How to use CompletableFuture.shouldBeCancelled method of io.kotest.matchers.future.matchers class

Best Kotest code snippet using io.kotest.matchers.future.matchers.CompletableFuture.shouldBeCancelled

FutureMatcherTest.kt

Source:FutureMatcherTest.kt

1package com.sksamuel.kotest.matchers.future2import io.kotest.assertions.throwables.shouldThrowMessage3import io.kotest.core.spec.style.StringSpec4import io.kotest.matchers.future.*5import kotlinx.coroutines.delay6import java.util.concurrent.CompletableFuture7import java.util.concurrent.Executors8class FutureMatcherTest : StringSpec({9   "test future is completed" {10      val completableFuture = CompletableFuture<Int>()11      completableFuture.complete(2)12      completableFuture.shouldBeCompleted()13   }14   "test future is not completed" {15      val completableFuture = CompletableFuture<Int>()16      completableFuture.shouldNotBeCompleted()17   }18   "test future is cancelled" {19      val completableFuture = CompletableFuture<Int>()20      completableFuture.cancel(true)21      completableFuture.shouldBeCancelled()22   }23   "test future is not cancelled" {24      val completableFuture = CompletableFuture<Int>()25      completableFuture.shouldNotBeCancelled()26   }27   "test future is completed exceptionally" {28      val completableFuture = CompletableFuture<Int>()29      Executors.newFixedThreadPool(1).submit {30         completableFuture.cancel(false)31      }32      delay(200)33      completableFuture.shouldBeCompletedExceptionally()34   }35   "test future is not completed exceptionally" {36      val completableFuture = CompletableFuture<Int>()37      completableFuture.complete(2)38      completableFuture.shouldNotBeCompletedExceptionally()39   }40   "test future completes exceptionally with the given exception"{41      val completableFuture = CompletableFuture<Int>()42      val exception = RuntimeException("Boom Boom")43      Executors.newFixedThreadPool(1).submit {44         completableFuture.completeExceptionally(exception)45      }46      completableFuture shouldCompleteExceptionallyWith exception47   }48   "test future does not completes exceptionally with given exception " {49      val completableFuture = CompletableFuture<Int>()50      Executors.newFixedThreadPool(1).submit {51         completableFuture.completeExceptionally(RuntimeException("Boom Boom"))52      }53      completableFuture shouldNotCompleteExceptionallyWith RuntimeException("Bang Bang")54   }55   "test error message for shouldCompleteExceptionallyWith when completable future does not complete with exception" {56      val completableFuture = CompletableFuture<Int>()57      val exception = RuntimeException("Boom Boom")58      completableFuture.complete(2)59      shouldThrowMessage("Expected future to fail with $exception, but it did not failed with any exception") {60         completableFuture shouldCompleteExceptionallyWith exception61      }62   }63   "test error message for shouldCompleteExceptionallyWith when completable future fail with some other exception" {64      val completableFuture = CompletableFuture<Int>()65      val expectedException = RuntimeException("Boom Boom")66      val actualException = RuntimeException("Bang Bang")67      completableFuture.completeExceptionally(actualException)68      shouldThrowMessage("Expected future to fail with $expectedException, but it failed with $actualException") {69         completableFuture shouldCompleteExceptionallyWith expectedException70      }71   }72   "test error message for shouldNotCompleteExceptionallyWith when completable future completes with given exception" {73      val completableFuture = CompletableFuture<Int>()74      val exception = RuntimeException("Boom Boom")75      completableFuture.completeExceptionally(exception)76      shouldThrowMessage("Expected future not to fail with $exception, but it did fail with it.") {77         completableFuture shouldNotCompleteExceptionallyWith exception78      }79   }80   "test shouldNotCompleteExceptionallyWith passes when completable future completes without any exception" {81      val completableFuture = CompletableFuture<Int>()82      completableFuture.complete(2)83      completableFuture shouldNotCompleteExceptionallyWith RuntimeException("Bang Bang")84   }85})...

