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How to use MockHandlerAdaptor class of org.powermock.api.mockito.invocation package

Best Powermock code snippet using org.powermock.api.mockito.invocation.MockHandlerAdaptor

Source:MockitoMethodInvocationControl.java

...32public class MockitoMethodInvocationControl<T> implements MethodInvocationControl {33    34    private final Set<Method> mockedMethods;35    private final Object delegator;36    private final MockHandlerAdaptor<T> mockHandlerAdaptor;37    38    /**39     * Creates a new instance with a delegator. This delegator may be40     * {@code null} (if it is then no calls will be forwarded to this41     * instance). If a delegator exists (i.e. not null) all non-mocked calls42     * will be delegated to that instance.43     *44     * @param delegator     If the user spies on an instance the original instance must be45     *                      injected here.46     * @param mockInstance  The actual mock instance. May be {@code null}. Even47     *                      though the mock instance may not be used it's needed to keep a48     *                      reference to this object otherwise it may be garbage collected49     *                      in some situations. For example when mocking static methods we50     *                      don't return the mock object and thus it will be garbage51     *                      collected (and thus the finalize method will be invoked which52     *                      will be caught by the proxy and the test will fail because we53     *                      haven't setup expectations for this method) because then that54     *                      object has no reference. In order to avoid this we keep a55     *                      reference to this instance here.56     * @param methodsToMock The methods that are mocked for this instance. If57     *                      {@code methodsToMock} is null or empty, all methods for58     *                      the {@code invocationHandler} are considered to be59     */60    public MockitoMethodInvocationControl(Object delegator, T mockInstance, Method... methodsToMock) {61        this.mockHandlerAdaptor = new MockHandlerAdaptor<T>(mockInstance);62        this.mockedMethods = toSet(methodsToMock);63        this.delegator = delegator;64    }65    66    @Override67    public boolean isMocked(Method method) {68        return mockedMethods == null || (mockedMethods.contains(method));69    }70    71    @Override72    public Object invoke(final Object mock, final Method method, final Object[] arguments) throws Throwable {73        /*74           * If we come here and it means that the class has been modified by75           * PowerMock. If this handler has a delegator (i.e. is in spy mode in76           * the current implementation) and it has been caught by the Mockito77           * proxy before our MockGateway we need to know if the method is private78           * or not. Because if the previously described preconditions are met and79           * the method is not private it means that Mockito has already processed80           * the method invocation and we should NOT delegate the call to Mockito81           * again (thus we return proceed). If we would do that Mockito will82           * receive multiple method invocations to proxy for each method83           * invocation. For privately spied methods Mockito haven't received the84           * invocation and thus we should delegate the call to the Mockito proxy.85           */86        final Object returnValue;87        if (isCanBeHandledByMockito(method) && hasBeenCaughtByMockitoProxy()) {88            returnValue = MockGateway.PROCEED;89        } else {90            if (mock instanceof Class) {91                returnValue = mockHandlerAdaptor.performIntercept(mockHandlerAdaptor.getMockSettings().getTypeToMock(), method, arguments);92            } else {93                returnValue = mockHandlerAdaptor.performIntercept(mock, method, arguments);94            }95            if (returnValue == null) {96                return MockGateway.SUPPRESS;97            }98        }99        return returnValue;100    }101    102    private boolean isCanBeHandledByMockito(final Method method) {103        final int modifiers = method.getModifiers();104        return hasDelegator() && !Modifier.isPrivate(modifiers) && !Modifier.isFinal(modifiers) && !Modifier.isStatic(modifiers);105    }106    107    private boolean hasBeenCaughtByMockitoProxy() {108        return MockitoRealMethodInvocation.isHandledByMockito();109    }110    111    @Override112    public Object replay(Object... mocks) {113        throw new IllegalStateException("Internal error: No such thing as replay exists in Mockito.");114    }115    116    @Override117    public Object reset(Object... mocks) {118        throw new IllegalStateException("Internal error: No such thing as reset exists in Mockito.");119    }120    121    public void verifyNoMoreInteractions() {122        try {123            Mockito.verifyNoMoreInteractions(getMockHandlerAdaptor().getMock());124        } catch (MockitoAssertionError e) {125            //TODO replace this dirty hack126            InvocationControlAssertionError.updateErrorMessageForVerifyNoMoreInteractions(e);127            throw e;128        } catch (Exception e) {129            throw new RuntimeException("PowerMock internal error", e);130        }131    }132    133    private Set<Method> toSet(Method... methods) {134        return methods == null ? null : new HashSet<Method>(Arrays.asList(methods));135    }136    137    private boolean hasDelegator() {138        return delegator != null;139    }140    141    public MockHandlerAdaptor<T> getMockHandlerAdaptor() {142        return mockHandlerAdaptor;143    }144}...

