How to use FieldInitializationReport class of org.mockito.internal.util.reflection package

Best Mockito code snippet using org.mockito.internal.util.reflection.FieldInitializationReport

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...9import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;10import org.mockito.internal.configuration.injection.filter.NameBasedCandidateFilter;11import org.mockito.internal.configuration.injection.filter.TypeBasedCandidateFilter;12import org.mockito.internal.util.collections.ListUtil;13import org.mockito.internal.util.reflection.FieldInitializationReport;14import org.mockito.internal.util.reflection.FieldInitializer;15import org.mockito.internal.util.reflection.SuperTypesLastSorter;16import java.lang.reflect.Field;17import java.lang.reflect.InvocationTargetException;18import java.lang.reflect.Modifier;19import java.util.*;20import static org.mockito.internal.util.collections.Sets.newMockSafeHashSet;21/​**22 * Inject mocks using first setters then fields, if no setters available.23 *24 * <p>25 * <u>Algorithm :<br></​u>26 * for each field annotated by @InjectMocks27 * <ul>28 * <li>initialize field annotated by @InjectMocks29 * <li>for each fields of a class in @InjectMocks type hierarchy30 * <ul>31 * <li>make a copy of mock candidates32 * <li>order fields from sub-type to super-type, then by field name33 * <li>for the list of fields in a class try two passes of :34 * <ul>35 * <li>find mock candidate by type36 * <li>if more than <b>*one*</​b> candidate find mock candidate on name37 * <li>if one mock candidate then38 * <ul>39 * <li>set mock by property setter if possible40 * <li>else set mock by field injection41 * </​ul>42 * <li>remove mock from mocks copy (mocks are just injected once in a class)43 * <li>remove injected field from list of class fields44 * </​ul>45 * <li>else don't fail, user will then provide dependencies46 * </​ul>47 * </​ul>48 * </​p>49 *50 * <p>51 * <u>Note:</​u> If the field needing injection is not initialized, the strategy tries52 * to create one using a no-arg constructor of the field type.53 * </​p>54 */​55public class PropertyAndSetterInjection extends MockInjectionStrategy {56 private final MockCandidateFilter mockCandidateFilter = new TypeBasedCandidateFilter(new NameBasedCandidateFilter(new FinalMockCandidateFilter()));57 private final ListUtil.Filter<Field> notFinalOrStatic = new ListUtil.Filter<Field>() {58 public boolean isOut(Field object) {59 return Modifier.isFinal(object.getModifiers()) || Modifier.isStatic(object.getModifiers());60 }61 };62 public boolean processInjection(Field injectMocksField, Object injectMocksFieldOwner, Set<Object> mockCandidates) {63 /​/​ Set<Object> mocksToBeInjected = new HashSet<Object>(mockCandidates);64 FieldInitializationReport report = initializeInjectMocksField(injectMocksField, injectMocksFieldOwner);65 /​/​ for each field in the class hierarchy66 boolean injectionOccurred = false;67 Class<?> fieldClass = report.fieldClass();68 Object fieldInstanceNeedingInjection = report.fieldInstance();69 while (fieldClass != Object.class) {70 injectionOccurred |= injectMockCandidates(fieldClass, newMockSafeHashSet(mockCandidates), fieldInstanceNeedingInjection);71 fieldClass = fieldClass.getSuperclass();72 }73 return injectionOccurred;74 }75 private FieldInitializationReport initializeInjectMocksField(Field field, Object fieldOwner) {76 FieldInitializationReport report = null;77 try {78 report = new FieldInitializer(fieldOwner, field).initialize();79 } catch (MockitoException e) {80 if(e.getCause() instanceof InvocationTargetException) {81 Throwable realCause = e.getCause().getCause();82 new Reporter().fieldInitialisationThrewException(field, realCause);83 }84 new Reporter().cannotInitializeForInjectMocksAnnotation(field.getName(), e);85 }86 return report; /​/​ never null87 }88 private boolean injectMockCandidates(Class<?> awaitingInjectionClazz, Set<Object> mocks, Object instance) {89 boolean injectionOccurred = false;90 List<Field> orderedInstanceFields = orderedInstanceFieldsFrom(awaitingInjectionClazz);...

