Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use TestClassTransformerBuilder class of org.powermock.core.transformers package

Best Powermock code snippet using org.powermock.core.transformers.TestClassTransformerBuilder

Source:AbstractCommonTestSuiteChunkerImpl.java

...4import org.powermock.core.classloader.annotations.PrepareForTest;5import org.powermock.core.classloader.annotations.PrepareOnlyThisForTest;6import org.powermock.core.classloader.annotations.SuppressStaticInitializationFor;7import org.powermock.core.transformers.MockTransformer;8import org.powermock.core.transformers.TestClassTransformerBuilder;9import org.powermock.tests.utils.TestChunk;10import org.powermock.tests.utils.TestSuiteChunker;11import java.lang.annotation.Annotation;12import java.lang.reflect.Method;13import java.util.ArrayList;14import java.util.Collection;15import java.util.LinkedHashMap;16import java.util.LinkedList;17import java.util.List;18public abstract class AbstractCommonTestSuiteChunkerImpl implements TestSuiteChunker {19    20    protected static final int NOT_INITIALIZED = -1;21    22    static final int DEFAULT_TEST_LISTENERS_SIZE = 1;23    static final int INTERNAL_INDEX_NOT_FOUND = NOT_INITIALIZED;24    /*25    * Maps between a specific class and a map of test methods loaded by a26    * specific mock class loader.27    */28    private final List<TestCaseEntry> internalSuites = new LinkedList<TestCaseEntry>();29    /*30     * Maps the list of test indexes that is assigned to a specific test suite31     * index.32     */33    final LinkedHashMap<Integer, List<Integer>> testAtDelegateMapper = new LinkedHashMap<Integer, List<Integer>>();34    final Class<?>[] testClasses;35    36    private int currentTestIndex = NOT_INITIALIZED;37    protected AbstractCommonTestSuiteChunkerImpl(Class<?> testClass) throws Exception {38        this(new Class[]{testClass});39    }40    AbstractCommonTestSuiteChunkerImpl(Class<?>... testClasses) throws Exception {41        this.testClasses = testClasses;42        for (Class<?> clazz : testClasses) {43            chunkClass(clazz);44        }45    }46    @Override47    public int getChunkSize() {48        return getTestChunks().size();49    }50    public List<TestChunk> getTestChunks() {51        List<TestChunk> allChunks = new LinkedList<TestChunk>();52        for (TestCaseEntry entry : internalSuites) {53            allChunks.addAll(entry.getTestChunks());54        }55        return allChunks;56    }57    public List<TestChunk> getTestChunksEntries(Class<?> testClass) {58        for (TestCaseEntry entry : internalSuites) {59            if (entry.getTestClass().equals(testClass)) {60                return entry.getTestChunks();61            }62        }63        return null;64    }65    public TestChunk getTestChunk(Method method) {66        for (TestChunk testChunk : getTestChunks()) {67            if (testChunk.isMethodToBeExecutedByThisClassloader(method)) {68                return testChunk;69            }70        }71        return null;72    }73    74    private void chunkClass(final Class<?> testClass) throws Exception {75        List<Method> testMethodsForOtherClassLoaders = new ArrayList<Method>();76        77        final ClassLoader defaultMockLoader = createDefaultMockLoader(testClass, testMethodsForOtherClassLoaders);78    79        List<Method> currentClassloaderMethods = new LinkedList<Method>();80        TestChunk defaultTestChunk = new TestChunkImpl(defaultMockLoader, currentClassloaderMethods);81        82        // Put the first suite in the map of internal suites.83        List<TestChunk> testChunks = new LinkedList<TestChunk>();84        testChunks.add(defaultTestChunk);85        86        internalSuites.add(new TestCaseEntry(testClass, testChunks));87        initEntries(internalSuites);88        89        if (!currentClassloaderMethods.isEmpty()) {90            List<TestChunk> allTestChunks = internalSuites.get(0).getTestChunks();91            for (TestChunk chunk : allTestChunks.subList(1, allTestChunks.size())) {92                testMethodsForOtherClassLoaders.addAll(chunk.getTestMethodsToBeExecutedByThisClassloader());93            }94        } else if (2 <= internalSuites.size()95                           || 1 == internalSuites.size()96                                      && 2 <= internalSuites.get(0).getTestChunks().size()) {97            /*98             * If we don't have any test that should be executed by the default99             * class loader remove it to avoid duplicate test print outs.100             */101            internalSuites.get(0).getTestChunks().remove(0);102        }103        //else{ /*Delegation-runner maybe doesn't use test-method annotations!*/ }104    }105    106    private ClassLoader createDefaultMockLoader(final Class<?> testClass, final Collection<Method> testMethodsForOtherClassLoaders) {107        final MockTransformer extraMockTransformer;108        if (null == testMethodAnnotation()) {109            extraMockTransformer = null;110        } else {111            extraMockTransformer = TestClassTransformerBuilder112                                       .forTestClass(testClass)113                                       .removesTestMethodAnnotation(testMethodAnnotation())114                                       .fromMethods(testMethodsForOtherClassLoaders);115        }116        return new MockClassLoaderFactory(testClass).createForClass(extraMockTransformer);117    }118    119    private void putMethodToChunk(TestCaseEntry testCaseEntry, Class<?> testClass, Method method) {120        if (shouldExecuteTestForMethod(testClass, method)) {121            currentTestIndex++;122            if (hasChunkAnnotation(method)) {123                LinkedList<Method> methodsInThisChunk = new LinkedList<Method>();124                methodsInThisChunk.add(method);125                126                final ClassLoader mockClassloader = createClassLoaderForMethod(testClass, method);127                128                final TestChunkImpl chunk = new TestChunkImpl(mockClassloader, methodsInThisChunk);129                testCaseEntry.getTestChunks().add(chunk);130                updatedIndexes();131            } else {132                testCaseEntry.getTestChunks().get(0).getTestMethodsToBeExecutedByThisClassloader().add(method);133                // currentClassloaderMethods.add(method);134                final int currentDelegateIndex = internalSuites.size() - 1;135                /*136                 * Add this test index to the main junit runner137                 * delegator.138                 */139                List<Integer> testList = testAtDelegateMapper.get(currentDelegateIndex);140                if (testList == null) {141                    testList = new LinkedList<Integer>();142                    testAtDelegateMapper.put(currentDelegateIndex, testList);143                }144                145                testList.add(currentTestIndex);146            }147        }148    }149    150    private ClassLoader createClassLoaderForMethod(final Class<?> testClass, final Method method) {151        152        final MockTransformer extraMockTransformer;153        if (null == testMethodAnnotation()) {154            extraMockTransformer = null;155        } else {156            extraMockTransformer = TestClassTransformerBuilder.forTestClass(testClass)157                                                              .bytecodeFrameworkClue(method)158                                                              .removesTestMethodAnnotation(testMethodAnnotation())159                                                              .fromAllMethodsExcept(method);160        }161        162        final MockClassLoaderFactory classLoaderFactory = new MockClassLoaderFactory(testClass);163        return classLoaderFactory.createForMethod(method, extraMockTransformer);164    }165    166    protected Class<? extends Annotation> testMethodAnnotation() {167        return null;168    }169    170    private void initEntries(List<TestCaseEntry> entries) {...

