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How to use catchThrowable method of com.sksamuel.kotest.throwablehandling.FooRuntimeException class

Best Kotest code snippet using com.sksamuel.kotest.throwablehandling.FooRuntimeException.catchThrowable

CovariantThrowableHandlingTest.kt

Source:CovariantThrowableHandlingTest.kt

...128         }129         "Should not throw an exception" - {130            "When no exception is thrown" {131               onShouldNotThrowMatcher<ParentException> { shouldNotThrowMatcher ->132                  val thrown = catchThrowable {133                     shouldNotThrowMatcher { /* Nothing thrown */ }134                  }135                  thrown shouldBe null136               }137            }138         }139      }140      "should throw with message" - {141         "When the correct exception is thrown, but the message is wrong" {142            onShouldThrowWithMessageMatcher<Exception>("foo") { shouldThrowMatcher ->143               verifyThrowsWrongExceptionMessage("foo", "bar") {144                  shouldThrowMatcher { throw Exception("bar") }145               }146            }147         }148         "Exception class type should have priority in assertion" {149            val instanceToThrow = Exception("foo")150            runCatching {151               shouldThrowWithMessage<RuntimeException>("bar") {152                  throw instanceToThrow153               }154            }155               .exceptionOrNull() shouldBe AssertionError("Expected exception java.lang.RuntimeException but a Exception was thrown instead.")156         }157      }158   }159   private fun <T> onShouldThrowWithMessageMatcher(message: String, func: (ShouldThrowMatcher<T>) -> Unit) {160      func { shouldThrowUnitWithMessage(message, it) }161      func { shouldThrowWithMessage(message, it) }162   }163   private inline fun <reified T : Throwable> onShouldThrowMatcher(func: (ShouldThrowMatcher<T>) -> Unit) {164      func(::shouldThrowUnit)165      func { shouldThrow(it) }166   }167   private fun verifyNoExceptionThrownError(expectedClass: KClass<*>, block: () -> Unit) {168      val throwable = catchThrowable(block)169      throwable.shouldBeInstanceOf<AssertionError>()170      throwable.message shouldBe "Expected exception ${expectedClass.qualifiedName} but no exception was thrown."171   }172   private fun verifyThrowsAssertionErrorInstance(assertionErrorInstance: AssertionError, block: () -> Unit) {173      val throwable = catchThrowable(block)174      (throwable === assertionErrorInstance).shouldBeTrue()175   }176   private fun verifyThrowsWrongExceptionClass(177      thrownInstance: Throwable,178      expectedClass: KClass<*>,179      incorrectClass: KClass<*>,180      block: () -> Unit181   ) {182      val throwable = catchThrowable(block)183      throwable.shouldBeInstanceOf<AssertionError>()184      throwable.message shouldBe "Expected exception ${expectedClass.qualifiedName} but a ${incorrectClass.simpleName} was thrown instead."185      (throwable.cause === thrownInstance).shouldBeTrue()186   }187   private fun verifyThrowsWrongExceptionMessage(188      expectedMessage: String,189      actualMessage: String,190      block: () -> Unit191   ) {192      val throwable = catchThrowable(block)193      throwable.shouldBeInstanceOf<AssertionError>()194      throwable.message shouldBe "Expected exception message $expectedMessage but was $actualMessage instead."195   }196   private fun verifyReturnsExactly(thrownException: Throwable, block: () -> Any?) {197      val actualReturn = block()198      (thrownException === actualReturn).shouldBeTrue()199   }200   private inline fun <reified T : Throwable> onShouldNotThrowMatcher(func: (ShouldNotThrowMatcher<T>) -> Unit) {201      func { shouldNotThrowUnit<T> { it() } }202      func { shouldNotThrow<T>(it) }203   }204   private fun verifyThrowsAssertionWrapping(exception: Throwable, block: () -> Unit) {205      val thrown = catchThrowable(block)206      thrown.shouldBeInstanceOf<AssertionError>()207      thrown.message shouldBe "No exception expected, but a ${exception::class.simpleName} was thrown."208      thrown.cause shouldBeSameInstanceAs exception209   }210   private fun verifyThrowsExactly(exception: Throwable, block: () -> Unit) {211      val thrown = catchThrowable(block)212      thrown shouldBeSameInstanceAs exception213   }214}215private typealias ShouldThrowMatcher<T> = (() -> Unit) -> T216private typealias ShouldNotThrowMatcher<T> = (() -> Unit) -> Unit...

