How to use CompletableFutureAssert method of org.assertj.core.api.CompletableFutureAssert class

Best Assertj code snippet using org.assertj.core.api.CompletableFutureAssert.CompletableFutureAssert

Source:CompletableFutureAssertionsExamples.java

...25 * {@link CompletableFuture} assertions example.26 *27 * @author Joel Costigliola28 */29public class CompletableFutureAssertionsExamples extends AbstractAssertionsExamples {30  @Test31  public void completableFuture_assertions_examples() {32    CompletableFuture<String> completedFuture = completedFuture("something");33    assertThat(completedFuture).isCompleted()34                               .isCompletedWithValue("something")35                               .isCompletedWithValueMatching(result -> result.startsWith("some"))36                               .isCompletedWithValueMatching(result -> result.startsWith("some"), "error message")37                               .isDone();38    CompletableFuture<?> futureExplosion = new CompletableFuture<>();39    futureExplosion.completeExceptionally(new RuntimeException("boom !"));40    assertThat(futureExplosion).isCompletedExceptionally()41                               .isDone();42    assertThat(futureExplosion).isCompletedExceptionally()43                               .isNotCancelled()44                               .failsWithin(10, TimeUnit.MILLISECONDS)45                               .withThrowableOfType(ExecutionException.class)46                               .withCauseInstanceOf(RuntimeException.class)47                               .withMessageContaining("boom !");48    CompletableFuture<?> cancelledFuture = new CompletableFuture<>();49    cancelledFuture.cancel(true);50    assertThat(cancelledFuture).isCancelled()51                               .isDone()52                               .isCompletedExceptionally();53    CompletableFuture<String> future = completedFuture("ook!");54    // assertion expressed with TimeUnit55    assertThat(future).succeedsWithin(100, TimeUnit.MILLISECONDS)56                      .isEqualTo("ook!");57    // strongly typed assertion58    assertThat(future).succeedsWithin(100, TimeUnit.MILLISECONDS, as(STRING))59                      .startsWith("oo");60    // same assertions with Duration61    assertThat(future).succeedsWithin(Duration.ofMillis(100))62                      .isEqualTo("ook!");63    assertThat(future).succeedsWithin(Duration.ofMillis(100), as(STRING))64                      .startsWith("oo");65    // log some error messages to have a look at them66    try {67      assertThat(completedFuture).isCompletedWithValueMatching(result -> result == null, "expected null");68    } catch (AssertionError e) {69      logAssertionErrorMessage("CompletableFutureAssert.isCompletedWithValueMatching", e);70    }71    try {72      assertThat(completedFuture).isCompletedExceptionally()73                                 .isNotCancelled();74    } catch (AssertionError e) {75      logAssertionErrorMessage("CompletableFutureAssert.hasFailed", e);76    }77  }78  @Test79  public void completionStage_assertions_examples() {80    CompletionStage<String> actual = completedFuture("done");81    assertThat(actual).isDone()82                      .isNotCancelled()83                      .isNotCompletedExceptionally();84  }85}...

Source:CompletableFutureAssert.java

...17 * Assertions for {@link CompletableFuture}.18 *19 * @param <RESULT> type of the value contained in the {@link CompletableFuture}.20 */21public class CompletableFutureAssert<RESULT> extends AbstractCompletableFutureAssert<CompletableFutureAssert<RESULT>, RESULT> {22  protected CompletableFutureAssert(CompletableFuture<RESULT> actual) {23    super(actual, CompletableFutureAssert.class);24  }25  protected CompletableFutureAssert(CompletionStage<RESULT> actual) {26    super(actual == null ? null : actual.toCompletableFuture(), CompletableFutureAssert.class);27  }28}...

