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

Best Assertj code snippet using org.assertj.core.api.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 org.assertj.core.api.CompletableFutureAssert;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.ExecutionException;4public class CompletableFutureAssertExample {5    public static void main(String[] args) throws ExecutionException, InterruptedException {6        CompletableFuture<String> cf = CompletableFuture.supplyAsync(() -> "Hello");7        CompletableFutureAssert<String> cfAssert = new CompletableFutureAssert<>(cf);8        cfAssert.isCompleted();9        cfAssert.isNotCancelled();10        cfAssert.isNotCompletedExceptionally();11        cfAssert.hasNotFailed();12        cfAssert.hasFailed();13        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"));14        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"), "Hello");15        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"), "Hello", "World");16        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"), "Hello", "World", "Java");17        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"), "Hello", "World", "Java", "Scala");18        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"), "Hello", "World", "Java", "Scala", "Kotlin");19        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"), "Hello", "World", "Java", "Scala", "Kotlin", "C++");20        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"), "Hello", "World", "Java", "Scala", "Kotlin", "C++", "C");21        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"), "Hello", "World", "Java", "Scala", "Kotlin", "C++", "C", "C#");22        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"), "Hello", "World", "Java", "Scala", "Kotlin", "C++", "C", "C#", "Python");23        cfAssert.isCompletedWithValueMatching(s -> s.equals("Hello"), "Hello", "World", "Java", "Scala", "Kotlin", "C++", "C", "C#", "Python", "Ruby");24    }25}

CompletableFutureAssert

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.ExecutionException;3import org.assertj.core.api.CompletableFutureAssert;4import org.assertj.core.api.CompletableFutureAssertBaseTest;5public class CompletableFutureAssertTest extends CompletableFutureAssertBaseTest {6	protected CompletableFutureAssert<String> invoke_api_method() {7		CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello");8		return assertThat(future);9	}10	protected void verify_internal_effects() {11		CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello");12		try {13			assertThat(future.get()).isEqualTo("Hello");14		} catch (InterruptedException | ExecutionException e) {15			e.printStackTrace();16		}17	}18}

CompletableFutureAssert

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.CompletionStage;3import java.util.concurrent.TimeUnit;4import java.util.concurrent.TimeoutException;5import java.util.function.Supplier;6import org.assertj.core.api.CompletableFutureAssert;7import org.assertj.core.api.CompletionStageAssert;8import org.assertj.core.api.ThrowableAssert.ThrowingCallable;9import org.assertj.core.api.ThrowableAssertAlternative;10import org.assertj.core.api.ThrowableAssertBaseTest;11import org.assertj.core.api.ThrowableAssertCaughtException;12import org.assertj.core.api.ThrowableAssertNoExpectedType;13import org.assertj.core.api.ThrowableAssertNoValue;14import org.assertj.core.util.introspection.IntrospectionError;15import org.junit.jupiter.api.Test;16import org.junit.jupiter.api.function.Executable;17import org.mockito.Mockito;18import org.opentest4j.AssertionFailedError;19import org.opentest4j.MultipleFailuresError;20import org.opentest4j.ValueWrapper;21import static org.assertj.core.api.Assertions.assertThat;22import static org.assertj.core.api.Assertions.assertThatCode;23import static org.assertj.core.api.Assertions.assertThatExceptionOfType;24import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;25import static org.assertj.core.api.Assertions.assertThatNoException;26import static org.assertj.core.api.Assertions.assertThatNullPointerException;27import static org.assertj.core.api.Assertions.assertThatThrownBy;28import static org.assertj.core.api.Assertions.assertThatThrownByCode;29import static org.assertj.core.api.Assertions.catchThrowable;30import static org.assertj.core.api.Assertions.catchThrowableOfType;31import static org.assertj.core.api.Assertions.catchThrowableType;32import static org.assertj.core.api.Assertions.fa

CompletableFutureAssert

Using AI Code Generation

1import org.assertj.core.api.CompletableFutureAssert;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.TimeUnit;4public class CompletableFutureAssertExample {5    public static void main(String[] args) throws InterruptedException {6        CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");7        CompletableFutureAssert.assertThat(future).isDone();8        System.out.println("CompletableFutureAssertExample");9    }10}

CompletableFutureAssert

Using AI Code Generation

1import org.assertj.core.api.CompletableFutureAssert;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.TimeUnit;4public class CompletableFutureAssertExample {5    public static void main(String[] args) throws InterruptedException {6        CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");7        CompletableFutureAssert.assertThat(future).isDone();8        System.out.println("CompletableFutureAssertExample");9    }10}

