How to use initialize method of org.mockito.internal.util.reflection.FieldInitializer class

Best Mockito code snippet using org.mockito.internal.util.reflection.FieldInitializer.initialize

Source:FieldInitializerTest.java

...26    private AbstractStaticClass instantiatedAbstractType = new ConcreteStaticClass();27    private Interface instantiatedInterfaceType =  new ConcreteStaticClass();28    private InnerClassType instantiatedInnerClassType = new InnerClassType();29    @Test30    public void should_keep_same_instance_if_field_initialized() throws Exception {31        final StaticClass backupInstance = alreadyInstantiated;32        FieldInitializer fieldInitializer = new FieldInitializer(this, field("alreadyInstantiated"));33        FieldInitializationReport report = fieldInitializer.initialize();34        assertSame(backupInstance, report.fieldInstance());35        assertFalse(report.fieldWasInitialized());36        assertFalse(report.fieldWasInitializedUsingContructorArgs());37    }38    @Test39    public void should_instantiate_field_when_type_has_no_constructor() throws Exception {40        FieldInitializer fieldInitializer = new FieldInitializer(this, field("noConstructor"));41        FieldInitializationReport report = fieldInitializer.initialize();42        assertNotNull(report.fieldInstance());43        assertTrue(report.fieldWasInitialized());44        assertFalse(report.fieldWasInitializedUsingContructorArgs());45    }46    @Test47    public void should_instantiate_field_with_default_constructor() throws Exception {48        FieldInitializer fieldInitializer = new FieldInitializer(this, field("defaultConstructor"));49        FieldInitializationReport report = fieldInitializer.initialize();50        assertNotNull(report.fieldInstance());51        assertTrue(report.fieldWasInitialized());52        assertFalse(report.fieldWasInitializedUsingContructorArgs());53    }54    @Test55    public void should_instantiate_field_with_private_default_constructor() throws Exception {56        FieldInitializer fieldInitializer = new FieldInitializer(this, field("privateDefaultConstructor"));57        FieldInitializationReport report = fieldInitializer.initialize();58        assertNotNull(report.fieldInstance());59        assertTrue(report.fieldWasInitialized());60        assertFalse(report.fieldWasInitializedUsingContructorArgs());61    }62    @Test(expected = MockitoException.class)63    public void should_fail_to_instantiate_field_if_no_default_constructor() throws Exception {64        FieldInitializer fieldInitializer = new FieldInitializer(this, field("noDefaultConstructor"));65        fieldInitializer.initialize();66    }67    @Test68    public void should_fail_to_instantiate_field_if_default_constructor_throws_exception() throws Exception {69        FieldInitializer fieldInitializer = new FieldInitializer(this, field("throwingExDefaultConstructor"));70        try {71            fieldInitializer.initialize();72            fail();73        } catch (MockitoException e) {74            InvocationTargetException ite = (InvocationTargetException) e.getCause();75            assertTrue(ite.getTargetException() instanceof NullPointerException);76            assertEquals("business logic failed", ite.getTargetException().getMessage());77        }78    }79    @Test(expected = MockitoException.class)80    public void should_fail_for_abstract_field() throws Exception {81        new FieldInitializer(this, field("abstractType"));82    }83    @Test84    public void should_not_fail_if_abstract_field_is_instantiated() throws Exception {85        new FieldInitializer(this, field("instantiatedAbstractType"));86    }87    @Test(expected = MockitoException.class)88    public void should_fail_for_interface_field() throws Exception {89        new FieldInitializer(this, field("interfaceType"));90    }91    @Test92    public void should_not_fail_if_interface_field_is_instantiated() throws Exception {93        new FieldInitializer(this, field("instantiatedInterfaceType"));94    }95    @Test(expected = MockitoException.class)96    public void should_fail_for_local_type_field() throws Exception {97        // when98        class LocalType { }99        class TheTestWithLocalType {100            @InjectMocks LocalType field;101        }102        TheTestWithLocalType testWithLocalType = new TheTestWithLocalType();103        // when104        new FieldInitializer(testWithLocalType, testWithLocalType.getClass().getDeclaredField("field"));105    }106    @Test107    public void should_not_fail_if_local_type_field_is_instantiated() throws Exception {108        // when109        class LocalType { }110        class TheTestWithLocalType {111            @InjectMocks LocalType field = new LocalType();112        }113        TheTestWithLocalType testWithLocalType = new TheTestWithLocalType();114        // when115        new FieldInitializer(testWithLocalType, testWithLocalType.getClass().getDeclaredField("field"));116    }117    @Test(expected = MockitoException.class)118    public void should_fail_for_inner_class_field() throws Exception {119        new FieldInitializer(this, field("innerClassType"));120    }121    @Test122    public void should_not_fail_if_inner_class_field_is_instantiated() throws Exception {123        new FieldInitializer(this, field("instantiatedInnerClassType"));124    }125    @Test126    public void can_instantiate_class_with_parameterized_constructor() throws Exception {127        ConstructorArgumentResolver resolver = given(mock(ConstructorArgumentResolver.class).resolveTypeInstances(any(Class.class)))128                        .willReturn(new Object[]{null}).getMock();129        new FieldInitializer(this, field("noDefaultConstructor"), resolver).initialize();130        assertNotNull(noDefaultConstructor);131    }132    private Field field(String fieldName) throws NoSuchFieldException {133        return this.getClass().getDeclaredField(fieldName);134    }135    static class StaticClass {136    }137    static class StaticClassWithDefaultConstructor {138        StaticClassWithDefaultConstructor() { }139    }140    static class StaticClassWithPrivateDefaultConstructor {141        private StaticClassWithPrivateDefaultConstructor() { }142    }143    static class StaticClassWithoutDefaultConstructor {...