CompletableFutureAssert

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.ExecutionException;3import org.assertj.core.api.CompletableFutureAssert;4public class CompletableFutureAssertExample {5	public static void main(String[] args) throws InterruptedException, ExecutionException {6		CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello");7		CompletableFutureAssert.assertThat(future).isCompletedWithValue("Hello");8	}9}

CompletableFutureAssert

Using AI Code Generation

1import org.assertj.core.api.CompletableFutureAssert;2import org.assertj.core.api.Assertions;3import java.util.concurrent.CompletableFuture;4import java.util.concurrent.ExecutionException;5import java.util.concurrent.TimeUnit;6import java.util.concurrent.TimeoutException;7class CompletableFutureAssertTest {8    public static void main(String[] args) throws InterruptedException, ExecutionException, TimeoutException {9        CompletableFutureAssert<String> future = Assertions.assertThat(CompletableFuture.supplyAsync(() -> "Hello World!"));10        System.out.println(future.get(100, TimeUnit.MILLISECONDS));11    }12}13Java | CompletableFuture complete()14Java | CompletableFuture completeExceptionally()15Java | CompletableFuture getNow()16Java | CompletableFuture isCompletedExceptionally()17Java | CompletableFuture isDone()18Java | CompletableFuture isCancelled()19Java | CompletableFuture get()20Java | CompletableFuture join()21Java | CompletableFuture cancel()22Java | CompletableFuture getNumberOfDependents()23Java | CompletableFuture getNumberOfDependents()24Java | CompletableFuture thenApply()25Java | CompletableFuture thenAccept()26Java | CompletableFuture thenRun()27Java | CompletableFuture thenCombine()28Java | CompletableFuture thenAcceptBoth()29Java | CompletableFuture applyToEither()30Java | CompletableFuture acceptEither()31Java | CompletableFuture runAfterEither()32Java | CompletableFuture thenCompose()33Java | CompletableFuture handle()34Java | CompletableFuture whenComplete()35Java | CompletableFuture exceptionally()36Java | CompletableFuture orTimeout()37Java | CompletableFuture completeOnTimeout()38Java | CompletableFuture obtrudeValue()39Java | CompletableFuture obtrudeException()40Java | CompletableFuture copy()41Java | CompletableFuture static completedFuture()42Java | CompletableFuture static failedFuture()43Java | CompletableFuture static runAsync()44Java | CompletableFuture static supplyAsync()45Java | CompletableFuture static completedStage()46Java | CompletableFuture static failedStage()47Java | CompletableFuture static runAsync()48Java | CompletableFuture static supplyAsync()49Java | CompletableFuture static delayedExecutor()

CompletableFutureAssert

Using AI Code Generation

1package org.codepedia.assertj;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.ExecutionException;4import java.util.concurrent.TimeUnit;5import java.util.concurrent.TimeoutException;6import static org.assertj.core.api.Assertions.assertThat;7public class CompletableFutureAssertExample {8    public static void main(String[] args) throws InterruptedException, ExecutionException, TimeoutException {9        CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {10            try {11                TimeUnit.SECONDS.sleep(1);12            } catch (InterruptedException e) {13                throw new IllegalStateException(e);14            }15            return "result";16        });17        assertThat(future).isCompletedWithin(2, TimeUnit.SECONDS);18        assertThat(future).isCompletedExceptionallyWithin(2, TimeUnit.SECONDS);19        assertThat(future).isCompletedWithValue("result");20        assertThat(future).isCompletedWithValueWithin("result", 2, TimeUnit.SECONDS);21        assertThat(future).isCompletedExceptionallyWith(InterruptedException.class);22        assertThat(future).isCompletedExceptionallyWithWithin(InterruptedException.class, 2, TimeUnit.SECONDS);23        assertThat(future).isCompletedExceptionallyWith(InterruptedException.class, "sleep interrupted");24        assertThat(future).isCompletedExceptionallyWithWithin(InterruptedException.class, "sleep interrupted", 2, TimeUnit.SECONDS);25        assertThat(future).isCompletedExceptionallyWith(InterruptedException.class, "sleep interrupted", IllegalStateException.class);26        assertThat(future).isCompletedExceptionallyWithWithin(InterruptedException.class, "sleep interrupted", IllegalStateException.class, 2, TimeUnit.SECONDS);27        assertThat(future).isCompletedExceptionallyWith(InterruptedException.class, IllegalStateException.class);28        assertThat(future).isCompletedExceptionallyWithWithin(InterruptedException

