KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use catchThrowable method of org.assertj.core.api.Java6Assertions class

Best Assertj code snippet using org.assertj.core.api.Java6Assertions.catchThrowable

Source:VerifyZeroInteractionsTest.java

...25import samples.Service;26import samples.singleton.StaticExample;27import static org.assertj.core.api.Java6Assertions.assertThat;28import static org.assertj.core.api.Java6Assertions.assertThatThrownBy;29import static org.assertj.core.api.Assertions.catchThrowable;30import static org.powermock.api.mockito.PowerMockito.mock;31import static org.powermock.api.mockito.PowerMockito.mockStatic;32import static org.powermock.api.mockito.PowerMockito.verifyZeroInteractions;33@RunWith(PowerMockRunner.class)34@PrepareForTest(StaticExample.class)35public class VerifyZeroInteractionsTest {36    37    @Test38    public void should_throw_verification_exception_in_case_if_static_method_is_called() {39        mockStatic(StaticExample.class);40        41        StaticExample.staticMethodReturningString();42        43        assertThatThrownBy(new ThrowingCallable() {44            @Override45            public void call() throws Throwable {46                verifyZeroInteractions(StaticExample.class);47            }48        }).as("Verify Exception is thrown.")49          .isInstanceOf(NoInteractionsWanted.class)50          .hasMessageContaining("No interactions");51    }52    53    @Test54    public void should_throw_verification_exception_in_case_if_instance_method_called() {55        final Service mock = mock(Service.class);56        57        mock.getServiceMessage();58        59        assertThatThrownBy(new ThrowingCallable() {60            @Override61            public void call() throws Throwable {62                verifyZeroInteractions(mock);63            }64        }).as("Verify Exception is thrown.")65          .isInstanceOf(NoInteractionsWanted.class)66          .hasMessageContaining("No interactions");67    }68    69    @Test70    public void should_not_throw_verification_exception_in_case_if_no_methods_are_called_for_static_mock() {71        mockStatic(StaticExample.class);72        73        final Throwable throwable = catchThrowable(new ThrowingCallable() {74            @Override75            public void call() throws Throwable {76                verifyZeroInteractions(StaticExample.class);77            }78        });79        80        assertThat(throwable)81            .as("Verify Exception is not thrown.")82            .isNull();83    }84    85    @Test86    public void should_not_throw_verification_exception_in_case_if_no_methods_are_called_for_instance_mock() {87        final Service mock = mock(Service.class);88    89        final Throwable throwable = catchThrowable(new ThrowingCallable() {90            @Override91            public void call() throws Throwable {92                verifyZeroInteractions(mock);93            }94        });95    96        assertThat(throwable)97            .as("Verify Exception is not thrown.")98            .isNull();99    }100    101}...

Source:MyBlockingQueueTest.java

2import org.junit.jupiter.api.Test;3import org.mockito.internal.util.reflection.Whitebox;4import java.util.concurrent.BlockingQueue;5import static org.assertj.core.api.Java6Assertions.assertThat;6import static org.assertj.core.api.Java6Assertions.catchThrowable;7public class MyBlockingQueueTest {8    private BlockingQueue<Integer> blockingQueue = new MyBlockingQueue<>(2);9    @Test10    void shouldThrowNullPointerWhenTryToAddNull() {11        //when12        Throwable throwable = catchThrowable(() -> blockingQueue.add(null));13        //then14        assertThat(throwable).isNotNull();15        assertThat(throwable).isInstanceOf(NullPointerException.class);16    }17    @Test18    void shouldThrowIllegalStateWhenTryToAddAtMaximumCapacity() {19        //given20        blockingQueue.add(2);21        blockingQueue.add(3);22        //when23        Throwable throwable = catchThrowable(() -> blockingQueue.add(4));24        //then25        assertThat(throwable).isNotNull();26        assertThat(throwable).isInstanceOf(IllegalStateException.class);27    }28    @Test29    void shouldAddElementsToQueue() {30        //when31        boolean add = blockingQueue.add(2);32        //then33        Object[] items = (Object[]) Whitebox.getInternalState(blockingQueue, "items");34        Object addIndex = Whitebox.getInternalState(blockingQueue, "addIndex");35        assertThat(add).isEqualTo(true);36        assertThat(items).isNotNull();37        assertThat(addIndex).isEqualTo(1);...

