Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use Throwable.isA method of org.amshove.kluent.AnyExceptionType class

Best Kluent code snippet using org.amshove.kluent.AnyExceptionType.Throwable.isA

Exceptions.kt

Source:Exceptions.kt

1package org.amshove.kluent2import org.amshove.kluent.internal.ComparisonFailedException3import org.junit.ComparisonFailure4import kotlin.reflect.KClass5fun invoking(function: () -> Any?): () -> Any? = function6fun coInvoking(function: suspend () -> Any?): suspend () -> Any? = function7actual infix fun <T : Throwable> (() -> Any?).shouldThrow(expectedException: KClass<T>): ExceptionResult<T> {8    try {9        this.invoke()10        fail("There was an Exception expected to be thrown, but nothing was thrown", "$expectedException", "None")11        return ExceptionResult(expectedException as T)12    } catch (e: Throwable) {13        @Suppress("UNCHECKED_CAST")14        when {15            e.isA(ComparisonFailure::class) -> throw e16            e.isA(ComparisonFailedException::class) -> throw e17            e.isA(expectedException) -> return ExceptionResult(e as T)18            else -> throw ComparisonFailure(19                "Expected ${expectedException.javaObjectType} to be thrown",20                "${expectedException.javaObjectType}",21                "${e.javaClass}"22            )23        }24    }25}26suspend infix fun <T : Throwable> (suspend () -> Any?).shouldThrow(expectedException: KClass<T>): ExceptionResult<T> {27    try {28        this.invoke()29        fail("There was an Exception expected to be thrown, but nothing was thrown", "$expectedException", "None")30        return ExceptionResult(expectedException as T)31    } catch (e: Throwable) {32        @Suppress("UNCHECKED_CAST")33        when {34            e.isA(ComparisonFailure::class) -> throw e35            e.isA(ComparisonFailedException::class) -> throw e36            e.isA(expectedException) -> return ExceptionResult(e as T)37            else -> throw ComparisonFailure(38                "Expected ${expectedException.javaObjectType} to be thrown",39                "${expectedException.javaObjectType}",40                "${e.javaClass}"41            )42        }43    }44}45infix fun <T : Throwable> (() -> Any?).shouldNotThrow(expectedException: KClass<T>): NotThrowExceptionResult {46    return try {47        this.invoke()48        NotThrowExceptionResult(noException)49    } catch (e: Throwable) {50        if (expectedException.isAnyException()) {51            fail("Expected no Exception to be thrown", "No Exception", "${e.javaClass}")52        }53        if (e.isA(expectedException)) {54            fail(55                "Expected no Exception of type ${e::class.qualifiedName} to be thrown",56                "No Exception",57                e.toInformativeString()58            )59        }60        NotThrowExceptionResult(e)61    }62}63suspend infix fun <T : Throwable> (suspend () -> Any?).shouldNotThrow(expectedException: KClass<T>): NotThrowExceptionResult {64    return try {65        this.invoke()66        NotThrowExceptionResult(noException)67    } catch (e: Throwable) {68        if (expectedException.isAnyException()) {69            fail("Expected no Exception to be thrown", "No Exception", "${e.javaClass}")70        }71        if (e.isA(expectedException)) {72            fail(73                "Expected no Exception of type ${e::class.qualifiedName} to be thrown",74                "No Exception",75                e.toInformativeString()76            )77        }78        NotThrowExceptionResult(e)79    }80}81infix fun <T : Throwable> (() -> Any?).shouldThrow(expectedException: T) {82    try {83        this.invoke()84        fail("There was an Exception expected to be thrown, but nothing was thrown", "$expectedException", "None")85    } catch (e: Throwable) {86        if (e != expectedException) {87            throw ComparisonFailure("Expected $expectedException to be thrown", "$expectedException", "${e.javaClass}")88        }89    }90}91suspend infix fun <T : Throwable> (suspend () -> Any?).shouldThrow(expectedException: T) {92    try {93        this.invoke()94        fail("There was an Exception expected to be thrown, but nothing was thrown", "$expectedException", "None")95    } catch (e: Throwable) {96        if (e != expectedException) {97            throw ComparisonFailure("Expected $expectedException to be thrown", "$expectedException", "${e.javaClass}")98        }99    }100}101@Deprecated("Use shouldThrow instead", ReplaceWith("this shouldThrow expectedException"))102infix fun <T : Throwable> (() -> Any).shouldThrowTheException(expectedException: KClass<T>): ExceptionResult<T> =103    this shouldThrow expectedException104@Deprecated("Use shouldNotThrow instead", ReplaceWith("this shouldNotThrow expectedException"))105infix fun <T : Throwable> (() -> Any).shouldNotThrowTheException(expectedException: KClass<T>): NotThrowExceptionResult =106    this.shouldNotThrow(expectedException)107infix fun <T : Throwable> ExceptionResult<T>.withMessage(theMessage: String): ExceptionResult<T> {108    this.exceptionMessage shouldBeEqualTo theMessage109    return this110}111infix fun NotThrowExceptionResult.withMessage(theMessage: String): NotThrowExceptionResult {112    this.exceptionMessage shouldNotBeEqualTo theMessage113    return this114}115infix fun <T : Throwable> ExceptionResult<T>.withCause(expectedCause: KClass<out Throwable>): ExceptionResult<T> {116    this.exceptionCause shouldBeInstanceOf expectedCause.java117    return this118}119infix fun NotThrowExceptionResult.withCause(expectedCause: KClass<out Throwable>): NotThrowExceptionResult {120    this.exceptionCause shouldNotBeInstanceOf expectedCause.java121    return this122}123infix fun <T : Throwable, R> ExceptionResult<T>.with(block: T.() -> R): R = block(exception)124val AnyException = AnyExceptionType::class125class AnyExceptionType : Throwable()126internal val noException = Exception("None")127internal fun Throwable.isA(expected: KClass<out Throwable>) =128    expected.isAnyException() || expected.java.isAssignableFrom(this.javaClass)129internal fun <T : Throwable> KClass<T>.isAnyException() = this.javaObjectType == AnyException.javaObjectType130actual fun fail(message: String, expected: Any?, actual: Any?) {131    errorCollector.collectOrThrow(ComparisonFailedException(message, expected, actual))132}133actual fun fail(message: String?) {134    try {135        throw AssertionError(message)136    } catch (ex: AssertionError) {137        if (errorCollector.getCollectionMode() == ErrorCollectionMode.Soft) {138            errorCollector.pushError(ex)139        } else {140            throw assertionError(ex)141        }142    }143}144internal fun <T> join(theArray: Array<T>): String = theArray.joinToString(", ")145internal fun <T> join(theIterable: Iterable<T>): String = theIterable.joinToString(", ")146internal fun <R, T> join(theMap: Map<R, T>): String = theMap.entries.joinToString(", ")147private fun Throwable.toInformativeString() = when (this.message) {148    null -> "${this::class.qualifiedName}"149    else -> "${this::class.qualifiedName} (Message: \"${this.message}\")"150}...

