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

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

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.shouldBeCompleted

Using AI Code Generation

1import io.kotest.matchers.future.matchers.shouldBeCompleted2import kotlinx.coroutines.runBlocking3import java.util.concurrent.CompletableFuture4fun main() {5    val future = CompletableFuture.supplyAsync { "kotlin" }6    runBlocking {7        future.shouldBeCompleted()8    }9}10import io.kotest.matchers.future.matchers.shouldBeCompletedWith11import kotlinx.coroutines.runBlocking12import java.util.concurrent.CompletableFuture13fun main() {14    val future = CompletableFuture.supplyAsync { "kotlin" }15    runBlocking {16        future.shouldBeCompletedWith("kotlin")17    }18}19import io.kotest.matchers.future.matchers.shouldBeCancelled20import kotlinx.coroutines.runBlocking21import java.util.concurrent.CompletableFuture22fun main() {23    val future = CompletableFuture.supplyAsync { "kotlin" }24    runBlocking {25        future.cancel(true)26        future.shouldBeCancelled()27    }28}29import io.kotest.matchers.future.matchers.shouldBeFailed30import kotlinx.coroutines.runBlocking31import java.util.concurrent.CompletableFuture32fun main() {33    val future = CompletableFuture.supplyAsync { "kotlin" }34    runBlocking {35        future.completeExceptionally(Exception("exception"))36        future.shouldBeFailed()37    }38}39import io.kotest.matchers.future.matchers.shouldBeFailedWith40import kotlinx.coroutines.runBlocking41import java.util.concurrent.CompletableFuture42fun main() {43    val future = CompletableFuture.supplyAsync { "kotlin" }44    runBlocking {45        future.completeExceptionally(Exception("exception"))46        future.shouldBeFailedWith<Exception>()47    }48}49import io.kotest.matchers.future.matchers.shouldBeIncomplete50import kotlinx.coroutines.runBlocking51import java.util.concurrent.CompletableFuture52fun main() {53    val future = CompletableFuture.supplyAsync { "kotlin" }54    runBlocking {

CompletableFuture.shouldBeCompleted

Using AI Code Generation

1import io.kotest.matchers.future.shouldBeCompleted2import io.kotest.matchers.future.shouldBeCompletedWithValue3import io.kotest.matchers.future.shouldBeFailed4import io.kotest.matchers.future.shouldBeFailedWith5import io.kotest.matchers.future.shouldBePending6import kotlinx.coroutines.future.await7import kotlinx.coroutines.runBlocking8import org.junit.jupiter.api.Test9import java.util.concurrent.CompletableFuture10class CompletableFutureUnitTest {11    fun `should complete a future`() {12        val future = CompletableFuture.supplyAsync { "Hello" }13        future.shouldBePending()14        future.complete("Hello")15        future.shouldBeCompleted()16    }17    fun `should complete a future with value`() {18        val future = CompletableFuture.supplyAsync { "Hello" }19        future.shouldBePending()20        future.complete("Hello")21        future.shouldBeCompletedWithValue("Hello")22    }23    fun `should fail a future`() {24        val future = CompletableFuture.supplyAsync { "Hello" }25        future.shouldBePending()26        future.completeExceptionally(RuntimeException())27        future.shouldBeFailed()28    }29    fun `should fail a future with exception`() {30        val future = CompletableFuture.supplyAsync { "Hello" }31        future.shouldBePending()32        val exception = RuntimeException()33        future.completeExceptionally(exception)34        future.shouldBeFailedWith(exception)35    }36    fun `should await a future`() {37        val future = CompletableFuture.supplyAsync { "Hello" }38        runBlocking {39            future.await() shouldBeCompletedWithValue "Hello"40        }41    }42}43import io.kotest.matchers.future.shouldBeCompleted44import io.kotest.matchers.future.shouldBeCompletedWithValue45import io.kotest.matchers.future.shouldBeFailed46import io.kotest.matchers.future.shouldBeFailedWith47import io.kotest.matchers.future.shouldBePending48import kotlinx.coroutines.future.await49import kotlinx.coroutines.runBlocking50import org.junit.jupiter.api.Test51import java.util.concurrent.CompletableFuture

CompletableFuture.shouldBeCompleted

Using AI Code Generation

1fun `should pass if future is completed`() {2    val future = CompletableFuture.supplyAsync { 1 }3    future.shouldBeCompleted()4}5fun `should pass if future is completed within time`() {6    val future = CompletableFuture.supplyAsync { 1 }7    future.shouldBeCompletedWithin(1, TimeUnit.SECONDS)8}9fun `should pass if future is completed with null`() {10    val future = CompletableFuture.supplyAsync { null }11    future.shouldBeCompletedWithNull()12}13fun `should pass if future is completed with value`() {14    val future = CompletableFuture.supplyAsync { 1 }15    future.shouldBeCompletedWithValue(1)16}17fun `should pass if future is completed with value matching`() {18    val future = CompletableFuture.supplyAsync { 1 }19    future.shouldBeCompletedWithValueMatching { it == 1 }20}21fun `should pass if future is completed with value of type`() {22    val future = CompletableFuture.supplyAsync { 1 }23    future.shouldBeCompletedWithValueOfType(Int::class.java)24}25fun `should pass if future is completed with value of type`() {26    val future = CompletableFuture.supplyAsync { 1 }27    future.shouldBeCompletedWithValueOfType(Int::class.java)28}

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