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How to use Invocation class of org.mockito.invocation package

Best Mockito code snippet using org.mockito.invocation.Invocation

Source:StaticMockingExperimentTest.java

...18import org.junit.Test;19import org.mockito.exceptions.verification.NoInteractionsWanted;20import org.mockito.exceptions.verification.WantedButNotInvoked;21import org.mockito.exceptions.verification.opentest4j.ArgumentsAreDifferent;22import org.mockito.invocation.Invocation;23import org.mockito.invocation.InvocationFactory;24import org.mockito.invocation.MockHandler;25import org.mockitoutil.TestBase;26/**27 * This test is an experimental use of Mockito API to simulate static mocking.28 * Other frameworks can use it to build good support for static mocking.29 * Keep in mind that clean code never needs to mock static methods.30 * This test is a documentation how it can be done using current public API of Mockito.31 * This test is not only an experiment it also provides coverage for32 * some of the advanced public API exposed for framework integrators.33 * <p>34 * For more rationale behind this experimental test35 * <a href="https://www.linkedin.com/pulse/mockito-vs-powermock-opinionated-dogmatic-static-mocking-faber">see the article</a>.36 */37public class StaticMockingExperimentTest extends TestBase {38    Foo mock = Mockito.mock(Foo.class);39    MockHandler handler = Mockito.mockingDetails(mock).getMockHandler();40    Method staticMethod;41    InvocationFactory.RealMethodBehavior realMethod =42            new InvocationFactory.RealMethodBehavior() {43                @Override44                public Object call() throws Throwable {45                    return null;46                }47            };48    @Before49    public void before() throws Throwable {50        staticMethod = Foo.class.getDeclaredMethod("staticMethod", String.class);51    }52    @SuppressWarnings({"CheckReturnValue", "MockitoUsage"})53    @Test54    public void verify_static_method() throws Throwable {55        // register staticMethod call on mock56        Invocation invocation =57                Mockito.framework()58                        .getInvocationFactory()59                        .createInvocation(60                                mock,61                                withSettings().build(Foo.class),62                                staticMethod,63                                realMethod,64                                "some arg");65        handler.handle(invocation);66        // verify staticMethod on mock67        // Mockito cannot capture static methods so we will simulate this scenario in 3 steps:68        // 1. Call standard 'verify' method. Internally, it will add verificationMode to the thread69        // local state.70        //  Effectively, we indicate to Mockito that right now we are about to verify a method call71        // on this mock.72        verify(mock);73        // 2. Create the invocation instance using the new public API74        //  Mockito cannot capture static methods but we can create an invocation instance of that75        // static invocation76        Invocation verification =77                Mockito.framework()78                        .getInvocationFactory()79                        .createInvocation(80                                mock,81                                withSettings().build(Foo.class),82                                staticMethod,83                                realMethod,84                                "some arg");85        // 3. Make Mockito handle the static method invocation86        //  Mockito will find verification mode in thread local state and will try verify the87        // invocation88        handler.handle(verification);89        // verify zero times, method with different argument90        verify(mock, times(0));91        Invocation differentArg =92                Mockito.framework()93                        .getInvocationFactory()94                        .createInvocation(95                                mock,96                                withSettings().build(Foo.class),97                                staticMethod,98                                realMethod,99                                "different arg");100        handler.handle(differentArg);101    }102    @SuppressWarnings({"CheckReturnValue", "MockitoUsage"})103    @Test104    public void verification_failure_static_method() throws Throwable {105        // register staticMethod call on mock106        Invocation invocation =107                Mockito.framework()108                        .getInvocationFactory()109                        .createInvocation(110                                mock,111                                withSettings().build(Foo.class),112                                staticMethod,113                                realMethod,114                                "foo");115        handler.handle(invocation);116        // verify staticMethod on mock117        verify(mock);118        Invocation differentArg =119                Mockito.framework()120                        .getInvocationFactory()121                        .createInvocation(122                                mock,123                                withSettings().build(Foo.class),124                                staticMethod,125                                realMethod,126                                "different arg");127        try {128            handler.handle(differentArg);129            fail();130        } catch (ArgumentsAreDifferent e) {131        }132    }133    @Test134    public void stubbing_static_method() throws Throwable {135        // register staticMethod call on mock136        Invocation invocation =137                Mockito.framework()138                        .getInvocationFactory()139                        .createInvocation(140                                mock,141                                withSettings().build(Foo.class),142                                staticMethod,143                                realMethod,144                                "foo");145        handler.handle(invocation);146        // register stubbing147        when(null).thenReturn("hey");148        // validate