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

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

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...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} ...

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GenericMetadataSupport

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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 {

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GenericMetadataSupport

Using AI Code Generation

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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

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GenericMetadataSupport

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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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StackOverFlow community discussions

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WebApplicationContext doesn&#39;t autowire

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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