Best Assertj code snippet using org.assertj.core.api.Assertions.catchIOException
Source:Assertions_catchIOException_Test.java
...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.catchIOException;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 java.io.IOException;21import org.assertj.core.api.ThrowableAssert.ThrowingCallable;22import org.junit.jupiter.api.Test;23class Assertions_catchIOException_Test {24 @Test25 void catchIOException_should_fail_with_good_message_if_wrong_type() {26 // GIVEN27 ThrowingCallable code = () -> catchIOException(raisingException("boom!!"));28 // WHEN29 AssertionError assertionError = expectAssertionError(code);30 // THEN31 assertThat(assertionError).hasMessageContainingAll(Exception.class.getName(), IOException.class.getName());32 }33 @Test34 void catchIOException_should_succeed_and_return_actual_instance_with_correct_class() {35 // GIVEN36 final IOException expected = new IOException("boom!!");37 // WHEN38 IOException actual = catchIOException(codeThrowing(expected));39 // THEN40 then(actual).isSameAs(expected);41 }42 @Test43 void catchIOException_should_succeed_and_return_null_if_no_exception_thrown() {44 // WHEN45 IOException actual = catchIOException(() -> {});46 // THEN47 then(actual).isNull();48 }49 @Test50 void catchIOException_should_catch_mocked_throwable() {51 // GIVEN52 IOException exception = mock(IOException.class);53 // WHEN54 Throwable actual = catchIOException(codeThrowing(exception));55 // THEN56 then(actual).isSameAs(exception);57 }58 static ThrowingCallable raisingException(final String reason) {59 return codeThrowing(new Exception(reason));60 }61}...
Source:EntryPointAssertions_catchIOException_Test.java
...17import java.util.stream.Stream;18import org.assertj.core.api.ThrowableAssert.ThrowingCallable;19import org.junit.jupiter.params.ParameterizedTest;20import org.junit.jupiter.params.provider.MethodSource;21class EntryPointAssertions_catchIOException_Test extends EntryPointAssertionsBaseTest {22 private static final IOException IO_EXCEPTION = new IOException();23 @ParameterizedTest24 @MethodSource("catchIOExceptions")25 void should_catch_IOException(Function<ThrowingCallable, IOException> catchIOException) {26 // GIVEN27 ThrowingCallable throwingCallable = () -> {28 throw IO_EXCEPTION;29 };30 // WHEN31 IOException throwable = catchIOException.apply(throwingCallable);32 // THEN33 then(throwable).isSameAs(IO_EXCEPTION);34 }35 private static Stream<Function<ThrowingCallable, IOException>> catchIOExceptions() {36 return Stream.of(Assertions::catchIOException, BDDAssertions::catchIOException, withAssertions::catchIOException);37 }38}...
