How to use imposterise method of org.jmock.imposters.ByteBuddyClassImposteriser class

Best Jmock-library code snippet using org.jmock.imposters.ByteBuddyClassImposteriser.imposterise

Source:BaseCachedJMockTestCase.java Github

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...26abstract public class BaseCachedJMockTestCase extends TestCase {27 protected final Mockery context;28 {29 // use an initializer rather than setUp so forgetting to30 // call super.setUp won't use the wrong imposteriser31 context = new Mockery();32 context.setThreadingPolicy(new Synchroniser());33 context.setImposteriser(CachingImposteriser.INSTANCE);34 new Mockomatic(context).fillIn(this);35 }36 public <T> T mock(Class<T> tClass) {37 return context.mock(tClass);38 }39 public <T> T mock(Class<T> tClass, String s) {40 return context.mock(tClass, s);41 }42 public States states(String s) {43 return context.states(s);44 }45 public Sequence sequence(String s) {46 return context.sequence(s);47 }48 public void checking(ExpectationBuilder expectationBuilder) {49 context.checking(expectationBuilder);50 }51 public void assertIsSatisfied() {52 context.assertIsSatisfied();53 }54 @Override55 protected void tearDown() throws Exception {56 context.assertIsSatisfied();57 super.tearDown();58 }59 public static class Expectations extends org.jmock.Expectations {60 public static <T> Matcher<T> some(Class<T> type) {61 return CoreMatchers.instanceOf(type);62 }63 public static <T> Matcher<T> any(Class<T> type) {64 return CoreMatchers.anyOf(CoreMatchers.instanceOf(type), CoreMatchers.nullValue(type));65 }66 private static AtomicInteger willDoCounter = new AtomicInteger(0);67 public void willDo(final Function.Nullary<Object> proc) {68 this.currentBuilder().setAction(run(proc));69 }70 public static CustomAction run(final Function.Nullary<Object> proc) {71 return new CustomAction("willDo_" + willDoCounter.incrementAndGet()) {72 @Override73 public Object invoke(Invocation invocation) throws Throwable {74 return proc.call();75 }76 };77 }78 public void willDo(final Function.Unary<Object, Invocation> proc) {79 this.currentBuilder().setAction(run(proc));80 }81 public static CustomAction run(final Function.Unary<Object, Invocation> proc) {82 return new CustomAction("willDo_" + willDoCounter.incrementAndGet()) {83 @Override84 public Object invoke(Invocation invocation) throws Throwable {85 return proc.call(invocation);86 }87 };88 }89 }90 // ----------------------------------------------------------------91 public static class CachingImposteriser implements Imposteriser {92 public static final BaseCachedJMockTestCase.CachingImposteriser INSTANCE = new CachingImposteriser();93 private final static Class[] CONSTRUCTOR_PARAMS = {InvocationHandler.class};94 private static Map<ProxyInfo, Function.Unary<?, Invokable>> proxyInfoToConstructorMap = new HashMap<>();95 // ----------------------------------------------------------------96 @Override // from Imposteriser97 public boolean canImposterise(Class<?> type) {98 return ByteBuddyClassImposteriser.INSTANCE.canImposterise(type);99 }100 // ----------------------------------------------------------------101 @Override // from Imposteriser102 public <T> T imposterise(final Invokable mockObject, Class<T> mockedType, Class<?>... ancillaryTypes) {103 ProxyInfo proxyInfo = new ProxyInfo(mockedType, ancillaryTypes);104 Function.Unary<?, Invokable> constructor = proxyInfoToConstructorMap.get(proxyInfo);105 if (null == constructor) {106 constructor = createConstructor(proxyInfo);107 proxyInfoToConstructorMap.put(proxyInfo, constructor);108 }109 // noinspection unchecked110 return (T) constructor.call(mockObject);111 }112 // ----------------------------------------------------------------113 private Function.Unary<?, Invokable> createConstructor(ProxyInfo proxyInfo) {114 if (proxyInfo.mockedType.isInterface()) {115 return createInterfaceConstructor(proxyInfo);116 } else {117 return createClassConstructor(proxyInfo);118 }119 }120 // ----------------------------------------------------------------121 /** Based on {@link org.jmock.lib.JavaReflectionImposteriser}. */122 private Function.Unary<?, Invokable> createInterfaceConstructor(ProxyInfo proxyInfo) {123 ClassLoader proxyClassLoader = BaseCachedJMockTestCase.class.getClassLoader();124 Class proxyClass = Proxy.getProxyClass(proxyClassLoader, proxyInfo.proxiedClasses);125 final Constructor constructor;126 try {127 constructor = proxyClass.getConstructor(CONSTRUCTOR_PARAMS);128 } catch (NoSuchMethodException e) {129 throw Assert.exceptionNeverCaught(e);130 }131 return new Function.Unary<Object, Invokable>() {132 @Override133 public Object call(final Invokable invokable) {134 try {135 return constructor.newInstance(new InvocationHandler() {136 public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {137 return invokable.invoke(new Invocation(proxy, method, args));138 }139 });140 } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {141 throw Assert.exceptionNeverCaught(e);142 }143 }144 };145 }146 // ----------------------------------------------------------------147 /** Based on {@link ByteBuddyClassImposteriser}. */148 private Function.Unary<?, Invokable> createClassConstructor(final ProxyInfo proxyInfo) {149 return imposter -> ByteBuddyClassImposteriser.INSTANCE.imposterise(imposter, proxyInfo.mockedType,150 proxyInfo.ancillaryTypes);151 }152 }153 // ----------------------------------------------------------------154 private static class ProxyInfo {155 public Class[] proxiedClasses;156 public Class mockedType;157 public Class[] ancillaryTypes;158 // ----------------------------------------------------------------159 public ProxyInfo(Class<?> mockedType, Class<?>... ancillaryTypes) {160 this.mockedType = mockedType;161 this.ancillaryTypes = ancillaryTypes;162 proxiedClasses = new Class<?>[ancillaryTypes.length + 1];163 proxiedClasses[0] = mockedType;...

