How to use JavaEightUtil method of org.mockito.internal.util.JavaEightUtil class

Best Mockito code snippet using org.mockito.internal.util.JavaEightUtil.JavaEightUtil

Source:ReturnsEmptyValues.java Github

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...6import static org.mockito.internal.util.ObjectMethodsGuru.isCompareToMethod;7import static org.mockito.internal.util.ObjectMethodsGuru.isToStringMethod;8import java.io.Serializable;9import java.util.*;10import org.mockito.internal.util.JavaEightUtil;11import org.mockito.internal.util.MockUtil;12import org.mockito.internal.util.Primitives;13import org.mockito.invocation.InvocationOnMock;14import org.mockito.mock.MockName;15import org.mockito.stubbing.Answer;16/**17 * Default answer of every Mockito mock.18 * <ul>19 * <li>20 * Returns appropriate primitive for primitive-returning methods21 * </li>22 * <li>23 * Returns consistent values for primitive wrapper classes (e.g. int-returning method returns 0 <b>and</b> Integer-returning method returns 0, too)24 * </li>25 * <li>26 * Returns empty collection for collection-returning methods (works for most commonly used collection types)27 * </li>28 * <li>29 * Returns description of mock for toString() method30 * </li>31 * <li>32 * Returns zero if references are equals otherwise non-zero for Comparable#compareTo(T other) method (see issue 184)33 * </li>34 * <li>35 * Returns an {@code java.util.Optional#empty() empty Optional} for Optional. Similarly for primitive optional variants.36 * </li>37 * <li>38 * Returns an {@code java.util.stream.Stream#empty() empty Stream} for Stream. Similarly for primitive stream variants.39 * </li>40 * <li>41 * Returns an {@code java.time.Duration.ZERO zero Duration} for empty Duration and {@code java.time.Period.ZERO zero Period} for empty Period.42 * </li>43 * <li>44 * Returns null for everything else45 * </li>46 * </ul>47 */48public class ReturnsEmptyValues implements Answer<Object>, Serializable {49 private static final long serialVersionUID = 1998191268711234347L;50 /* (non-Javadoc)51 * @see org.mockito.stubbing.Answer#answer(org.mockito.invocation.InvocationOnMock)52 */53 public Object answer(InvocationOnMock invocation) {54 if (isToStringMethod(invocation.getMethod())) {55 Object mock = invocation.getMock();56 MockName name = MockUtil.getMockName(mock);57 if (name.isDefault()) {58 return "Mock for "59 + MockUtil.getMockSettings(mock).getTypeToMock().getSimpleName()60 + ", hashCode: "61 + mock.hashCode();62 } else {63 return name.toString();64 }65 } else if (isCompareToMethod(invocation.getMethod())) {66 // see issue 184.67 // mocks by default should return 0 if references are the same, otherwise some other68 // value because they are not the same. Hence we return 1 (anything but 0 is good).69 // Only for compareTo() method by the Comparable interface70 return invocation.getMock() == invocation.getArgument(0) ? 0 : 1;71 }72 Class<?> returnType = invocation.getMethod().getReturnType();73 return returnValueFor(returnType);74 }75 Object returnValueFor(Class<?> type) {76 if (Primitives.isPrimitiveOrWrapper(type)) {77 return Primitives.defaultValue(type);78 // new instances are used instead of Collections.emptyList(), etc.79 // to avoid UnsupportedOperationException if code under test modifies returned80 // collection81 } else if (type == Iterable.class) {82 return new ArrayList<Object>(0);83 } else if (type == Collection.class) {84 return new LinkedList<Object>();85 } else if (type == Set.class) {86 return new HashSet<Object>();87 } else if (type == HashSet.class) {88 return new HashSet<Object>();89 } else if (type == SortedSet.class) {90 return new TreeSet<Object>();91 } else if (type == TreeSet.class) {92 return new TreeSet<Object>();93 } else if (type == LinkedHashSet.class) {94 return new LinkedHashSet<Object>();95 } else if (type == List.class) {96 return new LinkedList<Object>();97 } else if (type == LinkedList.class) {98 return new LinkedList<Object>();99 } else if (type == ArrayList.class) {100 return new ArrayList<Object>();101 } else if (type == Map.class) {102 return new HashMap<Object, Object>();103 } else if (type == HashMap.class) {104 return new HashMap<Object, Object>();105 } else if (type == SortedMap.class) {106 return new TreeMap<Object, Object>();107 } else if (type == TreeMap.class) {108 return new TreeMap<Object, Object>();109 } else if (type == LinkedHashMap.class) {110 return new LinkedHashMap<Object, Object>();111 } else if ("java.util.Optional".equals(type.getName())) {112 return JavaEightUtil.emptyOptional();113 } else if ("java.util.OptionalDouble".equals(type.getName())) {114 return JavaEightUtil.emptyOptionalDouble();115 } else if ("java.util.OptionalInt".equals(type.getName())) {116 return JavaEightUtil.emptyOptionalInt();117 } else if ("java.util.OptionalLong".equals(type.getName())) {118 return JavaEightUtil.emptyOptionalLong();119 } else if ("java.util.stream.Stream".equals(type.getName())) {120 return JavaEightUtil.emptyStream();121 } else if ("java.util.stream.DoubleStream".equals(type.getName())) {122 return JavaEightUtil.emptyDoubleStream();123 } else if ("java.util.stream.IntStream".equals(type.getName())) {124 return JavaEightUtil.emptyIntStream();125 } else if ("java.util.stream.LongStream".equals(type.getName())) {126 return JavaEightUtil.emptyLongStream();127 } else if ("java.time.Duration".equals(type.getName())) {128 return JavaEightUtil.emptyDuration();129 } else if ("java.time.Period".equals(type.getName())) {130 return JavaEightUtil.emptyPeriod();131 }132 // Let's not care about the rest of collections.133 return null;134 }135}...