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...9import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;10import org.mockito.internal.configuration.injection.filter.NameBasedCandidateFilter;11import org.mockito.internal.configuration.injection.filter.TypeBasedCandidateFilter;12import org.mockito.internal.util.collections.ListUtil;13import org.mockito.internal.util.reflection.FieldInitializationReport;14import org.mockito.internal.util.reflection.FieldInitializer;15import org.mockito.internal.util.reflection.SuperTypesLastSorter;16import java.lang.reflect.Field;17import java.lang.reflect.InvocationTargetException;18import java.lang.reflect.Modifier;19import java.util.*;20import static org.mockito.internal.util.collections.Sets.newMockSafeHashSet;21/​**22 * Inject mocks using first setters then fields, if no setters available.23 *24 * <p>25 * <u>Algorithm :<br></​u>26 * for each field annotated by @InjectMocks27 * <ul>28 * <li>initialize field annotated by @InjectMocks29 * <li>for each fields of a class in @InjectMocks type hierarchy30 * <ul>31 * <li>make a copy of mock candidates32 * <li>order fields from sub-type to super-type, then by field name33 * <li>for the list of fields in a class try two passes of :34 * <ul>35 * <li>find mock candidate by type36 * <li>if more than <b>*one*</​b> candidate find mock candidate on name37 * <li>if one mock candidate then38 * <ul>39 * <li>set mock by property setter if possible40 * <li>else set mock by field injection41 * </​ul>42 * <li>remove mock from mocks copy (mocks are just injected once in a class)43 * <li>remove injected field from list of class fields44 * </​ul>45 * <li>else don't fail, user will then provide dependencies46 * </​ul>47 * </​ul>48 * </​p>49 *50 * <p>51 * <u>Note:</​u> If the field needing injection is not initialized, the strategy tries52 * to create one using a no-arg constructor of the field type.53 * </​p>54 */​55public class PropertyAndSetterInjection extends MockInjectionStrategy {56 private final MockCandidateFilter mockCandidateFilter = new TypeBasedCandidateFilter(new NameBasedCandidateFilter(new FinalMockCandidateFilter()));57 private final ListUtil.Filter<Field> notFinalOrStatic = new ListUtil.Filter<Field>() {58 public boolean isOut(Field object) {59 return Modifier.isFinal(object.getModifiers()) || Modifier.isStatic(object.getModifiers());60 }61 };62 public boolean processInjection(Field injectMocksField, Object injectMocksFieldOwner, Set<Object> mockCandidates) {63 /​/​ Set<Object> mocksToBeInjected = new HashSet<Object>(mockCandidates);64 FieldInitializationReport report = initializeInjectMocksField(injectMocksField, injectMocksFieldOwner);65 /​/​ for each field in the class hierarchy66 boolean injectionOccurred = false;67 Class<?> fieldClass = report.fieldClass();68 Object fieldInstanceNeedingInjection = report.fieldInstance();69 while (fieldClass != Object.class) {70 injectionOccurred |= injectMockCandidates(fieldClass, newMockSafeHashSet(mockCandidates), fieldInstanceNeedingInjection);71 fieldClass = fieldClass.getSuperclass();72 }73 return injectionOccurred;74 }75 private FieldInitializationReport initializeInjectMocksField(Field field, Object fieldOwner) {76 FieldInitializationReport report = null;77 try {78 report = new FieldInitializer(fieldOwner, field).initialize();79 } catch (MockitoException e) {80 if(e.getCause() instanceof InvocationTargetException) {81 Throwable realCause = e.getCause().getCause();82 new Reporter().fieldInitialisationThrewException(field, realCause);83 }84 new Reporter().cannotInitializeForInjectMocksAnnotation(field.getName(), e);85 }86 return report; /​/​ never null87 }88 private boolean injectMockCandidates(Class<?> awaitingInjectionClazz, Set<Object> mocks, Object instance) {89 boolean injectionOccurred = false;90 List<Field> orderedInstanceFields = orderedInstanceFieldsFrom(awaitingInjectionClazz);...

