How to use transform method of org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator class

Best Mockito code snippet using org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator.transform

Source:InlineBytecodeGenerator.java

...77                || features.serializableMode != SerializableMode.NONE78                || Modifier.isAbstract(features.mockedType.getModifiers());79        checkSupportedCombination(subclassingRequired, features);80        synchronized (this) {81            triggerRetransformation(features);82        }83        return subclassingRequired ?84                subclassEngine.mockClass(features) :85                features.mockedType;86    }87    private <T> void triggerRetransformation(MockFeatures<T> features) {88        Set<Class<?>> types = new HashSet<Class<?>>();89        Class<?> type = features.mockedType;90        do {91            if (mocked.add(type)) {92                types.add(type);93                addInterfaces(types, type.getInterfaces());94            }95            type = type.getSuperclass();96        } while (type != null);97        if (!types.isEmpty()) {98            try {99                instrumentation.retransformClasses(types.toArray(new Class<?>[types.size()]));100                Throwable throwable = lastException;101                if (throwable != null) {102                    throw new IllegalStateException(join("Byte Buddy could not instrument all classes within the mock's type hierarchy",103                        "",104                        "This problem should never occur for javac-compiled classes. This problem has been observed for classes that are:",105                        " - Compiled by older versions of scalac",106                        " - Classes that are part of the Android distribution"), throwable);107                }108            } catch (Exception exception) {109                for (Class<?> failed : types) {110                    mocked.remove(failed);111                }112                throw new MockitoException("Could not modify all classes " + types, exception);113            } finally {114                lastException = null;115            }116        }117    }118    private <T> void checkSupportedCombination(boolean subclassingRequired, MockFeatures<T> features) {119        if (subclassingRequired120                && !features.mockedType.isArray()121                && !features.mockedType.isPrimitive()122                && Modifier.isFinal(features.mockedType.getModifiers())) {123            throw new MockitoException("Unsupported settings with this type '" + features.mockedType.getName() + "'");124        }125    }126    private void addInterfaces(Set<Class<?>> types, Class<?>[] interfaces) {127        for (Class<?> type : interfaces) {128            if (mocked.add(type)) {129                types.add(type);130                addInterfaces(types, type.getInterfaces());131            }132        }133    }134    @Override135    public byte[] transform(ClassLoader loader,136                            String className,137                            Class<?> classBeingRedefined,138                            ProtectionDomain protectionDomain,139                            byte[] classfileBuffer) throws IllegalClassFormatException {140        if (classBeingRedefined == null141                || !mocked.contains(classBeingRedefined)142                || EXCLUDES.contains(classBeingRedefined)) {143            return null;144        } else {145            try {146                return byteBuddy.redefine(classBeingRedefined, ClassFileLocator.Simple.of(classBeingRedefined.getName(), classfileBuffer))147                        // Note: The VM erases parameter meta data from the provided class file (bug). We just add this information manually.148                        .visit(new ParameterWritingVisitorWrapper(classBeingRedefined))149                        .visit(Advice.withCustomMapping()...

transform

Using AI Code Generation

1import com.google.common.collect.ImmutableMap;2import com.google.common.collect.ImmutableSet;3import com.google.common.collect.ImmutableSortedMap;4import com.google.common.collect.ImmutableSortedSet;5import com.google.common.collect.Maps;6import com.google.common.collect.Sets;7import com.google.common.collect.SortedMapDifference;8import com.google.common.collect.SortedMapDifference.ValueDifference;9import com.google.common.collect.TreeMultimap;10import com.google.common.reflect.TypeToken;11import com.google.common.util.concurrent.AtomicDouble;12import com.google.common.util.concurrent.AtomicLongMap;13import com.google.common.util.concurrent.RateLimiter;14import com.google.common.util.concurrent.Service;15import com.google.common.util.concurrent.ServiceManager;16import com.google.common.util.concurrent.Striped;17import java.util.ArrayList;18import java.util.Collection;19import java.util.Collections;20import java.util.Comparator;21import java.util.EnumMap;22import java.util.EnumSet;23import java.util.HashMap;24import java.util.HashSet;25import java.util.IdentityHashMap;26import java.util.Iterator;27import java.util.LinkedHashMap;28import java.util.LinkedHashSet;29import java.util.LinkedList;30import java.util.List;31import java.util.Map;32import java.util.NavigableMap;33import java.util.NavigableSet;34import java.util.Optional;35import java.util.OptionalDouble;36import java.util.OptionalInt;37import java.util.OptionalLong;38import java.util.PriorityQueue;39import java.util.Queue;40import java.util.Set;41import java.util.SortedMap;42import java.util.SortedSet;43import java.util.TreeMap;44import java.util.TreeSet;45import java.util.UUID;46import java.util.WeakHashMap;47import java.util.concurrent.ConcurrentHashMap;48import java.util.concurrent.ConcurrentMap;49import java.util.concurrent.ConcurrentNavigableMap;50import java.util.concurrent.ConcurrentSkipListMap;51import java.util.concurrent.CopyOnWriteArrayList;52import java.util.concurrent.CopyOnWriteArraySet;53import java.util.concurrent.atomic.AtomicBoolean;54import java.util.concurrent.atomic.AtomicInteger;55import java.util.concurrent.atomic.AtomicIntegerArray;56import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;57import java.util.concurrent.atomic.AtomicLong;58import java.util.concurrent.atomic.AtomicLongArray;59import java.util.concurrent.atomic.AtomicMarkableReference;60import java.util.concurrent.atomic.AtomicReference;61import java.util.concurrent.atomic.AtomicReferenceArray;62import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;63import java.util.concurrent.atomic.AtomicStampedReference;64import java.util.stream.Collector;65import java.util.stream.Collectors;66import java.util.stream.Stream;67import javax.annotation.Nullable;68import net.bytebuddy.ByteB

transform

Using AI Code Generation

1import net.bytebuddy.ByteBuddy;2import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;3import net.bytebuddy.implementation.MethodDelegation;4import net.bytebuddy.matcher.ElementMatchers;5import org.junit.Test;6import java.lang.reflect.Method;7import static org.junit.Assert.assertEquals;8public class InlineBytecodeGeneratorTest {9    public void testTransform() throws Exception {10        Class<?> dynamicType = new ByteBuddy()11                .subclass(String.class)12                .method(ElementMatchers.named("toUpperCase"))13                .intercept(MethodDelegation.to(InlineBytecodeGeneratorTest.class))14                .make()15                .load(InlineBytecodeGeneratorTest.class.getClassLoader(),16                .getLoaded();17        Method toUpperCase = dynamicType.getMethod("toUpperCase");18        assertEquals("HELLO WORLD", toUpperCase.invoke("Hello World"));19    }20    public static String toUpperCase(String str) {21        return str.toUpperCase();22    }23}24OK (1 test)

transform

Using AI Code Generation

1private Foo foo;2private Bar bar;3private final Map<Class<?>, Object> mocks = new HashMap<>();4public void setUp() {5    MockitoAnnotations.initMocks(this);6    mocks.put(Foo.class, foo);7    mocks.put(Bar.class, bar);8}9public void test() {10    assertEquals(2, mocks.size());11}12private Foo foo;13private Bar bar;14private final Map<Class<?>, Object> mocks = new HashMap<>();15public void setUp() {16    MockitoAnnotations.initMocks(this);17    mocks.put(Foo.class, foo);18    mocks.put(Bar.class, bar);19    assertEquals(2, mocks.size());20}21public void test() {22    assertEquals(2, mocks.size());23}

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