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Source:ByteBuddyClassImposteriser.java Github

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...29import net.bytebuddy.implementation.bind.annotation.RuntimeType;30import net.bytebuddy.implementation.bind.annotation.This;31import net.bytebuddy.matcher.ElementMatchers;32/**33 * This class lets you imposterise abstract and concrete classes34 * <em>without</em> calling the constructors of the mocked class.35 * 36 * @author olibye37 */38public class ByteBuddyClassImposteriser implements Imposteriser {39 public static final Imposteriser INSTANCE = new ByteBuddyClassImposteriser();40 private static final String JMOCK_KEY = "jMock";41 private final Objenesis objenesis = new ObjenesisStd();42 private final Map<Set<Class<?>>, Class<?>> types = new ConcurrentHashMap<Set<Class<?>>, Class<?>>();43 private ByteBuddyClassImposteriser() {44 }45 public boolean canImposterise(Class<?> type) {46 return !type.isPrimitive() &&47 !Modifier.isFinal(type.getModifiers()) &&48 (type.isInterface() || !toStringMethodIsFinal(type));49 }50 @Override51 public <T> T imposterise(final Invokable mockObject, Class<T> mockedType, Class<?>... ancilliaryTypes) {52 if (!mockedType.isInterface() && toStringMethodIsFinal(mockedType)) {53 throw new IllegalArgumentException(mockedType.getName() + " has a final toString method");54 }55 try {56 setConstructorsAccessible(mockedType, true);57 return proxy(mockObject, mockedType, ancilliaryTypes);58 } finally {59 setConstructorsAccessible(mockedType, false);60 }61 }62 private boolean toStringMethodIsFinal(Class<?> type) {63 try {64 Method toString = type.getMethod("toString");65 return Modifier.isFinal(toString.getModifiers());...