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...9import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;10import org.mockito.internal.configuration.injection.filter.NameBasedCandidateFilter;11import org.mockito.internal.configuration.injection.filter.TypeBasedCandidateFilter;12import org.mockito.internal.util.collections.ListUtil;13import org.mockito.internal.util.reflection.FieldInitializationReport;14import org.mockito.internal.util.reflection.FieldInitializer;15import org.mockito.internal.util.reflection.SuperTypesLastSorter;16import java.lang.reflect.Field;17import java.lang.reflect.InvocationTargetException;18import java.lang.reflect.Modifier;19import java.util.*;20import static org.mockito.internal.util.collections.Sets.newMockSafeHashSet;21/​**22 * Inject mocks using first setters then fields, if no setters available.23 *24 * <p>25 * <u>Algorithm :<br></​u>26 * for each field annotated by @InjectMocks27 * <ul>28 * <li>initialize field annotated by @InjectMocks29 * <li>for each fields of a class in @InjectMocks type hierarchy30 * <ul>31 * <li>make a copy of mock candidates32 * <li>order fields from sub-type to super-type, then by field name33 * <li>for the list of fields in a class try two passes of :34 * <ul>35 * <li>find mock candidate by type36 * <li>if more than <b>*one*</​b> candidate find mock candidate on name37 * <li>if one mock candidate then38 * <ul>39 * <li>set mock by property setter if possible40 * <li>else set mock by field injection41 * </​ul>42 * <li>remove mock from mocks copy (mocks are just injected once in a class)43 * <li>remove injected field from list of class fields44 * </​ul>45 * <li>else don't fail, user will then provide dependencies46 * </​ul>47 * </​ul>48 * </​p>49 *50 * <p>51 * <u>Note:</​u> If the field needing injection is not initialized, the strategy tries52 * to create one using a no-arg constructor of the field type.53 * </​p>54 */​55public class PropertyAndSetterInjection extends MockInjectionStrategy {56 private final MockCandidateFilter mockCandidateFilter = new TypeBasedCandidateFilter(new NameBasedCandidateFilter(new FinalMockCandidateFilter()));57 private final ListUtil.Filter<Field> notFinalOrStatic = new ListUtil.Filter<Field>() {58 public boolean isOut(Field object) {59 return Modifier.isFinal(object.getModifiers()) || Modifier.isStatic(object.getModifiers());60 }61 };62 public boolean processInjection(Field injectMocksField, Object injectMocksFieldOwner, Set<Object> mockCandidates) {63 /​/​ Set<Object> mocksToBeInjected = new HashSet<Object>(mockCandidates);64 FieldInitializationReport report = initializeInjectMocksField(injectMocksField, injectMocksFieldOwner);65 /​/​ for each field in the class hierarchy66 boolean injectionOccurred = false;67 Class<?> fieldClass = report.fieldClass();68 Object fieldInstanceNeedingInjection = report.fieldInstance();69 while (fieldClass != Object.class) {70 injectionOccurred |= injectMockCandidates(fieldClass, newMockSafeHashSet(mockCandidates), fieldInstanceNeedingInjection);71 fieldClass = fieldClass.getSuperclass();72 }73 return injectionOccurred;74 }75 private FieldInitializationReport initializeInjectMocksField(Field field, Object fieldOwner) {76 FieldInitializationReport report = null;77 try {78 report = new FieldInitializer(fieldOwner, field).initialize();79 } catch (MockitoException e) {80 if(e.getCause() instanceof InvocationTargetException) {81 Throwable realCause = e.getCause().getCause();82 new Reporter().fieldInitialisationThrewException(field, realCause);83 }84 new Reporter().cannotInitializeForInjectMocksAnnotation(field.getName(), e);85 }86 return report; /​/​ never null87 }88 private boolean injectMockCandidates(Class<?> awaitingInjectionClazz, Set<Object> mocks, Object instance) {89 boolean injectionOccurred = false;90 List<Field> orderedInstanceFields = orderedInstanceFieldsFrom(awaitingInjectionClazz);...

