How to use hasRootCauseInstanceOf method of org.assertj.core.api.AbstractThrowableAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf

Source:AbstractThrowableAssert.java

...228   * Example:229   * <pre><code class='java'> Throwable throwable = new Throwable(new IllegalStateException(new NullPointerException()));230	 *231	 * // assertion will pass232	 * assertThat(throwable).hasRootCauseInstanceOf(NullPointerException.class);233	 * assertThat(throwable).hasRootCauseInstanceOf(RuntimeException.class);234	 *235	 * // assertion will fail236	 * assertThat(throwable).hasRootCauseInstanceOf(IllegalStateException.class);</code></pre>237   *238   * </p>239   *240   * @param type the expected cause type.241   * @return this assertion object.242   * @throws NullPointerException if given type is {@code null}.243   * @throws AssertionError if the actual {@code Throwable} is {@code null}.244   * @throws AssertionError if the actual {@code Throwable} has no cause.245   * @throws AssertionError if the cause of the actual {@code Throwable} is not an instance of the given type.246   */247  public S hasRootCauseInstanceOf(Class<? extends Throwable> type) {248    throwables.assertHasRootCauseInstanceOf(info, actual, type);249    return myself;250  }251  /**252   * Verifies that the root cause of the actual {@code Throwable} is <b>exactly</b> an instance of the given type.253   * <p>254   * Example:255   * <pre><code class='java'> Throwable throwable = new Throwable(new IllegalStateException(new NullPointerException()));256	 *257	 * // assertion will pass258	 * assertThat(throwable).hasRootCauseExactlyInstanceOf(NullPointerException.class);259	 *260	 * // assertion will fail (even if NullPointerException is a RuntimeException since we want an exact match)261	 * assertThat(throwable).hasRootCauseExactlyInstanceOf(RuntimeException.class);...

Source:DelegatingAbstractThrowableAssertions.java

...133    public SELF is(Condition<? super ACTUAL> condition) {134        assertions.is(condition);135        return me();136    }137    public SELF hasRootCauseInstanceOf(Class<? extends Throwable> type) {138        assertions.hasRootCauseInstanceOf(type);139        return me();140    }141    public SELF isNot(Condition<? super ACTUAL> condition) {142        assertions.isNot(condition);143        return me();144    }145    public SELF has(Condition<? super ACTUAL> condition) {146        assertions.has(condition);147        return me();148    }149    public SELF isInstanceOf(Class<?> type) {150        assertions.isInstanceOf(type);151        return me();152    }...

hasRootCauseInstanceOf

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatThrownBy;3import static org.assertj.core.api.Assertions.catchThrowable;4import static org.assertj.core.api.Assertions.catchThrowableOfType;5import static org.assertj.core.api.Assertions.entry;6import static org.assertj.core.api.Assertions.tuple;7public class AssertJTest {8    public static void main(String[] args) {9        Throwable thrown = catchThrowable(() -> { throw new IllegalArgumentException("boom!"); });10        assertThat(thrown).hasRootCauseInstanceOf(IllegalArgumentException.class);11    }12}13	at org.junit.Assert.assertEquals(Assert.java:115)14	at org.junit.Assert.assertEquals(Assert.java:144)15	at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:212)16	at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:33)17	at AssertJTest.main(AssertJTest.java:10)

hasRootCauseInstanceOf

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.jupiter.api.Test;3import java.io.IOException;4import static org.assertj.core.api.Assertions.assertThat;5import static org.assertj.core.api.Assertions.catchThrowable;6public class Example {7    public void test() {8        Throwable throwable = catchThrowable(() -> {9            throw new IllegalArgumentException("my exception", new IOException("cause exception"));10        });11        assertThat(throwable).hasRootCauseInstanceOf(IOException.class);12    }13}14import org.assertj.core.api.Assertions;15import org.junit.jupiter.api.Test;16import java.io.IOException;17import static org.assertj.core.api.Assertions.assertThat;18import static org.assertj.core.api.Assertions.catchThrowable;19public class Example {20    public void test() {21        Throwable throwable = catchThrowable(() -> {22            throw new IllegalArgumentException("my exception", new IOException("cause exception"));23        });24        assertThat(throwable).hasRootCauseInstanceOf(IllegalArgumentException.class);25    }26}27import org.assertj.core.api.Assertions;28import org.junit.jupiter.api.Test;29import java.io.IOException;30import static org.assertj.core.api.Assertions.assertThat;31import static org.assertj.core.api.Assertions.catchThrowable;32public class Example {33    public void test() {34        Throwable throwable = catchThrowable(() -> {35            throw new IllegalArgumentException("my exception", new IOException("cause exception"));36        });37        assertThat(throwable).hasRootCauseInstanceOf(NullPointerException.class);38    }39}

