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

Copied to Clipboard!

How to use verifyReturnsExactly method of com.sksamuel.kotest.throwablehandling.StrictThrowableHandlingTest class

Best Kotest code snippet using com.sksamuel.kotest.throwablehandling.StrictThrowableHandlingTest.verifyReturnsExactly

StrictThrowableHandlingTest.kt

Source:StrictThrowableHandlingTest.kt

...58      "Should return the thrown exception" - {59        "When an exception is thrown, and it's exactly the right class" {60          val thrownException = FooRuntimeException()61          onShouldThrowExactlyMatcher<FooRuntimeException> { shouldThrowExactlyMatcher ->62            verifyReturnsExactly(thrownException) {63              shouldThrowExactlyMatcher { throw thrownException }64            }65          }66        }67        "When an AssertionError is thrown, and it's exactly the right class" {68          val thrownException = AssertionError()69          onShouldThrowExactlyMatcher<AssertionError> { shouldThrowExactlyMatcher ->70            verifyReturnsExactly(thrownException) {71              shouldThrowExactlyMatcher { throw thrownException }72            }73          }74        }75      }76    }77    "Should not throw exactly" - {78      "Should throw an assertion error wrapping the thrown exception" - {79        "When the exact class is thrown" {80          val thrownException = FooRuntimeException()81          onShouldNotThrowExactlyMatcher<FooRuntimeException> { shouldNotThrowExactlyMatcher ->82            verifyThrowsAssertionWrapping(thrownException) {83              shouldNotThrowExactlyMatcher { throw thrownException }84            }85          }86        }87      }88      "Should throw the thrown exception" - {89        "When it's a subclass of the expected type" {90          val thrownException = SubException()91          onShouldNotThrowExactlyMatcher<ParentException> { shouldNotThrowExactlyMatcher ->92            verifyThrowsExactly(thrownException) {93              shouldNotThrowExactlyMatcher { throw thrownException }94            }95          }96        }97        "When it's a super class of the expected type" {98          val thrownException = ParentException()99          onShouldNotThrowExactlyMatcher<SubException> { shouldNotThrowExactlyMatcher ->100            verifyThrowsExactly(thrownException) {101              shouldNotThrowExactlyMatcher { throw thrownException }102            }103          }104        }105        "When it's unrelated to the expected type" {106          val thrownException = FooRuntimeException()107          onShouldNotThrowExactlyMatcher<ParentException> { shouldNotThrowExactlyMatcher ->108            verifyThrowsExactly(thrownException) {109              shouldNotThrowExactlyMatcher { throw thrownException }110            }111          }112        }113      }114      "Should not throw anything" - {115        "When nothing is thrown" {116          onShouldNotThrowExactlyMatcher<FooRuntimeException> { shouldNotThrowExactlyMatcher ->117            verifyNoErrorIsThrown {118              shouldNotThrowExactlyMatcher { /* Success */ }119            }120          }121        }122      }123    }124  }125  private inline fun <reified T : Throwable> onShouldThrowExactlyMatcher(func: (ShouldThrowExactlyMatcher<T>) -> Unit) {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) {...

verifyReturnsExactly

Using AI Code Generation

1verifyReturnsExactly(2) { throw RuntimeException() }2verifyReturnsExactly(2) { throw RuntimeException() }3verifyReturnsExactly(2) { throw RuntimeException() }4verifyReturnsExactly(2) { throw RuntimeException() }5verifyReturnsExactly(2) { throw RuntimeException() }6verifyReturnsExactly(2) { throw RuntimeException() }7verifyReturnsExactly(2) { throw RuntimeException() }8verifyReturnsExactly(2) { throw RuntimeException() }9verifyReturnsExactly(2) { throw RuntimeException() }10verifyReturnsExactly(2) { throw RuntimeException() }11verifyReturnsExactly(2) { throw RuntimeException() }12verifyReturnsExactly(2) { throw RuntimeException() }13verifyReturnsExactly(2) { throw RuntimeException() }14verifyReturnsExactly(2) { throw RuntimeException() }

verifyReturnsExactly

Using AI Code Generation

1class StrictThrowableHandlingTest {2fun verifyReturnsExactly() {3val t = Throwable()4val result = verifyReturnsExactly(3, t) {5}6}7}8class StrictThrowableHandlingTest {9fun verifyReturnsExactly() {10val t = Throwable()11val result = verifyReturnsExactly(3, t) {12}13}14}15class StrictThrowableHandlingTest {16fun verifyReturnsExactly() {17val t = Throwable()18val result = verifyReturnsExactly(3, t) {19}20}21}22class StrictThrowableHandlingTest {23fun verifyReturnsExactly() {24val t = Throwable()25val result = verifyReturnsExactly(3, t) {26}27}28}29class StrictThrowableHandlingTest {30fun verifyReturnsExactly() {31val t = Throwable()32val result = verifyReturnsExactly(3, t) {33}34}35}36class StrictThrowableHandlingTest {37fun verifyReturnsExactly() {38val t = Throwable()39val result = verifyReturnsExactly(3, t) {40}41}42}43class StrictThrowableHandlingTest {44fun verifyReturnsExactly() {45val t = Throwable()46val result = verifyReturnsExactly(3, t) {47}48}49}

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.