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...6import org.mockito.internal.configuration.injection.filter.NameBasedCandidateFilter;7import org.mockito.internal.configuration.injection.filter.TerminalMockCandidateFilter;8import org.mockito.internal.configuration.injection.filter.TypeBasedCandidateFilter;9import org.mockito.internal.util.collections.ListUtil;10import org.mockito.internal.util.reflection.FieldInitializationReport;11import org.mockito.internal.util.reflection.FieldInitializer;12import java.lang.reflect.Field;13import java.lang.reflect.InvocationTargetException;14import java.lang.reflect.Modifier;15import java.util.Arrays;16import java.util.Iterator;17import java.util.List;18import java.util.Set;19import static org.mockito.internal.exceptions.Reporter.cannotInitializeForInjectMocksAnnotation;20import static org.mockito.internal.exceptions.Reporter.fieldInitialisationThrewException;21import static org.mockito.internal.util.collections.Sets.newMockSafeHashSet;22import static org.mockito.internal.util.reflection.SuperTypesLastSorter.sortSuperTypesLast;23/​**24 * @Author: huangyin25 * @Date: 2020/​12/​11 11:0026 */​27public class FcboxPropertyAndSetterInjection extends MockInjectionStrategy {28 private final MockCandidateFilter mockCandidateFilter =29 new TypeBasedCandidateFilter(30 new NameBasedCandidateFilter(31 new TerminalMockCandidateFilter()));32 private final ListUtil.Filter<Field> notFinalOrStatic = object -> Modifier.isFinal(object.getModifiers()) || Modifier.isStatic(object.getModifiers());33 @Override34 public boolean processInjection(Field injectMocksField, Object injectMocksFieldOwner, Set<Object> mockCandidates) {35 FieldInitializationReport report = initializeInjectMocksField(injectMocksField, injectMocksFieldOwner);36 /​/​ for each field in the class hierarchy37 boolean injectionOccurred = false;38 Class<?> fieldClass = report.fieldClass();39 Object fieldInstanceNeedingInjection = report.fieldInstance();40 /​/​ TODO: 如果是代理对象,替换成真实对象 chnage to targetInstance41 Object originalFieldInstance;42 try {43 originalFieldInstance = ProxyUtils.getTarget(fieldInstanceNeedingInjection);44 } catch (Exception e) {45 e.printStackTrace();46 originalFieldInstance = fieldInstanceNeedingInjection;47 }48 while (fieldClass != Object.class) {49 injectionOccurred |= injectMockCandidates(fieldClass, originalFieldInstance, newMockSafeHashSet(mockCandidates));50 fieldClass = fieldClass.getSuperclass();51 }52 return injectionOccurred;53 }54 private FieldInitializationReport initializeInjectMocksField(Field field, Object fieldOwner) {55 try {56 return new FieldInitializer(fieldOwner, field).initialize();57 } catch (MockitoException e) {58 if (e.getCause() instanceof InvocationTargetException) {59 Throwable realCause = e.getCause().getCause();60 throw fieldInitialisationThrewException(field, realCause);61 }62 throw cannotInitializeForInjectMocksAnnotation(field.getName(), e.getMessage());63 }64 }65 private boolean injectMockCandidates(Class<?> awaitingInjectionClazz, Object injectee, Set<Object> mocks) {66 boolean injectionOccurred;67 List<Field> orderedCandidateInjecteeFields = orderedInstanceFieldsFrom(awaitingInjectionClazz);68 /​/​ pass 1...

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...4 */​5package org.mockito.internal.configuration.injection;6import org.mockito.exceptions.Reporter;7import org.mockito.exceptions.base.MockitoException;8import org.mockito.internal.util.reflection.FieldInitializationReport;9import org.mockito.internal.util.reflection.FieldInitializer;10import org.mockito.internal.util.reflection.FieldInitializer.ConstructorArgumentResolver;11import java.lang.reflect.Field;12import java.lang.reflect.InvocationTargetException;13import java.util.ArrayList;14import java.util.List;15import java.util.Set;16/​**17 * Injection strategy based on constructor.18 *19 * <p>20 * The strategy will search for the constructor with most parameters21 * and try to resolve mocks by type.22 * </​p>23 *24 * <blockquote>25 * TODO on missing mock type, shall it abandon or create "noname" mocks.26 * TODO and what if the arg type is not mockable.27 * </​blockquote>28 *29 * <p>30 * For now the algorithm tries to create anonymous mocks if an argument type is missing.31 * If not possible the algorithm abandon resolution.32 * </​p>33 */​34public class ConstructorInjection extends MockInjectionStrategy {35 private ConstructorArgumentResolver argResolver;36 public ConstructorInjection() { }37 /​/​ visible for testing38 ConstructorInjection(ConstructorArgumentResolver argResolver) {39 this.argResolver = argResolver;40 }41 public boolean processInjection(Field field, Object fieldOwner, Set<Object> mockCandidates) {42 try {43 SimpleArgumentResolver simpleArgumentResolver = new SimpleArgumentResolver(mockCandidates);44 FieldInitializationReport report = new FieldInitializer(fieldOwner, field, simpleArgumentResolver).initialize();45 return report.fieldWasInitializedUsingContructorArgs();46 } catch (MockitoException e) {47 if(e.getCause() instanceof InvocationTargetException) {48 Throwable realCause = e.getCause().getCause();49 new Reporter().fieldInitialisationThrewException(field, realCause);50 }51 /​/​ other causes should be fine52 return false;53 }54 }55 /​**56 * Returns mocks that match the argument type, if not possible assigns null.57 */​58 static class SimpleArgumentResolver implements ConstructorArgumentResolver {...