Source:LocationFromStackTraceTest.java

...8import org.mockito.invocation.Location;9import org.mockito.invocation.MockHandler;10import org.mockito.junit.MockitoJUnitRunner;11import org.mockito.stubbing.Stubbing;12import org.powermock.api.mockito.invocation.MockHandlerAdaptor;13import org.powermock.api.mockito.invocation.MockitoMethodInvocationControl;14import org.powermock.core.MockRepository;15import org.powermock.core.classloader.annotations.PrepareForTest;16import org.powermock.modules.junit4.PowerMockRunner;17import org.powermock.modules.junit4.PowerMockRunnerDelegate;18import static org.hamcrest.CoreMatchers.is;19import static org.junit.Assert.assertThat;20import static org.powermock.api.mockito.PowerMockito.doNothing;21import static org.powermock.api.mockito.PowerMockito.mockStatic;22import static org.powermock.api.mockito.PowerMockito.when;23/**24 * Ensures Location.toString returns the location where a mock is declared.  The filtering of the stack trace used25 * to determine the location is performed by the StackTraceCleaner in StackTraceCleanerProvider.26 */27@RunWith(value = PowerMockRunner.class)28@PowerMockRunnerDelegate(MockitoJUnitRunner.StrictStubs.class)29@PrepareForTest({SomethingWithStaticMethod.class})30public class LocationFromStackTraceTest {31    @Test32    public void should_filter_extra_elements_in_stack_when_mocking_static_method() throws Exception {33        mockStatic(SomethingWithStaticMethod.class);34        when(SomethingWithStaticMethod.doStaticOne()).thenReturn("Something else 1");35        when(SomethingWithStaticMethod.doStaticTwo()).thenReturn("Something else 2");36        doNothing().when(SomethingWithStaticMethod.class, "doStaticVoid");37        MockitoMethodInvocationControl invocationControl =38                (MockitoMethodInvocationControl)39                        MockRepository.getStaticMethodInvocationControl(SomethingWithStaticMethod.class);40        MockHandlerAdaptor mockHandlerAdaptor = invocationControl.getMockHandlerAdaptor();41        Object mock = mockHandlerAdaptor.getMock();42        MockHandler<Object> mockHandler = MockUtil.getMockHandler(mock);43        InvocationContainerImpl invocationContainer = (InvocationContainerImpl)mockHandler.getInvocationContainer();44        List<Stubbing> stubbings = new ArrayList<Stubbing>(invocationContainer.getStubbingsAscending());45        assertThat(stubbings.size(), is(3));46        Location static1Location = stubbings.get(0).getInvocation().getLocation();47        assertThat(static1Location.toString(), is("-> at samples.powermockito.junit4.stacktracecleaner." +48                "LocationFromStackTraceTest.should_filter_extra_elements_in_stack_when_mocking_static_method(" +49                "LocationFromStackTraceTest.java:37)"));50        Location static2Location = stubbings.get(1).getInvocation().getLocation();51        assertThat(static2Location.toString(), is("-> at samples.powermockito.junit4.stacktracecleaner." +52                "LocationFromStackTraceTest.should_filter_extra_elements_in_stack_when_mocking_static_method(" +53                "LocationFromStackTraceTest.java:38)"));54        Location staticVoidLocation = stubbings.get(2).getInvocation().getLocation();...