stubbed return value149        assertEquals("hey", handler.handle(invocation));150        assertEquals("hey", handler.handle(invocation));151        // default null value is returned if invoked with different argument152        Invocation differentArg =153                Mockito.framework()154                        .getInvocationFactory()155                        .createInvocation(156                                mock,157                                withSettings().build(Foo.class),158                                staticMethod,159                                realMethod,160                                "different arg");161        assertEquals(null, handler.handle(differentArg));162    }163    @Test164    public void do_answer_stubbing_static_method() throws Throwable {165        // register stubbed return value166        Object ignored = doReturn("hey").when(mock);167        // complete stubbing by triggering an invocation that needs to be stubbed168        Invocation invocation =169                Mockito.framework()170                        .getInvocationFactory()171                        .createInvocation(172                                mock,173                                withSettings().build(Foo.class),174                                staticMethod,175                                realMethod,176                                "foo");177        handler.handle(invocation);178        // validate stubbed return value179        assertEquals("hey", handler.handle(invocation));180        assertEquals("hey", handler.handle(invocation));181        // default null value is returned if invoked with different argument182        Invocation differentArg =183                Mockito.framework()184                        .getInvocationFactory()185                        .createInvocation(186                                mock,187                                withSettings().build(Foo.class),188                                staticMethod,189                                realMethod,190                                "different arg");191        assertEquals(null, handler.handle(differentArg));192    }193    @Test194    public void verify_no_more_interactions() throws Throwable {195        // works for now because there are not interactions196        verifyNoMoreInteractions(mock);197        // register staticMethod call on mock198        Invocation invocation =199                Mockito.framework()200                        .getInvocationFactory()201                        .createInvocation(202                                mock,203                                withSettings().build(Foo.class),204                                staticMethod,205                                realMethod,206                                "foo");207        handler.handle(invocation);208        // fails now because we have one static invocation recorded209        try {210            verifyNoMoreInteractions(mock);211            fail();212        } catch (NoInteractionsWanted e) {213        }214    }215    @Test216    public void stubbing_new() throws Throwable {217        Constructor<Foo> ctr = Foo.class.getConstructor(String.class);218        Method adapter = ConstructorMethodAdapter.class.getDeclaredMethods()[0];219        // stub constructor220        Object ignored = doReturn(new Foo("hey!")).when(mock);221        Invocation constructor =222                Mockito.framework()223                        .getInvocationFactory()224                        .createInvocation(225                                mock,226                                withSettings().build(Foo.class),227                                adapter,228                                realMethod,229                                ctr,230                                "foo");231        handler.handle(constructor);232        // test stubbing233        Object result = handler.handle(constructor);234        assertEquals("foo:hey!", result.toString());235        // stubbing miss236        Invocation differentArg =237                Mockito.framework()238                        .getInvocationFactory()239                        .createInvocation(240                                mock,241                                withSettings().build(Foo.class),242                                adapter,243                                realMethod,244                                ctr,245                                "different arg");246        Object result2 = handler.handle(differentArg);247        assertEquals(null, result2);248    }249    @SuppressWarnings({"CheckReturnValue", "MockitoUsage"})250    @Test251    public void verifying_new() throws Throwable {252        Constructor<Foo> ctr = Foo.class.getConstructor(String.class);253        Method adapter = ConstructorMethodAdapter.class.getDeclaredMethods()[0];254        // invoke constructor255        Invocation constructor =256                Mockito.framework()257                        .getInvocationFactory()258                        .createInvocation(259                                mock,260                                withSettings().build(Foo.class),261                                adapter,262                                realMethod,263                                ctr,264                                "matching arg");265        handler.handle(constructor);266        // verify successfully267        verify(mock);268        handler.handle(constructor);269        // verification failure270        verify(mock);271        Invocation differentArg =272                Mockito.framework()273                        .getInvocationFactory()274                        .createInvocation(275                                mock,276                                withSettings().build(Foo.class),277                                adapter,278                                realMethod,279                                ctr,280                                "different arg");281        try {282            handler.handle(differentArg);283            fail();284        } catch (WantedButNotInvoked e) {285            assertThat(e.getMessage()).contains("matching arg").contains("different arg");286        }287    }288    static class Foo {...

