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How to use transform method of org.powermock.core.transformers.javassist.InstrumentMockTransformer class

Best Powermock code snippet using org.powermock.core.transformers.javassist.InstrumentMockTransformer.transform

Source:InstrumentMockTransformerTest.java

...14 *   See the License for the specific language governing permissions and15 *   limitations under the License.16 *17 */18package org.powermock.core.transformers;19import javassist.CannotCompileException;20import javassist.ClassPool;21import javassist.CtClass;22import javassist.CtField;23import javassist.CtMethod;24import javassist.NotFoundException;25import javassist.bytecode.AccessFlag;26import org.junit.Test;27import org.junit.runners.Parameterized;28import org.powermock.core.test.MockClassLoaderFactory;29import org.powermock.core.transformers.javassist.InstrumentMockTransformer;30import org.powermock.core.transformers.mock.MockGatewaySpy;31import powermock.test.support.MainMockTransformerTestSupport.SuperClassWithObjectMethod;32import java.lang.reflect.Field;33import static org.assertj.core.api.Java6Assertions.assertThat;34import static org.powermock.core.test.ClassLoaderTestHelper.runTestWithNewClassLoader;35public class InstrumentMockTransformerTest extends AbstractBaseMockTransformerTest {36    37    private static final String SYNTHETIC_FIELD_VALUE = "Synthetic Field Value";38    39    @Parameterized.Parameters(name = "strategy: {0}, transformer: {1}")40    public static Iterable<Object[]> data() {41        return MockTransformerTestHelper.createTransformerTestData(42            InstrumentMockTransformer.class43        );44    }45    46    public InstrumentMockTransformerTest(final TransformStrategy strategy, final MockTransformerChain mockTransformerChain,47                                         final MockClassLoaderFactory mockClassloaderFactory) {48        super(strategy, mockTransformerChain, mockClassloaderFactory);49    }50    51    @Test52    public void should_ignore_call_to_synthetic_field_when_instrument_call_to_method() throws Throwable {53        final ClassPool classPool = new ClassPool(true);54        CtClass ctClass = prepareClassesForFieldTests(classPool);55        56        mockTransformerChain.transform(wrap(ctClass));57        58        runTestWithNewClassLoader(classPool, ShouldIgnoreCallToSyntheticField.class.getName());59    }60    61    62    private CtClass prepareClassesForFieldTests(ClassPool classPool) throws NotFoundException, CannotCompileException {63        CtClass ctClass = classPool.getCtClass(SuperClassWithObjectMethod.class.getName());64        65        addSyntheticField(classPool, ctClass);66        insertCallSyntheticField(ctClass);67        68        return ctClass;69    }70    ...

Source:InstrumentMockTransformer.java

...14 *   See the License for the specific language governing permissions and15 *   limitations under the License.16 *17 */18package org.powermock.core.transformers.javassist;19import javassist.CannotCompileException;20import javassist.CtClass;21import org.powermock.core.MockGateway;22import org.powermock.core.transformers.TransformStrategy;23import org.powermock.core.transformers.javassist.support.PowerMockExpressionEditor;24import java.io.File;25import java.io.OutputStream;26public class InstrumentMockTransformer extends AbstractJavaAssistMockTransformer {27    28    private Class<?> mockGetawayClass;29    30    public InstrumentMockTransformer(final TransformStrategy strategy) {31        super(strategy);32        this.mockGetawayClass = MockGateway.class;33    }34    35    @Override36    public CtClass transform(final CtClass clazz) throws CannotCompileException {37        clazz.instrument(new PowerMockExpressionEditor(getStrategy(), clazz, mockGetawayClass));38        return clazz;39    }40}...

