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

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

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.shouldNotBeCompleted

Using AI Code Generation

1import io.kotest.matchers.future.matchers.shouldNotBeCompleted2import io.kotest.matchers.future.matchers.shouldNotBeCancelled3import io.kotest.matchers.future.matchers.shouldNotBeFailed4import io.kotest.matchers.future.matchers.shouldNotBePending5import io.kotest.matchers.future.matchers.shouldNotBeResolved6import io.kotest.matchers.future.matchers.shouldNotBeTimedOut7import io.kotest.matchers.future.matchers.shouldNotHaveFailed8import io.kotest.matchers.future.matchers.shouldNotHaveFailedWith9import io.kotest.matchers.future.matchers.shouldNotHaveFailedWith10import io.kotest.matchers.future.matchers.shouldNotHaveTimedOut11import io.kotest.matchers.future.matchers.shouldNotHaveTimedOut12import io.kotest.matchers.future.matchers.shouldNotHaveTimedOut13import io.kotest.matchers.future.matchers.shouldNotHaveTimedOut

CompletableFuture.shouldNotBeCompleted

Using AI Code Generation

1import io.kotest.assertions.throwables.shouldThrow2import io.kotest.core.spec.style.DescribeSpec3import io.kotest.matchers.future.matchers.shouldNotBeCompleted4import kotlinx.coroutines.delay5import kotlinx.coroutines.runBlocking6import java.util.concurrent.CompletableFuture7class ShouldNotBeCompletedTest : DescribeSpec({8    describe("shouldNotBeCompletedTest") {9        it("shouldNotBeCompletedTest") {10            val future = CompletableFuture<String>()11            future.shouldNotBeCompleted()12            runBlocking { delay(100) }13            future.shouldNotBeCompleted()14        }15        it("shouldNotBeCompletedTest with throw") {16            val future = CompletableFuture<String>()17            future.complete("Hello")18            shouldThrow<AssertionError> {19                future.shouldNotBeCompleted()20            }21        }22    }23})

CompletableFuture.shouldNotBeCompleted

Using AI Code Generation

1fun `shouldNotBeCompleted should fail if future is completed`() {2    val future = CompletableFuture.completedFuture(1)3    assertFailsWith<AssertionError> { future.shouldNotBeCompleted() }4}5fun `shouldBeCompletedWithValue should fail if future is not completed`() {6    val future = CompletableFuture<Int>()7    assertFailsWith<AssertionError> { future.shouldBeCompletedWithValue(1) }8}9fun `shouldBeCompletedWithValue should fail if future is completed with a different value`() {10    val future = CompletableFuture.completedFuture(2)11    assertFailsWith<AssertionError> { future.shouldBeCompletedWithValue(1) }12}13fun `shouldBeCompletedWithValue should pass if future is completed with the given value`() {14    val future = CompletableFuture.completedFuture(1)15    future.shouldBeCompletedWithValue(1)16}17fun `shouldBeCompletedWithValue should pass if future is completed with the given null value`() {18    val future = CompletableFuture.completedFuture(null)19    future.shouldBeCompletedWithValue(null)20}21fun `shouldBeCompletedWithValue should pass if future is completed with the given value and type`() {22    val future = CompletableFuture.completedFuture(1)23    future.shouldBeCompletedWithValue(1) { it shouldBe 1 }24}

CompletableFuture.shouldNotBeCompleted

Using AI Code Generation

1fun `should not be completed`() {2    val future = CompletableFuture<String>()3    future.shouldNotBeCompleted()4}5fun `should be completed with`() {6    val future = CompletableFuture.completedFuture("Hello World")7    future.shouldBeCompletedWith("Hello World")8}9fun `should not be completed with`() {10    val future = CompletableFuture.completedFuture("Hello World")11    future.shouldNotBeCompletedWith("Hello World")12}13fun `should be cancelled`() {14    val future = CompletableFuture<String>()15    future.cancel(true)16    future.shouldBeCancelled()17}18fun `should not be cancelled`() {19    val future = CompletableFuture.completedFuture("Hello World")20    future.shouldNotBeCancelled()21}22fun `should be completed exceptionally`() {23    val future = CompletableFuture<String>()24    future.completeExceptionally(RuntimeException("Error"))25    future.shouldBeCompletedExceptionally()26}27fun `should not be completed exceptionally`() {28    val future = CompletableFuture.completedFuture("Hello World")29    future.shouldNotBeCompletedExceptionally()30}

CompletableFuture.shouldNotBeCompleted

Using AI Code Generation

1implementation("io.kotest:kotest-assertions-core-jvm:4.6.3")2implementation("io.kotest:kotest-assertions-shared-jvm:4.6.3")3implementation("io.kotest:kotest-assertions-future:4.6.3")4implementation("io.kotest:kotest-assertions-core-jvm:4.6.2")5implementation("io.kotest:kotest-assertions-shared-jvm:4.6.2")6implementation("io.kotest:kotest-assertions-future:4.6.2")7implementation("io.kotest:kotest-assertions-core-jvm:4.6.1")8implementation("io.kotest:kotest-assertions-shared-jvm:4.6.1")9implementation("io.kotest:kotest-assertions-future:4.6.1")10implementation("io.kotest:kotest-assertions-core-jvm:4.6.0")11implementation("io.kotest:kotest-assertions-shared-jvm:4.6.0")12implementation("io.kotest:kotest-assertions-future:4.6.0")13implementation("io.kotest:kotest-assertions-core-jvm:4.5.0")14implementation("io.kotest:kotest-assertions-shared-jvm:4.5.0")15implementation("io.kotest:kotest-assertions-future:4.5.0")

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