matchers.kt

Source:matchers.kt

1package io.kotest.matchers.future2import io.kotest.matchers.Matcher3import io.kotest.matchers.MatcherResult4import io.kotest.matchers.should5import io.kotest.matchers.shouldBe6import io.kotest.matchers.shouldNot7import io.kotest.matchers.shouldNotBe8import java.util.concurrent.CompletableFuture9fun <T> CompletableFuture<T>.shouldBeCompletedExceptionally() = this shouldBe completedExceptionally<T>()10fun <T> CompletableFuture<T>.shouldNotBeCompletedExceptionally() = this shouldNotBe completedExceptionally<T>()11fun <T> completedExceptionally() = object : Matcher<CompletableFuture<T>> {12   override fun test(value: CompletableFuture<T>): MatcherResult =13      MatcherResult(14         value.isCompletedExceptionally,15         { "Future should be completed exceptionally" },16         {17            "Future should not be completed exceptionally"18         })19}20fun <T> CompletableFuture<T>.shouldBeCompleted() = this shouldBe completed<T>()21fun <T> CompletableFuture<T>.shouldNotBeCompleted() = this shouldNotBe completed<T>()22fun <T> completed() = object : Matcher<CompletableFuture<T>> {23   override fun test(value: CompletableFuture<T>): MatcherResult =24      MatcherResult(25         value.isDone,26         { "Future should be completed" },27         {28            "Future should not be completed"29         })30}31fun <T> CompletableFuture<T>.shouldBeCancelled() = this shouldBe cancelled<T>()32fun <T> CompletableFuture<T>.shouldNotBeCancelled() = this shouldNotBe cancelled<T>()33fun <T> cancelled() = object : Matcher<CompletableFuture<T>> {34   override fun test(value: CompletableFuture<T>): MatcherResult =35      MatcherResult(36         value.isCancelled,37         { "Future should be completed" },38         {39            "Future should not be completed"40         })41}42infix fun CompletableFuture<*>.shouldCompleteExceptionallyWith(throwable: Throwable) =43   this should completeExceptionallyWith(throwable)44infix fun CompletableFuture<*>.shouldNotCompleteExceptionallyWith(throwable: Throwable) =45   this shouldNot completeExceptionallyWith(throwable)46internal fun completeExceptionallyWith(throwable: Throwable) = object : Matcher<CompletableFuture<*>> {47   override fun test(value: CompletableFuture<*>): MatcherResult {48      val exception = value.runCatching { get() }.exceptionOrNull()49      return MatcherResult(50         exception != null && exception.cause == throwable,51         { errorMessageForTestFailure(exception?.cause, throwable) },52         { "Expected future not to fail with ${exception?.cause}, but it did fail with it." }53      )54   }55}56internal fun errorMessageForTestFailure(actualException: Throwable?, expectedException: Throwable): String {57   if (actualException == null) {58      return "Expected future to fail with $expectedException, but it did not failed with any exception"59   }60   return "Expected future to fail with $expectedException, but it failed with $actualException"61}...

