How to use onShouldThrowAnyMatcher method of com.sksamuel.kotest.throwablehandling.AnyThrowableHandlingTest class

Best Kotest code snippet using com.sksamuel.kotest.throwablehandling.AnyThrowableHandlingTest.onShouldThrowAnyMatcher

AnyThrowableHandlingTest.kt

Source:AnyThrowableHandlingTest.kt Github

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...9import io.kotest.matchers.types.shouldBeInstanceOf10import io.kotest.matchers.types.shouldBeSameInstanceAs11class AnyThrowableHandlingTest : FreeSpec() {12 init {13 onShouldThrowAnyMatcher { shouldThrowAnyMatcher ->14 "Should throw any ($shouldThrowAnyMatcher)" - {15 "Should throw an exception" - {16 "When no exception is thrown in the code" {17 verifyThrowsNoExceptionError {18 shouldThrowAnyMatcher { /* No exception being thrown */ }19 }20 }21 }22 "Should return the thrown instance" - {23 "When an exception is thrown in the code" {24 val instanceToThrow = FooRuntimeException()25 verifyReturnsExactly(instanceToThrow) {26 shouldThrowAnyMatcher { throw instanceToThrow }27 }28 }29 }30 }31 }32 onShouldNotThrowAnyMatcher { shouldNotThrowAnyMatcher ->33 "Should not throw any($shouldNotThrowAnyMatcher)" - {34 "Should throw an exception" - {35 "When any exception is thrown in the code" {36 val exception = FooRuntimeException()37 verifyThrowsAssertionWrapping(exception) {38 shouldNotThrowAnyMatcher { throw exception }39 }40 }41 }42 "Should not throw an exception" - {43 "When no exception is thrown in the code" {44 verifyNoErrorIsThrown {45 shouldNotThrowAnyMatcher { /* Nothing thrown */ }46 }47 }48 }49 }50 }51 }52 private inline fun onShouldThrowAnyMatcher(func: (ShouldThrowAnyMatcher) -> Unit) {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)...

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onShouldThrowAnyMatcher

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1import io.kotest.assertions.throwables.shouldThrowAny2import io.kotest.core.spec.style.FunSpec3import io.kotest.matchers.throwable.shouldHaveMessage4import io.kotest.matchers.throwable.shouldHaveMessageContaining5import io.kotest.matchers.throwable.shouldHaveMessageStartingWith6import io.kotest.matchers.throwable.shouldHaveMessageEndingWith7import io.kotest.matchers.throwable.shouldHaveMessageMatching8import io.kotest.matchers.throwable.shouldHaveCause9import io.kotest.matchers.throwable.shouldHaveCauseInstanceOf10import io.kotest.matchers.throwable.shouldHaveCauseWithMessage11import io.kotest.matchers.throwable.shouldHaveCauseWithMessageContaining12import io.kotest.matchers.throwable.shouldHaveCauseWithMessageStartingWith13import io.kotest.matchers.throwable.shouldHaveCauseWithMessageEndingWith14import io.kotest.matchers.throwable.shouldHaveCauseWithMessageMatching15class AnyThrowableHandlingTest : FunSpec({16 test("shouldThrowAny should throw an exception if no exception is thrown") {17 shouldThrowAny {18 }19 }20 test("shouldThrowAny should throw an exception if no exception is thrown - lambda") {21 shouldThrowAny {22 }23 }24 test("shouldThrowAny should throw an exception if no exception is thrown - function") {25 shouldThrowAny {26 }27 }28 test("shouldThrowAny should throw an exception if no exception is thrown - suspend function") {29 shouldThrowAny {30 }31 }32 test("shouldThrowAny should throw an exception if no exception is thrown - suspend lambda") {33 shouldThrowAny {34 }35 }36 test("shouldThrowAny should throw an exception if no exception is thrown - function with args") {37 shouldThrowAny {38 }39 }40 test("shouldThrowAny should throw an exception if no exception is thrown - suspend function with args") {41 shouldThrowAny {42 }43 }44 test("shouldThrowAny should throw an exception if no exception is thrown - lambda with args") {45 shouldThrowAny {46 }47 }