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Source:ClassImposteriser.java Github

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...14import java.lang.reflect.Method;15import java.lang.reflect.Modifier;16import java.util.List;17/**18 * This class lets you imposterise abstract and concrete classes 19 * <em>without</em> calling the constructors of the mocked class.20 * 21 * @author npryce22 * 23 * @deprecated Java11 support is weak, Migrate to org.jmock.lib.imposters.ByteBuddyClassImposteriser24 */25public class ClassImposteriser implements Imposteriser {26 public static final Imposteriser INSTANCE = new ClassImposteriser();27 28 private ClassImposteriser() {}29 private static final Method FINALIZE_METHOD = findFinalizeMethod();30 private static final NamingPolicy NAMING_POLICY_THAT_ALLOWS_IMPOSTERISATION_OF_CLASSES_IN_SIGNED_PACKAGES = new DefaultNamingPolicy() {31 @Override32 public String getClassName(String prefix, String source, Object key, Predicate names) {33 return "org.jmock.codegen." + super.getClassName(prefix, source, key, names);34 }35 };36 37 private static final CallbackFilter IGNORED_METHODS = new CallbackFilter() {38 public int accept(Method method) {39 if (method.isBridge())40 return 1;41 else if (method.equals(FINALIZE_METHOD))42 return 1;43 else44 return 0;45 }46 };47 48 private final Objenesis objenesis = new ObjenesisStd();49 50 public boolean canImposterise(Class<?> type) {51 return !type.isPrimitive() && 52 !Modifier.isFinal(type.getModifiers()) && 53 (type.isInterface() || !toStringMethodIsFinal(type));54 }55 56 @Override57 public <T> T imposterise(final Invokable mockObject, Class<T> mockedType, Class<?>... ancilliaryTypes) {58 if (!mockedType.isInterface() && toStringMethodIsFinal(mockedType)) {59 throw new IllegalArgumentException(mockedType.getName() + " has a final toString method");60 }61 62 try {63 setConstructorsAccessible(mockedType, true);64 return mockedType.cast(proxy(proxyClass(mockedType, ancilliaryTypes), mockObject));65 }66 finally {67 setConstructorsAccessible(mockedType, false);68 }69 }70 71 private boolean toStringMethodIsFinal(Class<?> type) {72 try {73 Method toString = type.getMethod("toString");74 return Modifier.isFinal(toString.getModifiers());75 76 }77 catch (SecurityException e) {78 throw new IllegalStateException("not allowed to reflect on toString method", e);79 }80 catch (NoSuchMethodException e) {81 throw new Error("no public toString method found", e);82 }83 }84 private void setConstructorsAccessible(Class<?> mockedType, boolean accessible) {85 for (Constructor<?> constructor : mockedType.getDeclaredConstructors()) {86 constructor.setAccessible(accessible);87 }88 }89 90 private Class<?> proxyClass(Class<?> possibleMockedType, Class<?>... ancilliaryTypes) {91 final Class<?> mockedType =92 possibleMockedType == Object.class ? ClassWithSuperclassToWorkAroundCglibBug.class : possibleMockedType;93 94 final Enhancer enhancer = new Enhancer() {95 @Override96 @SuppressWarnings("unchecked")97 protected void filterConstructors(Class sc, List constructors) {98 // Don't filter99 }100 };101 enhancer.setClassLoader(SearchingClassLoader.combineLoadersOf(mockedType, ancilliaryTypes));102 enhancer.setUseFactory(true);103 if (mockedType.isInterface()) {104 enhancer.setSuperclass(Object.class);105 enhancer.setInterfaces(prepend(mockedType, ancilliaryTypes));106 }107 else {108 enhancer.setSuperclass(mockedType);109 enhancer.setInterfaces(ancilliaryTypes);110 }111 enhancer.setCallbackTypes(new Class[]{InvocationHandler.class, NoOp.class});112 enhancer.setCallbackFilter(IGNORED_METHODS);113 if (protectedPackageNamespace(mockedType)) {114 enhancer.setNamingPolicy(NAMING_POLICY_THAT_ALLOWS_IMPOSTERISATION_OF_CLASSES_IN_SIGNED_PACKAGES);115 }116 117 try {118 return enhancer.createClass();119 }120 catch (CodeGenerationException e) {121 // Note: I've only been able to manually test this. It exists to help people writing122 // Eclipse plug-ins or using other environments that have sophisticated class loader123 // structures.124 throw new IllegalArgumentException("could not imposterise " + mockedType, e);125 }126 }127 128 private Object proxy(Class<?> proxyClass, final Invokable mockObject) {129 final Factory proxy = (Factory)objenesis.newInstance(proxyClass);130 proxy.setCallbacks(new Callback[] {131 new InvocationHandler() {132 public Object invoke(Object receiver, Method method, Object[] args) throws Throwable {133 return mockObject.invoke(new Invocation(receiver, method, args));134 }135 },136 NoOp.INSTANCE137 });138 return proxy;...

