How to use catchRuntimeException method of org.assertj.core.api.Assertions class

Best Assertj code snippet using org.assertj.core.api.Assertions.catchRuntimeException

Source:Assertions_catchRuntimeException_Test.java Github

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...11 * Copyright 2012-2022 the original author or authors.12 */13package org.assertj.core.api;14import static org.assertj.core.api.Assertions.assertThat;15import static org.assertj.core.api.Assertions.catchRuntimeException;16import static org.assertj.core.api.Assertions_catchThrowable_Test.codeThrowing;17import static org.assertj.core.api.BDDAssertions.then;18import static org.assertj.core.util.AssertionsUtil.expectAssertionError;19import static org.mockito.Mockito.mock;20import org.assertj.core.api.ThrowableAssert.ThrowingCallable;21import org.junit.jupiter.api.Test;22class Assertions_catchRuntimeException_Test {23 @Test24 void catchRuntimeException_should_fail_with_good_message_if_wrong_type() {25 // GIVEN26 ThrowingCallable code = () -> catchRuntimeException(raisingException("boom!!"));27 // WHEN28 AssertionError assertionError = expectAssertionError(code);29 // THEN30 assertThat(assertionError).hasMessageContainingAll(RuntimeException.class.getName(), Exception.class.getName());31 }32 @Test33 void catchRuntimeException_should_succeed_and_return_actual_instance_with_correct_class() {34 // GIVEN35 final RuntimeException expected = new RuntimeException("boom!!");36 // WHEN37 RuntimeException actual = catchRuntimeException(codeThrowing(expected));38 // THEN39 then(actual).isSameAs(expected);40 }41 @Test42 void catchRuntimeException_should_succeed_and_return_null_if_no_exception_thrown() {43 // WHEN44 RuntimeException actual = catchRuntimeException(() -> {});45 // THEN46 then(actual).isNull();47 }48 @Test49 void catchRuntimeException_should_catch_mocked_throwable() {50 // GIVEN51 RuntimeException runtimeException = mock(RuntimeException.class);52 // WHEN53 Throwable actual = catchRuntimeException(codeThrowing(runtimeException));54 // THEN55 then(actual).isSameAs(runtimeException);56 }57 static ThrowingCallable raisingException(final String reason) {58 return codeThrowing(new Exception(reason));59 }60}...

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Source:EntryPointAssertions_catchRuntimeException_Test.java Github

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...16import java.util.stream.Stream;17import org.assertj.core.api.ThrowableAssert.ThrowingCallable;18import org.junit.jupiter.params.ParameterizedTest;19import org.junit.jupiter.params.provider.MethodSource;20class EntryPointAssertions_catchRuntimeException_Test extends EntryPointAssertionsBaseTest {21 private static final RuntimeException RUNTIME_EXCEPTION = new RuntimeException();22 @ParameterizedTest23 @MethodSource("catchRuntimeExceptions")24 void should_catch_RuntimeException(Function<ThrowingCallable, RuntimeException> catchRuntimeException) {25 // GIVEN26 ThrowingCallable throwingCallable = () -> {27 throw RUNTIME_EXCEPTION;28 };29 // WHEN30 RuntimeException throwable = catchRuntimeException.apply(throwingCallable);31 // THEN32 then(throwable).isSameAs(RUNTIME_EXCEPTION);33 }34 private static Stream<Function<ThrowingCallable, RuntimeException>> catchRuntimeExceptions() {35 return Stream.of(Assertions::catchRuntimeException, BDDAssertions::catchRuntimeException, withAssertions::catchRuntimeException);36 }37}...

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catchRuntimeException

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1import static org.assertj.core.api.Assertions.catchThrowable;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.assertThatThrownBy;4import static org.assertj.core.api.Assertions.catchThrowableOfType;5import static org.assertj.core.api.Assertions.catchThrowableByType;6import static org.assertj.core.api.Assertions.assertThatExceptionOfType;7public class 1 {8 public static void main(String[] args) {9 Throwable throwable = catchThrowable(() -> {10 throw new NullPointerException();11 });12 assertThat(throwable).isInstanceOf(NullPointerException.class);13 assertThatThrownBy(() -> {14 throw new NullPointerException();15 }).isInstanceOf(NullPointerException.class);16 NullPointerException nullPointerException = catchThrowableOfType(() -> {17 throw new NullPointerException();18 }, NullPointerException.class);19 assertThat(nullPointerException).isNotNull();20 NullPointerException nullPointerException1 = catchThrowableByType(() -> {21 throw new NullPointerException();22 }, NullPointerException.class);23 assertThat(nullPointerException1).isNotNull();24 assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {25 throw new NullPointerException();26 });27 }28}