Source:InvocationNotifierHandlerTest.java

...18import org.mockito.Mock;19import org.mockito.Spy;20import org.mockito.exceptions.base.MockitoException;21import org.mockito.internal.creation.MockSettingsImpl;22import org.mockito.invocation.Invocation;23import org.mockito.junit.MockitoJUnitRunner;24import org.mockito.listeners.InvocationListener;25import org.mockito.listeners.MethodInvocationReport;26import org.mockito.mock.MockCreationSettings;27import org.mockito.stubbing.Answer;28@RunWith(MockitoJUnitRunner.class)29@SuppressWarnings("unchecked")30public class InvocationNotifierHandlerTest {31    private static final String SOME_LOCATION = "some location";32    private static final RuntimeException SOME_EXCEPTION = new RuntimeException();33    private static final OutOfMemoryError SOME_ERROR = new OutOfMemoryError();34    private static final Answer<?> SOME_ANSWER = mock(Answer.class);35    @Mock private InvocationListener listener1;36    @Mock private InvocationListener listener2;37    @Spy private CustomListener customListener;38    @Mock private Invocation invocation;39    @Mock private MockHandlerImpl<ArrayList<Answer<?>>> mockHandler;40    private InvocationNotifierHandler<ArrayList<Answer<?>>> notifier;41    @Before42    public void setUp() throws Exception {43        notifier =44                new InvocationNotifierHandler<ArrayList<Answer<?>>>(45                        mockHandler,46                        (MockCreationSettings<ArrayList<Answer<?>>>)47                                new MockSettingsImpl<ArrayList<Answer<?>>>()48                                        .invocationListeners(customListener, listener1, listener2));49    }50    @Test51    public void should_notify_all_listeners_when_calling_delegate_handler() throws Throwable {52        // given53        given(mockHandler.handle(invocation)).willReturn("returned value");54        // when55        notifier.handle(invocation);56        // then57        verify(listener1)58                .reportInvocation(new NotifiedMethodInvocationReport(invocation, "returned value"));59        verify(listener2)60                .reportInvocation(new NotifiedMethodInvocationReport(invocation, "returned value"));61    }62    @Test63    public void should_notify_all_listeners_when_called_delegate_handler_returns_ex()64            throws Throwable {65        // given66        Exception computedException = new Exception("computed");67        given(mockHandler.handle(invocation)).willReturn(computedException);68        // when69        notifier.handle(invocation);70        // then71        verify(listener1)72                .reportInvocation(73                        new NotifiedMethodInvocationReport(invocation, (Object) computedException));74        verify(listener2)75                .reportInvocation(76                        new NotifiedMethodInvocationReport(invocation, (Object) computedException));77    }78    @Test(expected = ParseException.class)79    public void80            should_notify_all_listeners_when_called_delegate_handler_throws_exception_and_rethrow_it()81                    throws Throwable {82        // given83        ParseException parseException = new ParseException("", 0);84        given(mockHandler.handle(invocation)).willThrow(parseException);85        // when86        try {87            notifier.handle(invocation);88            fail();89        } finally {90            // then91            verify(listener1)92                    .reportInvocation(93                            new NotifiedMethodInvocationReport(invocation, parseException));94            verify(listener2)95                    .reportInvocation(96                            new NotifiedMethodInvocationReport(invocation, parseException));97        }98    }99    @Test100    public void should_report_listener_exception() throws Throwable {101        willThrow(new NullPointerException())102                .given(customListener)103                .reportInvocation(any(MethodInvocationReport.class));104        try {105            notifier.handle(invocation);106            fail();107        } catch (MockitoException me) {108            assertThat(me.getMessage())109                    .contains("invocation listener")110                    .contains("CustomListener")111                    .contains("threw an exception")112                    .contains("NullPointerException");113        }114    }115    @Test116    public void should_delegate_all_MockHandlerInterface_to_the_parameterized_MockHandler()117            throws Exception {118        notifier.getInvocationContainer();119        notifier.getMockSettings();120        verify(mockHandler).getInvocationContainer();121        verify(mockHandler).getMockSettings();122    }123    private static class CustomListener implements InvocationListener {124        public void reportInvocation(MethodInvocationReport methodInvocationReport) {125            // nop126        }127    }128}...