catchIOException
Using AI Code Generation
1import static org.assertj.core.api.Assertions.*;2public class AssertionsCatchIOException {3 public static void main(String[] args) {4 assertThatThrownBy(() -> { throw new IOException("boom!"); })5 .isInstanceOf(IOException.class)6 .hasMessage("boom!")7 .hasNoCause();8 }9}
catchIOException
Using AI Code Generation
1package org.myorg;2import java.io.IOException;3import org.assertj.core.api.Assertions;4import org.junit.Test;5public class Test1 {6 public void test() {7 Assertions.assertThatCode(() -> {8 throw new IOException("test");9 }).hasMessage("test");10 }11}12package org.myorg;13import java.io.IOException;14import org.assertj.core.api.Assertions;15import org.junit.Test;16public class Test2 {17 public void test() {18 Assertions.assertThatThrownBy(() -> {19 throw new IOException("test");20 }).hasMessage("test");21 }22}23package org.myorg;24import java.io.IOException;25import org.assertj.core.api.Assertions;26import org.junit.Test;27public class Test3 {28 public void test() {29 Assertions.assertThatCode(() -> {30 throw new IOException("test");31 }).hasMessage("test");32 }33}34package org.myorg;35import java.io.IOException;36import org.assertj.core.api.Assertions;37import org.junit.Test;38public class Test4 {39 public void test() {40 Assertions.assertThatCode(() -> {41 throw new IOException("test");42 }).hasMessage("test");43 }44}45package org.myorg;46import java.io.IOException;47import org.assertj.core.api.Assertions;48import org.junit.Test;49public class Test5 {50 public void test() {51 Assertions.assertThatCode(() -> {52 throw new IOException("test");53 }).hasMessage("test");54 }55}56package org.myorg;57import java.io.IOException;58import org.assertj.core.api.Assertions;59import org.junit.Test;60public class Test6 {61 public void test() {62 Assertions.assertThatCode(() -> {63 throw new IOException("test");64 }).hasMessage("test");65 }66}
catchIOException
Using AI Code Generation
1package org.example;2import java.io.IOException;3import org.assertj.core.api.Assertions;4public class Example {5 public static void main(String[] args) {6 Assertions.assertThatThrownBy(() -> {7 }).isInstanceOf(IOException.class).hasMessageContaining("some text").hasMessageStartingWith("some text");8 }9}10at org.example.Example.main(Example.java:8)11at org.example.Example.main(Example.java:8)12at org.example.Example.main(Example.java:8)13at org.example.Example.main(Example.java:8)14at org.example.Example.main(Example.java:8)15at org.example.Example.main(Example.java:8)16at org.example.Example.main(Example.java:8)17at org.example.Example.main(Example.java:8)18at org.example.Example.main(Example.java:8)
catchIOException
Using AI Code Generation
1import java.io.IOException;2import java.io.FileInputStream;3import java.io.FileNotFoundException;4import org.assertj.core.api.Assertions;5public class CatchIOException {6 public static void main(String[] args) {7 Assertions.catchThrowableOfType(() -> {8 FileInputStream f = new FileInputStream("C:\\test.txt");9 }, IOException.class);10 }11}12How to assert that an exception is thrown in JUnit 5 using assertThrows() method?13How to assert that an exception is thrown in JUnit 5 using assertThrows() method with a message?14How to assert that an exception is thrown in JUnit 5 using assertThrows() method with a message and a message matcher?15How to assert that an exception is thrown in JUnit 5 using assertThrows() method with a message and a message matcher?16How to assert that an exception is thrown in JUnit 5 using assertThrows() method with a message and a message matcher?
catchIOException
Using AI Code Generation
1import org.assertj.core.api.Assertions;2public class 1 {3 public static void main(String[] args) {4 Assertions.catchThrowableOfType(() -> {5 throw new Exception("Test Exception");6 }, Exception.class);7 }8}9 at 1.main(1.java:6)10at org.assertj.core.api.Assertions.catchThrowableOfType(Assertions.java:1434)11 at 1.main(1.java:6)
catchIOException
Using AI Code Generation
