How to use onInjection method of org.mockito.internal.configuration.InjectingAnnotationEngine class

Best Mockito code snippet using org.mockito.internal.configuration.InjectingAnnotationEngine.onInjection

Source:InjectingAnnotationEngine.java

...98        Set<Object> mocks = newMockSafeHashSet();99        while (clazz != Object.class) {100            new InjectMocksScanner(clazz).addTo(mockDependentFields);101            new MockScanner(testClassInstance, clazz).addPreparedMocks(mocks);102            onInjection(testClassInstance, clazz, mockDependentFields, mocks);103            clazz = clazz.getSuperclass();104        }105        new DefaultInjectionEngine()106                .injectMocksOnFields(mockDependentFields, mocks, testClassInstance);107        return () -> {108            for (Object mock : mocks) {109                if (mock instanceof ScopedMock) {110                    ((ScopedMock) mock).closeOnDemand();111                }112            }113        };114    }115    protected void onInjection(116            Object testClassInstance,117            Class<?> clazz,118            Set<Field> mockDependentFields,119            Set<Object> mocks) {}120}...

Source:CustomizedAnnotationForSmartMockTest.java

...32    @Retention(RetentionPolicy.RUNTIME)33    public @interface SmartMock {}34    public static class CustomInjectingAnnotationEngine extends InjectingAnnotationEngine {35        @Override36        protected void onInjection(Object testClassInstance, Class<?> clazz, Set<Field> mockDependentFields, Set<Object> mocks) {37            for (Field field : clazz.getDeclaredFields()) {38                if (field.isAnnotationPresent(SmartMock.class)) {39                    field.setAccessible(true);40                    try {41                        field.set(Modifier.isStatic(field.getModifiers()) ? null : testClassInstance, Mockito.mock(field.getType(), Mockito.RETURNS_SMART_NULLS));42                    } catch (Exception exception) {43                        throw new AssertionError(exception.getMessage());44                    }45                }46            }47        }48    }49}...

Source:InjectRealObjectsMockitoExtension.java

...17   public @interface Real {18   }19   @SneakyThrows20   @Override21   protected void onInjection(Object testClassInstance, Class<?> clazz, Set<Field> mockDependentFields, Set<Object> mocks) {22      for (Field declaredField : testClassInstance.getClass().getDeclaredFields()) {23         declaredField.setAccessible(true);24         if (!declaredField.isAnnotationPresent(Real.class)) {25            continue;26         }27         Object fieldValue = declaredField.get(testClassInstance);28         if (fieldValue == null) {29            log.warn("@Real fields should be manually initialized to be used by @InjectMocks");30            continue;31         }32         log.debug("Found @Real dependency : " + fieldValue);33         mocks.add(fieldValue);34      }35      super.onInjection(testClassInstance, clazz, mockDependentFields, mocks);36   }37}...

Source:ReactiveInjectingAnnotationEngine.java

...27@Deprecated28public class ReactiveInjectingAnnotationEngine extends InjectingAnnotationEngine {29    private final ReactiveAnnotationEngine reactiveAnnotationEngine = new ReactiveAnnotationEngine();30    @Override31    protected void onInjection(Object testInstance, Class<?> clazz, Set<Field> mockDependentFields, Set<Object> mocks) {32        mocks.addAll(reactiveAnnotationEngine.process(clazz, testInstance));33    }34}...