Source:MockHandlerImplTest.java

...15import org.mockito.exceptions.base.MockitoException;16import org.mockito.exceptions.misusing.InvalidUseOfMatchersException;17import org.mockito.exceptions.misusing.WrongTypeOfReturnValue;18import org.mockito.internal.creation.MockSettingsImpl;19import org.mockito.internal.invocation.InvocationBuilder;20import org.mockito.internal.invocation.InvocationMatcher;21import org.mockito.internal.invocation.MatchersBinder;22import org.mockito.internal.progress.ArgumentMatcherStorage;23import org.mockito.internal.stubbing.InvocationContainerImpl;24import org.mockito.internal.stubbing.StubbedInvocationMatcher;25import org.mockito.internal.stubbing.answers.Returns;26import org.mockito.internal.verification.VerificationModeFactory;27import org.mockito.invocation.Invocation;28import org.mockito.listeners.InvocationListener;29import org.mockito.listeners.MethodInvocationReport;30import org.mockitoutil.TestBase;31@SuppressWarnings({"unchecked", "serial"})32public class MockHandlerImplTest extends TestBase {33    private StubbedInvocationMatcher stubbedInvocationMatcher =34            mock(StubbedInvocationMatcher.class);35    private Invocation invocation = mock(Invocation.class);36    @Test37    public void should_remove_verification_mode_even_when_invalid_matchers() throws Throwable {38        // given39        Invocation invocation = new InvocationBuilder().toInvocation();40        @SuppressWarnings("rawtypes")41        MockHandlerImpl<?> handler = new MockHandlerImpl(new MockSettingsImpl());42        mockingProgress().verificationStarted(VerificationModeFactory.atLeastOnce());43        handler.matchersBinder =44                new MatchersBinder() {45                    public InvocationMatcher bindMatchers(46                            ArgumentMatcherStorage argumentMatcherStorage, Invocation invocation) {47                        throw new InvalidUseOfMatchersException();48                    }49                };50        try {51            // when52            handler.handle(invocation);53            // then54            fail();55        } catch (InvalidUseOfMatchersException ignored) {56        }57        assertNull(mockingProgress().pullVerificationMode());58    }59    @Test(expected = MockitoException.class)60    public void should_throw_mockito_exception_when_invocation_handler_throws_anything()61            throws Throwable {62        // given63        InvocationListener throwingListener = mock(InvocationListener.class);64        doThrow(new Throwable())65                .when(throwingListener)66                .reportInvocation(any(MethodInvocationReport.class));67        MockHandlerImpl<?> handler = create_correctly_stubbed_handler(throwingListener);68        // when69        handler.handle(invocation);70    }71    @Test(expected = WrongTypeOfReturnValue.class)72    public void should_report_bogus_default_answer() throws Throwable {73        MockSettingsImpl mockSettings = mock(MockSettingsImpl.class);74        MockHandlerImpl<?> handler = new MockHandlerImpl(mockSettings);75        given(mockSettings.getDefaultAnswer()).willReturn(new Returns(AWrongType.WRONG_TYPE));76        @SuppressWarnings("unused") // otherwise cast is not done77        String there_should_not_be_a_CCE_here =78                (String)79                        handler.handle(80                                new InvocationBuilder()81                                        .method(Object.class.getDeclaredMethod("toString"))82                                        .toInvocation());83    }84    private MockHandlerImpl<?> create_correctly_stubbed_handler(85            InvocationListener throwingListener) {86        MockHandlerImpl<?> handler = create_handler_with_listeners(throwingListener);87        stub_ordinary_invocation_with_given_return_value(handler);88        return handler;89    }90    private void stub_ordinary_invocation_with_given_return_value(MockHandlerImpl<?> handler) {91        stub_ordinary_invocation_with_invocation_matcher(handler, stubbedInvocationMatcher);92    }93    private void stub_ordinary_invocation_with_invocation_matcher(94            MockHandlerImpl<?> handler, StubbedInvocationMatcher value) {95        handler.invocationContainer = mock(InvocationContainerImpl.class);96        given(handler.invocationContainer.findAnswerFor(any(Invocation.class))).willReturn(value);97    }98    private MockHandlerImpl<?> create_handler_with_listeners(InvocationListener... listener) {99        @SuppressWarnings("rawtypes")100        MockHandlerImpl<?> handler = new MockHandlerImpl(mock(MockSettingsImpl.class));101        handler.matchersBinder = mock(MatchersBinder.class);102        given(handler.getMockSettings().getInvocationListeners())103                .willReturn(Arrays.asList(listener));104        return handler;105    }106    private static class AWrongType {107        public static final AWrongType WRONG_TYPE = new AWrongType();108    }109}...

