How to use ConstructorInjection method of org.mockito.internal.configuration.injection.ConstructorInjection class

Best Mockito code snippet using org.mockito.internal.configuration.injection.ConstructorInjection.ConstructorInjection

Source:ConstructorInjection.java

...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;...

Source:SimpleArgumentResolverTest.java

...10import static org.junit.Assert.*;11public class SimpleArgumentResolverTest {12    @Test13    public void should_return_object_matching_given_types() throws Exception {14        ConstructorInjection.SimpleArgumentResolver resolver =15                new ConstructorInjection.SimpleArgumentResolver(newSetOf(new HashSet<Long>(), new ByteArrayOutputStream(), new HashMap<String, String>()));16        Object[] resolvedInstance = resolver.resolveTypeInstances(Set.class, Map.class, OutputStream.class);17        assertEquals(3, resolvedInstance.length);18        assertTrue(resolvedInstance[0] instanceof Set);19        assertTrue(resolvedInstance[1] instanceof Map);20        assertTrue(resolvedInstance[2] instanceof OutputStream);21    }22    @Test23    public void should_return_null_when_match_is_not_possible_on_given_types() throws Exception {24        ConstructorInjection.SimpleArgumentResolver resolver =25                new ConstructorInjection.SimpleArgumentResolver(newSetOf(new HashSet<Float>(), new ByteArrayOutputStream()));26        Object[] resolvedInstance = resolver.resolveTypeInstances(Set.class, Map.class, OutputStream.class);27        assertEquals(3, resolvedInstance.length);28        assertTrue(resolvedInstance[0] instanceof Set);29        assertNull(resolvedInstance[1]);30        assertTrue(resolvedInstance[2] instanceof OutputStream);31    }32    @Test33    public void should_return_null_when_types_are_primitives() throws Exception {34        ConstructorInjection.SimpleArgumentResolver resolver =35                new ConstructorInjection.SimpleArgumentResolver(newSetOf(new HashMap<Integer, String>(), new TreeSet<Integer>()));36        Object[] resolvedInstance = resolver.resolveTypeInstances(Set.class, Map.class, Boolean.class);37        assertEquals(3, resolvedInstance.length);38        assertTrue(resolvedInstance[0] instanceof Set);39        assertTrue(resolvedInstance[1] instanceof Map);40        assertNull(resolvedInstance[2]);41    }42    private Set<Object> newSetOf(Object... objects) {43        return new HashSet<Object>(Arrays.asList(objects));44    }45}...

Source:ConstructorInjectionTest.java

...7import org.junit.Test;8import org.junit.runner.RunWith;9import org.mockito.Mock;10import org.mockito.junit.MockitoJUnitRunner;11import org.mockito.internal.configuration.injection.ConstructorInjection;12import java.lang.reflect.Field;13import java.util.HashSet;14import java.util.Observer;15import java.util.Set;16import static org.junit.Assert.assertNotNull;17import static org.junit.Assert.assertTrue;18@RunWith(MockitoJUnitRunner.class)19public class ConstructorInjectionTest {20    @Mock private Observer observer;21    private ArgConstructor whatever;22    private ConstructorInjection underTest;23    @Before24    public void initialize_dependencies() {25        underTest = new ConstructorInjection();26    }27    @Test28    public void should_do_the_trick_of_instantiating() throws Exception {29        boolean result = underTest.process(field("whatever"), this, newSetOf(observer));30        assertTrue(result);31        assertNotNull(whatever);32    }33    private Set<Object> newSetOf(Object item) {34        HashSet<Object> mocks = new HashSet<Object>();35        mocks.add(item);36        return mocks;37    }38    private Field field(String fieldName) throws NoSuchFieldException {39        return this.getClass().getDeclaredField(fieldName);...