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Source:MutinyAnswer.java Github

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...18import java.util.SortedSet;19import java.util.TreeMap;20import java.util.TreeSet;21import org.mockito.internal.stubbing.defaultanswers.ReturnsEmptyValues;22import org.mockito.internal.util.JavaEightUtil;23import org.mockito.internal.util.Primitives;24import org.mockito.invocation.InvocationOnMock;25import io.smallrye.mutiny.Multi;26import io.smallrye.mutiny.Uni;27@SuppressWarnings("serial")28public class MutinyAnswer extends ReturnsEmptyValues {29 @Override30 public Object answer(InvocationOnMock inv) {31 if (isToStringMethod(inv.getMethod())32 || isCompareToMethod(inv.getMethod())) {33 return super.answer(inv);34 }35 Class<?> returnType = inv.getMethod().getReturnType();36 // save the user some time figuring out this issue when it happens37 if ((returnType.getName().equals(Multi.class.getName()) && returnType != Multi.class)38 || (returnType.getName().equals(Uni.class.getName()) && returnType != Uni.class)) {39 throw new IllegalStateException("Class loader issue: we have two Multi classes with different class loaders. "40 + "Make sure to initialize this class with the QuarkusClassLoader.");41 }42 if (returnType == Multi.class) {43 return Multi.createFrom().item(returnValueForMutiny(inv.getMethod().getGenericReturnType()));44 } else if (returnType == Uni.class) {45 return Uni.createFrom().item(returnValueForMutiny(inv.getMethod().getGenericReturnType()));46 }47 return returnValueForClass(returnType);48 }49 private Object returnValueForMutiny(Type uniOrMultiType) {50 // check for raw types51 if (uniOrMultiType instanceof Class)52 return returnValueForClass(Object.class);53 Type ret = ((ParameterizedType) uniOrMultiType).getActualTypeArguments()[0];54 return returnValueForType(ret);55 }56 private Object returnValueForType(Type type) {57 if (type instanceof Class)58 return returnValueForClass((Class<?>) type);59 if (type instanceof ParameterizedType)60 return returnValueForClass((Class<?>) ((ParameterizedType) type).getRawType());61 if (type instanceof TypeVariable) {62 TypeVariable<?> tv = (TypeVariable<?>) type;63 // default upper bound is Object so we always have a value64 return returnValueForType(tv.getBounds()[0]);65 }66 return returnValueForClass(Object.class);67 }68 // copied from supertype due to access restriction :(69 Object returnValueForClass(Class<?