Invocation

Using AI Code Generation

1import org.mockito.invocation.Invocation;2import org.mockito.invocation.InvocationOnMock;3import org.mockito.stubbing.Answer;4import static org.mockito.Mockito.mock;5import static org.mockito.Mockito.when;6import static org.mockito.Mockito.doAnswer;7import static org.mockito.Mockito.doNothing;8import static org.mockito.Mockito.doThrow;9import static org.mockito.Mockito.doReturn;10import static org.mockito.Mockito.doCallRealMethod;11import static org.mockito.Mockito.doAnswer;12import static org.mockito.Mockito.verify;13import static org.mockito.Mockito.times;14import static org.mockito.Mockito.spy;15import static org.mockito.Mockito.inOrder;16import static org.mockito.Mockito.verifyNoMoreInteractions;17import static org.mockito.Mockito.verifyZeroInteractions;18import static org.mockito.Mockito.never;19import static org.mockito.Mockito.only;20import static org.mockito.Mockito.ignoreStubs;21import static org.mockito.Mockito.timeout;22import static org.mockito.Mockito.atLeastOnce;23import static org.mockito.Mockito.atLeast;24import static org.mockito.Mockito.atMost;25import static org.mockito.Mockito.after;26import static org.mockito.Mockito.before;27import static org.mockito.Mockito.clearInvocations;28import static org.mockito.Mockito.reset;29import static org.mockito.Mockito.withSettings;30import static org.mockito.Mockito.RETURNS_SMART_NULLS;31import static org.mockito.Mockito.RETURNS_DEEP_STUBS;32import static org.mockito.Mockito.RETURNS_MOCKS;33import static org.mockito.Mockito.RETURNS_DEFAULTS;34import static org.mockito.Mockito.RETURNS_SELF;35import static org.mockito.Mockito.RETURNS_ARG_AT;36import static org.mockito.Mockito.RETURNS_ARG_AT_0;37import static org.mockito.Mockito.RETURNS_ARG_AT_1;38import static org.mockito.Mockito.RETURNS_ARG_AT_2;39import static org.mockito.Mockito.RETURNS_ARG_AT_3;40import static org.mockito.Mockito.RETURNS_ARG_AT_4;41import static org.mockito.Mockito.RETURNS_ARG_AT_5;42import static org.mockito.Mockito.RETURNS_ARG_AT_6;43import static org.mockito.Mockito.RETURNS_ARG_AT_7;44import static org.mockito.Mockito.RETURNS_ARG_AT_8;45import static org.mockito.Mockito.RETURNS_ARG_AT_9;46import static org.mockito.Mockito.RETURNS_ARG_AT_10;47import static org.mockito.Mockito.RETURNS_ARG_AT_11;48import static org.mockito.Mockito.RETURNS_ARG_AT_12;49import static org.mockito.Mockito.RETURNS_ARG_AT_13;50import static org.mockito.Mockito.RETURNS_ARG_AT_

