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

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

Source:JavassistMockTransformerChainFactory.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 org.powermock.core.transformers.MockTransformer;20import org.powermock.core.transformers.MockTransformerChain;21import org.powermock.core.transformers.MockTransformerChainFactory;22import org.powermock.core.transformers.TransformStrategy;23import org.powermock.core.transformers.support.DefaultMockTransformerChain;24import org.powermock.core.transformers.support.DefaultMockTransformerChain.MockTransformerChainBuilder;25import java.util.List;26public class JavassistMockTransformerChainFactory implements MockTransformerChainFactory {27    28    private static final TransformStrategy DEFAULT = TransformStrategy.CLASSLOADER;29    30    @Override31    public MockTransformerChain createDefaultChain() {32        return createDefaultChain(DEFAULT);33    }34    35    @Override36    public MockTransformerChain createDefaultChain(final TransformStrategy transformStrategy) {37        return createDefaultChainBuilder(transformStrategy).build();38    }39    40    @Override41    public MockTransformerChain createDefaultChain(final List<MockTransformer> extraMockTransformers) {42        return createDefaultChainBuilder(DEFAULT)43                   .append(extraMockTransformers)44                   .build();45    }46    47    @Override48    public MockTransformerChain createTestClassChain(final MockTransformer testClassTransformer) {49        return createDefaultChainBuilder(DEFAULT)50                   .append(testClassTransformer)51                   .build();52    }53    54    private MockTransformerChainBuilder createDefaultChainBuilder(final TransformStrategy transformStrategy) {55        return DefaultMockTransformerChain.newBuilder()56                                          .append(new ClassFinalModifierMockTransformer(transformStrategy))57                                          .append(new ConstructorsMockTransformer(transformStrategy))58                                          .append(new InstrumentMockTransformer(transformStrategy))59                                          .append(new PackagePrivateClassesMockTransformer(transformStrategy))60                                          .append(new StaticFinalFieldsMockTransformer(transformStrategy))61                                          .append(new StaticFinalNativeMethodMockTransformer(transformStrategy))62                                          .append(new SuppressStaticInitializerMockTransformer(transformStrategy))63                                          .append(new MethodSizeMockTransformer(transformStrategy));64    }65}...

Source:ConstructorsMockTransformer.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.CtClass;20import javassist.CtConstructor;21import javassist.Modifier;22import javassist.NotFoundException;23import org.powermock.core.transformers.TransformStrategy;24import static org.powermock.core.transformers.TransformStrategy.CLASSLOADER;25/**26 * Convert all constructors to public27 */28public class ConstructorsMockTransformer extends AbstractJavaAssistMockTransformer {29    30    public ConstructorsMockTransformer(final TransformStrategy strategy) {31        super(strategy);32    }33    34    @Override35    public CtClass transform(final CtClass clazz) {36        if (clazz.isInterface()) {37            return clazz;38        }39        40        if (getStrategy() == CLASSLOADER) {41            transform(new CtClass[]{clazz});42            // we also need to transform nested class at this time due to JEP181 since JDK1143            // otherwise, we might have trouble during further transformation44            // see github #95845            try {46                CtClass[] nestedClasses = clazz.getDeclaredClasses();47                transform(nestedClasses);48            } catch (NotFoundException ignored) {49                // ignored50            }51        }52        return clazz;53    }54    private static void transform(final CtClass[] clazzArray) {55        for (CtClass nestedClazz : clazzArray) {56            for (CtConstructor c : nestedClazz.getDeclaredConstructors()) {57                final int modifiers = c.getModifiers();58                if (!Modifier.isPublic(modifiers)) {59                    c.setModifiers(Modifier.setPublic(modifiers));60                }61            }62        }63    }64}...

transform

Using AI Code Generation

1package org.powermock.core.transformers.javassist;2import java.io.IOException;3import java.lang.instrument.IllegalClassFormatException;4import java.lang.instrument.Instrumentation;5import java.lang.instrument.UnmodifiableClassException;6import java.security.ProtectionDomain;7import javassist.ClassPool;8import javassist.CtClass;9import javassist.CtMethod;10import javassist.NotFoundException;11public class ConstructorsMockTransformer {12	public static void main(String[] args) throws UnmodifiableClassException, NotFoundException, IOException, IllegalClassFormatException {13		Instrumentation inst = null;14		ClassPool pool = ClassPool.getDefault();15		CtClass ct = pool.get("org.powermock.core.transformers.javassist.ConstructorsMockTransformer");16		CtMethod m = ct.getDeclaredMethod("main");17		m.insertBefore("System.out.println(\"Hello world\");");18		byte[] b = ct.toBytecode();19		inst.retransformClasses(ConstructorsMockTransformer.class);20	}21}22package org.powermock.core.transformers.javassist;23import java.io.IOException;24import java.lang.instrument.IllegalClassFormatException;25import java.lang.instrument.Instrumentation;26import java.lang.instrument.UnmodifiableClassException;27import java.security.ProtectionDomain;28import javassist.ClassPool;29import javassist.CtClass;30import javassist.CtMethod;31import javassist.NotFoundException;32public class ConstructorsMockTransformer {33	public static void main(String[] args) throws UnmodifiableClassException, NotFoundException, IOException, IllegalClassFormatException {34		Instrumentation inst = null;35		ClassPool pool = ClassPool.getDefault();36		CtClass ct = pool.get("org.powermock.core.transformers.javassist.ConstructorsMockTransformer");37		CtMethod m = ct.getDeclaredMethod("main");38		m.insertBefore("System.out.println(\"Hello world\");");39		byte[] b = ct.toBytecode();