Source:RatingTest.java

1package ks.sample.review.system.domain;2import org.junit.Test;3import ks.sample.review.system.domain.Rating;4import static org.assertj.core.api.Java6Assertions.assertThat;5import static org.assertj.core.api.Java6Assertions.catchThrowable;6public class RatingTest {7    @Test8    public void should_CreateNewRating() throws Exception {9        Rating rating = new Rating(3);10        assertThat(rating.getRating()).isEqualTo(3);11    }12    @Test13    public void should_ThrowException_IfRatingIsTooLow() throws Exception {14        Throwable throwable = catchThrowable(() -> new Rating(-1));15        assertThat(throwable)16                .isInstanceOf(IllegalArgumentException.class)17                .hasMessage("Rating must be between 0 and 5, but was: -1");18    }19    @Test20    public void should_ThrowException_IfRatingIsTooHigh() throws Exception {21        Throwable throwable = catchThrowable(() -> new Rating(6));22        assertThat(throwable)23                .isInstanceOf(IllegalArgumentException.class)24                .hasMessage("Rating must be between 0 and 5, but was: 6");25    }26    @Test27    public void should_ByEqual_IfIntegerValueIsEqual() throws Exception {28        Rating rating1 = new Rating(3);29        Rating rating2 = new Rating(3);30        assertThat(rating1).isEqualTo(rating2);31    }32}...

catchThrowable

Using AI Code Generation

1import org.assertj.core.api.Java6Assertions;2import org.junit.Test;3import static org.assertj.core.api.Java6Assertions.*;4public class Java6AssertionsCatchThrowableTest {5    public void testCatchThrowable() {6        Throwable throwable = catchThrowable(() -> {7            throw new Exception("exception");8        });9        assertThat(throwable).isInstanceOf(Exception.class).hasMessage("exception");10    }11}12	at org.junit.Assert.assertEquals(Assert.java:115)13	at org.junit.Assert.assertEquals(Assert.java:144)14	at Java6AssertionsCatchThrowableTest.testCatchThrowable(Java6AssertionsCatchThrowableTest.java:13)15import org.assertj.core.api.Java6Assertions;16import org.junit.Test;17import static org.assertj.core.api.Java6Assertions.*;18public class Java6AssertionsAssertThatThrownByTest {19    public void testAssertThatThrownBy() {20        assertThatThrownBy(() -> {21            throw new Exception("exception");22        }).isInstanceOf(Exception.class).hasMessage("exception");23    }24}25	at org.junit.Assert.assertEquals(Assert.java:115)26	at org.junit.Assert.assertEquals(Assert.java:144)27	at Java6AssertionsAssertThatThrownByTest.testAssertThatThrownBy(Java6AssertionsAssertThatThrownByTest.java:13)28import org.assertj.core.api.Java6Assertions;29import org.junit.Test;30import static org.assertj.core.api.Java6Assertions.*;31public class Java6AssertionsAssertThatCodeTest {