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catchRuntimeException

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1package org.example;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.Assertions.catchThrowable;4import static org.assertj.core.api.Assertions.assertThat;5public class AppTest {6 public void test() {7 Throwable throwable = catchThrowable(() -> {8 throw new RuntimeException("This is a runtime exception");9 });10 assertThat(throwable).isInstanceOf(RuntimeException.class);11 assertThat(throwable).hasMessage("This is a runtime exception");12 }13}14 at org.example.AppTest.lambda$test$0(AppTest.java:10)15 at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:42)16 at org.assertj.core.api.Assertions.catchThrowable(Assertions.java:1010)17 at org.example.AppTest.test(AppTest.java:7)18 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)19 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)20 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)21 at java.lang.reflect.Method.invoke(Method.java:498)22 at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:675)23 at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)24 at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)25 at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)26 at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)27 at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)28 at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)29 at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)30 at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)31 at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)32 at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)33 at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)34 at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)

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catchRuntimeException

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1import static org.assertj.core.api.Assertions.catchThrowable;2import static org.assertj.core.api.Assertions.assertThat;3import java.io.IOException;4import java.util.ArrayList;5import java.util.List;6import org.junit.Test;7public class AssertJTest {8 public void test1() throws IOException {9 List<String> list = new ArrayList<String>();10 list.add("A");11 list.add("B");12 list.add("C");13 Throwable thrown = catchThrowable(() -> {14 list.get(3);15 });16 assertThat(thrown).isInstanceOf(IndexOutOfBoundsException.class);17 assertThat(thrown).hasMessageContaining("Index: 3, Size: 3");18 }19}20 at org.junit.Assert.assertEquals(Assert.java:115)21 at org.junit.Assert.assertEquals(Assert.java:144)22 at org.assertj.core.api.ThrowableAssert.hasMessageContaining(ThrowableAssert.java:180)23 at AssertJTest.test1(AssertJTest.java:23)

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catchRuntimeException

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1package org.assertj.core.api;2import org.junit.Test;3public class Assertions_catchRuntimeException_Test {4 public void testCatchRuntimeException() throws Throwable {5 Assertions.assertThrows(RuntimeException.class, () -> {6 throw new RuntimeException("a message");7 });8 }9}10package org.assertj.core.api;11import java.util.function.Supplier;12public class Assertions {13 public static void assertThrows(Class<? extends Throwable> expectedType, Supplier<?> test) throws Throwable {14 try {15 test.get();16 } catch (Throwable t) {17 if (expectedType.isInstance(t)) {18 return;19 } else {20 throw t;21 }22 }23 throw new AssertionError("Expected exception of type " + expectedType.getName());24 }25}

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catchRuntimeException

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1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class Test1 {4 public void test1() {5 Assertions.catchThrowable(() -> {6 throw new RuntimeException("test");7 });8 }9}10 at org.assertj.core.api.Assertions.catchThrowable(Assertions.java:514)11 at org.assertj.core.api.Assertions.catchThrowable(Assertions.java:490)12 at Test1.test1(Test1.java:11)13 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)14 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)15 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)16 at java.lang.reflect.Method.invoke(Method.java:498)17 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)18 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)19 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)20 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)21 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)22 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)23 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)24 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)25 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)26 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)27 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)28 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)29 at org.junit.runners.ParentRunner.run(ParentRunner.java:363)30 at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)31 at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)32 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:538)33 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)34 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)

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catchRuntimeException

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1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class Test1 {4 public void test1() {5 Assertions.assertThatThrownBy(() -> {6 throw new RuntimeException("error");7 }).isInstanceOf(RuntimeException.class).hasMessage("error");8 }9}10 at org.assertj.core.api.Assertions.assertThatThrownBy(Assertions.java:1462)11 at Test1.test1(Test1.java:7)

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catchRuntimeException

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1import org.assertj.core.api.Assertions;2public class CatchRuntimeException {3 public static void main(String[] args) {4 Assertions.assertThatExceptionOfType(RuntimeException.class).isThrownBy(() -> {5 throw new RuntimeException("RuntimeException");6 }).withMessage("RuntimeException");7 }8}9import org.assertj.core.api.Assertions;10public class CatchThrowable {11 public static void main(String[] args) {12 Assertions.assertThatCode(() -> {13 throw new RuntimeException("RuntimeException");14 }).isInstanceOf(RuntimeException.class).hasMessageContaining("RuntimeException");15 }16}17import org.assertj.core.api.Assertions;18public class AssertThatThrownBy {19 public static void main(String[] args) {20 Assertions.assertThatThrownBy(() -> {21 throw new RuntimeException("RuntimeException");22 }).isInstanceOf(RuntimeException.class).hasMessageContaining("RuntimeException");23 }24}25import org.assertj.core.api.Assertions;26public class CatchThrowableOfType {27 public static void main(String[] args) {28 Assertions.assertThatThrownBy(() -> {29 throw new RuntimeException("RuntimeException");30 }).isInstanceOf(RuntimeException.class).hasMessageContaining("RuntimeException");31 }32}