onInjection

Using AI Code Generation

1import org.mockito.InjectMocks;2import org.mockito.Mock;3import org.mockito.MockitoAnnotations;4import org.mockito.Spy;5import org.mockito.internal.configuration.InjectingAnnotationEngine;6import org.mockito.internal.util.MockUtil;7import org.mockito.internal.util.reflection.FieldInitializer;8import org.mockito.internal.util.reflection.FieldInitializerImpl;9import org.mockito.internal.util.reflection.FieldReader;10import org.mockito.internal.util.reflection.FieldReaderImpl;11import org.mockito.internal.util.reflection.FieldWriter;12import org.mockito.internal.util.reflection.FieldWriterImpl;13import org.mockito.internal.util.reflection.InstanceFieldInitializer;14import org.mockito.internal.util.reflection.InstanceFieldInitializerImpl;15import org.mockito.internal.util.reflection.InstanceFieldReader;16import org.mockito.internal.util.reflection.InstanceFieldReaderImpl;17import org.mockito.internal.util.reflection.InstanceFieldWriter;18import org.mockito.internal.util.reflection.InstanceFieldWriterImpl;19import org.mockito.internal.util.reflection.LenientCopyTool;20import org.mockito.internal.util.reflection.LenientCopyToolImpl;21import org.mockito.internal.util.reflection.LenientFieldCopier;22import org.mockito.internal.util.reflection.LenientFieldCopierImpl;23import org.mockito.internal.util.reflection.LenientSetter;24import org.mockito.internal.util.reflection.LenientSetterImpl;25import org.mockito.internal.util.reflection.LenientStaticFieldCopier;26import org.mockito.internal.util.reflection.LenientStaticFieldCopierImpl;27import org.mockito.internal.util.reflection.LenientStaticFieldWriter;28import org.mockito.internal.util.reflection.LenientStaticFieldWriterImpl;29import org.mockito.internal.util.reflection.LenientStaticSetter;30import org.mockito.internal.util.reflection.LenientStaticSetterImpl;31import org.mockito.internal.util.reflection.LenientTypeValidator;32import org.mockito.internal.util.reflection.LenientTypeValidatorImpl;33import org.mockito.internal.util.reflection.LenientTypeWrapper;34import org.mockito.internal.util.reflection.LenientTypeWrapperImpl;35import org.mockito.internal.util.reflection.LenientUnwrapper;36import org.mockito.internal.util.reflection.LenientUnwrapperImpl;37import org.mockito.invocation.InvocationOnMock;38import org.mockito.stubbing.Answer;39import org.mockito.stubbing.OngoingStubbing;40import java.lang.reflect.Field;41import java.util.ArrayList;42import java.util.List;43public class MockitoTest {44    private List<String> mockList;45    private List<String> spyList = new ArrayList<String>();46    private List<String> injectList = new ArrayList<String>();

onInjection

Using AI Code Generation

1import org.mockito.internal.configuration.InjectingAnnotationEngine;2import org.mockito.internal.configuration.injection.MockInjectionStrategy;3import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;4import org.mockito.internal.configuration.injection.filter.MockNameFilter;5import org.mockito.internal.configuration.injection.filter.QualifierAnnotationFilter;6import org.mockito.internal.configuration.injection.filter.TypeMockCandidateFilter;7import org.mockito.internal.configuration.injection.filter.TypeMockNameFilter;8import org.mockito.internal.configuration.injection.filter.TypeQualifierAnnotationFilter;9import org.mockito.internal.configuration.injection.filter.TypeSingletonFilter;10import org.mockito.internal.configuration.injection.filter.TypeUniqueCandidateFilter;11import org.mockito.internal.configuration.injection.filter.UniqueCandidateFilter;12import org.mockito.internal.configuration.injection.filter.UniqueQualifierAnnotationFilter;13import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;14import org.mockito.internal.configuration.injection.filter.MockNameFilter;15import org.mockito.internal.configuration.injection.filter.QualifierAnnotationFilter;16import org.mockito.internal.configuration.injection.filter.TypeMockCandidateFilter;17import org.mockito.internal.configuration.injection.filter.TypeMockNameFilter;18import org.mockito.internal.configuration.injection.filter.TypeQualifierAnnotationFilter;19import org.mockito.internal.configuration.injection.filter.TypeSingletonFilter;20import org.mockito.internal.configuration.injection.filter.TypeUniqueCandidateFilter;21import org.mockito.internal.configuration.injection.filter.UniqueCandidateFilter;22import org.mockito.internal.configuration.injection.filter.UniqueQualifierAnnotationFilter;23import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;24import org.mockito.internal.configuration.injection.filter.MockNameFilter;25import org.mockito.internal.configuration.injection.filter.QualifierAnnotationFilter;26import org.mockito.internal.configuration.injection.filter.TypeMockCandidateFilter;27import org.mockito.internal.configuration.injection.filter.TypeMockNameFilter;28import org.mockito.internal.configuration.injection.filter.TypeQualifierAnnotationFilter;29import org.mockito.internal.configuration.injection.filter.TypeSingletonFilter;30import org.mockito.internal.configuration.injection.filter.TypeUniqueCandidateFilter;31import org.mockito.internal.configuration.injection.filter.UniqueCandidateFilter;32import org.mockito.internal.configuration.injection.filter.UniqueQualifierAnnotationFilter;33import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;34import org.mockito.internal.configuration.injection.filter.MockNameFilter;35import org.mockito.internal.configuration.injection.filter.QualifierAnnotationFilter;36import org.mockito.internal.configuration.injection.filter.TypeMockCandidateFilter;37import org.mockito.internal.configuration.injection.filter.TypeMockNameFilter;38import org.mockito.internal.configuration.injection.filter.TypeQualifierAnnotationFilter;39import org.mockito.internal.configuration.injection.filter.TypeSingletonFilter;40import org.mockito.internal.configuration.injection.filter.TypeUniqueCandidate