Source:TestClassTransformerBuilder.java

...5import org.powermock.core.transformers.javassist.testclass.FromAllMethodsExceptJavaAssistTestClassTransformer;6import java.lang.annotation.Annotation;7import java.lang.reflect.Method;8import java.util.Collection;9public class TestClassTransformerBuilder {10    11    public static TestClassTransformerBuilder forTestClass(final Class<?> testClass) {12        return new TestClassTransformerBuilder(testClass);13    }14    15    private final Class<?> testClass;16    17    private TestClassTransformerBuilder(final Class<?> testClass) {18        this.testClass = testClass;19    }20    21    public RemovesTestMethodAnnotation removesTestMethodAnnotation(final Class<? extends Annotation> testMethodAnnotation) {22        return new RemovesTestMethodAnnotation(testClass, testMethodAnnotation, ByteCodeFramework.getByteCodeFrameworkForTestClass(testClass));23    }24    25    public TestClassTransformerBuilderWithClue bytecodeFrameworkClue(final Method method) {26        return new TestClassTransformerBuilderWithClue(testClass, method);27    }28    29    public static class TestClassTransformerBuilderWithClue {30        31        private final Class<?> testClass;32        private final Method method;33        34        private TestClassTransformerBuilderWithClue(final Class<?> testClass, final Method method) {35            this.testClass = testClass;36            this.method = method;37        }38        39        public RemovesTestMethodAnnotation removesTestMethodAnnotation(final Class<? extends Annotation> testMethodAnnotation) {40            return new RemovesTestMethodAnnotation(testClass, testMethodAnnotation, ByteCodeFramework.getByteCodeFrameworkForMethod(testClass, method));41        }42    }43    44    public static class RemovesTestMethodAnnotation {45        private final Class<? extends Annotation> testMethodAnnotation;46        private final Class<?> testClass;47        private final ByteCodeFramework byteCodeFramework;48        ...

TestClassTransformerBuilder

Using AI Code Generation

1package org.powermock.core.transformers.test;2import org.powermock.core.transformers.ClassWrapper;3import org.powermock.core.transformers.MockTransformer;4import org.powermock.core.transformers.MockTransformerChain;5import org.powermock.core.transformers.MockTransformerFactory;6import org.powermock.core.transformers.TestClassTransformerBuilder;7public class TestClassTransformerBuilderTest {8    public static void main(String[] args) {9        MockTransformer mockTransformer = new MockTransformer() {10            public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,11                    byte[] classfileBuffer, ClassWrapper classWrapper) throws Exception {12                System.out.println("MockTransformer");13                return classfileBuffer;14            }15        };16        MockTransformerFactory mockTransformerFactory = new MockTransformerFactory() {17            public MockTransformer create(ClassLoader loader, String className, Class<?> classBeingRedefined,18                    byte[] classfileBuffer, ClassWrapper classWrapper) throws Exception {19                System.out.println("MockTransformerFactory");20                return mockTransformer;21            }22        };23        MockTransformerChain mockTransformerChain = new MockTransformerChain();24        mockTransformerChain.add(mockTransformerFactory);25        TestClassTransformerBuilder builder = new TestClassTransformerBuilder();26        builder.setMockTransformerChain(mockTransforme

