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

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

Source:ReturnsDeepStubs.java

...10import org.mockito.internal.creation.settings.CreationSettings;11import org.mockito.internal.stubbing.InvocationContainerImpl;12import org.mockito.internal.stubbing.StubbedInvocationMatcher;13import org.mockito.internal.util.MockUtil;14import org.mockito.internal.util.reflection.GenericMetadataSupport;15import org.mockito.invocation.InvocationOnMock;16import org.mockito.stubbing.Answer;1718import java.io.Serializable;1920import static org.mockito.Mockito.withSettings;2122/**23 * Returning deep stub implementation.24 *25 * Will return previously created mock if the invocation matches.26 *27 * <p>Supports nested generic information, with this answer you can write code like this :28 *29 * <pre class="code"><code class="java">30 *     interface GenericsNest&lt;K extends Comparable&lt;K&gt; & Cloneable&gt; extends Map&lt;K, Set&lt;Number&gt;&gt; {}31 *32 *     GenericsNest&lt;?&gt; mock = mock(GenericsNest.class, new ReturnsGenericDeepStubs());33 *     Number number = mock.entrySet().iterator().next().getValue().iterator().next();34 * </code></pre>35 * </p>36 *37 * @see org.mockito.Mockito#RETURNS_DEEP_STUBS38 * @see org.mockito.Answers#RETURNS_DEEP_STUBS39 */40public class ReturnsDeepStubs implements Answer<Object>, Serializable {41    42    private static final long serialVersionUID = -7105341425736035847L;4344    private MockitoCore mockitoCore = new MockitoCore();45    private ReturnsEmptyValues delegate = new ReturnsEmptyValues();4647    public Object answer(InvocationOnMock invocation) throws Throwable {48        GenericMetadataSupport returnTypeGenericMetadata =49                actualParameterizedType(invocation.getMock()).resolveGenericReturnType(invocation.getMethod());5051        Class<?> rawType = returnTypeGenericMetadata.rawType();52        if (!mockitoCore.isTypeMockable(rawType)) {53            return delegate.returnValueFor(rawType);54        }5556        return getMock(invocation, returnTypeGenericMetadata);57    }5859    private Object getMock(InvocationOnMock invocation, GenericMetadataSupport returnTypeGenericMetadata) throws Throwable {60    	InternalMockHandler<Object> handler = new MockUtil().getMockHandler(invocation.getMock());61    	InvocationContainerImpl container = (InvocationContainerImpl) handler.getInvocationContainer();6263        // matches invocation for verification64        for (StubbedInvocationMatcher stubbedInvocationMatcher : container.getStubbedInvocations()) {65    		if(container.getInvocationForStubbing().matches(stubbedInvocationMatcher.getInvocation())) {66    			return stubbedInvocationMatcher.answer(invocation);67    		}68		}6970        // deep stub71        return recordDeepStubMock(createNewDeepStubMock(returnTypeGenericMetadata), container);72    }7374    /**75     * Creates a mock using the Generics Metadata.76     *77     * <li>Finally as we want to mock the actual type, but we want to pass along the contextual generics meta-data78     * that was resolved for the current return type, for this to happen we associate to the mock an new instance of79     * {@link ReturnsDeepStubs} answer in which we will store the returned type generic metadata.80     *81     * @param returnTypeGenericMetadata The metadata to use to create the new mock.82     * @return The mock83     */84    private Object createNewDeepStubMock(GenericMetadataSupport returnTypeGenericMetadata) {85        return mockitoCore.mock(86                returnTypeGenericMetadata.rawType(),87                withSettingsUsing(returnTypeGenericMetadata)88        );89    }9091    private MockSettings withSettingsUsing(GenericMetadataSupport returnTypeGenericMetadata) {92        MockSettings mockSettings =93                returnTypeGenericMetadata.rawExtraInterfaces().length > 0 ?94                withSettings().extraInterfaces(returnTypeGenericMetadata.rawExtraInterfaces())95                : withSettings();9697        return mockSettings98                .defaultAnswer(returnsDeepStubsAnswerUsing(returnTypeGenericMetadata));99    }100101    private ReturnsDeepStubs returnsDeepStubsAnswerUsing(final GenericMetadataSupport returnTypeGenericMetadata) {102        return new ReturnsDeepStubs() {103            @Override104            protected GenericMetadataSupport actualParameterizedType(Object mock) {105                return returnTypeGenericMetadata;106            }107        };108    }109110    private Object recordDeepStubMock(final Object mock, InvocationContainerImpl container) throws Throwable {111112        container.addAnswer(new Answer<Object>() {113            public Object answer(InvocationOnMock invocation) throws Throwable {114                return mock;115            }116        }, false);117118        return mock;119    }120121    protected GenericMetadataSupport actualParameterizedType(Object mock) {122        CreationSettings mockSettings = (CreationSettings) new MockUtil().getMockHandler(mock).getMockSettings();123        return GenericMetadataSupport.inferFrom(mockSettings.getTypeToMock());124    }125}
...