transform

Using AI Code Generation

1package org.powermock.core.transformers.javassist;2import java.lang.instrument.IllegalClassFormatException;3import java.security.ProtectionDomain;4import java.util.Arrays;5import java.util.List;6import javassist.CtClass;7import javassist.CtConstructor;8import javassist.CtMethod;9import javassist.CtNewConstructor;10import javassist.NotFoundException;11import org.powermock.core.transformers.MockTransformer;12import org.powermock.core.transformers.MockTransformerChain;13import org.powermock.core.transformers.MockTransformerChainFactory;14import org.powermock.core.transformers.TransformStrategy;15import org.powermock.core.transformers.TransformStrategyFactory;16import org.powermock.core.transformers.impl.ClassMockTransformer;17import org.powermock.core.transformers.impl.ConstructorMockTransformer;18import org.powermock.core.transformers.impl.MethodMockTransformer;19import org.powermock.core.transformers.impl.MockTransformerChainImpl;20import org.powermock.core.transformers.impl.MockTransformerChainImpl.Builder;21import org.powermock.core.transformers.impl.MethodMockTransformer.MethodMockTransformerBuilder;22public class ConstructorsMockTransformer extends MockTransformer {23	private final MockTransformerChain mockTransformerChain;24	public ConstructorsMockTransformer() {25		this.mockTransformerChain = createMockTransformerChain();26	}27	private MockTransformerChain createMockTransformerChain() {28		final Builder builder = new MockTransformerChainImpl.Builder();29		builder.add(new ClassMockTransformer());30		builder.add(new ConstructorMockTransformer());31		builder.add(new MethodMockTransformer());32		return builder.build();33	}34	public byte[] transform(ClassLoader loader, String className,35			byte[] classfileBuffer) throws IllegalClassFormatException {36		try {37					.createChainForMockingConstructors(mockTransformerChain);38			return chain.transform(loader, className, classBeingRedefined,39					protectionDomain, classfileBuffer);40		} catch (Exception e) {41			throw new IllegalClassFormatException(e.getMessage());42		}43	}44}45package org.powermock.core.transformers.javassist;46import java.lang.instrument.IllegalClassFormatException;47import java.security.ProtectionDomain;48import java.util.Arrays;49import java.util.List;50import javassist.CtClass;51import javassist.CtConstructor;52import javassist.CtMethod;53import javassist.CtNewConstructor;54import javassist

transform

Using AI Code Generation

1package com.powermock.examples;2import java.lang.instrument.IllegalClassFormatException;3import javassist.CannotCompileException;4import javassist.CtClass;5import javassist.CtMethod;6import javassist.NotFoundException;7import org.junit.Assert;8import org.junit.Test;9import org.junit.runner.RunWith;10import org.powermock.api.easymock.annotation.Mock;11import org.powermock.core.transformers.javassist.ConstructorsMockTransformer;12import org.powermock.modules.junit4.PowerMockRunner;13import org.powermock.reflect.Whitebox;14import static org.powermock.api.easymock.PowerMock.*;15@RunWith(PowerMockRunner.class)16public class ConstructorsMockTransformerTest {17    private CtClass mockCtClass;18    private CtMethod mockCtMethod;19    public void testTransform() throws Exception {20        ConstructorsMockTransformer constructorsMockTransformer = new ConstructorsMockTransformer();21        Whitebox.setInternalState(constructorsMockTransformer, "mockedClass", "com.powermock.examples.ConstructorsMockTransformerTest");22        Whitebox.setInternalState(constructorsMockTransformer, "mockedConstructor", "com.powermock.examples.ConstructorsMockTransformerTest");23        Whitebox.setInternalState(constructorsMockTransformer, "mockedMethodName", "testTransform");24        Whitebox.setInternalState(constructorsMockTransformer, "mockedMethodDesc", "(Ljava/lang/String;)Ljava/lang/String;");25        Whitebox.setInternalState(constructorsMockTransformer, "mockedMethodSignature", "testTransform");26        Whitebox.setInternalState(constructorsMockTransformer, "mockedMethodIsStatic", false);27        Whitebox.setInternalState(constructorsMockTransformer, "mockedMethodIsFinal", false);28        Whitebox.setInternalState(constructorsMockTransformer, "mockedMethodIsPrivate", false);29        Whitebox.setInternalState(constructorsMockTransformer, "mockedMethodIs

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