Throwable.isA

Using AI Code Generation

1@JvmName ( "shouldThrow" ) fun < T : Throwable > (() -> Unit ). shouldThrow ( exceptionType : KClass < T > , message : String ? = null , noinline messageMatcher : (( String ) -> Boolean )? = null ) : T { val exception = this . shouldThrow ( exceptionType ) exception . message . shouldMatch ( message , messageMatcher ) return exception }2@JvmName ( "shouldThrow" ) fun < T : Throwable > (() -> Unit ). shouldThrow ( exceptionType : KClass < T > , message : String ? = null , noinline messageMatcher : (( String ) -> Boolean )? = null ) : T { val exception = this . shouldThrow ( exceptionType ) exception . message . shouldMatch ( message , messageMatcher ) return exception }3@JvmName ( "shouldThrow" ) fun < T : Throwable > (() -> Unit ). shouldThrow ( exceptionType : KClass < T > , message : String ? = null , noinline messageMatcher : (( String ) -> Boolean )? = null ) : T { val exception = this . shouldThrow ( exceptionType ) exception . message . shouldMatch ( message , messageMatcher ) return exception }4@JvmName ( "shouldThrow" ) fun < T : Throwable > (() -> Unit ). shouldThrow ( exceptionType : KClass < T > , message : String ? = null , noinline messageMatcher : (( String ) -> Boolean )? = null ) : T { val exception = this . shouldThrow ( exceptionType ) exception . message . shouldMatch ( message , messageMatcher ) return exception }5@JvmName ( "shouldThrow" ) fun < T : Throwable > (() -> Unit ). shouldThrow ( exceptionType : KClass < T > , message : String ? = null , noinline messageMatcher : (( String ) -> Boolean )? = null ) : T { val exception = this . shouldThrow ( exceptionType ) exception . message . shouldMatch ( message , messageMatcher ) return exception }6@JvmName ( "shouldThrow" ) fun < T : Throwable > (() -> Unit ). shouldThrow ( exceptionType : KClass < T > , message : String ? = null , noinline messageMatcher : (( String ) -> Boolean )? = null ) : T { val exception = this . shouldThrow ( exceptionType ) exception

Throwable.isA

Using AI Code Generation

1assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))2assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))3assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))4assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))5assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))6assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))7assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))8assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))9assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))10assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))11assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))12assertThat({ throw IllegalArgumentException() }, throwsExceptionOfType(IllegalArgumentException::class))

Throwable.isA

Using AI Code Generation

1import org.amshove.kluent.shouldThrow2import org.junit.Test3import java.lang.NumberFormatException4class KluentExceptionTest {5    fun `should throw NumberFormatException`() {6        shouldThrow<NumberFormatException> {7            number.toInt()8        }9    }10    fun `should throw NumberFormatException using isA method`() {11        shouldThrow<AnyExceptionType> {12            number.toInt()13        }.isA<NumberFormatException>()14    }15}

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.