1public class CatchIOException {2 public static void main(String[] args) {3 Assertions.catchIOException(() -> {4 throw new IOException("Error");5 });6 }7}8Java 9 – java.lang.String::repeat() method9Java 9 – java.lang.String::isBlank() method10Java 9 – java.lang.String::lines() method11Java 9 – java.lang.String::strip() method12Java 9 – java.lang.String::stripLeading() method13Java 9 – java.lang.String::stripTrailing() method14Java 9 – java.lang.String::transform() method15Java 9 – java.lang.String::indent() method16Java 9 – java.lang.String::translateEscapes() method17Java 9 – java.lang.String::isBlank() method18Java 9 – java.lang.String::repeat() method19Java 9 – java.lang.String::lines() method20Java 9 – java.lang.String::strip() method21Java 9 – java.lang.String::stripLeading() method22Java 9 – java.lang.String::stripTrailing() method23Java 9 – java.lang.String::transform() method24Java 9 – java.lang.String::indent() method25Java 9 – java.lang.String::translateEscapes() method26Java 9 – java.lang.String::isBlank() method27Java 9 – java.lang.String::repeat() method28Java 9 – java.lang.String::lines() method29Java 9 – java.lang.String::strip() method30Java 9 – java.lang.String::stripLeading() method31Java 9 – java.lang.String::stripTrailing() method32Java 9 – java.lang.String::transform() method33Java 9 – java.lang.String::indent() method34Java 9 – java.lang.String::translateEscapes() method35Java 9 – java.lang.String::isBlank() method36Java 9 – java.lang.String::repeat() method37Java 9 – java.lang.String::lines() method38Java 9 – java.lang.String::strip() method39Java 9 – java.lang.String::stripLeading() method40Java 9 – java.lang.String::stripTrailing() method41Java 9 – java.lang.String::transform() method
catchIOException
Using AI Code Generation
1package org.example;2import java.io.IOException;3import org.assertj.core.api.Assertions;4public class App {5 public static void main(String[] args) throws Exception {6 throw new IOException();7 }8}9 at org.example.App.main(App.java:13)10package org.example;11import java.io.IOException;12import org.assertj.core.api.Assertions;13public class App {14 public static void main(String[] args) throws Exception {15 Assertions.catchIOException(() -> {16 throw new IOException();17 });18 }19}20org.assertj.core.api.ThrowableAssert$ThrowableAssertAlternative<java.io.IOException> exception = Assertions.catchIOException(() -> {21 throw new IOException();22 });23package org.example;24import java.io.IOException;25import org.assertj.core.api.Assertions;26public class App {27 public static void main(String[] args) throws Exception {28 throw new IOException();29 }30}31 at org.example.App.main(App.java:13)32package org.example;33import java.io.IOException;34import org.assertj.core.api.Assertions;35public class App {36 public static void main(String[] args) throws Exception {37 Assertions.catchThrowable(() -> {38 throw new IOException();39 });40 }41}42org.assertj.core.api.ThrowableAssert$ThrowableAssertAlternative<java.lang.Throwable> exception = Assertions.catchThrowable(() -> {43 throw new IOException();44 });
catchIOException
Using AI Code Generation
1import java.io.IOException;2import org.assertj.core.api.Assertions;3import org.junit.Test;4public class AssertJTest {5 public void test() {6 Assertions.catchThrowableOfType(() -> {7 throw new IOException("test");8 }, IOException.class);9 }10}11 at org.assertj.core.api.Assertions.catchThrowableOfType(Assertions.java:2675)12 at AssertJTest.test(AssertJTest.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.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)22 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)23 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)24 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)25 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)26 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)27 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)28 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)29 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)30 at org.junit.runners.ParentRunner.run(ParentRunner.java:363)31 at org.junit.runner.JUnitCore.run(JUnitCore.java:137)32 at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
catchIOException
Using AI Code Generation
1import java.io.IOException;2import org.junit.Test;3import static org.assertj.core.api.Assertions.catchThrowable;4public class AssertionsCatchThrowableTest {5public void testCatchThrowable() throws IOException {6Throwable thrown = catchThrowable(() -> {7throw new IOException("Error");8});9assertThat(thrown).isInstanceOf(IOException.class);10}11}12at org.junit.Assert.assertEquals(Assert.java:115)13at org.junit.Assert.assertEquals(Assert.java:144)14at AssertionsCatchThrowableTest.testCatchThrowable(AssertionsCatchThrowableTest.java:13)
catchIOException
Using AI Code Generation
1public class Test {2 public void test() {3 }).isInstanceOf(IOException.class)4 .hasMessageContaining("error")5 .hasCauseInstanceOf(NullPointerException.class);6 }7}8public class Test {9 public void test() {10 }).isInstanceOf(IOException.class)11 .hasMessageContaining("error")
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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!