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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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Most used method in matchers
- CompletableFuture.shouldBeCompletedExceptionally
- CompletableFuture.shouldNotBeCompletedExceptionally
- completedExceptionally
- test
- CompletableFuture.shouldBeCompleted
- CompletableFuture.shouldNotBeCompleted
- completed
- CompletableFuture.shouldBeCancelled
- CompletableFuture.shouldNotBeCancelled
- cancelled
- completeExceptionallyWith
- errorMessageForTestFailure
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