Invocation

Using AI Code Generation

1import org.mockito.invocation.Invocation;2import org.mockito.invocation.InvocationOnMock;3import org.mockito.stubbing.Answer;4import org.mockito.stubbing.Stubber;5import java.util.ArrayList;6import java.util.List;7import static org.mockito.Mockito.doAnswer;8import static org.mockito.Mockito.mock;9import static org.mockito.Mockito.when;10public class InvocationClassExample {11    public static void main(String[] args) {12        List mockedList = mock(ArrayList.class);13        when(mockedList.get(0)).thenReturn("one");14        when(mockedList.get(1)).thenReturn("two");15        System.out.println(mockedList.get(0));16        System.out.println(mockedList.get(1));17        Stubber stubber = doAnswer(new Answer() {18            public Object answer(InvocationOnMock invocation) throws Throwable {19                Invocation invocation1 = (Invocation) invocation;20                System.out.println("Method name: " + invocation1.getMethod().getName());21                System.out.println("Arguments: " + invocation1.getArguments()[0]);22                return null;23            }24        });25        stubber.when(mockedList).get(0);26        stubber.when(mockedList).get(1);27        mockedList.get(0);28        mockedList.get(1);29    }30}

Invocation

Using AI Code Generation

1import org.mockito.invocation.Invocation;2import org.mockito.invocation.InvocationOnMock;3import org.mockito.stubbing.Answer;4import org.mockito.invocation.MockHandler;5import org.mockito.invocation.MockHandlerFactory;6import org.mockito.invocation.MockHandlerInterface;7import org.mockito.invocation.MockAwareVerificationMode;8import org.mockito.invocation.Location;9import org.mockito.invocation.MockitoMethod;10import org.mockito.invocation.MockitoInvocationHandler;11import org.mockito.Mockito;12import org.mockito.MockitoAnnotations;13import org.mockito.Mock;14import org.mockito.Spy;15import org.mockito.Captor;16import org.mockito.ArgumentCaptor;17import org.mockito.InOrder;18import org.mockito.MockSettings;19import org.mockito.MockitoSession;20import org.mockito.MockitoSessionBuilder;21import org.mockito.MockitoSessionLogger;22import org.mockito.MockitoSessionLoggerBase;23import org.mockito.MockitoSessionLoggerFactory;24import org.mockito.MockitoSessionLoggerProvider;25import org.mockito.MockitoSessionBuilder;26import org.mockito.exceptions.base.MockitoException;27import org.mockito.exceptions.base.MockitoInitializationException;28import org.mockito.exceptions.base.MockitoAssertionError;29import org.mockito.exceptions.misusing.*;30import org.mockito.exceptions.verification.*;31import org.mockito.exceptions.verification.junit.ArgumentsAreDifferent;32import org.mockito.exceptions.verification.junit.WantedButNotInvoked;33import org.mockito.exceptions.verification.junit.TooLittleActualInvocations;34import org.mockito.exceptions.verification.junit.TooManyActualInvocations;35import org.mockito.exceptions.verification.junit.NeverWantedButInvoked;36import org.mockito.exceptions.verification.junit.NoInteractionsWanted;37import org.mockito.exceptions.verification.junit.NoInteractionsWanted;38import org.mockito.exceptions.verification.junit.JUnitNoInteractionsWanted;39import org.mockito.exceptions.verification.junit.JUnitNoInteractionsWanted;40import org.mockito.exceptions.verification.junit.ArgumentsAreDifferent;41import org.mockito.exceptions.verification.junit.ArgumentsAreDifferent;42import org.mockito.exceptions.verification.junit.WantedButNotInvoked;43import org.mockito.exceptions.verification.junit.WantedButNotInvoked;44import org.mockito.exceptions.verification.junit.TooLittleActualInvocations;45import org.mockito.exceptions.verification.junit.TooLittleActualInvocations;46import org.mockito.exceptions.verification.junit.TooManyActualInvocations;47import org.mockito.exceptions.verification.junit.TooManyActualInvocations;48import org.mockito.exceptions.verification.junit.NeverWantedButInvoked;49import org.mockito.exceptions.verification.junit.NeverWantedButInvoked;

