How to use throwsMessage method of org.mockitoutil.ThrowableAssert class

Best Mockito code snippet using org.mockitoutil.ThrowableAssert.throwsMessage

Source:ThrowableAssert.java

...21                    + reportedException.getClass().getSimpleName());22        }23        return this;24    }25    public ThrowableAssert throwsMessage(String exceptionMessage) {26        assertEquals(exceptionMessage, reportedException.getMessage());27        return this;28    }29    /**30     * Executes provided runnable, expects it to throw an exception.31     * Then, it offers ways to assert on the expected exception.32     */33    public static ThrowableAssert assertThat(Runnable runnable) {34        return new ThrowableAssert(runnable);35    }36}...

throwsMessage

Using AI Code Generation

1void testExceptionMessage() {2    Exception exception = assertThrows(UnsupportedOperationException.class, () -> {3        throw new UnsupportedOperationException("Not supported");4    });5    assertEquals("Not supported", exception.getMessage());6}7public void testExceptionMessage() {8    try {9        throw new UnsupportedOperationException("Not supported");10    } catch (UnsupportedOperationException e) {11        assertEquals("Not supported", e.getMessage());12    }13}14public void testExceptionMessage() {15    try {16        throw new UnsupportedOperationException("Not supported");17    } catch (UnsupportedOperationException e) {18        Assert.assertEquals("Not supported", e.getMessage());19    }20}21public void testExceptionMessage() {22    try {23        throw new UnsupportedOperationException("Not supported");24    } catch (UnsupportedOperationException e) {25        AssertJUnit.assertEquals("Not supported", e.getMessage());26    }27}28public void testExceptionMessage() {29    try {30        throw new UnsupportedOperationException("Not supported");31    } catch (UnsupportedOperationException e) {32        AssertJUnit.assertEquals("Not supported", e.getMessage());33    }34}35public void testExceptionMessage() {36    assertThatExceptionOfType(UnsupportedOperationException.class)37        .isThrownBy(() -> {38            throw new UnsupportedOperationException("Not supported");39        }).withMessage("Not supported");40}41public void testExceptionMessage() {42    Exception exception = assertThrows(UnsupportedOperationException.class, () -> {43        throw new UnsupportedOperationException("Not supported");44    });45    assertEquals("Not supported", exception.getMessage());46}

throwsMessage

Using AI Code Generation

1package com.baeldung.mockito;2import static org.junit.Assert.assertEquals;3import static org.mockito.ArgumentMatchers.anyInt;4import static org.mockito.Mockito.mock;5import static org.mockito.Mockito.when;6import java.util.List;7import org.junit.Test;8import org.mockito.Mockito;9public class MockitoExceptionHandlingUnitTest {10    public void whenAdd_thenThrowException() {11        List mockedList = mock(List.class);12        when(mockedList.add(anyInt())).thenThrow(new RuntimeException("add operation is not supported"));13        mockedList.add(1);14    }15    public void whenAdd_thenThrowException2() {16        List mockedList = mock(List.class);17        Mockito.doThrow(new RuntimeException("add operation is not supported")).when(mockedList).add(anyInt());18        mockedList.add(1);19    }20    public void whenAdd_thenThrowException3() {21        List mockedList = mock(List.class);22        Mockito.doThrow(new RuntimeException("add operation is not supported")).when(mockedList).add(anyInt());23        try {24            mockedList.add(1);25        } catch (RuntimeException e) {26            assertEquals("add operation is not supported", e.getMessage());27        }28    }29}30-> at com.baeldung.mockito.MockitoExceptionHandlingUnitTest.whenAdd_thenThrowException(MockitoExceptionHandlingUnitTest.java:20)31    when(mock.isOk()).thenReturn(true);32    when(mock.isOk()).thenThrow(exception);33    doThrow(exception).when(mock).someVoidMethod();34-> at com.baeldung.mockito.MockitoExceptionHandlingUnitTest.whenAdd_thenThrowException(MockitoExceptionHandlingUnitTest.java:20)35    at org.mockito.exceptions.misusing.UnfinishedStubbingException.create(UnfinishedStubbingException.java:28)36    at org.mockito.internal.stubbing.StubbedInvocationMatcher.getAnswer(StubbedInvocationMatcher.java:34)37    at org.mockito.internal.handler.MockHandlerImpl.handle(MockHandlerImpl.java:91)38    at org.mockito.internal.handler.NullResultGuardian.handle(NullResultGuardian.java:29)39    at org.mockito.internal.handler.InvocationNotifierHandler.handle(InvocationNotifierHandler.java:38)40    at org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.doIntercept(MockMethodInterceptor.java:59)

throwsMessage

Using AI Code Generation

1assertThatThrownBy(() -> { throw new Exception("boom!"); })2    .hasMessage("boom!");3assertThatThrownBy(() -> { throw new Exception("boom!"); })4    .hasMessageMatching("b.*");5assertThatThrownBy(() -> { throw new Exception("boom!"); })6    .hasMessageMatching(Pattern.compile("b.*"));7assertThatThrownBy(() -> { throw new Exception("boom!"); })8    .hasMessageMatching("b.*", "boom!");9assertThatThrownBy(() -> { throw new Exception("boom!"); })10    .hasMessageMatching(Pattern.compile("b.*"), "boom!");11assertThatThrownBy(() -> { throw new Exception("boom!"); })12    .hasMessageMatching("b.*", Pattern.compile("boom!"));13assertThatThrownBy(() -> { throw new Exception("boom!"); })14    .hasMessageMatching(Pattern.compile("b.*"), Pattern.compile("boom!"));15assertThatThrownBy(() -> { throw new Exception("boom!"); })16    .hasMessageMatching("b.*", "boom!", "boom!");17assertThatThrownBy(() -> { throw new Exception("boom!"); })18    .hasMessageMatching(Pattern.compile("b.*"), "boom!", "boom!");19assertThatThrownBy(() -> { throw new Exception("boom!"); })20    .hasMessageMatching("b.*", Pattern.compile("boom!"), "boom!");21assertThatThrownBy(() -> { throw new Exception("boom!"); })22    .hasMessageMatching(Pattern.compile("b.*"), Pattern.compile("boom!"), "boom!");

throwsMessage

Using AI Code Generation

1    [javac]   symbol:   method then()2    [javac]         thenThrownBy(() -> mock.foo()).isInstanceOf(RuntimeException.class);3    [javac]   symbol:   method thenThrownBy(org.mockitoutil.ThrowableAssert.ThrowingCallable)4    [javac]         thenThrownBy(() -> mock.foo()).isInstanceOf(RuntimeException.class);5    [javac]   symbol:   method isInstanceOf(Class<RuntimeException>)6    [javac]         thenThrownBy(() -> mock.foo()).hasMessage("timeout");7    [javac]   symbol:   method thenThrownBy(org.mockitoutil.ThrowableAssert.ThrowingCallable)8    [javac]         thenThrownBy(() -> mock.foo()).hasMessage("timeout");9    [javac]   symbol:   method hasMessage(String)

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.