> type) {70 if (Primitives.isPrimitiveOrWrapper(type)) {71 return Primitives.defaultValue(type);72 //new instances are used instead of Collections.emptyList(), etc.73 //to avoid UnsupportedOperationException if code under test modifies returned collection74 } else if (type == Iterable.class) {75 return new ArrayList<Object>(0);76 } else if (type == Collection.class) {77 return new LinkedList<Object>();78 } else if (type == Set.class) {79 return new HashSet<Object>();80 } else if (type == HashSet.class) {81 return new HashSet<Object>();82 } else if (type == SortedSet.class) {83 return new TreeSet<Object>();84 } else if (type == TreeSet.class) {85 return new TreeSet<Object>();86 } else if (type == LinkedHashSet.class) {87 return new LinkedHashSet<Object>();88 } else if (type == List.class) {89 return new LinkedList<Object>();90 } else if (type == LinkedList.class) {91 return new LinkedList<Object>();92 } else if (type == ArrayList.class) {93 return new ArrayList<Object>();94 } else if (type == Map.class) {95 return new HashMap<Object, Object>();96 } else if (type == HashMap.class) {97 return new HashMap<Object, Object>();98 } else if (type == SortedMap.class) {99 return new TreeMap<Object, Object>();100 } else if (type == TreeMap.class) {101 return new TreeMap<Object, Object>();102 } else if (type == LinkedHashMap.class) {103 return new LinkedHashMap<Object, Object>();104 } else if ("java.util.Optional".equals(type.getName())) {105 return JavaEightUtil.emptyOptional();106 } else if ("java.util.OptionalDouble".equals(type.getName())) {107 return JavaEightUtil.emptyOptionalDouble();108 } else if ("java.util.OptionalInt".equals(type.getName())) {109 return JavaEightUtil.emptyOptionalInt();110 } else if ("java.util.OptionalLong".equals(type.getName())) {111 return JavaEightUtil.emptyOptionalLong();112 } else if ("java.util.stream.Stream".equals(type.getName())) {113 return JavaEightUtil.emptyStream();114 } else if ("java.util.stream.DoubleStream".equals(type.getName())) {115 return JavaEightUtil.emptyDoubleStream();116 } else if ("java.util.stream.IntStream".equals(type.getName())) {117 return JavaEightUtil.emptyIntStream();118 } else if ("java.util.stream.LongStream".equals(type.getName())) {119 return JavaEightUtil.emptyLongStream();120 }121 //Let's not care about the rest of collections.122 return null;123 }124}...

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JavaEightUtil

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1JavaEightUtil.isOptionalPresent(Optional.of("abc"));2JavaEightUtil.isOptionalPresent(Optional.empty());3JavaEightUtil.isOptionalPresent(Optional.ofNullable(null));4JavaEightUtil.isOptionalPresent(Optional.ofNullable("abc"));5JavaEightUtil.isOptionalPresent(null);6JavaEightUtil.isOptionalPresent("abc");7JavaEightUtil.isOptionalPresent(Optional.of("abc"));8JavaEightUtil.isOptionalPresent(Optional.empty());9JavaEightUtil.isOptionalPresent(Optional.ofNullable(null));10JavaEightUtil.isOptionalPresent(Optional.ofNullable("abc"));11JavaEightUtil.isOptionalPresent(null);12JavaEightUtil.isOptionalPresent("abc");13JavaEightUtil.isOptionalPresent(Optional.of("abc"));14JavaEightUtil.isOptionalPresent(Optional.empty());15JavaEightUtil.isOptionalPresent(Optional.ofNullable(null));