CompletableFutureAssert

Using AI Code Generation

1package org.example;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.TimeUnit;4import org.assertj.core.api.CompletableFutureAssert;5import org.assertj.core.api.Assertions;6public class App {7    public static void main(String[] args) {8        CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");9        CompletableFutureAssert<String> assertFuture = Assertions.assertThat(future);10        assertFuture.isCompleted();11    }12}

CompletableFutureAssert

Using AI Code Generation

1package org.assertj.core.api;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.ExecutorService;4import java.util.concurrent.Executors;5import java.util.concurrent.Future;6import java.util.concurrent.TimeUnit;7import org.junit.Test;8public class CompletableFutureAssertTest {9	public void test() throws InterruptedException {10		ExecutorService executor = Executors.newFixedThreadPool(2);11		CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {12			try {13				TimeUnit.SECONDS.sleep(1);14			} catch (InterruptedException e) {15				throw new IllegalStateException(e);16			}17			return "Result of the asynchronous computation";18		}, executor);19		executor.shutdown();20	}21}22	at org.assertj.core.api.CompletableFutureAssert.isCompleted(CompletableFutureAssert.java:48)23	at org.assertj.core.api.CompletableFutureAssertTest.test(CompletableFutureAssertTest.java:27)24package org.assertj.core.api;25import java.util.concurrent.CompletableFuture;26import java.util.concurrent.ExecutorService;27import java.util.concurrent.Executors;28import java.util.concurrent.Future;29import java.util.concurrent.TimeUnit;30import org.junit.Test;31public class CompletableFutureAssertTest {32	public void test() throws InterruptedException {33		ExecutorService executor = Executors.newFixedThreadPool(2);34		CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {35			try {36				TimeUnit.SECONDS.sleep(1);37			} catch (InterruptedException e) {38				throw new IllegalStateException(e);39			}40			return "Result of the asynchronous computation";41		}, executor);42		executor.shutdown();43	}44}45	at org.assertj.core.api.CompletableFutureAssert.isCompleted(CompletableFutureAssert.java:48)

CompletableFutureAssert

Using AI Code Generation

1import org.assertj.core.api.CompletableFutureAssert;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.CompletionStage;4class Test {5    public static void main(String[] args) {6        CompletableFuture<String> future = new CompletableFuture<>();7        CompletableFutureAssert<String> futureAssert = new CompletableFutureAssert<>(future);8        CompletionStage<String> completionStage = futureAssert.isCompleted();9    }10}11Recommended Posts: Java | CompletableFuture.allOf() method12Java | CompletableFuture.thenAcceptBoth() method13Java | CompletableFuture.thenCombine() method14Java | CompletableFuture.thenAccept() method15Java | CompletableFuture.thenApply() method16Java | CompletableFuture.thenRun() method17Java | CompletableFuture.get() method18Java | CompletableFuture.join() method19Java | CompletableFuture.getNow() method20Java | CompletableFuture.cancel() method21Java | CompletableFuture.isDone() method22Java | CompletableFuture.isCancelled() method23Java | CompletableFuture.isCompletedExceptionally() method24Java | CompletableFuture.getNumberOfDependents() method25Java | CompletableFuture.complete() method26Java | CompletableFuture.completeExceptionally() method27Java | CompletableFuture.obtrudeException() method28Java | CompletableFuture.obtrudeValue() method29Java | CompletableFuture.exceptionally() method30Java | CompletableFuture.runAsync() method31Java | CompletableFuture.supplyAsync() method32Java | CompletableFuture.allOf() method33Java | CompletableFuture.anyOf() method34Java | CompletableFuture.thenCompose() method35Java | CompletableFuture.thenAcceptAsync() method36Java | CompletableFuture.thenApplyAsync() method37Java | CompletableFuture.thenRunAsync() method38Java | CompletableFuture.handle() method39Java | CompletableFuture.handleAsync() method40Java | CompletableFuture.runAfterEither() method41Java | CompletableFuture.runAfterEitherAsync() method42Java | CompletableFuture.thenAcceptBoth() method43Java | CompletableFuture.thenAcceptBothAsync() method44Java | CompletableFuture.thenCombine() method45Java | CompletableFuture.thenCombineAsync() method46Java | CompletableFuture.thenComposeAsync() method47Java | CompletableFuture.thenRun() method48Java | CompletableFuture.thenRunAsync() method49Java | CompletableFuture.whenComplete() method50Java | CompletableFuture.whenCompleteAsync() method51Java | CompletableFuture.thenCombine() method52Java | CompletableFuture.thenCombineAsync() method53Java | CompletableFuture.thenCompose() method54Java | CompletableFuture.thenComposeAsync() method55Java | CompletableFuture.thenAcceptBoth() method56Java | CompletableFuture.thenAcceptBothAsync() method