Invocation

Using AI Code Generation

1import org.mockito.invocation.Invocation;2import org.mockito.invocation.InvocationOnMock;3import org.mockito.stubbing.Answer;4import static org.mockito.Mockito.*;5import static org.junit.Assert.*;6import org.junit.Before;7import org.junit.Test;8public class MockitoTest {9    private Invokable invokable;10    private Invokable spy;11    public void setUp() {12        invokable = mock(Invokable.class);13        spy = spy(new Invokable());14    }15    public void testInvocation() {16        doAnswer(new Answer() {17            public Object answer(InvocationOnMock invocation) throws Throwable {18                Invocation inv = (Invocation) invocation;19                System.out.println("Invoked method: " + inv.getMethod());20                System.out.println("With arguments: " + inv.getArguments());21                return null;22            }23        }).when(invokable).invoke();24        invokable.invoke();25    }26    public void testInvocationOnMock() {27        doAnswer(new Answer() {28            public Object answer(InvocationOnMock invocation) throws Throwable {29                System.out.println("Invoked method: " + invocation.getMethod());30                System.out.println("With arguments: " + invocation.getArguments());31                return null;32            }33        }).when(spy).invoke();34        spy.invoke();35    }36}37import org.mockito.Mockito;38import org.mockito.invocation.Invocation;39import org.mockito.invocation.InvocationOnMock;40import org.mockito.stubbing.Answer;41import static org.mockito.Mockito.*;42import static org.junit.Assert.*;43import org.junit.Before;44import org.junit.Test;45public class MockitoTest {46    private Invokable invokable;47    private Invokable spy;48    public void setUp() {49        invokable = mock(Invokable.class);50        spy = spy(new Invokable());51    }52    public void testInvocation() {53        doAnswer(new Answer() {54            public Object answer(InvocationOnMock invocation) throws Throwable {55                Invocation inv = Mockito.invocation(invocation);56                System.out.println("Invoked method: " + inv.getMethod());57                System.out.println("With arguments: " + inv.getArguments());58                return null;59            }60        }).when(invokable).invoke();61        invokable.invoke();62    }

Invocation

Using AI Code Generation

1import org.mockito.invocation.Invocation;2import org.mockito.stubbing.Answer;3public class 1 {4    public static void main(String[] args) {5        List mock = mock(List.class);6        when(mock.get(anyInt())).thenAnswer(new Answer<String>() {7            public String answer(InvocationOnMock invocation) throws Throwable {8                Object[] args = invocation.getArguments();9                Object mock = invocation.getMock();10                return "foo";11            }12        });13    }14}15Recommended Posts: Mockito - when() method16Mockito - doReturn() method17Mockito - doThrow() method18Mockito - doAnswer() method19Mockito - doNothing() method20Mockito - doCallRealMethod() method21Mockito - @RunWith(MockitoJUnitRunner.class)22Mockito - @RunWith(MockitoJUnitRunner.class)23Mockito - @RunWith(MockitoJUnitRunner.class)24Mockito - @RunWith(MockitoJUnitRunner.class)25Mockito - @RunWith(MockitoJUnitRunner.class)26Mockito - @RunWith(MockitoJUnitRunner.class)27Mockito - @RunWith(MockitoJUnitRunner.class)28Mockito - @RunWith(MockitoJUnitRunner.class)29Mockito - @RunWith(MockitoJUnitRunner.class)