CompletableFuture.shouldBeCancelled

Using AI Code Generation

1import io.kotest.matchers.future.shouldBeCancelled2import io.kotest.matchers.future.shouldBeCompleted3import io.kotest.matchers.future.shouldBeCompletedWithValue4import io.kotest.matchers.future.shouldBeFailed5import io.kotest.matchers.future.shouldBeFailedWith6import kotlinx.coroutines.Dispatchers7import kotlinx.coroutines.GlobalScope8import kotlinx.coroutines.delay9import kotlinx.coroutines.future.future10import kotlinx.coroutines.runBlocking11import org.junit.jupiter.api.Test12import java.util.concurrent.CompletableFuture13import java.util.concurrent.Executors14class CompletableFutureTest {15    fun `test future is completed`() {16        val future = CompletableFuture<String>()17        future.complete("completed")18        future.shouldBeCompleted()19        future.shouldBeCompletedWithValue("completed")20    }21    fun `test future is failed`() {22        val future = CompletableFuture<String>()23        future.completeExceptionally(Exception("exception"))24        future.shouldBeFailed()25        future.shouldBeFailedWith<Exception> { it.message == "exception" }26    }27    fun `test future is cancelled`() {28        val future = CompletableFuture<String>()29        future.cancel(true)30        future.shouldBeCancelled()31    }32    fun `test future is completed with delay`() {33        val future = GlobalScope.future(Dispatchers.IO) {34            delay(1000)35        }36        runBlocking {37            future.shouldBeCompletedWithValue("completed")38        }39    }40    fun `test future is completed with delay in another thread`() {41        val future = GlobalScope.future(Dispatchers.IO) {42            delay(1000)43        }44        runBlocking {45            future.shouldBeCompletedWithValue("completed")46        }47    }48}49import io.kotest.matchers.future.shouldBeCancelled50import io.kotest.matchers.future.shouldBeCompleted51import io.kotest.matchers.future.shouldBeCompletedWithValue52import io.kotest.matchers.future.shouldBeFailed53import io.kotest.matchers.future.shouldBeFailedWith54import kotlinx.coroutines.Dispatchers55import kotlinx.coroutines.GlobalScope56import kotlinx.coroutines.delay57import kotlinx.coroutines.future.future58import kotlinx.coroutines.runBlocking59import

CompletableFuture.shouldBeCancelled

Using AI Code Generation

1@JvmName("shouldBeCancelled")2fun <T> Future<T>.shouldBeCancelled() = this.shouldBeCancelled()3@JvmName("shouldBeCancelled")4fun <T> Future<T>.shouldBeCancelled() = this.shouldBeCancelled()5@JvmName("shouldBeCancelled")6fun <T> Future<T>.shouldBeCancelled() = this.shouldBeCancelled()7@JvmName("shouldBeCancelled")8fun <T> Future<T>.shouldBeCancelled() = this.shouldBeCancelled()9@JvmName("shouldBeCancelled")10fun <T> Future<T>.shouldBeCancelled() = this.shouldBeCancelled()11@JvmName("shouldBeCancelled")12fun <T> Future<T>.shouldBeCancelled() = this.shouldBeCancelled()13@JvmName("shouldBeCancelled")14fun <T> Future<T>.shouldBeCancelled() = this.shouldBeCancelled()15@JvmName("shouldBeCancelled")16fun <T> Future<T>.shouldBeCancelled() = this.shouldBeCancelled()17@JvmName("shouldBeCancelled")18fun <T> Future<T>.shouldBeCancelled() = this.shouldBeCancelled()19@JvmName("shouldBeCancelled")20fun <T> Future<T>.shouldBeCancelled() = this.shouldBeCancelled()

CompletableFuture.shouldBeCancelled

Using AI Code Generation

1@DisplayName("Should be cancelled")2fun shouldBeCancelled() {3    val future = CompletableFuture.runAsync {4        Thread.sleep(1000)5    }6    future.cancel(true)7    future.shouldBeCancelled()8}9@DisplayName("Should be completed")10fun shouldBeCompleted() {11    val future = CompletableFuture.runAsync {12        Thread.sleep(1000)13    }14    future.shouldBeCompleted()15}16@DisplayName("Should be completed exceptionally")17fun shouldBeCompletedExceptionally() {18    val future = CompletableFuture.runAsync {19        Thread.sleep(1000)20        throw RuntimeException()21    }22    future.shouldBeCompletedExceptionally()23}24@DisplayName("Should be completed with value")25fun shouldBeCompletedWithValue() {26    val future = CompletableFuture.completedFuture(10)27    future.shouldBeCompletedWithValue(10)28}29@DisplayName("Should be completed with value in")30fun shouldBeCompletedWithValueIn() {31    val future = CompletableFuture.completedFuture(10)32    future.shouldBeCompletedWithValueIn(10, Duration.ofSeconds(1))33}34@DisplayName("Should be completed with value matching")35fun shouldBeCompletedWithValueMatching() {36    val future = CompletableFuture.completedFuture(10)37    future.shouldBeCompletedWithValueMatching { it == 10 }38}39@DisplayName("Should be completed with value null")40fun shouldBeCompletedWithValueNull() {41    val future = CompletableFuture.completedFuture(null)42    future.shouldBeCompletedWithValueNull()43}44@DisplayName("Should be completed with value not null")45fun shouldBeCompletedWithValueNotNull() {46    val future = CompletableFuture.completedFuture(10)47    future.shouldBeCompletedWithValueNotNull()48}