catchThrowable

Using AI Code Generation

1import static org.assertj.core.api.Java6Assertions.catchThrowable;2import org.junit.Test;3public class AssertJTest {4	public void testCatchThrowable() {5		Throwable thrown = catchThrowable(() -> {6			throw new Exception("test");7		});8		System.out.println(thrown.getMessage());9	}10}11import static org.assertj.core.api.Java6Assertions.catchThrowable;12import org.junit.Test;13public class AssertJTest {14	public void testCatchThrowable() {15		Throwable thrown = catchThrowable(() -> {16			throw new Exception("test");17		});18		System.out.println(thrown.getMessage());19	}20}21import static org.assertj.core.api.Java6Assertions.catchThrowable;22import org.junit.Test;23public class AssertJTest {24	public void testCatchThrowable() {25		Throwable thrown = catchThrowable(() -> {26			throw new Exception("test");27		});28		System.out.println(thrown.getMessage());29	}30}31import static org.assertj.core.api.Java6Assertions.catchThrowable;32import org.junit.Test;33public class AssertJTest {34	public void testCatchThrowable() {35		Throwable thrown = catchThrowable(() -> {36			throw new Exception("test");37		});38		System.out.println(thrown.getMessage());39	}40}41import static org.assertj.core.api.Java6Assertions.catchThrowable;42import org.junit.Test;43public class AssertJTest {44	public void testCatchThrowable() {45		Throwable thrown = catchThrowable(() -> {46			throw new Exception("test");47		});48		System.out.println(thrown.getMessage());49	}50}51import static org.assertj.core.api.Java6Assertions.catchThrowable;52import org.junit.Test;53public class AssertJTest {54	public void testCatchThrowable() {55		Throwable thrown = catchThrowable(() -> {

catchThrowable

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Java6Assertions.*;3public class Test1 {4   public void test1() {5      Throwable thrown = catchThrowable(() -> {6         throw new Exception("boom!");7      });8      assertThat(thrown).hasMessage("boom!");9   }10}11import org.junit.Test;12import static org.assertj.core.api.Assertions.*;13public class Test2 {14   public void test1() {15      Throwable thrown = catchThrowable(() -> {16         throw new Exception("boom!");17      });18      assertThat(thrown).hasMessage("boom!");19   }20}21import org.junit.Test;22import static org.assertj.core.api.Assertions.*;23public class Test3 {24   public void test1() {25      Throwable thrown = Assertions.catchThrowable(() -> {26         throw new Exception("boom!");27      });28      assertThat(thrown).hasMessage("boom!");29   }30}31import org.junit.Test;32import static org.assertj.core.api.Assertions.*;33public class Test4 {34   public void test1() {35      Throwable thrown = org.assertj.core.api.Assertions.catchThrowable(() -> {36         throw new Exception("boom!");37      });38      assertThat(thrown).hasMessage("boom!");39   }40}41import org.junit.Test;42import static org.assertj.core.api.Assertions.*;43public class Test5 {44   public void test1() {45      Throwable thrown = org.assertj.core.api.Assertions.catchThrowable(() -> {46         throw new Exception("boom!");47      });48      assertThat(thrown).hasMessage("boom!");49   }50}

catchThrowable

Using AI Code Generation

1import org.assertj.core.api.Java6Assertions;2import org.junit.Assert;3import org.junit.Test;4public class TestClass {5    public void test1() {6        Throwable thrown = Java6Assertions.catchThrowable(() -> {7            throw new RuntimeException("Exception");8        });9        Assert.assertEquals(thrown.getMessage(), "Exception");10    }11}12at org.junit.Assert.fail(Assert.java:88)13at org.junit.Assert.failNotEquals(Assert.java:834)14at org.junit.Assert.assertEquals(Assert.java:645)15at org.junit.Assert.assertEquals(Assert.java:631)16at TestClass.test1(TestClass.java:15)17at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)18at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)19at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)20at java.lang.reflect.Method.invoke(Method.java:498)21at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)22at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)23at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)24at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)25at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)26at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)27at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)28at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)29at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)30at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)31at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)32at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)33at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)34at org.junit.runners.ParentRunner.run(ParentRunner.java:363)35at org.junit.runner.JUnitCore.run(JUnitCore.java:137)36at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTest

