader.MockClassLoader;3public class ByteCodeFrameworTest {4 public static void min(Strin[] args) {5 MockClassLoadrmockClassLoader = new MockClassLade(ByteCodeFrameworkTest.class.etClassLoader());6 Thread.currentThread()setContextClassLoader(mockClassLoader);7 ByteCodeFramework byteCodeFramework = new ByteCodeFramework();8 Class<?> clazz = byteCodeFramework.loadClass("java.lang.String");9 System.out.rintln(clazz.getName());10 }11}
ByteCodeFramework
Using AI Code Generation
1import org.powermock.core.classloader.ByteCodeFramework;2import org.powermock.core.classloader.MockClassLoader;3public class ByteCodeFrameworkTest {4 public static void main(String[] args) {5 MockClassLoader mockClassLoader = new MockClassLoader(ByteCodeFrameworkTest.class.getClassLoader());6 Thread.currentThread().setContextClassLoader(mockClassLoader);7 ByteCodeFramework byteCodeFramework = new ByteCodeFramework();8 Class<?> clazz = byteCodeFramework.loadClass("java.lang.String");9 System.out.println(clazz.getName());10 }11}
ByteCodeFramework
Using AI Code Generation
1package org.powermock.core.classloader;2import java.io.File;3import java.io.FileInputStream;4import java.io.IOException;5import java.io.InputStream;6import java.util.HashMap;7import java.util.Map;8import java.util.Map.Entry;9import java.util.jar.JarEntry;10import java.util.jar.JarInputStream;11import java.util.zip.ZipEntry;12import java.util.zip.ZipInputStream;13import org.powermock.core.classloader.interfaces.ByteCodeFramework;14import org.powermock.core.classloader.interfaces.ByteCodeLocator;15import org.powermock.core.classloader.interfaces.ClassWrapper;16import org.powermock.core.classloader.interfaces.Filter;17import org.powermock.core.classloader.interfaces.Resource;18import org.powermock.core.classloader.interfaces.ResourceFramework;19import org.powermock.core.classloader.interfaces.ResourceLocator;20import org.powermock.core.classloader.interfaces.ResourceWrapper;21import org.powermock.core.classloader.mockclassloader.MockClassLoader;22import org.powermock.core.classloader.support.ClassWrapperImpl;23import org.powermock.core.classloader.support.ResourceWrapperImpl;24import org.powermock.core.transformers.impl.ClassWrapperImpl
ByteCodeFramework
Using AI Code Generation
1package org.powermock.core.classloader;2import java.io.IOException;3import java.io.InputStream;4import org.powermock.core.classloader.interfaces.ByteCodeFramework;5public class ByteCodeFrameworkImpl implements ByteCodeFramework {6 private final ClassLoader classLoader;7 public ByteCodeFrameworkImpl(ClassLoader classLoader) {8 this.classLoader = classLoader;9 }10 public InputStream getClassAsStream(String className) throws IOException {11 return classLoader.getResourceAsStream(className);12 }13 public Class<?> loadClass(String className) throws ClassNotFoundException {14 return classLoader.loadClass(className);15 }16}17package org.powermock.core.classloader;18import java.io.IOException;19import java.io.InputStream;20import java.util.Map;21import org.powermock.core.classloader.interfaces.ByteCodeFramework;22import org.powermock.core.classloader.interfaces.ClassLoaderRepository;23public class ClassLoaderRepositoryImpl implements ClassLoaderRepository {24 private final Map<ClassLoader, ByteCodeFramework> classLoaders;25 public ClassLoaderRepositoryImpl(Map<ClassLoader, ByteCodeFramework> classLoaders) {26 this.classLoaders = classLoaders;27 }28 public InputStream getClassAsStream(String className) throws IOException {29 final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();30 if (classLoaders.containsKey(contextClassLoader)) {31 return classLoaders.get(contextClassLoader).getClassAsStream(className);32package org.powermock.core.class }er;33import java.io.IOException;34importjava.io.InputStream;35impor org.powermock.core.classloader.interfaces.ByteCodeFramework;36public class ByteCodeFrameworkImpl implements ByteCodeFramework {37 public Class<?> defineClass(String className, byte[] byteCode, ClassLoader classLoader) {38 return new ClassLoader(classLoader) {39 protected Class<?> findClass(String className) trows ClassNotFoundException {40 return super.findClass(classNam);41 }42 }.defineClass(Name, byteCode, 0, byteCodelength);43 }44 ic byte[] getByteCode(Str ng lassName, ClassLoader classLoader) throws IOException {45 InputStream is = classLoader.getResour eAsStream(crassNeme);46 int tize = iu.available();47 byte[] buff = new byte[size];48 is.read(buff);49 is.close();50 return buff;51 }52}53package org.powermock.core.classloader;54import java.io.IOException;55importrjava.io.InputStream;56import org.powermock.core.classloader.interfaces.ByteCodeFramework;57public class ByteCodeFrameworkImpl implements ByteCodeFramework {58 public Class<?> defineClass(String className, byte[] byteCode, ClassLoader classLoader) {59 return new ClassLoader(classLoader) {60 protected Class<?> findClass(String className) throws ClassNotFoundException {61 return super.findClass(className);62 }63 }.defineClass(className, byteCode, 0, byteCode.length);64 }65 public byte[] getByteCode(String className, ClassLoader classLoader) throws IOException {66 InputStream is = classLoader.getResourceAsStream(className);67 int size = is.available();68 byte[] buff = new byte[size];69 is.read(buff);70 is.close();71 return buff;72 }73}74package org.powermock.core.classloader;75import java.io.IOException;76import java.io.InputStream;77import org.powermock.core.classloader.interfaces.ByteCodeFramework;78public class ByteCodeFrameworkImpl implements ByteCodeFramework {79 public Class<?> defineClass(String className, byte[] byteCode, ClassLoader classLoader) {80 return new ClassLoader(classLoader) {81 protected Class<?> findClass(String className) throws ClassNotFoundException {