onInjection

Using AI Code Generation

1package org.mockito.internal.configuration;2import org.mockito.internal.util.reflection.FieldInitializationReport;3import org.mockito.internal.util.reflection.FieldInitializer;4import org.mockito.internal.util.reflection.FieldReader;5import org.mockito.internal.util.reflection.FieldSetter;6import org.mockito.internal.util.reflection.InstanceFieldInitializer;7import org.mockito.internal.util.reflection.LenientFieldInitializer;8import org.mockito.internal.util.reflection.LenientFieldReader;9import org.mockito.internal.util.reflection.LenientFieldSetter;10import org.mockito.internal.util.reflection.LenientInstanceFieldInitializer;11import java.lang.reflect.Field;12import java.util.ArrayList;13import java.util.List;14import java.util.Set;15public class InjectingAnnotationEngine implements AnnotationEngine {16    private final FieldReader fieldReader;17    private final FieldSetter fieldSetter;18    private final FieldInitializer fieldInitializer;19    public InjectingAnnotationEngine() {20        this(new LenientFieldReader(), new LenientFieldSetter(), new LenientInstanceFieldInitializer());21    }22    InjectingAnnotationEngine(FieldReader fieldReader, FieldSetter fieldSetter, FieldInitializer fieldInitializer) {23        this.fieldReader = fieldReader;24        this.fieldSetter = fieldSetter;25        this.fieldInitializer = fieldInitializer;26    }27    public void process(Class<?> clazz, Object testClassInstance) {28        Set<Field> fields = new LenientFieldReader().getAllFields(clazz);29        for (Field field : fields) {30            if (field.isAnnotationPresent(Mock.class)) {31                onMock(testClassInstance, field);32            } else if (field.isAnnotationPresent(Captor.class)) {33                onCaptor(testClassInstance, field);34            } else if (field.isAnnotationPresent(Spy.class)) {35                onSpy(testClassInstance, field);36            }37        }38    }39    protected void onMock(Object testClassInstance, Field field) {40        Object mock = MockUtil.createMock(field.getType(), new MockSettingsImpl());41        fieldSetter.setField(field, testClassInstance, mock);42    }43    protected void onCaptor(Object testClassInstance, Field field) {44        Object captor = new CaptorImpl(field.getType());45        fieldSetter.setField(field, testClassInstance, captor);46    }47    protected void onSpy(Object testClassInstance, Field field) {48        Object spy = MockUtil.createSpy(field.getType(), new MockSettingsImpl());49        fieldSetter.setField(field, testClassInstance, spy);50    }51    public void processInjectMocks(Object testClassInstance) {