ConstructorInjection

Using AI Code Generation

1import org.mockito.internal.configuration.injection.ConstructorInjection;2import org.mockito.internal.configuration.injection.MockInjection;3import org.mockito.internal.configuration.injection.MockInjectionStrategy;4import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;5import org.mockito.plugins.MockMaker;6import org.mockito.plugins.MockMaker.TypeMockability;7import java.lang.reflect.Constructor;8import java.lang.reflect.Field;9import java.lang.reflect.Method;10import java.util.List;11public class ConstructorInjectionTest {12    public static void main(String[] args) {13        ConstructorInjection constructorInjection = new ConstructorInjection();14        constructorInjection.injectMocks(new MockInjectionStrategy() {15            public MockInjection create(MockMaker mockMaker, MockCandidateFilter mockCandidateFilter) {16                return new MockInjection() {17                    public boolean processInjection(Field field, Object testClassInstance, MockCandidateFilter filter) {18                        return false;19                    }20                    public boolean processInjection(Method method, Object testClassInstance, MockCandidateFilter filter) {21                        return false;22                    }23                    public boolean processInjection(Constructor<?> constructor, Object testClassInstance, MockCandidateFilter filter) {24                        return false;25                    }26                    public boolean processInjection(Object testClassInstance, MockCandidateFilter filter) {27                        return false;28                    }29                    public List<Object> getMocks() {30                        return null;31                    }32                    public void reset() {33                    }34                    public boolean isTypeMockable(Class<?> type) {35                        return false;36                    }37                    public TypeMockability isTypeMockableWithExtraInterfaces(Class<?> type, Class<?>[] interfaces) {38                        return null;39                    }40                    public <T> T createMock(Class<T> classToMock, MockCandidateFilter filter) {41                        return null;42                    }43                    public <T> T createMock(Class<T> classToMock, Class<?>[] interfaces, MockCandidateFilter filter) {44                        return null;45                    }46                    public <T> T createSpy(T object) {47                        return null;48                    }49                };50            }51        });52    }53}54import org.mockito.internal.configuration.injection.ConstructorInjection;55import org.mockito.internal.configuration.injection.MockInjection;56import org.mockito

ConstructorInjection

Using AI Code Generation

1package org.mockito.internal.configuration.injection;2import org.mockito.exceptions.base.MockitoException;3import org.mockito.internal.util.reflection.ConstructorResolver;4import org.mockito.internal.util.reflection.LenientCopyTool;5import org.mockito.internal.util.reflection.LenientSetter;6import java.lang.reflect.Constructor;7import java.lang.reflect.Field;8import java.lang.reflect.Modifier;9public class ConstructorInjection implements ConstructorInstantiator {10    private final LenientCopyTool lenientCopyTool = new LenientCopyTool();11    private final LenientSetter lenientSetter = new LenientSetter();12    public <T> T instantiate(Class<T> typeToInstantiate) {13        Constructor<?> constructor = findConstructor(typeToInstantiate);14        Object[] constructorParameters = new Object[constructor.getParameterTypes().length];15        for (int i = 0; i < constructorParameters.length; i++) {16            constructorParameters[i] = getFieldValue(typeToInstantiate, constructor.getParameterTypes()[i]);17        }18        T instance = (T) new ConstructorResolver(typeToInstantiate).resolve(constructor, constructorParameters);19        lenientCopyTool.copyToMock(typeToInstantiate, instance);20        return instance;21    }22    private Object getFieldValue(Class<?> typeToInstantiate, Class<?> parameterType) {23        Field field = findField(typeToInstantiate, parameterType);24        if (field == null) {25            throw new MockitoException("Cannot inject the parameter of type " + parameterType.getName() + " into " + typeToInstantiate.getName() + ". " +26                    "No field of the same type found.");27        }28        return lenientSetter.getFieldValue(field);29    }30    private Field findField(Class<?> typeToInstantiate, Class<?> parameterType) {31        for (

ConstructorInjection

Using AI Code Generation

1package com.automationrhapsody.mockito;2import java.lang.reflect.Constructor;3import java.lang.reflect.InvocationTargetException;4import org.mockito.internal.configuration.injection.ConstructorInjection;5import org.mockito.internal.configuration.injection.MockInjectionStrategy;6import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;7import org.mockito.internal.configuration.injection.filter.TypeMockCandidateFilter;8import org.mockito.internal.util.MockUtil;9import org.mockito.internal.util.reflection.LenientCopyTool;10import org.mockito.plugins.MockMaker;11public class ConstructorInjectionTest {12    public static void main(String[] args) {13        MockMaker mockMaker = new MockMaker() {14            public <T> T createMock(MockCreationSettings<T> settings, MockHandler handler) {15                return null;16            }17            public MockHandler getHandler(Object mock) {18                return null;19            }20            public void resetMock(Object mock, MockHandler newHandler, MockCreationSettings settings) {21            }22            public TypeMockability isTypeMockable(Class<?> type) {23                return null;24            }25            public MockHandlerFactory getHandlerFactory() {26                return null;27            }28        };29        MockCandidateFilter mockCandidateFilter = new TypeMockCandidateFilter();30        MockInjectionStrategy mockInjectionStrategy = new ConstructorInjection(mockMaker, mockCandidateFilter, new LenientCopyTool());31        MockUtil mockUtil = new MockUtil();32        MockObject mockObject = mockInjectionStrategy.injectMocks(new MockObject());33        System.out.println("Is mock object a mock: " + mockUtil.isMock(mockObject));34    }35}36package com.automationrhapsody.mockito;37import java.lang.reflect.Field;38import java.lang.reflect.InvocationTargetException;39import java.lang.reflect.Method;40import org.mockito.internal.configuration.injection.MockInjectionStrategy;41import org.mockito.internal.configuration.injection.filter.MockCandidateFilter;42import org.mockito.internal.configuration.injection.filter.TypeMockCandidateFilter;43import org.mockito.internal.util.MockUtil;44import org.mockito.internal.util.reflection.LenientCopyTool;45import org.mockito.plugins.MockMaker;46public class SetterInjectionTest {47    public static void main(String[] args) {