Invocation

Using AI Code Generation

1import org.mockito.invocation.InvocationOnMock;2import org.mockito.stubbing.Answer;3public class TestInvocation implements Answer {4    public Object answer(InvocationOnMock invocation) {5        Object[] args = invocation.getArguments();6        Object mock = invocation.getMock();7        return "called with arguments: " + args;8    }9}10import org.mockito.invocation.InvocationOnMock;11import org.mockito.stubbing.Answer;12public class TestInvocation implements Answer {13    public Object answer(InvocationOnMock invocation) {14        Object[] args = invocation.getArguments();15        Object mock = invocation.getMock();16        return "called with arguments: " + args;17    }18}19import org.mockito.invocation.InvocationOnMock;20import org.mockito.stubbing.Answer;21public class TestInvocationOnMock implements Answer {22    public Object answer(InvocationOnMock invocation) {23        Object[] args = invocation.getArguments();24        Object mock = invocation.getMock();25        return "called with arguments: " + args;26    }27}28import org.mockito.invocation.InvocationOnMock;29import org.mockito.stubbing.Answer;30public class TestInvocationOnMock implements Answer {31    public Object answer(InvocationOnMock invocation) {32        Object[] args = invocation.getArguments();33        Object mock = invocation.getMock();34        return "called with arguments: " + args;35    }36}

Invocation

Using AI Code Generation

1package org.example;2import org.mockito.invocation.Invocation;3import org.mockito.stubbing.Answer;4public class Example {5    public String method() {6        return "Hello World";7    }8    public static void main(String[] args) {9        Example mock = org.mockito.Mockito.mock(Example.class);10        org.mockito.Mockito.when(mock.method()).thenAnswer(new Answer<String>() {11            public String answer(InvocationOnMock invocation) throws Throwable {12                Invocation invocation = invocation.getInvocation();13                return "Hello World";14            }15        });16        System.out.println(mock.method());17    }18}

Invocation

Using AI Code Generation

1package com.automationrhapsody.junit;2import static org.junit.Assert.assertEquals;3import static org.mockito.Mockito.mock;4import static org.mockito.Mockito.when;5import static org.mockito.Mockito.verify;6import java.util.List;7import org.junit.Test;8import org.mockito.invocation.Invocation;9public class MockitoInvocationTest {10    public void testInvocation() {11        List mockedList = mock(List.class);12        when(mockedList.get(0)).thenReturn("first");13        String firstElement = mockedList.get(0).toString();14        assertEquals("first", firstElement);15        Invocation invocation = verify(mockedList).get(0);16        Object[] arguments = invocation.getArguments();17        assertEquals(1, arguments.length);18        assertEquals(0, arguments[0]);19    }20}

Invocation

Using AI Code Generation

1package org.mockito.invocation;2import org.mockito.invocation.Invocation;3public class Test {4    public static void main(String[] args) {5        Invocation invocation = null;6    }7}

Invocation

Using AI Code Generation

1import org.mockito.invocation.Invocation;2import org.mockito.stubbing.Answer;3import static org.mockito.Mockito.*;4import static org.mockito.Matchers.*;5import org.mockito.ArgumentCaptor;6import org.mockito.InOrder;7import org.mockito.exceptions.verification.NoInteractionsWanted;8import org.mockito.exceptions.verification.TooLittleActualInvocations;9import org.mockito.exceptions.verification.TooManyActualInvocations;10import java.util.*;11public class 1 {12public static void main(String[] args) {13List mockedList = mock(List.class);14when(mockedList.get(0)).thenReturn("first");15when(mockedList.get(1)).thenThrow(new RuntimeException());16System.out.println(mockedList.get(0));17System.out.println(mockedList.get(1));18System.out.println(mockedList.get(999));19verify(mockedList).get(0);20}21}22at 1.main(1.java:21)

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