StrictThrowableHandlingTest.kt

Source:StrictThrowableHandlingTest.kt

...126    func(::shouldThrowExactlyUnit)127    func { shouldThrowExactly(it) }128  }129  private fun verifyNoExceptionThrownError(expectedClass: KClass<*>, block: () -> Unit) {130    val throwable = catchThrowable(block)131    throwable.shouldBeInstanceOf<AssertionError>()132    throwable.message shouldBe "Expected exception ${expectedClass.qualifiedName} but no exception was thrown."133  }134  private fun verifyThrowsAssertionErrorInstance(assertionErrorInstance: AssertionError, block: () -> Unit) {135    val throwable = catchThrowable(block)136    (throwable === assertionErrorInstance).shouldBeTrue()137  }138  private fun verifyThrowsWrongExceptionClass(thrownInstance: Throwable, expectedClass: KClass<*>, incorrectClass: KClass<*>, block: () -> Unit) {139    val throwable = catchThrowable(block)140    throwable.shouldBeInstanceOf<AssertionError>()141    throwable.message shouldBe "Expected exception ${expectedClass.qualifiedName} but a ${incorrectClass.simpleName} was thrown instead."142    (throwable.cause === thrownInstance).shouldBeTrue()143  }144  private fun verifyReturnsExactly(thrownException: Throwable, block: () -> Any?) {145    val actualReturn = block()146    (thrownException === actualReturn).shouldBeTrue()147  }148  private inline fun <reified T : Throwable> onShouldNotThrowExactlyMatcher(func: (ShouldNotThrowExactlyMatcher) -> Unit) {149    func { shouldNotThrowExactly<T>(it) }150    func { shouldNotThrowExactlyUnit<T>(it) }151  }152  private fun verifyThrowsAssertionWrapping(thrownException: FooRuntimeException, block: () -> Unit) {153    val thrown = catchThrowable(block)154    thrown!!.shouldBeInstanceOf<AssertionError>()155    thrown.message shouldBe "No exception expected, but a FooRuntimeException was thrown."156    thrown.cause shouldBeSameInstanceAs thrownException157  }158  private fun verifyThrowsExactly(thrownException: Throwable, block: () -> Unit) {159    catchThrowable(block).shouldBeSameInstanceAs(thrownException)160  }161  private fun verifyNoErrorIsThrown(block: () -> Unit) {162    block()163  }164}165private typealias ShouldThrowExactlyMatcher<T> = (() -> Unit) -> T166private typealias ShouldNotThrowExactlyMatcher = (() -> Unit) -> Unit...

AnyThrowableHandlingTest.kt

Source:AnyThrowableHandlingTest.kt

...53    func(::shouldThrowAny)54    func(::shouldThrowAnyUnit)55  }56  private fun verifyThrowsNoExceptionError(block: () -> Unit) {57    val thrown = catchThrowable(block)58    thrown.shouldBeInstanceOf<AssertionError>()59    thrown.message shouldBe "Expected a throwable, but nothing was thrown."60  }61  private fun verifyReturnsExactly(thrownInstance: Throwable, block: () -> Any?) {62    val actualReturn = block()63    (actualReturn === thrownInstance).shouldBeTrue()64  }65  private inline fun onShouldNotThrowAnyMatcher(func: (ShouldNotThrowAnyMatcher) -> Unit) {66    func(::shouldNotThrowAny)67    func(::shouldNotThrowAnyUnit)68  }69  private fun verifyThrowsAssertionWrapping(throwable: Throwable, block: () -> Any?) {70    val thrownException = catchThrowable(block)71    thrownException.shouldBeInstanceOf<AssertionError>()72    thrownException.message shouldBe "No exception expected, but a ${throwable::class.simpleName} was thrown."73    thrownException.cause shouldBeSameInstanceAs throwable74  }75  private fun verifyNoErrorIsThrown(block: () -> Unit) {76    catchThrowable(block) shouldBe null77  }78}79private typealias ShouldThrowAnyMatcher = (() -> Unit) -> Throwable80private typealias ShouldNotThrowAnyMatcher = (() -> Unit) -> Unit...

ThrowableHandlingScenarioHelpers.kt

Source:ThrowableHandlingScenarioHelpers.kt

1package com.sksamuel.kotest.throwablehandling2class FooRuntimeException : RuntimeException()3open class ParentException : Throwable()4class SubException : ParentException()5fun catchThrowable(block: () -> Any?): Throwable? {6  return try {7    block()8    null9  } catch (t: Throwable) { t }10}...

catchThrowable

Using AI Code Generation

1import com.sksamuel.kotest.throwablehandling.FooRuntimeException2import io.kotest.core.spec.style.StringSpec3import io.kotest.matchers.shouldBe4import io.kotest.assertions.throwablehandling.catchThrowable5class FooRuntimeExceptionTest : StringSpec({6"this test will pass" {7val fooRuntimeException = FooRuntimeException()8val result = catchThrowable { fooRuntimeException.throwFooRuntimeException() }9}10})11import com.sksamuel.kotest.throwablehandling.BarRuntimeException12import io.kotest.core.spec.style.StringSpec13import io.kotest.matchers.shouldBe14import io.kotest.assertions.throwablehandling.catchThrowable15class BarRuntimeExceptionTest : StringSpec({16"this test will fail" {17val barRuntimeException = BarRuntimeException()18val result = catchThrowable { barRuntimeException.throwBarRuntimeException() }19}20})