onInjection

Using AI Code Generation

1import org.mockito.InjectMocks;2import org.mockito.Mock;3import org.mockito.MockitoAnnotations;4import org.mockito.Spy;5import org.mockito.internal.configuration.InjectingAnnotationEngine;6public class 1 {7    private A a;8    private B b;9    private C c;10    public static void main(String[] args) {11        new 1().test();12    }13    public void test() {14        new InjectingAnnotationEngine().process(this);15        MockitoAnnotations.initMocks(this);16    }17}18public class A {19    public A() {20        System.out.println("A");21    }22}23public class B {24    public B() {25        System.out.println("B");26    }27}28public class C {29    private final A a;30    private final B b;31    public C(A a, B b) {32        this.a = a;33        this.b = b;34    }35}

onInjection

Using AI Code Generation

1package com.example;2import org.mockito.Mock;3import org.mockito.MockitoAnnotations;4import org.mockito.internal.configuration.InjectingAnnotationEngine;5public class Example {6    private String string;7    public static void main(String[] args) {8        Example example = new Example();9        InjectingAnnotationEngine injectingAnnotationEngine = new InjectingAnnotationEngine();10        injectingAnnotationEngine.process(example, example);11        System.out.println(example.string);12    }13}14package org.mockito.internal.configuration;15import org.mockito.MockitoAnnotations;16public class Example {17    private String string;18    public static void main(String[] args) {19        Example example = new Example();20        InjectingAnnotationEngine injectingAnnotationEngine = new InjectingAnnotationEngine();21        injectingAnnotationEngine.process(example, example);22        System.out.println(example.string);23    }24}25@RunWith(MockitoJUnitRunner.class)26public class Example {27    private String string;28    public static void main(String[] args) {29        Example example = new Example();30        InjectingAnnotationEngine injectingAnnotationEngine = new InjectingAnnotationEngine();31        injectingAnnotationEngine.process(example, example);32        System.out.println(example.string);33    }34}35public class Example {36    public void test() {37        PowerMockito.mockStatic(ClassToMock.class);38        PowerMockito.when(ClassToMock.get()).thenReturn("Test");39        System.out.println(ClassToMock.get());40    }41}

onInjection

Using AI Code Generation

1package org.mockito.internal.configuration;2import java.lang.annotation.Annotation;3import java.lang.reflect.Field;4import java.util.List;5import org.mockito.Mock;6import org.mockito.MockitoAnnotations.MockAnnotationProcessor;7import org.mockito.internal.util.reflection.FieldInitializer;8import org.mockito.internal.util.reflection.FieldInitializer.InjectionStrategy;9import org.mockito.internal.util.reflection.FieldInitializerProvider;10public class MockAnnotationEngine implements MockAnnotationProcessor {11    private final FieldInitializerProvider fieldInitializerProvider;12    public MockAnnotationEngine() {13        this(new FieldInitializerProvider());14    }15    public MockAnnotationEngine(FieldInitializerProvider fieldInitializerProvider) {16        this.fieldInitializerProvider = fieldInitializerProvider;17    }18    public void process(Object testClass, List<Annotation> annotations) {19        for (Annotation annotation : annotations) {20            if (annotation instanceof Mock) {21                processInjectMocks(testClass, (Mock) annotation);22            }23        }24    }25    private void processInjectMocks(Object testClass, Mock annotation) {26        for (Field field : testClass.getClass().getDeclaredFields()) {27            if (field.getType().isAssignableFrom(annotation.type())) {28                FieldInitializer fieldInitializer = fieldInitializerProvider.getInitializer(field);29                fieldInitializer.initialize(testClass, InjectionStrategy.INJECT_MOCKS);30            }31        }32    }33}34package org.mockito.internal.configuration;35import java.lang.annotation.Annotation;36import java.lang.reflect.Field;37import java.util.List;38import org.mockito.Mock;39import org.mockito.MockitoAnnotations.MockAnnotationProcessor;40import org.mockito.internal.util.reflection.FieldInitializer;41import org.mockito.internal.util.reflection.FieldInitializer.InjectionStrategy;42import org.mockito.internal.util.reflection.FieldInitializerProvider;43public class MockAnnotationEngine implements MockAnnotationProcessor {44    private final FieldInitializerProvider fieldInitializerProvider;45    public MockAnnotationEngine() {46        this(new FieldInitializerProvider());47    }48    public MockAnnotationEngine(FieldInitializerProvider fieldInitializerProvider) {49        this.fieldInitializerProvider = fieldInitializerProvider;50    }51    public void process(Object testClass, List<Annotation> annotations) {52        for (Annotation annotation : annotations) {53            if (annotation instanceof Mock) {54                processInjectMocks(testClass, (Mock) annotation);55            }56        }57    }58    private void processInjectMocks(Object testClass, Mock annotation) {