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...3import org.mockito.exceptions.Reporter;4import org.mockito.exceptions.base.MockitoException;5import org.mockito.internal.configuration.SpyAnnotationEngine;6import org.mockito.internal.util.MockUtil;7import org.mockito.internal.util.reflection.FieldInitializationReport;8import org.mockito.internal.util.reflection.FieldInitializer;9import java.lang.annotation.Annotation;10import java.lang.reflect.Field;11import static org.mockito.Mockito.withSettings;12/​**13 * Overrides Mockito's SpyAnnotationEngine to handle {@link com.googlecode.gwt.test.Mock}14 * annotation.15 *16 * @author Gael Lazzari17 */​18class GwtSpyAnnotationEngine extends SpyAnnotationEngine {19 @Override20 @SuppressWarnings("deprecation")21 /​/​ for MockitoAnnotations.Mock22 public void process(Class<?> context, Object testInstance) {23 Field[] fields = context.getDeclaredFields();24 for (Field field : fields) {25 if (field.isAnnotationPresent(Spy.class) && !field.isAnnotationPresent(InjectMocks.class)) {26 assertNoIncompatibleAnnotations(Spy.class, field, com.googlecode.gwt.test.Mock.class,27 Mock.class, org.mockito.MockitoAnnotations.Mock.class, Captor.class);28 Object instance = null;29 try {30 FieldInitializationReport report = new FieldInitializer(testInstance, field).initialize();31 instance = report.fieldInstance();32 } catch (MockitoException e) {33 new Reporter().cannotInitializeForSpyAnnotation(field.getName(), e);34 }35 try {36 if (new MockUtil().isMock(instance)) {37 /​/​ instance has been spied earlier38 /​/​ for example happens when MockitoAnnotations.initMocks is called two times.39 Mockito.reset(instance);40 } else {41 field.setAccessible(true);42 field.set(testInstance, Mockito.mock(43 instance.getClass(),44 withSettings().spiedInstance(instance).defaultAnswer(...

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...5import org.mockito.configuration.AnnotationEngine;6import org.mockito.exceptions.Reporter;7import org.mockito.exceptions.base.MockitoException;8import org.mockito.internal.util.MockUtil;9import org.mockito.internal.util.reflection.FieldInitializationReport;10import org.mockito.internal.util.reflection.FieldInitializer;11import java.lang.annotation.Annotation;12import java.lang.reflect.Field;13import static org.mockito.Mockito.withSettings;14/​**15 * Created by jiayu.shenjy on 2016/​4/​11.16 */​17public class IMockSpyAnnotationEngine implements AnnotationEngine {18 public Object createMockFor(Annotation annotation, Field field) {19 return null;20 }21 @SuppressWarnings("deprecation") /​/​ for MockitoAnnotations.Mock22 public void process(Class<?> context, Object testInstance) {23 Field[] fields = context.getDeclaredFields();24 for (Field field : fields) {25 if (field.isAnnotationPresent(Spy.class) && !field.isAnnotationPresent(InjectMocks.class)) {26 assertNoIncompatibleAnnotations(Spy.class, field, IMock.class, IMockAnnotations.IMock.class, Captor.class);27 Object instance = null;28 try {29 FieldInitializationReport report = new FieldInitializer(testInstance, field).initialize();30 instance = report.fieldInstance();31 } catch (MockitoException e) {32 new Reporter().cannotInitializeForSpyAnnotation(field.getName(), e);33 }34 try {35 if (new MockUtil().isMock(instance)) {36 /​/​ instance has been spied earlier37 /​/​ for example happens when MockitoAnnotations.initMocks is called two times.38 Mockito.reset(instance);39 } else {40 field.setAccessible(true);41 field.set(testInstance, Mockito.mock(instance.getClass(), withSettings()42 .spiedInstance(instance)43 .defaultAnswer(Mockito.CALLS_REAL_METHODS)...

