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How to use NullInsteadOfMockException method of org.mockito.exceptions.misusing.WrongTypeOfReturnValue class

Best Mockito code snippet using org.mockito.exceptions.misusing.WrongTypeOfReturnValue.NullInsteadOfMockException

Source:Reporter.java

...10import org.mockito.exceptions.base.MockitoException;11import org.mockito.exceptions.misusing.InvalidUseOfMatchersException;12import org.mockito.exceptions.misusing.MissingMethodInvocationException;13import org.mockito.exceptions.misusing.NotAMockException;14import org.mockito.exceptions.misusing.NullInsteadOfMockException;15import org.mockito.exceptions.misusing.UnfinishedStubbingException;16import org.mockito.exceptions.misusing.UnfinishedVerificationException;17import org.mockito.exceptions.misusing.WrongTypeOfReturnValue;18import org.mockito.exceptions.verification.ArgumentsAreDifferent;19import org.mockito.exceptions.verification.NeverWantedButInvoked;20import org.mockito.exceptions.verification.NoInteractionsWanted;21import org.mockito.exceptions.verification.SmartNullPointerException;22import org.mockito.exceptions.verification.TooLittleActualInvocations;23import org.mockito.exceptions.verification.TooManyActualInvocations;24import org.mockito.exceptions.verification.VerificationInOrderFailure;25import org.mockito.exceptions.verification.WantedButNotInvoked;26import org.mockito.exceptions.verification.junit.JUnitTool;27import org.mockito.internal.debugging.Location;28import org.mockito.internal.exceptions.VerificationAwareInvocation;29import org.mockito.internal.exceptions.util.ScenarioPrinter;30import org.mockito.internal.invocation.Invocation;31/**32 * Reports verification and misusing errors.33 * <p>34 * One of the key points of mocking library is proper verification/exception35 * messages. All messages in one place makes it easier to tune and amend them.36 * <p>37 * Reporter can be injected and therefore is easily testable.38 * <p>39 * Generally, exception messages are full of line breaks to make them easy to40 * read (xunit plugins take only fraction of screen on modern IDEs).41 */42public class Reporter {43    public void checkedExceptionInvalid(Throwable t) {44        throw new MockitoException(join(45                "Checked exception is invalid for this method!",46                "Invalid: " + t47                ));48    }49    public void cannotStubWithNullThrowable() {50        throw new MockitoException(join(51                "Cannot stub with null throwable!"52                ));53    }54    55    public void unfinishedStubbing(Location location) {56        throw new UnfinishedStubbingException(join(57                "Unfinished stubbing detected here:",58                location,59                "",60                "E.g. thenReturn() may be missing.",61                "Examples of correct stubbing:",62                "    when(mock.isOk()).thenReturn(true);",63                "    when(mock.isOk()).thenThrow(exception);",64                "    doThrow(exception).when(mock).someVoidMethod();",65                "Hints:",66                " 1. missing thenReturn()",67                " 2. although stubbed methods may return mocks, you cannot inline mock creation (mock()) call inside a thenReturn method (see issue 53)",68                ""69        ));70    }71    public void missingMethodInvocation() {72        throw new MissingMethodInvocationException(join(73                "when() requires an argument which has to be 'a method call on a mock'.",74                "For example:",75                "    when(mock.getArticles()).thenReturn(articles);",76                "",77                "Also, this error might show up because:",78                "1. you stub either of: final/private/equals()/hashCode() methods.",79                "   Those methods *cannot* be stubbed/verified.",80                "2. inside when() you don't call method on mock but on some other object."81        ));82    }83    public void unfinishedVerificationException(Location location) {84        UnfinishedVerificationException exception = new UnfinishedVerificationException(join(85                "Missing method call for verify(mock) here:",86                location,87                "",88                "Example of correct verification:",89                "    verify(mock).doSomething()",90                "",91                "Also, this error might show up because you verify either of: final/private/equals()/hashCode() methods.",92                "Those methods *cannot* be stubbed/verified.",93                ""94        ));95        96        throw exception;97    }98    99    public void notAMockPassedToVerify() {100        throw new NotAMockException(join(101                "Argument passed to verify() is not a mock!",102                "Examples of correct verifications:",103                "    verify(mock).someMethod();",104                "    verify(mock, times(10)).someMethod();",105                "    verify(mock, atLeastOnce()).someMethod();"106        ));107    }108    109    public void nullPassedToVerify() {110        throw new NullInsteadOfMockException(join(111                "Argument passed to verify() should be a mock but is null!",112                "Examples of correct verifications:",113                "    verify(mock).someMethod();",114                "    verify(mock, times(10)).someMethod();",115                "    verify(mock, atLeastOnce()).someMethod();",116                "Also, if you use @Mock annotation don't miss initMocks()"117        ));118    }    119    120    public void notAMockPassedToWhenMethod() {121        throw new NotAMockException(join(122                "Argument passed to when() is not a mock!",123                "Example of correct stubbing:",124                "    doThrow(new RuntimeException()).when(mock).someMethod();"125        ));126    }127    128    public void nullPassedToWhenMethod() {129        throw new NullInsteadOfMockException(join(130                "Argument passed to when() is null!",131                "Example of correct stubbing:",132                "    doThrow(new RuntimeException()).when(mock).someMethod();",                133                "Also, if you use @Mock annotation don't miss initMocks()"134        ));135    }136    137    public void mocksHaveToBePassedToVerifyNoMoreInteractions() {138        throw new MockitoException(join(139                "Method requires argument(s)!",140                "Pass mocks that should be verified, e.g:",141                "    verifyNoMoreInteractions(mockOne, mockTwo);",142                "    verifyZeroInteractions(mockOne, mockTwo);"143                ));144    }145    public void notAMockPassedToVerifyNoMoreInteractions() {146        throw new NotAMockException(join(147            "Argument(s) passed is not a mock!",148            "Examples of correct verifications:",149            "    verifyNoMoreInteractions(mockOne, mockTwo);",150            "    verifyZeroInteractions(mockOne, mockTwo);"151        ));152    }153    154    public void nullPassedToVerifyNoMoreInteractions() {155        throw new NullInsteadOfMockException(join(156                "Argument(s) passed is null!",157                "Examples of correct verifications:",158                "    verifyNoMoreInteractions(mockOne, mockTwo);",159                "    verifyZeroInteractions(mockOne, mockTwo);"160        ));161    }162    public void notAMockPassedWhenCreatingInOrder() {163        throw new NotAMockException(join(164                "Argument(s) passed is not a mock!",165                "Pass mocks that require verification in order.",166                "For example:",167                "    InOrder inOrder = inOrder(mockOne, mockTwo);"168                ));169    } 170    171    public void nullPassedWhenCreatingInOrder() {172        throw new NullInsteadOfMockException(join(173                "Argument(s) passed is null!",174                "Pass mocks that require verification in order.",175                "For example:",176                "    InOrder inOrder = inOrder(mockOne, mockTwo);"177                ));178    }179    180    public void mocksHaveToBePassedWhenCreatingInOrder() {181        throw new MockitoException(join(182                "Method requires argument(s)!",183                "Pass mocks that require verification in order.",184                "For example:",185                "    InOrder inOrder = inOrder(mockOne, mockTwo);"186                ));...