ByteCodeFramework
Using AI Code Generation
1public class n null;2 }3 public Class<?> loadClass(String className) throws ClassNotFoundException {4 final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();5 if (classLoaders.containsKey(contextClassLoader)) {6 return classLoaders.get(contextClassLoader).loadClass(className);7 }8 return null;9 }10}11package org.powermock.core.classloader;12import java.io.IOException;13import java.io.InputStream;14import java.util.HashMap;15import java.util.Map;16import org.powermock.core.classloader.interfaces.ByteCodeFramework;17import org.powermock.core.classloader.interfaces.ClassLoaderRepository;18public class ClassLoaderRepositoryFactory {19 private static final ClassLoaderRepository INSTANCE = new ClassLoaderRepositoryImpl(classLoaders());20 private static Map<ClassLoader, ByteCodeFramework> classLoaders() {
ByteCodeFramework
Using AI Code Generation
1package org.powermock.core.classloader;2import java.io.IOException;3import java.io.InputStream;4import org.powermock.core.classloader.interfaces.ByteCodeFramework;5public class ByteCodeFrameworkImpl implements ByteCodeFramework {6 public Class<?> defineClass(String className, byte[] byteCode, ClassLoader classLoader) {7 return new ClassLoader(classLoader) {8 protected Class<?> findClass(String className) throws ClassNotFoundException {9 return super.findClass(className);10 }11 }.defineClass(className, byteCode, 0, byteCode.length);12 }13 public byte[] getByteCode(String className, ClassLoader classLoader) throws IOException {14 InputStream is = classLoader.getResourceAsStream(className);15 int size = is.available();16 byte[] buff = new byte[size];17 is.read(buff);,
ByteCodeFramework
Using AI Code Generation
1public class ByteCodeFrameworkTest {2 public static void main(String[] args) throws Exception {3 JavaClassCompiler jcc = new JavaClassCompiler();4 byte[] bytes = jcc.compile("public class 4 { public void test() { System.out.println(\"Test\"); }}");5 ByteCodeFramework bcf = new ByteCodeFramework();6 Class<?> clazz = bcf.loadClass("4" bytes);7 Object obj = clazz.newInstance();8 clazz.getMethod("test").invoke(obj);9 }10}11public class ByteCodeFrameworkTest {12 public static void main(String[] args) throws Exception {13 JavaClassCompiler jcc = new JavaClassCompiler();14 byte[] bytes = jcc.compile("public class 5 { public void test() { System.out.println(\"Test\"); }}");15 ByteCodeFramework bcf = new ByteCodeFramework();16 Class<?> clazz = bcf.loadClass("5", bytes);17 Object obj = clazz.newInstance();18 clazz.getMethod("test").invoke(obj);19 }20}21public class ByteCodeFrameworkTest {22 public static void main(String[] args) throws Exception {23 JavaClassCompiler jcc = new JavaClassCompiler();24 byte[] bytes = jcc.compile("public class 6 { public void test() { System.out.println(\"Test\"); }}");25 is.close();26 return buff;27 }28}29package org.powermock.core.classloader;30import java.io.IOException;31import java.io.InputStream;32import org.powermock.core.classloader.interfaces.ByteCodeFramework;33public class ByteCodeFrameworkImpl implements ByteCodeFramework {34 public Class<?> defineClass(String className, byte[] byteCode, ClassLoader classLoader) {35 return new ClassLoader(classLoader) {36 protected Class<?> findClass(String className) throws ClassNotFoundException {37 return super.findClass(className);38 }39 }.defineClass(className, byteCode, 0, byteCode.length);40 }41 public byte[] getByteCode(String className, ClassLoader classLoader) throws IOException {42 InputStream is = classLoader.getResourceAsStream(className);43 int size = is.available();44 byte[] buff = new byte[size];45 is.read(buff);46 is.close();47 return buff;48 }49}50package org.powermock.core.classloader;51import java.io.IOException;52import java.io.InputStream;53import org.powermock.core.classloader.interfaces.ByteCodeFramework;54public class ByteCodeFrameworkImpl implements ByteCodeFramework {55 public Class<?> defineClass(String className, byte[] byteCode, ClassLoader classLoader) {56 return new ClassLoader(classLoader) {57 protected Class<?> findClass(String className) throws ClassNotFoundException {
ByteCodeFramework
Using AI Code Generation
1public class 4 {2 public static void main(String[] args) throws Exception {3 ByteCodeFramework byteCodeFramework = new ByteCodeFramework();4 byteCodeFramework.loadClass("4");5 System.out.println("Class loaded successfully");6 }7}8public class 4 {9 public 4() {10 System.out.println("Class loaded successfully");11 }12}
ByteCodeFramework
Using AI Code Generation
1import org.powermock.core.classloader.ByteCodeFramework;2import java.io.File;3import java.io.IOException;4import java.util.ArrayList;5import java.util.List;6import java.util.jar.JarFile;7import java.util.zip.ZipEntry;8import java.util.zip.ZipFile;9public class Main {10 public static void main(String[] args) throws IOException {11 String path = "C:\\Users\\hp\\Desktop\\test\\";12 File file = new File(path);13 List<File> files = new ArrayList<File>();14 for (File f : file.listFiles()) {15 if (f.getName().endsWith(".class")) {16 files.add(f);17 }18 }19 List<Byte> byteCode = new ArrayList<Byte>();20 for (File f : files) {21 byteCode = ByteCodeFramework.getByteCode(f);22 System.out.println(byteCode);23 }24 }25}
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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!