Source:GwtSpyAnnotationEngine.java

...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(...

Source:ConstructorInjection.java

...35    public ConstructorInjection() { }36    public boolean processInjection(Field field, Object fieldOwner, Set<Object> mockCandidates) {37        try {38            SimpleArgumentResolver simpleArgumentResolver = new SimpleArgumentResolver(mockCandidates);39            FieldInitializationReport report = new FieldInitializer(fieldOwner, field, simpleArgumentResolver).initialize();40            return report.fieldWasInitializedUsingContructorArgs();41        } catch (MockitoException e) {42            if(e.getCause() instanceof InvocationTargetException) {43                Throwable realCause = e.getCause().getCause();44                throw fieldInitialisationThrewException(field, realCause);45            }46            // other causes should be fine47            return false;48        }49    }50    /**51     * Returns mocks that match the argument type, if not possible assigns null.52     */53    static class SimpleArgumentResolver implements ConstructorArgumentResolver {...

initialize

Using AI Code Generation

1import org.mockito.internal.util.reflection.FieldInitializer;2import java.lang.reflect.Field;3import java.lang.reflect.Method;4import java.lang.reflect.InvocationTargetException;5public class 1 {6    public static void main(String[] args) throws NoSuchFieldException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {7        FieldInitializer fieldInitializer = new FieldInitializer();8        Field field = 1.class.getDeclaredField("field");9        fieldInitializer.initialize(field);10        System.out.println(fieldInitializer.initialize(field));11    }12}13import org.mockito.internal.util.reflection.FieldInitializer;14import java.lang.reflect.Field;15import java.lang.reflect.Method;16import java.lang.reflect.InvocationTargetException;17public class 2 {18    public static void main(String[] args) throws NoSuchFieldException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {19        FieldInitializer fieldInitializer = new FieldInitializer();20        Field field = 2.class.getDeclaredField("field");21        fieldInitializer.initialize(field);22        System.out.println(fieldInitializer.initialize(field));23    }24}25import org.mockito.internal.util.reflection.FieldInitializer;26import java.lang.reflect.Field;27import java.lang.reflect.Method;28import java.lang.reflect.InvocationTargetException;29public class 3 {30    public static void main(String[] args) throws NoSuchFieldException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {31        FieldInitializer fieldInitializer = new FieldInitializer();32        Field field = 3.class.getDeclaredField("field");33        fieldInitializer.initialize(field);34        System.out.println(fieldInitializer.initialize(field));35    }36}37import org.mockito.internal.util.reflection.FieldInitializer;38import java.lang.reflect.Field;39import java.lang.reflect.Method;40import java.lang.reflect.InvocationTargetException;41public class 4 {42    public static void main(String[] args) throws NoSuchFieldException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {43        FieldInitializer fieldInitializer = new FieldInitializer();44        Field field = 4.class.getDeclaredField("field");45        fieldInitializer.initialize(field);46        System.out.println(fieldInitializer.initialize(field));47    }48}