CompletableFutureAssert

Using AI Code Generation

1package com.automationrhapsody.junit5;2import static org.assertj.core.api.Assertions.assertThat;3import static org.junit.jupiter.api.Assertions.assertAll;4import java.util.concurrent.CompletableFuture;5import java.util.concurrent.ExecutionException;6import org.junit.jupiter.api.Test;7public class CompletableFutureAssertTest {8    public void whenUsingCompletableFutureAssert_thenCorrect() throws InterruptedException, ExecutionException {9        CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello");10        assertAll(11                () -> assertThat(completableFuture).isCompletedWithValue("Hello"),12                () -> assertThat(completableFuture).isCompleted(),13                () -> assertThat(completableFuture).isNotCancelled(),14                () -> assertThat(completableFuture).isNotCompletedExceptionally(),15                () -> assertThat(completableFuture).isNotDone());16    }17}

CompletableFutureAssert

Using AI Code Generation

1package org.example;2import java.util.concurrent.CompletableFuture;3import org.assertj.core.api.CompletableFutureAssert;4public class App {5    public static void main(String[] args) {6        CompletableFuture<String> future = CompletableFuture.completedFuture("Hello");7        CompletableFutureAssert<String> assertion = new CompletableFutureAssert<>(future);8        assertion.isCompletedWithValue("Hello");9    }10}11ge or.assertj.core.api;12import java.util.concurrnt.Com

CompletableFutureAssert

Using AI Code Generation

1import.CompletableFutureAssert2Java 9 CompletableFuture APICompletableFuture;3import java.util.concurrent.TimeUnit;4import java.util.concurrent.TimeoutException;5import java.util.function.Supplier;6public class CompletableFutureAssertExample {7    public static void main(String[] args) throws TimeoutException, InterruptedException {8        Supplier<String> supplier = () -> {9            try {10                Thread.sleep(2000);11            } catch (InterruptedException e) {12                e.printStackTrace();13            }14            return "Hello";15        };16        CompletableFuture<String> future = CompletableFuture.supplyAsync(supplier);17        CompletableFutureAssert.assertThat(future).isCompletedWithin(3000, TimeUnit.MILLISECONDS);18    }19}

CompletableFutureAssert

Using AI Code Generation

1package org.assertj.core.api;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.CompletionStage;4public class CompletableFutureAssert<RESULT> extends AbstractCompletableFutureAssert<CompletableFutureAssert<RESULT>, RESULT> {5    public CompletableFutureAssert(CompletionStage<RESULT> actual) {6        super(actual, CompletableFutureAssert.class);7    }8}9package org.assertj.core.api;10import java.util.concurrent.CompletableFuture;11import java.util.concurrent.CompletionStage;12public class AbstractCompletableFutureAssert<SELF extends AbstractCompletableFutureAssert<SELF, RESULT>, RESULT> extends AbstractFutureAssert<SELF, CompletionStage<RESULT>, RESULT> {13    public AbstractCompletableFutureAssert(CompletionStage<RESULT> actual, Class<?> selfType) {14        super(actual, selfType);15    }16}17package org.assertj.core.api;18import java.util.concurrent.CompletableFuture;19import java.util.concurrent.CompletionStage;20public abstract class AbstractFutureAssert<SELF extends AbstractFutureAssert<SELF, ACTUAL, RESULT>, ACTUAL extends CompletionStage<RESULT>, RESULT> extends AbstractAssert<SELF, ACTUAL> {21    public AbstractFutureAssert(ACTUAL actual, Class<?> selfType) {22        super(actual, selfType);23    }24}25package org.assertj.core.api;26import java.util.concurrent.CompletableFuture;27import java.util.concurrent.CompletionStage;28public abstract class AbstractAssert<SELF extends AbstractAssert<SELF, ACTUAL>, ACTUAL> {29    public AbstractAssert(ACTUAL actual, Class<?> selfType) {30    }31}32package org.assertj.core.api;33import java.util.concurrent.CompletableFuture;34import java.util.concurrent.CompletionStage;35public abstract class AbstractObjectAssert<SELF extends AbstractObjectAssert<SELF, ACTUAL>, ACTUAL> extends AbstractAssert<SELF, ACTUAL> {36    public AbstractObjectAssert(ACTUAL actual, Class<?> selfType) {37        super(actual, selfType);38    }39}40package org.assertj.core.api;41import java.util.concurrent.Com