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imposterise

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1import org.jmock.imposters.ByteBuddyClassImposteriser;2import org.jmock.imposters.ByteBuddyImposteriser;3import org.jmock.imposters.ByteBuddyInterfaceImposteriser;4import org.jmock.imposters.Imposteriser;5import org.jmock.imposters.ByteBuddyImposteriser;6import org.jmock.imposters.ByteBuddyClassImposteriser;7import org.jmock.imposters.ByteBuddyInterfaceImposteriser;8import org.jmock.imposters.Imposteriser;9public class 1 {10 public static void main(String[] args) {11 Imposteriser imposteriser = new ByteBuddyClassImposteriser();12 System.out.println("Imposteriser is: " + imposteriser);13 }14}

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imposterise

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1import org.jmock.imposters.ByteBuddyClassImposteriser;2public class 1 {3 public static void main(String[] args) {4 ByteBuddyClassImposteriser imposteriser = new ByteBuddyClassImposteriser();5 List list = imposteriser.imposterise(new ArrayList(), List.class);6 list.add("Hello");7 System.out.println(list.get(0));8 }9}

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1package org.jmock.test.acceptance;2import org.jmock.Expectations;3import org.jmock.Mockery;4import org.jmock.api.Imposteriser;5import org.jmock.imposters.ByteBuddyClassImposteriser;6import org.jmock.test.unit.lib.legacy.ClassImposteriserTest;7import org.junit.Test;8public class ByteBuddyClassImposteriserAcceptanceTests extends ClassImposteriserTest {9 protected Imposteriser createImposteriser() {10 return new ByteBuddyClassImposteriser();11 }12}13package org.jmock.test.acceptance;14import org.jmock.Expectations;15import org.jmock.Mockery;16import org.jmock.api.Imposteriser;17import org.jmock.imposters.ByteBuddyInterfaceImposteriser;18import org.jmock.test.unit.lib.legacy.InterfaceImposteriserTest;19import org.junit.Test;20public class ByteBuddyInterfaceImposteriserAcceptanceTests extends InterfaceImposteriserTest {21 protected Imposteriser createImposteriser() {22 return new ByteBuddyInterfaceImposteriser();23 }24}25package org.jmock.test.acceptance;26import org.jmock.Expectations;27import org.jmock.Mockery;28import org.jmock.api.Imposteriser;29import org.jmock.imposters.ByteBuddyImposteriser;30import org.jmock.test.unit.lib.legacy.ImposteriserTest;31import org.junit.Test;32public class ByteBuddyImposteriserAcceptanceTests extends ImposteriserTest {33 protected Imposteriser createImposteriser() {34 return new ByteBuddyImposteriser();35 }36}37package org.jmock.test.acceptance;38import org.jmock.Expectations;39import org.jmock.Mockery;40import org.jmock.api.Imposteriser;41import org.jmock.imposters.ByteBuddyMethodImposteriser;42import org.jmock.test.unit.lib.legacy.MethodImposteriserTest;43import org.junit.Test;