transform

Using AI Code Generation

1import org.powermock.core.transformers.javassist.InstrumentMockTransformer;2import javassist.ClassPool;3import javassist.CtClass;4import javassist.CtMethod;5import javassist.CtNewMethod;6public class 4 {7    public static void main(String[] args) throws Exception {8        ClassPool pool = ClassPool.getDefault();9        CtClass cc = pool.get("com.rupali.java4");10        CtMethod m = CtNewMethod.make("public int add(int a, int b){return a+b;}", cc);11        cc.addMethod(m);12        byte[] bytes = cc.toBytecode();13        InstrumentMockTransformer instrumentMockTransformer = new InstrumentMockTransformer();14        byte[] bytes1 = instrumentMockTransformer.transform(bytes, "com.rupali.java4");15        System.out.println("bytes1 = " + bytes1);16    }17}18import org.powermock.core.transformers.javassist.InstrumentMockTransformer;19import javassist.ClassPool;20import javassist.CtClass;21import javassist.CtMethod;22import javassist.CtNewMethod;23public class 5 {24    public static void main(String[] args) throws Exception {25        ClassPool pool = ClassPool.getDefault();26        CtClass cc = pool.get("com.rupali.java5");27        CtMethod m = CtNewMethod.make("public int add(int a, int b){return a+b;}", cc);28        cc.addMethod(m);29        byte[] bytes = cc.toBytecode();30        InstrumentMockTransformer instrumentMockTransformer = new InstrumentMockTransformer();31        byte[] bytes1 = instrumentMockTransformer.transform(bytes, "com.rupali.java5");32        System.out.println("bytes1 = " + bytes1);33    }34}35import org.powermock.core.transformers.javassist.InstrumentMockTransformer;36import javassist.ClassPool;37import javassist.CtClass;38import javassist.CtMethod;39import javassist.CtNewMethod;40public class 6 {41    public static void main(String[] args) throws Exception {42        ClassPool pool = ClassPool.getDefault();43        CtClass cc = pool.get("com.rupali.java6");44        CtMethod m = CtNewMethod.make("public int add(int a, int b){return

transform

Using AI Code Generation

1package org.powermock.core.transformers.javassist;2import java.io.File;3import java.io.IOException;4import java.lang.instrument.IllegalClassFormatException;5import java.security.ProtectionDomain;6import org.powermock.core.transformers.MockTransformer;7public class InstrumentMockTransformer implements MockTransformer {8    private final MockTransformer transformer;9    public InstrumentMockTransformer(MockTransformer transformer) {10        this.transformer = transformer;11    }12    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,13            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {14        try {15            final String name = className.replace('/', '.');16            final File file = new File(name);17            final byte[] transformed = transformer.transform(loader, name, classBeingRedefined, protectionDomain, classfileBuffer);18            return transformed;19        } catch (IOException e) {20            throw new IllegalClassFormatException(e.getMessage());21        }22    }23}24package org.powermock.core.transformers.javassist;25import java.io.File;26import java.io.IOException;27import java.lang.instrument.IllegalClassFormatException;28import java.security.ProtectionDomain;29import org.powermock.core.transformers.MockTransformer;30public class InstrumentMockTransformer implements MockTransformer {31    private final MockTransformer transformer;32    public InstrumentMockTransformer(MockTransformer transformer) {33        this.transformer = transformer;34    }35    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,36            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {37        try {38            final String name = className.replace('/', '.');39            final File file = new File(name);40            final byte[] transformed = transformer.transform(loader, name, classBeingRedefined, protectionDomain, classfileBuffer);41            return transformed;42        } catch (IOException e) {43            throw new IllegalClassFormatException(e.getMessage());44        }45    }46}47package org.powermock.core.transformers.javassist;48import java.io.File;49import java.io.IOException;50import java.lang.instrument.IllegalClassFormatException;51import java.security.ProtectionDomain;52import org.powermock.core.transformers.MockTransformer;53public class InstrumentMockTransformer implements MockTransformer {