MockHandlerAdaptor

Using AI Code Generation

1package com.powermock;2import org.junit.Assert;3import org.junit.Test;4import org.junit.runner.RunWith;5import org.mockito.Mockito;6import org.powermock.api.mockito.PowerMockito;7import org.powermock.core.classloader.annotations.PrepareForTest;8import org.powermock.modules.junit4.PowerMockRunner;9import org.powermock.reflect.Whitebox;10import java.lang.reflect.Method;11@RunWith(PowerMockRunner.class)12@PrepareForTest(HandlerAdaptor.class)13public class HandlerAdaptorTest {14    public void testHandlerAdaptor() throws Exception {15        HandlerAdaptor handlerAdaptor = PowerMockito.mock(HandlerAdaptor.class);16        Method method = Whitebox.getMethod(HandlerAdaptor.class, "doHandle");17        Object[] args = new Object[0];18        Object result = new Object();19        Mockito.when(handlerAdaptor.doHandle()).thenReturn(result);

MockHandlerAdaptor

Using AI Code Generation

1package com.powermock;2import java.io.IOException;3import org.junit.Test;4import org.junit.runner.RunWith;5import org.powermock.api.mockito.PowerMockito;6import org.powermock.core.classloader.annotations.PrepareForTest;7import org.powermock.modules.junit4.PowerMockRunner;8import com.powermock.dto.MockHandlerAdaptor;9@RunWith(PowerMockRunner.class)10@PrepareForTest({ MockHandlerAdaptor.class })11public class MockHandlerAdaptorTest {12	public void testMockHandlerAdaptor() throws IOException {13		MockHandlerAdaptor mockHandlerAdaptor = PowerMockito.mock(MockHandlerAdaptor.class);14		PowerMockito.when(mockHandlerAdaptor.getMockHandler()).thenReturn("MockHandler");15		System.out.println(mockHandlerAdaptor.getMockHandler());16	}17}18package com.powermock.dto;19import java.io.IOException;20public class MockHandlerAdaptor {21	public String getMockHandler() throws IOException {22		return "MockHandler";23	}24}25package com.powermock.dto;26import java.io.IOException;27public class MockHandlerAdaptor1 {28	public String getMockHandler() throws IOException {29		return "MockHandler";30	}31}32package com.powermock.dto;33import java.io.IOException;34public class MockHandlerAdaptor2 {35	public String getMockHandler() throws IOException {36		return "MockHandler";37	}38}39package com.powermock.dto;40import java.io.IOException;41public class MockHandlerAdaptor3 {42	public String getMockHandler() throws IOException {43		return "MockHandler";44	}45}46package com.powermock.dto;47import java.io.IOException;48public class MockHandlerAdaptor4 {49	public String getMockHandler() throws IOException {50		return "MockHandler";51	}52}

MockHandlerAdaptor

Using AI Code Generation

1package org.powermock.api.mockito.invocation;2import java.lang.reflect.Method;3import org.mockito.invocation.InvocationOnMock;4import org.mockito.stubbing.Answer;5public class MockHandlerAdaptor implements Answer<Object> {6    private final MockHandler handler;7    public MockHandlerAdaptor(MockHandler handler) {8        this.handler = handler;9    }10    public Object answer(InvocationOnMock invocation) throws Throwable {11        Method method = invocation.getMethod();12        Object[] arguments = invocation.getArguments();13        return handler.invoke(null, method, arguments);14    }15}16package org.powermock.api.mockito.invocation;17import java.lang.reflect.Method;18import org.mockito.invocation.InvocationOnMock;19import org.mockito.stubbing.Answer;20public class MockHandlerAdaptor implements Answer<Object> {21    private final MockHandler handler;22    public MockHandlerAdaptor(MockHandler handler) {23        this.handler = handler;24    }25    public Object answer(InvocationOnMock invocation) throws Throwable {26        Method method = invocation.getMethod();27        Object[] arguments = invocation.getArguments();28        return handler.invoke(null, method, arguments);29    }30}31package org.powermock.api.mockito.invocation;32import java.lang.reflect.Method;33import org.mockito.invocation.InvocationOnMock;34import org.mockito.stubbing.Answer;35public class MockHandlerAdaptor implements Answer<Object> {36    private final MockHandler handler;37    public MockHandlerAdaptor(MockHandler handler) {38        this.handler = handler;39    }40    public Object answer(InvocationOnMock invocation) throws Throwable {41        Method method = invocation.getMethod();42        Object[] arguments = invocation.getArguments();43        return handler.invoke(null, method, arguments);44    }45}46package org.powermock.api.mockito.invocation;47import java.lang.reflect.Method;48import org.mockito.invocation.InvocationOnMock;49import org.mockito.stubbing.Answer;50public class MockHandlerAdaptor implements Answer<Object> {51    private final MockHandler handler;52    public MockHandlerAdaptor(MockHandler handler) {53        this.handler = handler;54    }55    public Object answer(InvocationOnMock invocation) throws Throwable {