onInjection

Using AI Code Generation

1import org.mockito.internal.configuration.InjectingAnnotationEngine;2import org.mockito.internal.configuration.injection.MockInjectionStrategy;3import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;4import org.mockito.internal.configuration.injection.filter.MockNameMatcher;5import org.mockito.internal.configuration.injection.filter.NameBasedCandidateFilter;6import org.mockito.internal.configuration.injection.filter.TypeBasedCandidateFilter;7import org.mockito.internal.configuration.injection.scanner.*;8import org.mockito.internal.util.MockUtil;9import java.lang.reflect.Field;10import java.util.ArrayList;11import java.util.List;12public class MockInjector {13    public static void injectMocks(Object testClass) {14        MockInjectionStrategy strategy = new MockInjectionStrategy();15        List<MockCandidateFilter> filters = getFilters();16        List<MockCandidateScanner> scanners = getScanners();17        InjectingAnnotationEngine engine = new InjectingAnnotationEngine(strategy, filters, scanners);18        engine.process(testClass, null);19    }20    private static List<MockCandidateScanner> getScanners() {21        List<MockCandidateScanner> scanners = new ArrayList<>();22        scanners.add(new ConstructorMockCandidateScanner());23        scanners.add(new MethodMockCandidateScanner());24        scanners.add(new FieldMockCandidateScanner());25        return scanners;26    }27    private static List<MockCandidateFilter> getFilters() {28        List<MockCandidateFilter> filters = new ArrayList<>();29        filters.add(new TypeBasedCandidateFilter());30        filters.add(new NameBasedCandidateFilter(new MockNameMatcher()));31        return filters;32    }33}34import org.junit.jupiter.api.BeforeEach;35import org.junit.jupiter.api.Test;36import org.mockito.InjectMocks;37import org.mockito.Mock;38import org.mockito.MockitoAnnotations;39import java.util.ArrayList;40import java.util.List;41import static org.junit.jupiter.api.Assertions.assertEquals;42import static org.mockito.Mockito.when;43public class TestClass {44    private List<String> list;45    private TestClass2 testClass2;46    public void setup() {47        MockitoAnnotations.initMocks(this);48        MockInjector.injectMocks(this);49    }50    public void test() {

onInjection

Using AI Code Generation

1package com.example;2import org.mockito.Mock;3import org.mockito.MockitoAnnotations;4import org.mockito.internal.configuration.InjectingAnnotationEngine;5public class Example {6    private String string;7    public static void main(String[] args) {8        Example example = new Example();9        InjectingAnnotationEngine injectingAnnotationEngine = new InjectingAnnotationEngine();10        injectingAnnotationEngine.process(example, example);11        System.out.println(example.string);12    }13}14package org.mockito.internal.configuration;15import org.mockito.MockitoAnnotations;16public class Example {17    private String string;18    public static void main(String[] args) {19        Example example = new Example();20        InjectingAnnotationEngine injectingAnnotationEngine = new InjectingAnnotationEngine();21        injectingAnnotationEngine.process(example, example);22        System.out.println(example.string);23    }24}25@RunWith(MockitoJUnitRunner.class)26public class Example {27    private String string;28    public static void main(String[] args) {29        Example example = new Example();30        InjectingAnnotationEngine injectingAnnotationEngine = new InjectingAnnotationEngine();31        injectingAnnotationEngine.process(example, example);32        System.out.println(example.string);33    }34}35public class Example {36    public void test() {37        PowerMockito.mockStatic(ClassToMock.class);38        PowerMockito.when(ClassToMock.get()).thenReturn("Test");39        System.out.println(ClassToMock.get());40    }41}

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.