hasRootCauseInstanceOf

Using AI Code Generation

1import org.assertj.core.api.AbstractThrowableAssert;2import org.assertj.core.api.Assertions;3public class 1 {4    public static void main(String[] args) {5        try {6            throw new RuntimeException(new IllegalArgumentException("test"));7        } catch (Exception e) {8            AbstractThrowableAssert<?, ? extends Throwable> assertThrow = Assertions.assertThat(e);9            assertThrow.hasRootCauseInstanceOf(IllegalArgumentException.class);10        }11    }12}13import org.assertj.core.api.AbstractThrowableAssert;14import org.assertj.core.api.Assertions;15public class 2 {16    public static void main(String[] args) {17        try {18            throw new RuntimeException(new IllegalArgumentException("test"));19        } catch (Exception e) {20            AbstractThrowableAssert<?, ? extends Throwable> assertThrow = Assertions.assertThat(e);21            assertThrow.getRootCause().isInstanceOf(IllegalArgumentException.class);22        }23    }24}25import org.assertj.core.api.AbstractThrowableAssert;26import org.assertj.core

hasRootCauseInstanceOf

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class Test1 {4    public void test1() {5        Assertions.assertThat(new RuntimeException("test")).hasRootCauseInstanceOf(RuntimeException.class);6    }7}8at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:218)9at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:33)10at Test1.test1(Test1.java:8)11at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:218)12at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:33)13at Test1.test1(Test1.java:8)14at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:218)15at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:33)16at Test1.test1(Test1.java:8)17at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:218)18at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:33)19at Test1.test1(Test1.java:8)

hasRootCauseInstanceOf

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class Test1 {4    public void test1() {5        try {6            throw new RuntimeException("Some exception");7        } catch (Exception e) {8            Assertions.assertThat(e).hasRootCauseInstanceOf(RuntimeException.class);9        }10    }11}12import org.assertj.core.api.Assertions;13import org.junit.Test;14public class Test2 {15    public void test2() {16        try {17            throw new RuntimeException("Some exception");18        } catch (Exception e) {19            Assertions.assertThat(e).hasRootCauseInstanceOf(RuntimeException.class);20        }21    }22}23import org.assertj.core.api.Assertions;24import org.junit.Test;25public class Test3 {26    public void test3() {27        try {28            throw new RuntimeException("Some exception");29        } catch (Exception e) {30            Assertions.assertThat(e).hasRootCauseInstanceOf(RuntimeException.class);31        }32    }33}34import org.assertj.core.api.Assertions;35import org.junit.Test;36public class Test4 {37    public void test4() {38        try {39            throw new RuntimeException("Some exception");40        } catch (Exception e) {41            Assertions.assertThat(e).hasRootCauseInstanceOf(RuntimeException.class);42        }43    }44}45import org.assertj.core.api.Assertions;46import org.junit.Test;47public class Test5 {48    public void test5() {49        try {50            throw new RuntimeException("Some exception");51        } catch (Exception e) {52            Assertions.assertThat(e).hasRootCauseInstanceOf(RuntimeException.class);53        }54    }55}56import org.assertj.core.api.Assertions;57import org.junit.Test;58public class Test6 {59    public void test6() {60        try {61            throw new RuntimeException("Some exception");62        }

hasRootCauseInstanceOf

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import org.junit.Test;3public class TestAssertJ {4    public void testAssertJ() {5        try {6            throw new RuntimeException(new IllegalArgumentException(new NullPointerException()));7        } catch (RuntimeException ex) {8            assertThat(ex).hasRootCauseInstanceOf(NullPointerException.class);9        }10    }11}

hasRootCauseInstanceOf

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import java.io.IOException;3import java.lang.Exception;4import java.lang.RuntimeException;5import java.lang.Throwable;6public class 1 {7public static void main(String[] args) {8Throwable t = new RuntimeException(new IOException());9Assertions.assertThat(t).hasRootCauseInstanceOf(IOException.class);10}11}12at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:111)13at 1.main(1.java:12)14Related Posts: AssertJ - hasRootCauseMessage(String expectedMessage)15AssertJ - hasRootCauseMessageStartingWith(String expectedMessageStartingWith)16AssertJ - hasRootCauseMessageContaining(String expectedMessageContaining)17AssertJ - hasRootCauseMessageMatching(String expectedMessageMatching)18AssertJ - hasRootCauseMessageMatching(Pattern expectedMessageMatching)19AssertJ - hasRootCauseMessageEndingWith(String expectedMessageEndingWith)20AssertJ - hasRootCauseMessage(String expectedMessage)21AssertJ - hasRootCauseMessageStartingWith(String expectedMessageStartingWith)22AssertJ - hasRootCauseMessageContaining(String expectedMessageContaining)23AssertJ - hasRootCauseMessageMatching(String expectedMessageMatching)24AssertJ - hasRootCauseMessageMatching(Pattern expectedMessageMatching)25AssertJ - hasRootCauseMessageEndingWith(String expectedMessageEndingWith)26AssertJ - hasRootCauseMessage(String expectedMessage)27AssertJ - hasRootCauseMessageStartingWith(String expectedMessageStartingWith)28AssertJ - hasRootCauseMessageContaining(String expectedMessageContaining)29AssertJ - hasRootCauseMessageMatching(String expectedMessageMatching)30AssertJ - hasRootCauseMessageMatching(Pattern expectedMessageMatching)31AssertJ - hasRootCauseMessageEndingWith(String expectedMessageEndingWith)32AssertJ - hasRootCauseMessage(String expectedMessage)33AssertJ - hasRootCauseMessageStartingWith(String expectedMessageStartingWith)34AssertJ - hasRootCauseMessageContaining(String expectedMessageContaining)35AssertJ - hasRootCauseMessageMatching(String expectedMessageMatching)36AssertJ - hasRootCauseMessageMatching(Pattern expectedMessageMatching)37AssertJ - hasRootCauseMessageEndingWith(String expectedMessageEndingWith)38AssertJ - hasRootCauseMessage(String expectedMessage)39AssertJ - hasRootCauseMessageStartingWith(String expectedMessageStartingWith)40AssertJ - hasRootCauseMessageContaining(String