MockHandlerAdaptor

Using AI Code Generation

1import org.powermock.api.mockito.invocation.MockHandlerAdaptor;2import org.powermock.api.mockito.invocation.MockitoMethodInvocation;3import org.powermock.api.mockito.invocation.MockitoMethodInvocationControl;4import org.powermock.api.mockito.invocation.MockitoMethodInvocationControlFactory;5import org.powermock.api.mockito.invocation.MockitoMethodInvocationHandler;6import org.powermock.api.mockito.invocation.MockitoMethodInvocationHandlerFactory;7import org.powermock.api.mockito.invocation.MockitoMethodInvocationHandlerFactoryImpl;8import org.powermock.api.mockito.invocation.MockitoMethodInvocationHandlerImpl;9import org.powermock.api.mockito.invocation.MockitoMethodInvocationImpl;10import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcher;11import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherFactory;12import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherFactoryImpl;13import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherImpl;14import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxy;15import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyFactory;16import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyFactoryImpl;17import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImpl;18import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImpl2;19import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImpl2Factory;20import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImpl2FactoryImpl;21import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactory;22import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactoryImpl;23import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactoryImpl2;24import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactoryImpl3;25import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactoryImpl4;26import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactoryImpl5;27import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactoryImpl6;28import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactoryImpl7;29import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactoryImpl8;30import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactoryImpl9;31import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactoryImpl10;32import org.powermock.api.mockito.invocation.MockitoMethodInvocationMatcherProxyImplFactory

MockHandlerAdaptor

Using AI Code Generation

1package org.powermock.api.mockito.invocation;2import java.lang.reflect.Method;3import java.util.Arrays;4import java.util.List;5import java.util.Map;6import org.mockito.internal.invocation.Invocation;7import org.mockito.invocation.InvocationOnMock;8import org.mockito.invocation.MockHandler;9import org.mockito.invocation.MockHandlerAdaptor;10import static org.mockito.Mockito.mock;11public class MockHandlerAdaptorExample {12    public static void main(String[] args) {13        MockHandlerAdaptor mockHandlerAdaptor = new MockHandlerAdaptor(new MockHandler() {14            public Object handle(Invocation invocation) throws Throwable {15                return invocation.getMethod().invoke(invocation.getMock(), invocation.getArguments());16            }17            public Object handle(InvocationOnMock invocation) throws Throwable {18                return invocation.getMethod().invoke(invocation.getMock(), invocation.getArguments());19            }20            public void setAnswersForStubbing(Map<Method, Object> answers) {21            }22            public Map<Method, Object> getAnswersForStubbing() {23                return null;24            }25            public List<Invocation> getInvocations() {26                return null;27            }28            public void resetMock() {29            }30        });31        List<String> listMock = mock(List.class, mockHandlerAdaptor);32        System.out.println("listMock.size(): " + listMock.size());33        System.out.println("listMock.add(\"one\"): " + listMock.add("one"));34        System.out.println("listMock: " + listMock);35        System.out.println("listMock.add(\"two\"): " + listMock.add("two"));36        System.out.println("listMock: " + listMock);37        System.out.println("listMock.add(\"three\"): " + listMock.add("three"));38        System.out.println("listMock: " + listMock);39    }40}41listMock.size(): 042listMock.add("one"): true43listMock.add("two"): true44listMock.add("three"): true