ConstructorInjection

Using AI Code Generation

1package org.mockito.internal.configuration.injection;2import java.lang.reflect.Constructor;3import java.lang.reflect.InvocationTargetException;4import java.util.ArrayList;5import java.util.List;6import org.mockito.internal.util.reflection.LenientCopyTool;7import org.mockito.internal.util.reflection.LenientSetter;8public class ConstructorInjection implements ConstructorInjector {9    public <T> T injectMocks(T toBeInjected) {10        if (toBeInjected == null) {11            return null;12        }13        LenientCopyTool lenientCopyTool = new LenientCopyTool();14        Class<?> clazz = toBeInjected.getClass();15        Constructor<?>[] constructors = clazz.getConstructors();16        Constructor<?> constructor = null;17        for (Constructor<?> c : constructors) {18            if (c.getParameterTypes().length > 0) {19                constructor = c;20                break;21            }22        }23        if (constructor == null) {24            return toBeInjected;25        }26        Object[] args = new Object[constructor.getParameterTypes().length];27        for (int i = 0; i < args.length; i++) {28            Class<?> paramType = constructor.getParameterTypes()[i];29            args[i] = lenientCopyTool.copy(paramType);30        }31        try {32            return (T) constructor.newInstance(args);33        } catch (InstantiationException e) {34            throw new RuntimeException(e);35        } catch (IllegalAccessException e) {36            throw new RuntimeException(e);37        } catch (InvocationTargetException e) {38            throw new RuntimeException(e);39        }40    }41}42package org.mockito.internal.configuration.injection;43import java.lang.reflect.Field;44import java.util.ArrayList;45import java.util.List;46import org.mockito.internal.util.reflection.LenientCopyTool;47import org.mockito.internal.util.reflection.LenientSetter;48public class SetterInjection implements SetterInjector {49    public <T> T injectMocks(T toBeInjected) {50        if (toBeInjected == null) {51            return null;52        }53        LenientCopyTool lenientCopyTool = new LenientCopyTool();54        Class<?> clazz = toBeInjected.getClass();55        List<Field> fields = new ArrayList<Field>();56        while (clazz != null) {57            for (Field field : clazz.getDeclaredFields()) {58                if (!field.isSynthetic()) {59                    fields.add(field);60                }61            }

ConstructorInjection

Using AI Code Generation

1public class 1 {2    public static void main(String[] args) throws Exception {3        ConstructorInjection constructorInjection = new ConstructorInjection();4        Object obj = constructorInjection.newInstance(1.class);5    }6}7Exception in thread "main" java.lang.NoSuchMethodException: 1.<init>()8    at java.lang.Class.getConstructor0(Class.java:3082)9    at java.lang.Class.getConstructor(Class.java:1825)10    at org.mockito.internal.configuration.injection.ConstructorInjection.newInstance(ConstructorInjection.java:25)11    at 1.main(1.java:8)12Exception in thread "main" java.lang.NoSuchMethodException: 1.<init>()13    at java.lang.Class.getConstructor0(Class.java:3082)14    at java.lang.Class.getConstructor(Class.java:1825)15    at org.mockito.internal.configuration.injection.ConstructorInjection.newInstance(ConstructorInjection.java:25)16    at 1.main(1.java:8)17Exception in thread "main" java.lang.NoSuchMethodException: 1.<init>()18    at java.lang.Class.getConstructor0(Class.java:3082)19    at java.lang.Class.getConstructor(Class.java:1825)20    at org.mockito.internal.configuration.injection.ConstructorInjection.newInstance(ConstructorInjection.java:25)21    at 1.main(1.java:8)22Exception in thread "main" java.lang.NoSuchMethodException: 1.<init>()23    at java.lang.Class.getConstructor0(Class.java:3082)24    at java.lang.Class.getConstructor(Class.java:1825)25    at org.mockito.internal.configuration.injection.ConstructorInjection.newInstance(ConstructorInjection.java:25)26    at 1.main(1.java:8)27Exception in thread "main" java.lang.NoSuchMethodException: 1.<init>()28    at java.lang.Class.getConstructor0(Class.java:3082)29    at java.lang.Class.getConstructor(Class.java:1825)30    at org.mockito.internal.configuration.injection.ConstructorInjection.newInstance(ConstructorInjection.java:25)31    at 1.main(1.java:8)32Exception in thread "main" java.lang.NoSuchMethodException: 1.<init>()33    at java.lang.Class.getConstructor0(Class.java:3082)34    at java.lang.Class.getConstructor(Class.java:1825)35    at org.mockito.internal.configuration.injection.ConstructorInjection.newInstance(ConstructorInjection.java:25)36    at 1.main(1.java:8)37Exception in thread "main" java.lang.NoSuchMethodException: 1.<init>()