TestClassTransformerBuilder

Using AI Code Generation

1package org.powermock.core.transformers;2import java.io.IOException;3import java.lang.instrument.IllegalClassFormatException;4import java.security.ProtectionDomain;5import org.powermock.core.transformers.impl.TestClassTransformerBuilder;6public class TestClassTransformer extends AbstractTestTransformer {7    private final TestClassTransformerBuilder builder;8    public TestClassTransformer() {9        builder = new TestClassTransformerBuilder();10    }11    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,12            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {13        try {14            return builder.transform(loader, className, classBeingRedefined, protectionDomain, classfileBuffer);15        } catch (IOException e) {16            throw new IllegalClassFormatException(e.getMessage());17        }18    }19}20package org.powermock.core.transformers;21import java.lang.instrument.Instrumentation;22public class JavaAgent {23    public static void premain(String agentArgs, Instrumentation inst) {24        inst.addTransformer(new TestClassTransformer());25    }26}27package org.powermock.core.transformers;28import java.lang.instrument.Instrumentation;29public class JavaAgent {30    public static void premain(String agentArgs, Instrumentation inst) {31        inst.addTransformer(new TestClassTransformer());32    }33}34package org.powermock.core.transformers;35import java.lang.instrument.Instrumentation;36public class JavaAgent {37    public static void premain(String agentArgs, Instrumentation inst) {38        inst.addTransformer(new TestClassTransformer());39    }40}41package org.powermock.core.transformers;42import java.lang.instrument.Instrumentation;43public class JavaAgent {44    public static void premain(String agentArgs, Instrumentation inst) {45        inst.addTransformer(new TestClassTransformer());46    }47}48package org.powermock.core.transformers;49import java.lang.instrument.Instrumentation;50public class JavaAgent {

TestClassTransformerBuilder

Using AI Code Generation

1package org.powermock.core.transformers;2import java.io.File;3import java.io.IOException;4import java.lang.reflect.Constructor;5import java.lang.reflect.InvocationTargetException;6import java.util.ArrayList;7import java.util.List;8import org.powermock.core.classloader.MockClassLoader;9import org.powermock.core.transformers.impl.MockTransformer;10import org.powermock.core.transformers.impl.MockTransformerChain;11import com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl;12public class TestClassTransformerBuilder {13	private final List<MockTransformer> transformers = new ArrayList<MockTransformer>();14	private final List<Class<?>[]> constructorParameters = new ArrayList<Class<?>[]>();15	private final List<Object[]> constructorArguments = new ArrayList<Object[]>();16	private final List<String> transformerNames = new ArrayList<String>();17	private final List<String> transformerDescriptions = new ArrayList<String>();18	private final List<Integer> transformerPriorities = new ArrayList<Integer>();19	private final List<ClassLoader> classLoaders = new ArrayList<ClassLoader>();20	private final List<Class<?>> transformerClasses = new ArrayList<Class<?>>();21	private final List<Class<?>> transformerInterfaces = new ArrayList<Class<?>>();22	private final List<Class<?>> transformerSuperClasses = new ArrayList<Class<?>>();23	private final List<Class<?>[]> transformerInterfacesToImplement = new ArrayList<Class<?>[]>();24	private final List<Class<?>[]> transformerSuperClassesToImplement = new ArrayList<Class<?>[]>();25	private final List<Class<?>[]> transformerInterfacesToImplementForConstructors = new ArrayList<Class<?>[]>();26	private final List<Class<?>[]> transformerSuperClassesToImplementForConstructors = new ArrayList<Class<?>[]>();27	private final List<String> transformerClassFileNames = new ArrayList<String>();28	private final List<File> transformerClassFiles = new ArrayList<File>();29	private final List<String> transformerClassFileNamesForConstructors = new ArrayList<String>();30	private final List<File> transformerClassFilesForConstructors = new ArrayList<File>();31	private final List<Transformer> transformerInstances = new ArrayList<Transformer>();32	private final List<Transformer> transformerInstancesForConstructors = new ArrayList<Transformer>();33	private final List<String> transformerClassNames = new ArrayList<String>();34	private final List<String> transformerClassNamesForConstructors = new ArrayList<String>();35	private final List<Class<?>> transformerClassesForConstructors = new ArrayList<Class<?>>();36	private final List<Class<?>> transformerInterfacesForConstructors = new ArrayList<Class<?>>();37	private final List<Class<?>> transformerSuperClassesForConstructors = new ArrayList<Class<?>>();

TestClassTransformerBuilder

Using AI Code Generation

1import org.powermock.core.transformers.*;2import org.powermock.core.transformers.impl.*;3import org.powermock.core.transformers.impl.*;4import java.util.*;5import java.io.*;6import java.lang.reflect.*;7import java.lang.instrument.*;8import java.security.*;9import java.security.ProtectionDomain;10public class TestClassTransformerBuilder{11public static void main(String[] args) throws Exception{

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.