transform

Using AI Code Generation

1package com.example.demo;2import java.lang.instrument.ClassFileTransformer;3import java.lang.instrument.IllegalClassFormatException;4import java.security.ProtectionDomain;5import org.powermock.core.transformers.javassist.InstrumentMockTransformer;6public class MyTransformer implements ClassFileTransformer {7	private static final InstrumentMockTransformer transformer = new InstrumentMockTransformer();8	public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,9			ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {10		try {11			return transformer.transform(loader, className, classBeingRedefined, protectionDomain, classfileBuffer);12		} catch (Throwable t) {13			return null;14		}15	}16}17package com.example.demo;18import java.lang.instrument.ClassFileTransformer;19import java.lang.instrument.IllegalClassFormatException;20import java.security.ProtectionDomain;21import org.powermock.core.transformers.javassist.JavassistMockTransformer;22public class MyTransformer implements ClassFileTransformer {23	private static final JavassistMockTransformer transformer = new JavassistMockTransformer();24	public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,25			ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {26		try {27			return transformer.transform(loader, className, classBeingRedefined, protectionDomain, classfileBuffer);28		} catch (Throwable t) {29			return null;30		}31	}32}33package com.example.demo;34import java.lang.instrument.ClassFileTransformer;35import java.lang.instrument.IllegalClassFormatException;36import java.security.ProtectionDomain;37import org.powermock.core.transformers.javassist.MethodNameTransformer;38public class MyTransformer implements ClassFileTransformer {39	private static final MethodNameTransformer transformer = new MethodNameTransformer();40	public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,41			ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {42		try {43			return transformer.transform(loader, className, classBeingRedefined, protectionDomain, classfileBuffer);44		} catch (Throwable t) {45			return null;46		}47	}48}

transform

Using AI Code Generation

1package org.powermock.core.transformers.javassist;2import java.lang.instrument.IllegalClassFormatException;3import java.security.ProtectionDomain;4import javassist.ClassPool;5import javassist.CtClass;6public class InstrumentMockTransformer {7public static void main(String[] args) {8    try {9        ClassPool pool = ClassPool.getDefault();10        CtClass cc = pool.get("org.powermock.core.transformers.javassist.InstrumentMockTransformer");11        byte[] b = cc.toBytecode();12        InstrumentMockTransformer transformer = new InstrumentMockTransformer();13        byte[] transformed = transformer.transform(null, "org.powermock.core.transformers.javassist.InstrumentMockTransformer", null, null, b);14        System.out.println("Transformed class name: " + new String(transformed));15    } catch (Exception e) {16        e.printStackTrace();17    }18}19public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {20    return classfileBuffer;21}22}23import java.lang.instrument.ClassFileTransformer;24import java.lang.instrument.IllegalClassFormatException;25import java.security.ProtectionDomain;26import javassist.ClassPool;27import javassist.CtClass;28import javassist.CtMethod;29import javassist.NotFoundException;30public class InstrumentMockTransformer implements ClassFileTransformer {31    private static final String[] MOCKING_CLASSES = { "org.powermock.api.mockito.PowerMockito", "org.powermock.api.easymock.PowerMock", "org.powermock.api.support.membermodification.MemberModifier" };32    private static final String[] MOCKING_CLASSES_FOR_INSTRUMENTATION = { "org.powermock.api.mockito.internal.mockcreation.MockType", "org.powermock.api.easymock.internal.mockcreation.MockType", "org.powermock.api.support.membermodification.MemberModifier" };33    private static final String[] MOCKING_CLASSES_FOR_INSTRUMENTATION2 = { "org.powermock.api.mockito.internal.mockcreation.MockType", "org.powermock.api.easymock.internal.mockcreation.MockType", "org.powermock.api.support.membermodification.MemberModifier" };34    private static final String[] MOCKING_CLASSES_FOR_INSTRUMENTATION3 = { "org.powermock.api.mockito.internal.mockcreation.MockType", "org.powermock.api.easymock.internal.mockcreation.MockType", "org.powermock.api.support