catchThrowable

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Java6Assertions.*;3public class Java6AssertionsDemo {4	public void testAssertJ() {5		Throwable thrown = catchThrowable(() -> {6			throw new Exception("boom!");7		});8		assertThat(thrown).isInstanceOf(Exception.class).hasMessage("boom!");9	}10}11	at org.junit.Assert.assertEquals(Assert.java:115)12	at org.junit.Assert.assertEquals(Assert.java:144)13	at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:84)14	at org.assertj.core.api.Java6AssertionsDemo.testAssertJ(Java6AssertionsDemo.java:12)15import org.junit.Test;16import static org.assertj.core.api.Java6Assertions.*;17public class Java6AssertionsDemo {18	public void testAssertJ() {19		assertThatThrownBy(() -> {20			throw new Exception("boom!");21		}).isInstanceOf(Exception.class).hasMessage("boom!");22	}23}24	at org.junit.Assert.assertEquals(Assert.java:115)25	at org.junit.Assert.assertEquals(Assert.java:144)26	at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:84)27	at org.assertj.core.api.Java6AssertionsDemo.testAssertJ(Java6AssertionsDemo.java:12)28import org.junit.Test;29import static org.assertj.core.api.Assertions.*;30public class Java6AssertionsDemo {31	public void testAssertJ() {32		assertThatExceptionOfType(Exception.class).isThrownBy(() -> {33			throw new Exception("boom!");34		}).withMessage("boom!");35	}36}37	at org.junit.Assert.assertEquals(Assert.java:115)38	at org.junit.Assert.assertEquals(Assert.java:144)39	at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:84)

catchThrowable

Using AI Code Generation

1import static org.assertj.core.api.Java6Assertions.catchThrowable;2import org.assertj.core.api.ThrowableAssert.ThrowingCallable;3import java.io.*;4import java.util.*;5public class Demo{6  public static void main(String[] args) {7    ThrowingCallable callable = new ThrowingCallable() {8      public void call() throws Throwable {9        throw new IOException("exception");10      }11    };12    Throwable thrown = catchThrowable(callable);13    System.out.println(thrown);14  }15}

catchThrowable

Using AI Code Generation

1package com.ack.j2se.exception;2import org.junit.Test;3import static org.assertj.core.api.Java6Assertions.*;4public class AssertJTest {5  public void testCatchThrowable() {6    Throwable thrown = catchThrowable( () -> {7      throw new Exception( "boom!" );8    } );9    assertThat( thrown ).isInstanceOf( Exception.class )10                        .hasMessage( "boom!" );11  }12}13package com.ack.j2se.exception;14import org.junit.Test;15import static org.assertj.core.api.Java6Assertions.*;16public class AssertJTest {17  public void testAssertThatExceptionOfType() {18    assertThatExceptionOfType( Exception.class ).isThrownBy( () -> {19      throw new Exception( "boom!" );20    } ).withMessage( "boom!" );21  }22}23package com.ack.j2se.exception;24import org.junit.Test;25import static org.assertj.core.api.Java6Assertions.*;26public class AssertJTest {27  public void testAssertThatThrownBy() {28    assertThatThrownBy( () -> {29      throw new Exception( "boom!" );30    } ).isInstanceOf( Exception.class )31       .hasMessage( "boom!" );32  }33}34package com.ack.j2se.exception;35import org.junit.Test;36import static org.assertj.core.api.Java6Assertions.*;37public class AssertJTest {38  public void testAssertThatCode() {39    assertThatCode( () -> {40      throw new Exception( "boom!" );41    } ).isInstanceOf( Exception.class )42       .hasMessage( "boom!" );43  }44}45package com.ack.j2se.exception;46import org.junit.Test;47import static org.assertj.core.api.Java

catchThrowable

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.*;3public class AssertJCatchThrowableTest {4public void testCatchThrowable() {5Throwable thrown = catchThrowable(() -> {6throw new Exception("Some exception");7});8assertThat(thrown).isInstanceOf(Exception.class);9}10}11	at AssertJCatchThrowableTest.lambda$0(AssertJCatchThrowableTest.java:10)12	at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:56)13	at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:40)14	at AssertJCatchThrowableTest.testCatchThrowable(AssertJCatchThrowableTest.java:10)15	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)16	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)17	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)18	at java.lang.reflect.Method.invoke(Method.java:498)19	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)20	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)21	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)22	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)23	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)24	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)25	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)26	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)27	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)28	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)29	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)30	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)31	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)32	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)33	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)34	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)

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.