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FieldInitializationReport

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1import org.mockito.internal.util.reflection.FieldInitializationReport;2import org.mockito.internal.util.reflection.FieldInitializer;3public class 1 {4 public static void main(String[] args) {5 FieldInitializer fieldInitializer = new FieldInitializer();6 FieldInitializationReport report = fieldInitializer.initializeFields(new Object());7 System.out.println(report);8 }9}10FieldInitializationReport{uninitializedFields=[java.lang.Object@6d06d69c], uninitializedFieldsHierarchy=[java.lang.Object@6d06d69c]}

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FieldInitializationReport

Using AI Code Generation

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1import org.mockito.internal.util.reflection.FieldInitializationReport;2import org.mockito.internal.util.reflection.FieldInitializer;3import org.mockito.internal.util.reflection.FieldInitializerFilter;4import org.mockito.internal.util.reflection.FieldInitializerFilterFactory;5import org.mockito.internal.util.reflection.FieldInitializerFilterFactoryImpl;6import org.mockito.internal.util.reflection.FieldInitializerFilterImpl;7import org.mockito.internal.util.reflection.FieldInitializerImpl;8import org.mockito.internal.util.reflection.FieldInitializerStrategy;9import org.mockito.internal.util.reflection.FieldInitializerStrategyFactory;10import org.mockito.internal.util.reflection.FieldInitializerStrategyFactoryImpl;11import org.mockito.internal.util.reflection.FieldInitializerStrategyImpl;12import org.mockito.internal.util.reflection.FieldReader;13import org.mockito.internal.util.reflection.FieldReaderFactory;14import org.mockito.internal.util.reflection.FieldReaderFactoryImpl;15import org.mockito.internal.util.reflection.FieldReaderImpl;16import org.mockito.internal.util.reflection.FieldWriter;17import org.mockito.internal.util.reflection.FieldWriterFactory;18import org.mockito.internal.util.reflection.FieldWriterFactoryImpl;19import org.mockito.internal.util.reflection.FieldWriterImpl;20import org.mockito.internal.util.reflection.FieldWriterStrategy;21import org.mockito.internal.util.reflection.FieldWriterStrategyFactory;22import org.mockito.internal.util.reflection.FieldWriterStrategyFactoryImpl;23import org.mockito.internal.util.reflection.FieldWriterStrategyImpl;24import org.mockito.internal.util.reflection.HierarchyTraversalMode;25import org.mockito.internal.util.reflection.InstanceFieldInitializer;26import org.mockito.internal.util.reflection.InstanceFieldInitializerFactory;27import org.mockito.internal.util.reflection.InstanceFieldInitializerFactoryImpl;28import org.mockito.internal.util.reflection.InstanceFieldInitializerImpl;29import org.mockito.internal.util.reflection.LenientCopyTool;30import org.mockito.internal.util.reflection.LenientCopyToolFactory;31import org.mockito.internal.util.reflection.LenientCopyToolFactoryImpl;32import org.mockito.internal.util.reflection.LenientCopyToolImpl;33import org.mockito.internal.util.reflection.LenientCopyToolStrategy;34import org.mockito.internal.util.reflection.LenientCopyToolStrategyFactory;35import org.mockito.internal.util.reflection.LenientCopyToolStrategyFactoryImpl;36import org.mockito.internal.util.reflection.LenientCopyToolStrategyImpl;37import org.mockito.internal.util.reflection.LenientCopyToolStrategyImpl$1;38import org.mockito.internal.util.reflection.LenientCopyToolStrategyImpl$2;39import org.mockito.internal.util.reflection.LenientCopyToolStrategyImpl$3;40import org.mockito.internal.util.reflection.LenientCopyToolStrategyImpl$4;41import org

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FieldInitializationReport

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1import org.mockito.internal.util.reflection.FieldInitializationReport;2import org.mockito.internal.util.reflection.FieldInitializer;3public class MockitoFieldInitializer {4 public static void main(String[] args) {5 FieldInitializer fieldInitializer = new FieldInitializer();6 FieldInitializationReport report = fieldInitializer.initializeFields(new Object());7 System.out.println(report);8 }9}10FieldInitializationReport{initializedFields=[], uninitializedFields=[]}