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JavaEightUtil

Using AI Code Generation

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1package org.mockito.internal.util;2import java.util.function.Supplier;3public class JavaEightUtil {4 public static <T> T orElseGet(Supplier<T> supplier, T defaultValue) {5 return defaultValue;6 }7}8package org.mockito.internal.util;9import java.util.function.Supplier;10public class JavaEightUtil {11 public static <T> T orElseGet(Supplier<T> supplier, T defaultValue) {12 return supplier.get();13 }14}15package org.mockito.internal.util;16import java.util.function.Supplier;17public class JavaEightUtil {18 public static <T> T orElseGet(Supplier<T> supplier, T defaultValue) {19 return supplier.get();20 }21}22package org.mockito.internal.util;23import java.util.function.Supplier;24public class JavaEightUtil {25 public static <T> T orElseGet(Supplier<T> supplier, T defaultValue) {26 return supplier.get();27 }28}29package org.mockito.internal.util;30import java.util.function.Supplier;31public class JavaEightUtil {32 public static <T> T orElseGet(Supplier<T> supplier, T defaultValue) {33 return supplier.get();34 }35}36package org.mockito.internal.util;37import java.util.function.Supplier;38public class JavaEightUtil {39 public static <T> T orElseGet(Supplier<T> supplier, T defaultValue) {40 return supplier.get();41 }42}43package org.mockito.internal.util;44import java.util.function.Supplier;45public class JavaEightUtil {46 public static <T> T orElseGet(Supplier<T> supplier, T defaultValue) {47 return supplier.get();48 }49}50package org.mockito.internal.util;51import java.util.function.Supplier;52public class JavaEightUtil {53 public static <T> T orElseGet(Supplier<T> supplier, T defaultValue) {54 return supplier.get();55 }56}57package org.mockito.internal.util;58import java.util.function.Supplier;59public class JavaEightUtil {60 public static <T> T orElseGet(Supplier<T> supplier, T defaultValue) {61 return supplier.get();62 }63}64package org.mockito.internal.util;65import java.util.function.Supplier;

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JavaEightUtil

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1package org.mockito;2import org.mockito.internal.util.JavaEightUtil;3public class JavaEightUtilTest {4 public static void main(String[] args) {5 JavaEightUtil.isJavaEightOrHigher();6 }7}

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JavaEightUtil

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1import org.mockito.internal.util.JavaEightUtil;2class Test {3 public static void main(String[] args) {4 System.out.println("Is Java8 or later? " + JavaEightUtil.isJava8OrLater());5 System.out.println("Is Java8 or later? " + JavaEightUtil.isJava8OrLater());6 }7}

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JavaEightUtil

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1package org.mockito.internal.util;2import java.lang.reflect.Method;3import java.util.concurrent.Callable;4import java.util.concurrent.ExecutionException;5import java.util.concurrent.FutureTask;6public class JavaEightUtil {7 private static final boolean IS_JAVA_8;8 static {9 IS_JAVA_8 = isJava8();10 }11 public static boolean isJava8() {12 try {13 Class<?> javaUtilOptionalClass = Class.forName("java.util.Optional");14 Method ofNullableMethod = javaUtilOptionalClass.getMethod("ofNullable", Object.class);15 FutureTask<Boolean> futureTask = new FutureTask<Boolean>(new Callable<Boolean>() {16 public Boolean call() throws Exception {17 return ofNullableMethod != null;18 }19 });20 new Thread(futureTask).start();21 return futureTask.get();22 } catch (ClassNotFoundException e) {23 return false;24 } catch (NoSuchMethodException e) {25 return false;26 } catch (InterruptedException e) {27 return false;28 } catch (ExecutionException e) {29 return false;30 }31 }32 public static boolean isJava8OrHigher() {33 return IS_JAVA_8;34 }35}36package org.mockito.internal.util;37import java.util.Optional;38import java.util.function.Consumer;39import java.util.function.Function;40import java.util.function.Predicate;41import java.util.function.Supplier;42public class JavaEightUtil {43 private static final boolean IS_JAVA_8;44 static {45 IS_JAVA_8 = isJava8();46 }47 public static boolean isJava8() {48 try {49 Class<?> javaUtilOptionalClass = Class.forName("java.util.Optional");50 Method ofNullableMethod = javaUtilOptionalClass.getMethod("ofNullable", Object.class);51 FutureTask<Boolean> futureTask = new FutureTask<Boolean>(new Callable<Boolean>() {52 public Boolean call() throws Exception {53 return ofNullableMethod != null;54 }55 });56 new Thread(futureTask).start();57 return futureTask.get();58 } catch (ClassNotFoundException e) {59 return false;60 } catch (NoSuchMethodException e) {61 return false;62 } catch (InterruptedException e) {63 return false;64 } catch (ExecutionException e) {65 return false;66 }67 }68 public static boolean isJava8OrHigher() {

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