CompletableFuture.shouldBeCancelled

Using AI Code Generation

1import io.kotest.matchers.future.matchers.shouldBeCancelled2import kotlinx.coroutines.delay3import kotlinx.coroutines.runBlocking4import org.junit.jupiter.api.Test5class ExampleTest {6    fun test() {7        runBlocking {8            val future = CompletableFuture.supplyAsync {9                delay(1000)10            }11            future.cancel(true)12            future.shouldBeCancelled()13        }14    }15}16import io.kotest.matchers.future.matchers.shouldBeCancelled17import kotlinx.coroutines.delay18import kotlinx.coroutines.runBlocking19import org.junit.jupiter.api.Test20class ExampleTest {21    fun test() {22        runBlocking {23            val future = CompletableFuture.supplyAsync {24                delay(1000)25            }26            future.cancel(true)27            future.shouldBeCancelled("message")28        }29    }30}31import io.kotest.matchers.future.matchers.shouldBeCancelled32import kotlinx.coroutines.delay33import kotlinx.coroutines.runBlocking34import org.junit.jupiter.api.Test35class ExampleTest {36    fun test() {37        runBlocking {38            val future = CompletableFuture.supplyAsync {39                delay(1000)40            }41            future.cancel(true)42            future.shouldBeCancelled("message") { "Hello" }43        }44    }45}46import io.kotest.matchers.future.matchers.shouldBeCancelled47import kotlinx.coroutines.delay48import kotlinx.coroutines.runBlocking49import org.junit.jupiter.api.Test50class ExampleTest {51    fun test() {52        runBlocking {53            val future = CompletableFuture.supplyAsync {54                delay(1000)55            }56            future.cancel(true)57            future.shouldBeCancelled { "Hello" }58        }59    }60}61import io.kot

CompletableFuture.shouldBeCancelled

Using AI Code Generation

1fun main() { val future = CompletableFuture .supplyAsync { Thread .sleep( 2000 ) "Hello" } future.shouldBeCancelled() }2fun main() { val future = CompletableFuture .supplyAsync { Thread .sleep( 2000 ) "Hello" } future.shouldBeCancelled() }3fun main() { val future = CompletableFuture .supplyAsync { Thread .sleep( 2000 ) "Hello" } future.shouldBeCancelled() }4fun main() { val future = CompletableFuture .supplyAsync { Thread .sleep( 2000 ) "Hello" } future.shouldBeCancelled() }5fun main() { val future = CompletableFuture .supplyAsync { Thread .sleep( 2000 ) "Hello" } future.shouldBeCancelled() }6fun main() { val future = CompletableFuture .supplyAsync { Thread .sleep( 2000 ) "Hello" } future.shouldBeCancelled() }7fun main() { val future = CompletableFuture .supplyAsync { Thread .sleep( 2000 ) "Hello" } future.shouldBeCancelled() }8fun main() { val future = CompletableFuture .supplyAsync { Thread .sleep( 2000 ) "Hello" } future.shouldBeCancelled() }9fun main() { val future = CompletableFuture .supplyAsync { Thread .sleep( 2000 ) "Hello" } future.shouldBe

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