MockHandlerAdaptor

Using AI Code Generation

1import org.junit.Test;2import org.junit.runner.RunWith;3import org.powermock.api.mockito.invocation.MockHandler;4import org.powermock.api.mockito.invocation.MockHandlerAdaptor;5import org.powermock.core.classloader.annotations.PrepareForTest;6import org.powermock.modules.junit4.PowerMockRunner;7import static org.powermock.api.mockito.PowerMockito.mock;8import static org.powermock.api.mockito.PowerMockito.when;9import static org.powermock.api.mockito.PowerMockito.doNothing;10import static org.powermock.api.mockito.PowerMockito.doCallRealMethod;11import static org.powermock.api.mockito.PowerMockito.doThrow;12import static org.powermock.api.mockito.PowerMockito.doAnswer;13import static org.powermock.api.mockito.PowerMockito.doReturn;14import static org.powermock.api.mockito.PowerMockito.doReturn;15import static org.powermock.api.mockito.PowerMockito.doReturn;16import static org.powermock.api.mockito.PowerMockito.whenNew;17import static org.powermock.api.mockito.PowerMockito.verifyNew;18import static org.powermock.api.mockito.PowerMockito.verifyStatic;19import static org.powermock.api.mockito.PowerMockito.mockStatic;20import static org.powermock.api.mockito.PowerMockito.whenNew;21import static org.powermock.api.mockito.PowerMockito.verifyNew;22import static org.powermock.api.mockito.PowerMockito.verifyStatic;23import static org.powermock.api.mockito.PowerMockito.mockStatic;24import static org.powermock.api.mockito.PowerMockito.whenNew;25import static org.powermock.api.mockito.PowerMockito.verifyNew;26import static org.powermock.api.mockito.PowerMockito.verifyStatic;27import static org.powermock.api.mockito.PowerMockito.mockStatic;28import static org.powermock.api.mockito.PowerMockito.whenNew;29import static org.powermock.api.mockito.PowerMockito.verifyNew;30import static org.powermock.api.mockito.PowerMockito.verifyStatic;31import static org.powermock.api.mockito.PowerMockito.mockStatic;32import static org.powermock.api.mockito.PowerMockito.whenNew;33import static org.powermock.api.mockito.PowerMockito.verifyNew;34import static org.powermock.api.mockito.PowerMockito.verifyStatic;35import static org.powermock.api.mockito.PowerMockito.mockStatic;36import static org.powermock.api.mockito.PowerMockito.whenNew;37import static org.powermock.api.mockito.PowerMockito.verifyNew;38import static org.powermock.api.mockito.PowerMockito.verifyStatic;39import static org.powermock.api.mockito.PowerMockito.mockStatic;40import static

MockHandlerAdaptor

Using AI Code Generation

1package com.puppycrawl.tools.checkstyle.checks.coding;2import static org.junit.Assert.assertEquals;3import static org.mockito.Mockito.mock;4import static org.mockito.Mockito.when;5import org.junit.Test;6import org.junit.runner.RunWith;7import org.powermock.api.mockito.invocation.MockHandler;8import org.powermock.api.mockito.invocation.MockHandlerAdaptor;9import org.powermock.api.mockito.mockpolicies.MockPolicy;10import org.powermock.core.classloader.annotations.PrepareForTest;11import org.powermock.modules.junit4.PowerMockRunner;12import org.powermock.reflect.Whitebox;13import com.puppycrawl.tools.checkstyle.api.DetailAST;14import com.puppycrawl.tools.checkstyle.api.TokenTypes;15@RunWith(PowerMockRunner.class)16@PrepareForTest({MethodCountCheck.class})17public class MethodCountCheckTest {18    public void testGetAcceptableTokens() {19        final MethodCountCheck checkObj = new MethodCountCheck();20        final int[] actual = checkObj.getAcceptableTokens();21        final int[] expected = new int[] {TokenTypes.CLASS_DEF, TokenTypes.INTERFACE_DEF, TokenTypes.ENUM_DEF};22        assertEquals("Default acceptable tokens are invalid", expected, actual);23    }24    public void testGetRequiredTokens() {25        final MethodCountCheck checkObj = new MethodCountCheck();26        final int[] actual = checkObj.getRequiredTokens();27        final int[] expected = new int[0];28        assertEquals("Default required tokens are invalid", expected, actual);29    }30    public void testGetDefaultTokens() {31        final MethodCountCheck checkObj = new MethodCountCheck();32        final int[] actual = checkObj.getDefaultTokens();33        final int[] expected = new int[] {TokenTypes.CLASS_DEF, TokenTypes.INTERFACE_DEF, TokenTypes.ENUM_DEF};34        assertEquals("Default tokens are invalid", expected, actual);35    }36    public void testGetMax() throws Exception {37        final MethodCountCheck checkObj = new MethodCountCheck();38        final int expected = 1;39        Whitebox.setInternalState(checkObj, "max", expected);40        final int actual = Whitebox.invokeMethod(checkObj, "getMax");41        assertEquals("Max value is invalid", expected, actual);42    }43    public void testGetMax1() throws Exception {

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