NullInsteadOfMockException

Using AI Code Generation

1import org.mockito.exceptions.misusing.WrongTypeOfReturnValue;2public class NullInsteadOfMockExceptionExample {3    public static void main(String[] args) {4            new WrongTypeOfReturnValue("message", new NullPointerException());5        System.out.println(exception.getMessage());6        System.out.println(exception.getCause());7    }8}

NullInsteadOfMockException

Using AI Code Generation

1    List<String> mockedList = mock(List.class);2    when(mockedList.get(0)).thenReturn(null);3    mockedList.get(0);4    new NullInsteadOfMockException().returnValue();5    List<String> mockedList = mock(List.class);6    when(mockedList.get(0)).thenReturn(null);7    mockedList.get(0);8    new MockitoException("message").getMessage();9    List<String> mockedList = mock(List.class);10    when(mockedList.get(0)).thenReturn(null);11    mockedList.get(0);12    new MockitoException("message", new Throwable()).getMessage();13    List<String> mockedList = mock(List.class);14    when(mockedList.get(0)).thenReturn(null);15    mockedList.get(0);16    new MockitoException("message", new Throwable()).getCause();17    List<String> mockedList = mock(List.class);18    when(mockedList.get(0)).thenReturn(null);19    mockedList.get(0);20    new MockitoException("message", new Throwable()).printStackTrace();21    List<String> mockedList = mock(List.class);

NullInsteadOfMockException

Using AI Code Generation

1    public void test() {2        when(mock.get(0)).thenReturn(null);3        String value = mock.get(0);4        assertNull(value);5    }6    public void test2() {7        when(mock.get(0)).thenReturn(null);8        String value = mock.get(0);9        assertNull(value);10    }11}12package org.mockitousage.exceptions;13import org.junit.Test;14import org.mockito.exceptions.misusing.WrongTypeOfReturnValue;15import org.mockitousage.IMethods;16import org.mockitoutil.TestBase;17import static org.mockito.Mockito.*;18public class MockitoTest extends TestBase {19    IMethods mock = mock(IMethods.class);20    @Test(expected = WrongTypeOfReturnValue.class)21    public void test() {22        when(mock.get(0)).thenReturn(null);23        String value = mock.get(0);24        assertNull(value);25    }26}27package org.mockitousage.exceptions;28import org.junit.Test;29import org.mockito.exceptions.misusing.NullInsteadOfMockException

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