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1import org.jmock.imposters.ByteBuddyClassImposteriser;2import org.jmock.imposters.ByteBuddyImposteriser;3public class ByteBuddyImposteriserTest {4 public static void main(String[] args) {5 ByteBuddyImposteriser imposteriser = new ByteBuddyClassImposteriser();6 Foo foo = imposteriser.imposterise(new Foo(), Foo.class);7 foo.doSomething();8 }9}10import org.jmock.imposters.ByteBuddyInterfaceImposteriser;11import org.jmock.imposters.ByteBuddyImposteriser;12public class ByteBuddyImposteriserTest {13 public static void main(String[] args) {14 ByteBuddyImposteriser imposteriser = new ByteBuddyInterfaceImposteriser();15 Foo foo = imposteriser.imposterise(new Foo(), Foo.class);16 foo.doSomething();17 }18}

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1import org.jmock.imposters.ByteBuddyClassImposteriser;2import org.jmock.imposters.ByteBuddyImposteriser;3import org.jmock.imposters.Imposteriser;4import org.jmock.imposters.ClassImposteriser;5public class TestImposterise {6 public static void main(String[] args) {7 Imposteriser imposteriser = new ByteBuddyClassImposteriser();8 Foo foo = imposteriser.imposterise(new Foo(), Foo.class);9 foo.doSomething();10 }11}

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1import org.jmock.imposters.ByteBuddyClassImposteriser;2import org.jmock.imposters.ByteBuddyImposteriser;3public class 1 {4 public static void main(String[] args) {5 ByteBuddyImposteriser imposteriser = new ByteBuddyImposteriser();6 Class<?> proxyClass = imposteriser.imposterise(Runnable.class, Runnable.class, ClassImposteriser.INSTANCE);7 System.out.println(proxyClass);8 }9}10import org.jmock.imposters.ByteBuddyClassImposteriser;11import org.jmock.imposters.ByteBuddyImposteriser;12public class 2 {13 public static void main(String[] args) {14 ByteBuddyImposteriser imposteriser = new ByteBuddyImposteriser();15 Class<?> proxyClass = imposteriser.imposterise(Runnable.class, Runnable.class, ClassImposteriser.INSTANCE);16 System.out.println(proxyClass);17 }18}19 at org.jmock.imposters.ByteBuddyClassImposteriser.imposterise(ByteBuddyClassImposteriser.java:32)20 at 2.main(2.java:10)

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1import org.jmock.imposters.ByteBuddyClassImposteriser;2import org.jmock.Mockery;3import org.jmock.Expectations;4public class 1 {5public static void main(String[] args) {6Mockery context = new Mockery();7context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);8final List list = context.mock(List.class);9context.checking(new Expectations() {{10oneOf (list).add("Hello");11}});12list.add("Hello");13}14}

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1import org.jmock.imposters.ByteBuddyClassImposteriser;2import org.jmock.imposters.ByteBuddyClassImposteriser;3public class 1 {4 public static void main(String[] args) {5 ClassImposteriser classImposteriser = new ByteBuddyClassImposteriser();6 }7}8import org.jmock.imposters.ByteBuddyClassImposteriser;9import org.jmock.imposters.ByteBuddyClassImposteriser;10public class 2 {11 public static void main(String[] args) {12 ClassImposteriser classImposteriser = new ByteBuddyClassImposteriser();13 }14}15import org.jmock.imposters.ByteBuddyClassImposteriser;16import org.jmock.imposters.ByteBuddyClassImposteriser;17public class 3 {18 public static void main(String[] args) {19 ClassImposteriser classImposteriser = new ByteBuddyClassImposteriser();20 }21}22import org.jmock.imposters.ByteBuddyClassImposteriser;23import org.jmock.imposters.ByteBuddyClassImposteriser;24public class 4 {25 public static void main(String[] args) {26 ClassImposteriser classImposteriser = new ByteBuddyClassImposteriser();27 }28}

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1package org.jmock.imposters;2import org.jmock.api.Imposteriser;3import org.jmock.imposters.ByteBuddyClassImposteriser;4{5 public static void main(String[] args)6 {7 Imposteriser imposteriser = new ByteBuddyClassImposteriser();8 A a = imposteriser.imposterise(new A(), A.class);9 a.method();10 }11}12{13 public void method()14 {15 System.out.println("Hello World");16 }17}

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