ConstructorInjection

Using AI Code Generation

1import java.lang.reflect.Constructor;2import java.lang.reflect.Field;3import java.lang.reflect.InvocationTargetException;4import java.lang.reflect.Type;5import java.util.ArrayList;6import java.util.Arrays;7import java.util.List;8import java.util.Map;9import java.util.concurrent.ConcurrentHashMap;10import org.mockito.internal.configuration.injection.ConstructorInjection;11import org.mockito.internal.util.MockUtil;12import org.mockito.internal.util.reflection.FieldInitializer;13import org.mockito.internal.util.reflection.FieldReader;14import org.mockito.internal.util.reflection.FieldSetter;15import org.mockito.internal.util.reflection.GenericMetadataSupport;16import org.mockito.internal.util.reflection.InstanceFactory;17import org.mockito.internal.util.reflection.LenientCopyTool;18import org.mockito.internal.util.reflection.LenientFieldCopier;19import org.mockito.internal.util.reflection.LenientSetterCopier;20import org.mockito.internal.util.reflection.LenientUnmockedTypeValidator;21import org.mockito.internal.util.reflection.LenientWrapper;22import org.mockito.internal.util.reflection.ParameterNameExtractor;23import org.mockito.internal.util.reflection.ParameterResolver;24import org.mockito.internal.util.reflection.ParameterResolverFactory;25import org.mockito.internal.util.reflection.Reflections;26import org.mockito.internal.util.reflection.TypeCaster;27import org.mockito.internal.util.reflection.TypeResolver;28import org.mockito.internal.util.reflection.Whitebox;29import org.mockito.invocation.InvocationOnMock;30import org.mockito.stubbing.Answer;31public class ConstructorInjectionInjectMocksTest {32    public static void main(String[] args) {33        ConstructorInjection constructorInjection = new ConstructorInjection();34        List<String> mockList = mock(List.class);35        ArrayList<String> arrayList = new ArrayList<String>();36        constructorInjection.injectMocks(arrayList, mockList);37        if (arrayList.get(0) == mockList) {38            System.out.println("Test passed");39        } else {40            System.out.println("Test failed");41        }42    }

ConstructorInjection

Using AI Code Generation

1public class 1 {2    public 1() {3    }4    public static void main(String[] args) {5        ConstructorInjection constructorInjection = new ConstructorInjection();6        Class<?>[] classes = {String.class};7        Object[] params = {"hello"};8        Object o = constructorInjection.newInstance(1.class, classes, params);9        System.out.println(o);10    }11}12public class 2 {13    public 2() {14    }15    public static void main(String[] args) {16        ConstructorInjection constructorInjection = new ConstructorInjection();17        Class<?>[] classes = {String.class};18        Object[] params = {"hello"};19        Object o = constructorInjection.newInstance(2.class, classes, params);20        System.out.println(o);21    }22}23public class 3 {24    public 3() {25    }26    public static void main(String[] args) {27        ConstructorInjection constructorInjection = new ConstructorInjection();28        Class<?>[] classes = {String.class};29        Object[] params = {"hello"};30        Object o = constructorInjection.newInstance(3.class, classes, params);31        System.out.println(o);32    }33}34public class 4 {35    public 4() {36    }37    public static void main(String[] args) {38        ConstructorInjection constructorInjection = new ConstructorInjection();39        Class<?>[] classes = {String.class};40        Object[] params = {"hello"};41        Object o = constructorInjection.newInstance(4.class, classes, params);42        System.out.println(o);43    }44}45public class 5 {46    public 5() {47    }48    public static void main(String[] args) {49        ConstructorInjection constructorInjection = new ConstructorInjection();50        Class<?>[] classes = {String.class};

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