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How to use resultForThrowable method of io.kotest.matchers.throwable.matchers class

Best Kotest code snippet using io.kotest.matchers.throwable.matchers.resultForThrowable

matchers.kt

Source:matchers.kt

...18  block.invoke(cause!!)19}20fun Throwable.shouldNotHaveCause() = this shouldNot haveCause()21fun haveCause() = object : Matcher<Throwable> {22  override fun test(value: Throwable) = resultForThrowable(value.cause)23}24inline fun <reified T : Throwable> Throwable.shouldHaveCauseInstanceOf() = this should haveCauseInstanceOf<T>()25inline fun <reified T : Throwable> Throwable.shouldNotHaveCauseInstanceOf() = this shouldNot haveCauseInstanceOf<T>()26inline fun <reified T : Throwable> haveCauseInstanceOf() = object : Matcher<Throwable> {27  override fun test(value: Throwable) = when {28    value.cause == null -> resultForThrowable(value.cause)29    else -> MatcherResult(30        value.cause is T,31        "Throwable cause should be of type ${T::class}, but instead got ${value::class}",32        "Throwable cause should be of type ${T::class}"33    )34  }35}36inline fun <reified T : Throwable> Throwable.shouldHaveCauseOfType() = this should haveCauseOfType<T>()37inline fun <reified T : Throwable> Throwable.shouldNotHaveCauseOfType() = this shouldNot haveCauseOfType<T>()38inline fun <reified T : Throwable> haveCauseOfType() = object : Matcher<Throwable> {39  override fun test(value: Throwable) = when (value.cause) {40      null -> resultForThrowable(value.cause)41      else -> MatcherResult(42         value.cause!!::class == T::class,43         "Throwable cause should be of type ${T::class}, but instead got ${value::class}",44         "Throwable cause should be of type ${T::class}"45      )46  }47}48@PublishedApi49internal fun resultForThrowable(value: Throwable?) = MatcherResult(50    value != null,51    "Throwable should have a cause",52    "Throwable should not have a cause"53)...

resultForThrowable

Using AI Code Generation

1resultForThrowable { 1 / 0 } shouldBe 02resultForThrowable { 1 / 0 } shouldBe 13resultForThrowable { 1 / 0 } shouldBe 24resultForThrowable { 1 / 0 } shouldBe 35resultForThrowable { 1 / 0 } shouldBe 46resultForThrowable { 1 / 0 } shouldBe 57resultForThrowable { 1 / 0 } shouldBe 68resultForThrowable { 1 / 0 } shouldBe 79resultForThrowable { 1 / 0 } shouldBe 810resultForThrowable { 1 / 0 } shouldBe 911resultForThrowable { 1 / 0 } shouldBe 1012resultForThrowable { 1 / 0 } shouldBe 1113resultForThrowable { 1 / 0 } shouldBe 1214resultForThrowable { 1 / 0 } shouldBe 1315resultForThrowable { 1 /

resultForThrowable

Using AI Code Generation

1resultForThrowable { throw Exception("exception") } shouldBe "exception"2shouldThrow<Exception> { throw Exception("exception") }.message shouldBe "exception"3shouldThrowAny { throw Exception("exception") }.message shouldBe "exception"4shouldNotThrow { "test" } shouldBe "test"5shouldThrowExactly<Exception> { throw Exception("exception") }.message shouldBe "exception"6shouldThrowAnyOf<Exception, IllegalArgumentException> { throw Exception("exception") }.message shouldBe "exception"7shouldThrowExactlyAnyOf<Exception, IllegalArgumentException> { throw Exception("exception") }.message shouldBe "exception"8shouldThrowAnyOf<Exception, IllegalArgumentException> { throw Exception("exception") }.message shouldBe "exception"9shouldThrowExactlyAnyOf<Exception, IllegalArgumentException> { throw Exception("exception") }.message shouldBe "exception"10shouldThrowAnyOf<Exception, IllegalArgumentException> { throw Exception("exception") }.message shouldBe "exception"11shouldThrowExactlyAnyOf<Exception, IllegalArgumentException> { throw Exception("exception") }.message shouldBe "exception"12shouldThrowAnyOf<Exception, IllegalArgumentException> { throw Exception("exception") }.message shouldBe "exception"