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FieldInitializationReport

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1import org.mockito.internal.util.reflection.FieldInitializationReport;2import org.mockito.internal.util.reflection.FieldInitializer;3public class 1 {4 public static void main(String[] args) {5 FieldInitializer.initialize(new FieldInitializer() {6 public void initialize(Class<?> type, Object instance) {7 }8 }, new FieldInitializationReport() {9 public void reportField(Class<?> type, String fieldName, Object value) {10 }11 });12 }13}

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FieldInitializationReport

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1import org.mockito.internal.util.reflection.FieldInitializationReport;2import org.mockito.internal.util.reflection.FieldInitializer;3import org.mockito.internal.util.reflection.FieldReader;4public class 1 {5 public static void main(String[] args) {6 FieldReader fieldReader = new FieldReader();7 FieldInitializer fieldInitializer = new FieldInitializer();8 FieldInitializationReport report = fieldInitializer.initialize("org.mockito.internal.util.reflection.FieldReader", "field");9 System.out.println(report.getInitializationError());10 System.out.println(report.getInitializationStackTrace());11 System.out.println(fieldReader.field);12 }13}14import org.mockito.internal.util.reflection.FieldInitializationReport;15import org.mockito.internal.util.reflection.FieldInitializer;16import org.mockito.internal.util.reflection.FieldReader;17public class 2 {18 public static void main(String[] args) {19 FieldReader fieldReader = new FieldReader();20 FieldInitializer fieldInitializer = new FieldInitializer();21 FieldInitializationReport report = fieldInitializer.initialize("org.mockito.internal.util.reflection.FieldReader", "staticField");22 System.out.println(report.getInitializationError());23 System.out.println(report.getInitializationStackTrace());24 System.out.println(fieldReader.staticField);25 }26}27import org.mockito.internal.util.reflection.FieldInitializationReport;28import org.mockito.internal.util.reflection.FieldInitializer;29import org.mockito.internal.util.reflection.FieldReader;30public class 3 {31 public static void main(String[] args) {32 FieldReader fieldReader = new FieldReader();33 FieldInitializer fieldInitializer = new FieldInitializer();34 FieldInitializationReport report = fieldInitializer.initialize("org.mockito.internal.util.reflection.FieldReader", "field");35 System.out.println(report.getInitializationError());36 System.out.println(report.getInitializationStackTrace());37 System.out.println(fieldReader.field);38 }39}

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FieldInitializationReport

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1package com.mycompany.app;2import org.mockito.internal.util.reflection.FieldInitializationReport;3import org.mockito.internal.util.reflection.FieldInitializer;4import org.mockito.internal.util.reflection.FieldInitializerFilter;5import org.mockito.internal.util.reflection.FieldReader;6import org.mockito.internal.util.reflection.FieldWriter;7import java.lang.reflect.Field;8import java.util.List;9import java.util.ArrayList;10import java.util.Arrays;11import java.util.Collection;12public class FieldInitializationReportExample {13 public static void main(String[] args) {14 FieldInitializerFilter filter = new FieldInitializerFilter() {15 public boolean isToBeInitialized(Field field) {16 return field.getName().equals("name");17 }18 };19 FieldInitializer initializer = new FieldInitializer(filter);20 FieldWriter writer = new FieldWriter();21 FieldReader reader = new FieldReader();22 FieldInitializationReport report = new FieldInitializationReport(reader, writer, initializer);23 List list = new ArrayList();24 String str = "hello";25 list.add(str);26 FieldInitializationReportExample obj = new FieldInitializationReportExample();27 list.add(obj);28 report.reportFor(list);29 System.out.println("The value of the name field is: " + obj.name);30 }31 private String name;32}

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If we assume that your job runs in such a small intervals that you really want your test to wait for job to be executed and you just want to test if job is invoked you can use following solution:

Add Awaitility to classpath:

<dependency>
    <groupId>org.awaitility</groupId>
    <artifactId>awaitility</artifactId>
    <version>3.1.0</version>
    <scope>test</scope>
</dependency>

Write test similar to:

@RunWith(SpringRunner.class)
@SpringBootTest
public class DemoApplicationTests {

    @SpyBean
    private MyTask myTask;

    @Test
    public void jobRuns() {
        await().atMost(Duration.FIVE_SECONDS)
               .untilAsserted(() -> verify(myTask, times(1)).work());
    }
}
https://stackoverflow.com/questions/32319640/how-to-test-spring-scheduled

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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.

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YouTube

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