hasRootCauseInstanceOf

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class AssertJTest {4    public void testAssertJ() {5        try {6            throw new RuntimeException("Exception", new RuntimeException("Cause"));7        } catch (Exception e) {8            Assertions.assertThat(e).hasRootCauseInstanceOf(RuntimeException.class);9        }10    }11}12	at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:231)13	at org.junit.AssertJTest.testAssertJ(AssertJTest.java:11)

hasRootCauseInstanceOf

Using AI Code Generation

1package org.example;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.Assertions.assertThat;4class AppTest {5  void testHasRootCauseInstanceOf() {6    try {7      throw new Exception(new Exception(new Exception()));8    } catch (Exception e) {9      assertThat(e).hasRootCauseInstanceOf(Exception.class);10    }11  }12}13org.example.AppTest > testHasRootCauseInstanceOf() FAILED14        at org.example.AppTest.testHasRootCauseInstanceOf(AppTest.java:13)15	at org.example.AppTest.testHasRootCauseInstanceOf(AppTest.java:13)16	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)17	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)18	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)19	at java.base/java.lang.reflect.Method.invoke(Method.java:566)20	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:686)21	at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)22	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)23	at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)24	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)25	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)26	at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)27	at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)28	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)29	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)

hasRootCauseInstanceOf

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class AssertJTest {4public void testException() {5try {6throw new RuntimeException("Test Exception");7} catch (Exception e) {8Assertions.assertThat(e).hasRootCauseInstanceOf(RuntimeException.class);9}10}11}12at org.junit.Assert.assertEquals(Assert.java:115)13at org.junit.Assert.assertEquals(Assert.java:144)14at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:216)15at AssertJTest.testException(AssertJTest.java:12)16at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)17at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)18at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)19at java.lang.reflect.Method.invoke(Method.java:498)20at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)21at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)22at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)23at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)24at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)25at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)26at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)27at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)28at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)29at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)30at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)31at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)32at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)33at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)34at org.junit.runners.ParentRunner.run(ParentRunner.java:363)35at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)

hasRootCauseInstanceOf

Using AI Code Generation

1package org.example;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.Assertions.assertThat;4class AppTest {5  void testHasRootCauseInstanceOf() {6    try {7      throw new Exception(new Exception(new Exception()));8    } catch (Exception e) {9      assertThat(e).hasRootCauseInstanceOf(Exception.class);10    }11  }12}13org.example.AppTest > testHasRootCauseInstanceOf() FAILED14        at org.example.AppTest.testHasRootCauseInstanceOf(AppTest.java:13)15	at org.example.AppTest.testHasRootCauseInstanceOf(AppTest.java:13)16	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)17	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)18	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)19	at java.base/java.lang.reflect.Method.invoke(Method.java:566)20	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:686)21	at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)22	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)23	at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)24	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)25	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)26	at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)27	at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)28	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)29	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)

hasRootCauseInstanceOf

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class AssertJTest {4public void testException() {5try {6throw new RuntimeException("Test Exception");7} catch (Exception e) {8Assertions.assertThat(e).hasRootCauseInstanceOf(RuntimeException.class);9}10}11}12at org.junit.Assert.assertEquals(Assert.java:115)13at org.junit.Assert.assertEquals(Assert.java:144)14at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:216)15at AssertJTest.testException(AssertJTest.java:12)16at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)17at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)18at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)19at java.lang.reflect.Method.invoke(Method.java:498)20at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)21at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)22at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)23at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)24at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)25at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)26at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)27at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)28at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)29at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)30at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)31at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)32at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)33at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)34at org.junit.runners.ParentRunner.run(ParentRunner.java:363)35at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)

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