resultForThrowable

Using AI Code Generation

1resultForThrowable { throw Exception("Error") } shouldBeInstanceOf Exception::class2resultForThrowable { throw Exception("Error") } shouldNotBeInstanceOf Exception::class3resultForThrowable { throw Exception("Error") } shouldHaveMessage "Error"4resultForThrowable { throw Exception("Error") } shouldHaveCauseInstanceOf Exception::class5resultForThrowable { throw Exception("Error") } shouldHaveCauseInstanceOf Exception::class6resultForThrowable { throw Exception("Error") } shouldHaveCauseInstanceOf Exception::class7resultForThrowable { throw Exception("Error") } shouldHaveCauseInstanceOf Exception::class8resultForThrowable { throw Exception("Error") } shouldHaveCauseInstanceOf Exception::class9resultForThrowable { throw Exception("Error") } shouldHaveCauseInstanceOf Exception::class10resultForThrowable { throw Exception("Error") } shouldHaveCauseInstanceOf Exception::class11resultForThrowable { throw Exception("Error") } shouldHaveCauseInstanceOf Exception::class12resultForThrowable { throw Exception("Error") } shouldHaveCauseInstanceOf Exception::class13resultForThrowable { throw Exception("Error") } shouldHaveCauseInstanceOf Exception::class

resultForThrowable

Using AI Code Generation

1    resultForThrowable { throw RuntimeException("Hi") } shouldBe "Hi"2    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldBe "Hi"3    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldHaveMessage "Hi"4    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldHaveCause RuntimeException("Hi")5    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldHaveCause RuntimeException("Hi")6    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldHaveCause RuntimeException("Hi")7    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldHaveCause RuntimeException("Hi")8    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldHaveCause RuntimeException("Hi")9    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldHaveCause RuntimeException("Hi")10    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldHaveCause RuntimeException("Hi")11    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldHaveCause RuntimeException("Hi")12    shouldThrow<RuntimeException> { throw RuntimeException("Hi") } shouldHaveCause RuntimeException("Hi")

resultForThrowable

Using AI Code Generation

1resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("Hello")2resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("World")3resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("Hello").withMessage("World")4resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("Hello").withCause(RuntimeException("World"))5resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("Hello").withCause(RuntimeException("World")).withMessage("World")6resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("Hello").withCause(RuntimeException("World")).withMessage("World")7resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("Hello").withCause(RuntimeException("World")).withMessage("World")8resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("Hello").withCause(RuntimeException("World")).withMessage("World")9resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("Hello").withCause(RuntimeException("World")).withMessage("World")10resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("Hello").withCause(RuntimeException("World")).withMessage("World")11resultForThrowable { throw RuntimeException("Hello") } shouldBe RuntimeException("Hello").withCause(RuntimeException("World

resultForThrowable

Using AI Code Generation

1resultForThrowable { throw RuntimeException( "Exception message" ) } . shouldHaveMessage( "Exception message" )2resultForThrowable { throw RuntimeException( "Exception message" ) } . shouldHaveMessageContaining( "Exception" )3resultForThrowable { throw RuntimeException( "Exception message" ) } . shouldHaveCauseInstanceOf< RuntimeException >()4resultForThrowable { throw RuntimeException( "Exception message" ) } . shouldHaveCause< RuntimeException >()5resultForThrowable { throw RuntimeException( "Exception message" ) } . shouldHaveCauseMessage( "Exception message" )6resultForThrowable { throw RuntimeException( "Exception message" ) } . shouldHaveCauseMessageContaining( "Exception" )7resultForThrowable { throw RuntimeException( "Exception message" ) } . shouldHaveCause( RuntimeException( "Exception message" ) )8resultForThrowable { throw RuntimeException( "Exception message" ) } . shouldHaveCause( RuntimeException( "Exception message" ) ) { cause -> cause . shouldHaveMessage( "Exception message" ) }9resultForThrowable { throw RuntimeException( "Exception message" ) } . shouldHaveCause( RuntimeException( "Exception message" ) ) { cause -> cause . shouldHaveMessage( "Exception message" ) }

resultForThrowable

Using AI Code Generation

1it("should throw exception if the input is not valid") {2shouldThrow<InvalidInputException> {3resultForThrowable { findMax(listOf()) }4}5}6}7}

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