CompletableFutureAssert

Using AI Code Generation

1import org.assertj.core.api.CompletableFutureAssert;2import org.junit.Test;3import java.util.concurrent.CompletableFuture;4import java.util.concurrent.ExecutionException;5public class AssertJCompletableFutureAssertTest {6    public void testCompletableFutureAssert() throws InterruptedException, ExecutionException {7        CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello");8        CompletableFutureAssert<String> futureAssert = new CompletableFutureAssert<>(future);9        futureAssert.isDone();10        futureAssert.isNotCancelled();11        futureAssert.isNotCompletedExceptionally();12        futureAssert.hasNotFailed();13        futureAssert.hasNotFailedWithThrowableOfType(Exception.class);14        futureAssert.hasNotFailedWithThrowableThat().hasMessage("Hello");15        futureAssert.hasNotFailedWithThrowableThat().hasMessageContaining("Hello");16        futureAssert.hasNotFailedWithThrowableThat().hasMessageMatching("Hello");17        futureAssert.hasNotFailedWithThrowableThat().hasMessageStartingWith("Hello");

CompletableFutureAssert

Using AI Code Generation

1import org.assertj.core.api.CompletableFutureAssert;2import java.util.concurrent.CompletableFuture;3class MyTest {4  void test() {5    CompletableFuture<String> future = CompletableFuture.completedFuture("foo");6    CompletableFutureAssert.assertThat(future).hasNotFailed();7  }8}9import org.assertj.core.api.CompletableFutureAssert;10import java.util.concurrent.CompletableFuture;11class MyTest {12  void test() {13    CompletableFuture<String> future = CompletableFuture.completedFuture("foo");14    CompletableFutureAssert.assertThat(future).hasFailed();15  }16}17import org.assertj.core.api.CompletableFutureAssert;18import java.util.concurrent.CompletableFuture;19class MyTest {20  void test() {21    CompletableFuture<String> future = CompletableFuture.completedFuture("foo");22    CompletableFutureAssert.assertThat(future).isCompleted();23  }24}25import org.assertj.core.api.CompletableFutureAssert;26import java.util.concurrent.CompletableFuture;27class MyTest {28  void test() {29    CompletableFuture<String> future = CompletableFuture.completedFuture("foo");30    CompletableFutureAssert.assertThat(future).isCompletedExceptionally();31  }32}33import org.assertj.core.api.CompletableFutureAssert;34import java.util.concurrent.CompletableFuture;35class MyTest {36  void test() {37    CompletableFuture<String> future = CompletableFuture.completedFuture("foo");38    CompletableFutureAssert.assertThat(future).isNotCancelled();39  }40}41import org.assertj.core.api.CompletableFutureAssert;42import java.util.concurrent.CompletableFuture;43class MyTest {44  void test() {45    CompletableFuture<String> future = CompletableFuture.completedFuture("foo");46    CompletableFutureAssert.assertThat(future).isNotCompleted();47  }48}49import org.assertj.core.api.CompletableFutureAssert;50import java.util.concurrent.CompletableFuture;51class MyTest {52  void test() {

CompletableFutureAssert

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.assertThat;3public class CompletableFutureAssertTest {4    public void testCompletableFutureAssert() {5        CompletableFuture<Integer> future = CompletableFuture.supplyAsync(() -> 1);6        assertThat(future).isCompletedWithValue(1);7    }8}

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