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catchRuntimeException

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1import static org.assertj.core.api.Assertions.catchThrowable;2import org.junit.Test;3import java.io.File;4import java.io.FileNotFoundException;5import java.io.FileReader;6public class 1 {7 public void testCatchRuntimeException() {8 Throwable thrown = catchThrowable(() -> {9 new FileReader(new File("test.txt"));10 });11 Assertions.assertThat(thrown).isInstanceOf(FileNotFoundException.class);12 }13}14import static org.assertj.core.api.Assertions.assertThatThrownBy;15import org.junit.Test;16import java.io.File;17import java.io.FileNotFoundException;18import java.io.FileReader;19public class 2 {20 public void testAssertThatThrownBy() {21 assertThatThrownBy(() -> {22 new FileReader(new File("test.txt"));23 }).isInstanceOf(FileNotFoundException.class);24 }25}26import static org.assertj.core.api.Assertions.assertThatExceptionOfType;27import org.junit.Test;28import java.io.File;29import java.io.FileNotFoundException;30import java.io.FileReader;31public class 3 {32 public void testAssertThatExceptionOfType() {33 assertThatExceptionOfType(FileNotFoundException.class).isThrownBy(() -> {34 new FileReader(new File("test.txt"));35 });36 }37}38import static org.assertj.core.api.Assertions.assertThatCode;39import org.junit.Test;40import java.io.File;41import java.io.FileNotFoundException;42import java.io.FileReader;43public class 4 {44 public void testAssertThatCode() {45 assertThatCode(() -> {46 new FileReader(new File("test.txt"));47 }).doesNotThrowAnyException();48 }49}50import static org.assertj.core.api.Assertions.assertThatThrownBy;51import org.junit.Test

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catchRuntimeException

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1import org.assertj.core.api.Assertions;2public class Main {3 public static void main(String[] args) {4 Assertions.assertThat("ABC").isEqualTo("ABC");5 }6}7import org.assertj.core.api.Assertions;8public class Main {9 public static void main(String[] args) {10 Assertions.assertThatThrownBy(() -> {11 throw new RuntimeException("Test");12 }).isInstanceOf(RuntimeException.class).hasMessage("Test");13 }14}15import org.assertj.core.api.Assertions;16public class Main {17 public static void main(String[] args) {18 Assertions.assertThatExceptionOfType(RuntimeException.class).isThrownBy(() -> {19 throw new RuntimeException("Test");20 }).withMessage("Test");21 }22}23import org.assertj.core.api.Assertions;24public class Main {25 public static void main(String[] args) {26 Assertions.assertThatCode(() -> {27 throw new RuntimeException("Test");28 }).isInstanceOf(RuntimeException.class).hasMessage("Test");29 }30}31import org.assertj.core.api.Assertions;32public class Main {33 public static void main(String[] args) {34 Assertions.assertThatNoException().isThrownBy(() -> {35 System.out.println("Hello World!");36 });37 }38}39import org.assertj.core.api.Assertions;40public class Main {41 public static void main(String[] args) {42 Assertions.assertThatNullPointerException().isThrownBy(() -> {43 throw new NullPointerException();44 });45 }46}47import org.assertj.core.api.Assertions;48public class Main {49 public static void main(String[] args) {50 Assertions.assertThatIllegalArgumentException().isThrownBy(() -> {51 throw new IllegalArgumentException();52 });53 }54}55import org.assertj.core.api.Assertions;56public class Main {57 public static void main(String58import org.assertj.core.api.Assertions;59public class CatchThrowable {60 public static void main(String[] args) {61 Assertions.assertThatCode(() -> {62 throw new RuntimeException("RuntimeException");63 }).isInstanceOf(RuntimeException.class).hasMessageContaining("RuntimeException");64 }65}66import org.assertj.core.api.Assertions;67public class AssertThatThrownBy {68 public static void main(String[] args) {69 Assertions.assertThatThrownBy(() -> {70 throw new RuntimeException("RuntimeException");71 }).isInstanceOf(RuntimeException.class).hasMessageContaining("RuntimeException");72 }73}74import org.assertj.core.api.Assertions;75public class CatchThrowableOfType {76 public static void main(String[] args) {77 Assertions.assertThatThrownBy(() -> {78 throw new RuntimeException("RuntimeException");79 }).isInstanceOf(RuntimeException.class).hasMessageContaining("RuntimeException");80 }81}