catchThrowable

Using AI Code Generation

1val fooRuntimeException = catchThrowable { throw FooRuntimeException() }2val barRuntimeException = catchThrowable { throw BarRuntimeException() }3val fooException = catchThrowable { throw FooException() }4val barException = catchThrowable { throw BarException() }5val fooError = catchThrowable { throw FooError() }6val barError = catchThrowable { throw BarError() }7val fooThrowable = catchThrowable { throw FooThrowable() }8val barThrowable = catchThrowable { throw BarThrowable() }9val fooThrowable = catchThrowable { throw FooThrowable() }10val barThrowable = catchThrowable { throw BarThrowable() }11val fooThrowable = catchThrowable { throw FooThrowable() }12val barThrowable = catchThrowable { throw BarThrowable() }13val fooThrowable = catchThrowable { throw FooThrowable() }14val barThrowable = catchThrowable { throw BarThrowable() }15val fooThrowable = catchThrowable { throw FooThrowable() }

catchThrowable

Using AI Code Generation

1catchThrowable { foo() } shouldThrow FooRuntimeException::class2catchThrowable { foo() } shouldThrow BarRuntimeException::class3catchThrowable { foo() } shouldNotThrow FooRuntimeException::class4catchThrowable { foo() } shouldNotThrow BarRuntimeException::class5catchThrowable { foo() } shouldNotThrow FooRuntimeException::class6catchThrowable { foo() } shouldNotThrow BarRuntimeException::class7catchThrowable { foo() } shouldNotThrow FooRuntimeException::class8catchThrowable { foo() } shouldNotThrow BarRuntimeException::class9catchThrowable { foo() } shouldNotThrow FooRuntimeException::class10catchThrowable { foo() } shouldNotThrow BarRuntimeException::class11catchThrowable { foo() } shouldNotThrow FooRuntimeException::class12catchThrowable { foo() } shouldNotThrow BarRuntimeException::class13catchThrowable { foo() } shouldNotThrow FooRuntimeException::class14catchThrowable { foo() } shouldNotThrow BarRuntimeException::class

catchThrowable

Using AI Code Generation

1val fooRuntimeException = FooRuntimeException()2val thrown = catchThrowable { fooRuntimeException.throwFooRuntimeException() }3val barRuntimeException = BarRuntimeException()4val thrown = catchThrowable { barRuntimeException.throwBarRuntimeException() }5val bazRuntimeException = BazRuntimeException()6val thrown = catchThrowable { bazRuntimeException.throwBazRuntimeException() }7val quxRuntimeException = QuxRuntimeException()8val thrown = catchThrowable { quxRuntimeException.throwQuxRuntimeException() }9val quuxRuntimeException = QuuxRuntimeException()10val thrown = catchThrowable { quuxRuntimeException.throwQuuxRuntimeException() }11val corgeRuntimeException = CorgeRuntimeException()12val thrown = catchThrowable { corgeRuntimeException.throwCorgeRuntimeException() }13val garplyRuntimeException = GarplyRuntimeException()14val thrown = catchThrowable { garplyRuntimeException.throwGarplyRuntimeException() }15val waldoRuntimeException = WaldoRuntimeException()16val thrown = catchThrowable { waldoRuntimeException.throwWaldoRuntimeException() }17val fredRuntimeException = FredRuntimeException()18val thrown = catchThrowable { fredRuntimeException.throwFredRuntimeException() }19val plughRuntimeException = PlughRuntimeException()20val thrown = catchThrowable { plughRuntimeException.throwPlughRuntimeException() }21val xyzzyRuntimeException = XyzzyRuntimeException()22val thrown = catchThrowable { xyzzyRuntimeException.throwXyzzyRuntimeException() }

catchThrowable

Using AI Code Generation

1    val result = catchThrowable { throw FooRuntimeException("foo") }2    val result = assertThrows<FooRuntimeException> { throw FooRuntimeException("foo") }3    val result = catchThrowableOfType<FooRuntimeException> { throw FooRuntimeException("foo") }4    val result = catchThrowableOfType<FooRuntimeException> { throw FooRuntimeException("foo") }5    val result = catchThrowableOfType<FooRuntimeException> { throw FooRuntimeException("foo") }6    val result = catchThrowableOfType<FooRuntimeException> { throw FooRuntimeException("foo") }7    val result = catchThrowableOfType<FooRuntimeException> { throw FooRuntimeException("foo") }8    val result = catchThrowableOfType<FooRuntimeException> { throw FooRuntimeException("foo") }9    val result = catchThrowableOfType<FooRuntimeException> { throw FooRuntimeException("foo") }10    val result = catchThrowableOfType<FooRuntimeException> { throw FooRuntimeException("foo") }

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