initialize

Using AI Code Generation

1import org.mockito.internal.util.reflection.FieldInitializer;2import org.mockito.internal.util.reflection.FieldReader;3import org.mockito.internal.util.reflection.FieldSetter;4import org.mockito.internal.util.reflection.FieldValidator;5import org.mockito.internal.util.reflection.LenientCopyTool;6import org.mockito.internal.util.reflection.LenientFieldCopier;7import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter;8import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterResult;9import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterResult.FilterResultType;10import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType;11import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterAction;12import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterActionType;13import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterCondition;14import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterConditionType;15import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterConditionType.FilterConditionValueType;16import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterConditionType.FilterConditionValueType.FilterConditionValue;17import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterConditionType.FilterConditionValueType.FilterConditionValue.FilterConditionValueType;18import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterConditionType.FilterConditionValueType.FilterConditionValue.FilterConditionValueType.FilterConditionValue;19import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterConditionType.FilterConditionValueType.FilterConditionValue.FilterConditionValueType.FilterConditionValue.FilterConditionValueType;20import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterConditionType.FilterConditionValueType.FilterConditionValue.FilterConditionValueType.FilterConditionValue.FilterConditionValueType.FilterConditionValue;21import org.mockito.internal.util.reflection.LenientFieldCopier.LenientFieldCopierFilter.FilterType.FilterConditionType.FilterConditionValueType.FilterConditionValue.FilterConditionValueType.FilterConditionValue.FilterConditionValueType.FilterConditionValue.FilterCondition

initialize

Using AI Code Generation

1import java.lang.reflect.Field;2import org.mockito.internal.util.reflection.FieldInitializer;3public class 1 {4    public static void main(String[] args) throws Exception {5        Class<?> clazz = Class.forName("org.mockito.internal.util.reflection.FieldInitializer");6        Field field = clazz.getDeclaredField("obj");7        FieldInitializer.initialize(field, new Object());8    }9}10import java.lang.reflect.Field;11import org.mockito.internal.util.reflection.FieldInitializer;12public class 2 {13    public static void main(String[] args) throws Exception {14        Class<?> clazz = Class.forName("org.mockito.internal.util.reflection.FieldInitializer");15        Field field = clazz.getDeclaredField("obj");16        FieldInitializer.initialize(field, new Object());17    }18}19import java.lang.reflect.Field;20import org.mockito.internal.util.reflection.FieldInitializer;21public class 3 {22    public static void main(String[] args) throws Exception {23        Class<?> clazz = Class.forName("org.mockito.internal.util.reflection.FieldInitializer");24        Field field = clazz.getDeclaredField("obj");25        FieldInitializer.initialize(field, new Object());26    }27}28import java.lang.reflect.Field;29import org.mockito.internal.util.reflection.FieldInitializer;30public class 4 {31    public static void main(String[] args) throws Exception {32        Class<?> clazz = Class.forName("org.mockito.internal.util.reflection.FieldInitializer");33        Field field = clazz.getDeclaredField("obj");34        FieldInitializer.initialize(field, new Object());35    }36}37import java.lang.reflect.Field;38import org.mockito.internal.util.reflection.FieldInitializer;39public class 5 {40    public static void main(String[] args) throws Exception {41        Class<?> clazz = Class.forName("org.mockito.internal.util.reflection.FieldInitializer");42        Field field = clazz.getDeclaredField("obj");43        FieldInitializer.initialize(field, new Object());44    }45}