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catchRuntimeException

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1import static org.assertj.core.api.Assertions.catchThrowable;2import org.junit.Test;3import java.io.File;4import java.io.FileNotFoundException;5import java.io.FileReader;6public class 1 {7 public void testCatchRuntimeException() {8 Throwable thrown = catchThrowable(() -> {9 new FileReader(new File("test.txt"));10 });11 Assertions.assertThat(thrown).isInstanceOf(FileNotFoundException.class);12 }13}14import static org.assertj.core.api.Assertions.assertThatThrownBy;15import org.junit.Test;16import java.io.File;17import java.io.FileNotFoundException;18import java.io.FileReader;19public class 2 {20 public void testAssertThatThrownBy() {21 assertThatThrownBy(() -> {22 new FileReader(new File("test.txt"));23 }).isInstanceOf(FileNotFoundException.class);24 }25}26import static org.assertj.core.api.Assertions.assertThatExceptionOfType;27import org.junit.Test;28import java.io.File;29import java.io.FileNotFoundException;30import java.io.FileReader;31public class 3 {32 public void testAssertThatExceptionOfType() {33 assertThatExceptionOfType(FileNotFoundException.class).isThrownBy(() -> {34 new FileReader(new File("test.txt"));35 });36 }37}38import static org.assertj.core.api.Assertions.assertThatCode;39import org.junit.Test;40import java.io.File;41import java.io.FileNotFoundException;42import java.io.FileReader;43public class 4 {44 public void testAssertThatCode() {45 assertThatCode(() -> {46 new FileReader(new File("test.txt"));47 }).doesNotThrowAnyException();48 }49}50import static org.assertj.core.api.Assertions.assertThatThrownBy;51import org.junit.Test

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catchRuntimeException

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1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class Test1 {4 public void test1() {5 Assertions.catchThrowable(() -> {6 throw new RuntimeException("test");7 });8 }9}10 at org.assertj.core.api.Assertions.catchThrowable(Assertions.java:514)11 at org.assertj.core.api.Assertions.catchThrowable(Assertions.java:490)12 at Test1.test1(Test1.java:11)13 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)14 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)15 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)16 at java.lang.reflect.Method.invoke(Method.java:498)17 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)18 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)19 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)20 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)21 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)22 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)23 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)24 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)25 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)26 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)27 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)28 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)29 at org.junit.runners.ParentRunner.run(ParentRunner.java:363)30 at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)31 at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)32 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:538)33 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)34 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)

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catchRuntimeException

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1import static org.assertj.core.api.Assertions.catchThrowable;2import org.junit.Test;3import java.io.File;4import java.io.FileNotFoundException;5import java.io.FileReader;6public class 1 {7 public void testCatchRuntimeException() {8 Throwable thrown = catchThrowable(() -> {9 new FileReader(new File("test.txt"));10 });11 Assertions.assertThat(thrown).isInstanceOf(FileNotFoundException.class);12 }13}14import static org.assertj.core.api.Assertions.assertThatThrownBy;15import org.junit.Test;16import java.io.File;17import java.io.FileNotFoundException;18import java.io.FileReader;19public class 2 {20 public void testAssertThatThrownBy() {21 assertThatThrownBy(() -> {22 new FileReader(new File("test.txt"));23 }).isInstanceOf(FileNotFoundException.class);24 }25}26import static org.assertj.core.api.Assertions.assertThatExceptionOfType;27import org.junit.Test;28import java.io.File;29import java.io.FileNotFoundException;30import java.io.FileReader;31public class 3 {32 public void testAssertThatExceptionOfType() {33 assertThatExceptionOfType(FileNotFoundException.class).isThrownBy(() -> {34 new FileReader(new File("test.txt"));35 });36 }37}38import static org.assertj.core.api.Assertions.assertThatCode;39import org.junit.Test;40import java.io.File;41import java.io.FileNotFoundException;42import java.io.FileReader;43public class 4 {44 public void testAssertThatCode() {45 assertThatCode(() -> {46 new FileReader(new File("test.txt"));47 }).doesNotThrowAnyException();48 }49}50import static org.assertj.core.api.Assertions.assertThatThrownBy;51import org.junit.Test

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