GenericMetadataSupport

Using AI Code Generation

1    public static Object getMetadata(Object target, String metadataName) {2        Class<?> targetClass = target.getClass();3        Object metadata = null;4        try {5            metadata = GenericMetadataSupport.getMetadata(targetClass, metadataName);6        } catch (Exception e) {7        }8        return metadata;9    }10}11public static Object getMetadata(Object target, String metadataName) {12        Class<?> targetClass = target.getClass();13        Object metadata = null;14        try {15            metadata = GenericMetadataSupport.getMetadata(targetClass, metadataName);16        } catch (Exception e) {17        }18        return metadata;19    }20public static Object getMetadata(Object target, String metadataName) {21        Class<?> targetClass = target.getClass();22        Object metadata = null;23        try {24            metadata = GenericMetadataSupport.getMetadata(targetClass, metadataName);25        } catch (Exception e) {26        }27        return metadata;28    }29public static Object getMetadata(Object target, String metadataName) {30        Class<?> targetClass = target.getClass();31        Object metadata = null;32        try {

GenericMetadataSupport

Using AI Code Generation

1Mockito.mockingDetails(someClass).getMockCreationSettings().getMockName();2Mockito.mockingDetails(someMock).getMockCreationSettings().getMockName();3Mockito.mockingDetails(someClass).getMockCreationSettings().getExtraInterfaces();4Mockito.mockingDetails(someMock).getMockCreationSettings().getExtraInterfaces();5Mockito.mockingDetails(someClass).getMockCreationSettings().getSerializableMode();6Mockito.mockingDetails(someMock).getMockCreationSettings().getSerializableMode();7Mockito.mockingDetails(someClass).getMockCreationSettings().getDefaultAnswer();8Mockito.mockingDetails(someMock).getMockCreationSettings().getDefaultAnswer();9Mockito.mockingDetails(someClass).getMockCreationSettings().getInvocationListeners();10Mockito.mockingDetails(someMock).getMockCreationSettings().getInvocationListeners();11Mockito.mockingDetails(someClass).getMockCreationSettings().getStubbableOngoingMethods();12Mockito.mockingDetails(someMock).getMockCreationSettings().getStubb

GenericMetadataSupport

Using AI Code Generation

1import org.mockito.internal.util.reflection.GenericMetadataSupport;2import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType;3public class TestMockitoGenericType {4    public static void main(String[] args) {5        GenericType genericType = GenericMetadataSupport.getGenericReturnType(6                TestMockitoGenericType.class.getDeclaredMethods()[0]);7        System.out.println(genericType);8    }9    public List<String> getNames() {10        return null;11    }12}13import org.mockito.internal.util.reflection.GenericMetadataSupport;14import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType;15public class TestMockitoGenericType {16    public static void main(String[] args) {17        GenericType genericType = GenericMetadataSupport.getGenericReturnType(18                TestMockitoGenericType.class.getDeclaredMethods()[0]);19        System.out.println(genericType);20    }21    public List<String> getNames() {22        return null;23    }24}

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