initialize

Using AI Code Generation

1package org.mockito.internal.util.reflection;2import java.lang.reflect.Field;3import org.junit.Test;4import org.mockito.internal.util.reflection.FieldInitializer;5import static org.mockito.Mockito.*;6import static org.mockito.MockitoAnnotations.*;7import static org.mockito.internal.util.reflection.FieldInitializer.*;8import static org.junit.Assert.*;9public class FieldInitializerTest {10    public void testInitialize() throws Exception {11        FieldInitializerTest obj = mock(FieldInitializerTest.class);12        FieldInitializer initializer = new FieldInitializer(obj);13        Field field = FieldInitializerTest.class.getDeclaredField("field");14        field.setAccessible(true);15        initializer.initialize(field, "test");16        assertEquals("test", field.get(obj));17    }18}19testInitialize(org.mockito.internal.util.reflection.FieldInitializerTest)  Time elapsed: 0.001 sec  OK

initialize

Using AI Code Generation

1package org.mockito.internal.util.reflection;2import java.lang.reflect.Field;3public class FieldInitializer {4    public FieldInitializer() {}5    public void initialize(Field field, Object target, Object value) {6        if (field == null) {7            throw new NullPointerException("field cannot be null");8        }9        if (target == null) {10            throw new NullPointerException("target cannot be null");11        }12        if (value == null) {13            throw new NullPointerException("value cannot be null");14        }15        try {16            field.setAccessible(true);17            field.set(target, value);18        } catch (Throwable e) {19            throw new RuntimeException("Could not set value " + value + " on " + field + " in " + target, e);20        }21    }22}23package org.mockito.internal.util.reflection;24import java.lang.reflect.Field;25public class FieldInitializer {26    public FieldInitializer() {}27    public void initialize(Field field, Object target, Object value) {28        if (field == null) {29            throw new NullPointerException("field cannot be null");30        }31        if (target == null) {32            throw new NullPointerException("target cannot be null");33        }34        if (value == null) {35            throw new NullPointerException("value cannot be null");36        }37        try {38            field.setAccessible(true);39            field.set(target, value);40        } catch (Throwable e) {41            throw new RuntimeException("Could not set value " + value + " on " + field + " in " + target, e);42        }43    }44}45package org.mockito.internal.util.reflection;46import java.lang.reflect.Field;47public class FieldInitializer {48    public FieldInitializer() {}49    public void initialize(Field field, Object target, Object value) {50        if (field == null) {51            throw new NullPointerException("field cannot be null");52        }53        if (target == null) {54            throw new NullPointerException("target cannot be null");55        }56        if (value == null) {57            throw new NullPointerException("value cannot be null");58        }59        try {60            field.setAccessible(true);61            field.set(target, value);62        } catch (Throwable e) {63            throw new RuntimeException("Could not set

initialize

Using AI Code Generation

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

initialize

Using AI Code Generation

1import org.mockito.internal.util.reflection.FieldInitializer;2public class Test {3    public static void main(String[] args) {4        FieldInitializer.initialize("com.example.demo.Test", "field", "value");5    }6}

initialize

Using AI Code Generation

1import java.lang.reflect.Field;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Method;4import java.util.Arrays;5import java.util.List;6import org.mockito.internal.util.reflection.FieldInitializer;7public class 1 {8    public static void main(String[] args) throws ClassNotFoundException, NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchFieldException {9        Class<?> fieldInitializerClass = Class.forName("org.mockito.internal.util.reflection.FieldInitializer");10        Method initializeMethod = fieldInitializerClass.getDeclaredMethod("initialize", Class.class, String.class, Object.class);11        initializeMethod.setAccessible(true);12        initializeMethod.invoke(null, Class.forName("com.foo.Bar"), "myStaticField", "myValue");13    }14}15import com.foo.Bar;16public class 2 {17    public static void main(String[] args) {18        System.out.println(Bar.myStaticField);19    }20}21package com.foo;22public class Bar {23    public static String myStaticField;24}

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