transform

Using AI Code Generation

1package org.powermock.core.transformers.javassist;2import java.lang.instrument.ClassFileTransformer;3import java.lang.instrument.IllegalClassFormatException;4import java.security.ProtectionDomain;5import javassist.ClassPool;6import javassist.CtClass;7import javassist.LoaderClassPath;8public class InstrumentMockTransformer implements ClassFileTransformer {9    private final ClassLoader classLoader;10    public InstrumentMockTransformer(ClassLoader classLoader) {11        this.classLoader = classLoader;12    }13    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,14                            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {15        if (loader == null) {16            loader = classLoader;17        }18        try {19            ClassPool classPool = ClassPool.getDefault();20            classPool.appendClassPath(new LoaderClassPath(loader));21            CtClass ctClass = classPool.get(className.replace('/', '.'));22            return ctClass.toBytecode();23        } catch (Throwable t) {24            return null;25        }26    }27}28package org.powermock.core.transformers.javassist;29import java.lang.instrument.ClassFileTransformer;30import java.lang.instrument.IllegalClassFormatException;31import java.security.ProtectionDomain;32import javassist.ClassPool;33import javassist.CtClass;34import javassist.LoaderClassPath;35public class InstrumentMockTransformer implements ClassFileTransformer {36    private final ClassLoader classLoader;37    public InstrumentMockTransformer(ClassLoader classLoader) {38        this.classLoader = classLoader;39    }40    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,41                            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {42        if (loader == null) {43            loader = classLoader;44        }45        try {46            ClassPool classPool = ClassPool.getDefault();47            classPool.appendClassPath(new LoaderClassPath(loader));48            CtClass ctClass = classPool.get(className.replace('/', '.'));49            return ctClass.toBytecode();50        } catch (Throwable t) {51            return null;52        }53    }54}

transform

Using AI Code Generation

1public class 4 {2    public static void main(String[] args) throws Exception {3        InstrumentMockTransformer transformer = new InstrumentMockTransformer();4        ClassPool classPool = ClassPool.getDefault();5        classPool.insertClassPath(new ClassClassPath(4.class));6        CtClass ctClass = classPool.get("4");7        byte[] transformed = transformer.transform(classPool, ctClass);8        System.out.println("Transformed class: " + new String(transformed));9    }10}11public class 4 {12    public 4() {13        System.out.println("4");14    }15    public static void main(String[] args) throws Exception {16        System.out.println("Transformed class");17    }18}19public class 4 {20    public static void main(String[] args) throws Exception {21        InstrumentMockTransformer transformer = new InstrumentMockTransformer();22        ClassPool classPool = ClassPool.getDefault();23        classPool.insertClassPath(new ClassClassPath(4.class));24        CtClass ctClass = classPool.get("4");25        byte[] transformed = transformer.transform(classPool, ctClass);26        System.out.println("Transformed class: " + new String(transformed));27    }28}29public class 4 {30    public 4() {31        System.out.println("4");32    }33    public static void main(String[] args) throws Exception {34        System.out.println("Transformed class");35    }36}37public class 4 {38    public static void main(String[] args) throws Exception {39        InstrumentMockTransformer transformer = new InstrumentMockTransformer();40        ClassPool classPool = ClassPool.getDefault();41        classPool.insertClassPath(new ClassClassPath(4.class));42        CtClass ctClass = classPool.get("4");43        byte[] transformed = transformer.transform(classPool, ctClass);44        System.out.println("Transformed class: " + new String(transformed));45    }46}47public class 4 {48    public 4() {49        System.out.println("4");50    }51    public static void main(String[] args) throws Exception {52        System.out.println("Transformed class");53    }54}

transform

Using AI Code Generation

1import org.powermock.core.transformers.javassist.InstrumentMockTransformer;2import javassist.ClassPool;3import javassist.CtClass;4public class InstrumentMockTransformerExample {5    public static void main(String[] args) throws Exception {6        ClassPool pool = ClassPool.getDefault();7        CtClass ctClass = pool.get("com.test.powermock.ClassToBeMocked");8        InstrumentMockTransformer transformer = new InstrumentMockTransformer();9        byte[] byteCode = transformer.transform(ctClass.toBytecode());10    }11}12package com.test.powermock;13public class ClassToBeMocked {14    public String methodToBeMocked() {15        return "Hello";16    }17}18package com.test.powermock;19import org.junit.Test;20import org.junit.runner.RunWith;21import org.powermock.api.mockito.PowerMockito;22import org.powermock.core.classloader.annotations.PrepareForTest;23import org.powermock.modules.junit4.PowerMockRunner;24@RunWith(PowerMockRunner.class)25@PrepareForTest(ClassToBeMocked.class)26public class ClassToBeMockedTest {27    public void testMethodToBeMocked() throws Exception {28        PowerMockito.mockStatic(ClassToBeMocked.class);29        PowerMockito.when(ClassToBeMocked.methodToBeMocked()).thenReturn("World");30    }31}

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