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onShouldThrowAnyMatcher

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1import io.kotest.assertions.throwables.shouldThrowAny2import io.kotest.core.spec.style.FunSpec3class AnyThrowableHandlingTest : FunSpec({4 test("shouldThrowAny should throw if the block does not throw") {5 shouldThrowAny {6 }7 }8})9import io.kotest.assertions.throwables.shouldThrowAny10import io.kotest.core.spec.style.FunSpec11class AnyThrowableHandlingTest : FunSpec({12 test("shouldThrowAny should throw if the block does not throw") {13 shouldThrowAny {14 }15 }16})17import io.kotest.assertions.throwables.shouldThrowAny18import io.kotest.core.spec.style.FunSpec19class AnyThrowableHandlingTest : FunSpec({20 test("shouldThrowAny should throw if the block does not throw") {21 shouldThrowAny {22 }23 }24})25import io.kotest.assertions.throwables.shouldThrowAny26import io.kotest.core.spec.style.FunSpec27class AnyThrowableHandlingTest : FunSpec({28 test("shouldThrowAny should throw if the block does not throw") {29 shouldThrowAny {30 }31 }32})33import io.kotest.assertions.throwables.shouldThrowAny34import io.kotest.core.spec.style.FunSpec35class AnyThrowableHandlingTest : FunSpec({36 test("shouldThrowAny should throw if the block does not throw") {37 shouldThrowAny {38 }39 }40})

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onShouldThrowAnyMatcher

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1import io.kotest.assertions.throwables.shouldThrowAny2import io.kotest.core.spec.style.FunSpec3import io.kotest.matchers.shouldBe4class AnyThrowableHandlingTest : FunSpec() {5 init {6 test("shouldThrowAny should pass if any exception is thrown") {7 shouldThrowAny {8 throw IllegalArgumentException("Boom!")9 }10 }11 test("shouldThrowAny should fail if no exception is thrown") {12 shouldThrowAny<IllegalArgumentException> {13 } shouldBe IllegalArgumentException("Boom!")14 }15 }16}17import io.kotest.assertions.throwables.shouldThrowAny18import io.kotest.core.spec.style.FunSpec19import io.kotest.matchers.shouldBe20class AnyThrowableHandlingTest : FunSpec() {21 init {22 test("shouldThrowAny should pass if any exception is thrown") {23 shouldThrowAny {24 throw IllegalArgumentException("Boom!")25 }26 }27 test("shouldThrowAny should fail if no exception is thrown") {28 shouldThrowAny<IllegalArgumentException> {29 } shouldBe IllegalArgumentException("Boom!")30 }31 }32}33import io.kotest.assertions.throwables.shouldThrowAny34import io.kotest.core.spec.style.FunSpec35import io.kotest.matchers.shouldBe36class AnyThrowableHandlingTest : FunSpec() {37 init {38 test("shouldThrowAny should pass if any exception is thrown") {39 shouldThrowAny {40 throw IllegalArgumentException("Boom!")41 }42 }43 test("shouldThrowAny should fail if no exception is thrown") {44 shouldThrowAny<IllegalArgumentException> {45 } shouldBe IllegalArgumentException("Boom!")46 }47 }48}49import io.kotest.assertions.throwables.shouldThrowAny50import io.kotest.core.spec.style.FunSpec51import io.kotest.matchers.shouldBe52class AnyThrowableHandlingTest : FunSpec() {53 init {54 test("shouldThrowAny should pass if any exception is thrown") {55 shouldThrowAny {56 throw IllegalArgumentException("Boom!")57 }58 }

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onShouldThrowAnyMatcher

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1import io.kotest.matchers.throwable.shouldThrowAny2fun AnyThrowableHandlingTest.shouldThrowAnyMatcher() {3 val exception = shouldThrowAny {4 throw RuntimeException("boom")5 }6}7import io.kotest.matchers.throwable.shouldThrowAny8fun UnitThrowableHandlingTest.shouldThrowAnyUnitMatcher() {9 val exception = shouldThrowAny {10 throw RuntimeException("boom")11 }12}13import io.kotest.matchers.throwable.shouldThrowAny14fun UnitThrowableHandlingTest.shouldThrowAnyUnitMatcher() {15 val exception = shouldThrowAny {16 throw RuntimeException("boom")17 }18}19import io.kotest.matchers.throwable.shouldThrowAny20fun UnitThrowableHandlingTest.shouldThrowAnyUnitMatcher() {21 val exception = shouldThrowAny {22 throw RuntimeException("boom")23 }24}

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