CompletableFutureAssert

Using AI Code Generation

1import org.assertj.core.api.CompletableFutureAssert;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.TimeUnit;4import java.util.concurrent.TimeoutException;5import java.util.function.Supplier;6public class CompletableFutureAssertExample {7    public static void main(String[] args) throws TimeoutException, InterruptedException {8        Supplier<String> supplier = () -> {9            try {10                Thread.sleep(2000);

CompletableFutureAssert

Using AI Code Generation

1package com.acko;2import static org.assertj.core.api.Assertions.*;3import java.util.concurrent.CompletableFuture;4import java.util.concurrent.ExecutionException;5public class CompletableFutureAssertExample {6	public static void main(String[] args) throws InterruptedException, ExecutionException {7		CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "hello");8		assertThat(future).isCompletedWithValue("hello");9	}10}11Java CompletableFuture API - getNow() method12Java CompletableFuture API - get() method13Java CompletableFuture API - join() method14Java CompletableFuture API - complete() method15Java CompletableFuture API - completeExceptionally() method16Java CompletableFuture API - cancel() method17Java CompletableFuture API - isCancelled() method18Java CompletableFuture API - isCompletedExceptionally() method19Java CompletableFuture API - isDone() method20Java CompletableFuture API - obtrudeValue() method21Java CompletableFuture API - obtrudeException() method22Java CompletableFuture API - thenApply() method23Java CompletableFuture API - thenAccept() method24Java CompletableFuture API - thenRun() method25Java CompletableFuture API - thenCompose() method26Java CompletableFuture API - thenCombine() method27Java CompletableFuture API - thenAcceptBoth() method28Java CompletableFuture API - runAfterBoth() method29Java CompletableFuture API - applyToEither() method30Java CompletableFuture API - acceptEither() method31Java CompletableFuture API - runAfterEither() method32Java CompletableFuture API - thenAcceptAsync() method33Java CompletableFuture API - thenApplyAsync() method34Java CompletableFuture API - thenRunAsync() method35Java CompletableFuture API - thenAcceptAsync() method36Java CompletableFuture API - thenApplyAsync() method37Java CompletableFuture API - thenRunAsync() method38Java CompletableFuture API - thenComposeAsync() method39Java CompletableFuture API - runAfterBothAsync() method40Java CompletableFuture API - thenAcceptBothAsync() method41Java CompletableFuture API - thenCombineAsync() method42Java CompletableFuture API - acceptEitherAsync() method43Java CompletableFuture API - applyToEitherAsync() method44Java CompletableFuture API - runAfterEitherAsync() method45Java CompletableFuture API - allOf() method46Java CompletableFuture API - anyOf() method47Java CompletableFuture API - newIncompleteFuture() method48Java CompletableFuture API - completedFuture() method49Java CompletableFuture API - completedStage() method50Java CompletableFuture API - failedFuture() method51Java CompletableFuture API - failedStage() method52            } catch (InterruptedException e) {53                e.printStackTrace();54            }55            return "Hello";56        };57        CompletableFuture<String> future = CompletableFuture.supplyAsync(supplier);58        CompletableFutureAssert.assertThat(future).isCompletedWithin(3000, TimeUnit.MILLISECONDS);59    }60}

CompletableFutureAssert

Using AI Code Generation

1import org.assertj.core.api.*;2import org.assertj.core.api.CompletableFutureAssert;3import java.util.concurrent.CompletableFuture;4public class 1 {5  public static void main(String[] args) {6    CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {7      return "Hello World";8    });9    CompletableFutureAssert<String> assertFuture = new CompletableFutureAssert<>(future);10    assertFuture.isCompleted();11  }12}13	at org.assertj.core.api.AbstractCompletableFutureAssert.isNotCompleted(AbstractCompletableFutureAssert.java:93)14	at org.assertj.core.api.CompletableFutureAssert.isNotCompleted(CompletableFutureAssert.java:61)15	at 1.main(1.java:16)16import org.assertj.core.api.*;17import org.assertj.core.api.CompletableFutureAssert;18import java.util.concurrent.CompletableFuture;19public class 2 {20  public static void main(String[] args) {21    CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {22      return "Hello World";23    });24    CompletableFutureAssert<String> assertFuture = new CompletableFutureAssert<>(future);25    assertFuture.isCompletedExceptionally();26  }27}28	at org.assertj.core.api.AbstractCompletableFutureAssert.isNotCompletedExceptionally(AbstractCompletableFutureAssert.java:108)29	at org.assertj.core.api.CompletableFutureAssert.isNotCompletedExceptionally(CompletableFutureAssert.java:66)30	at 2.main(2.java:16)31import org.assertj.core.api.*;32import org.assertj.core.api.CompletableFutureAssert;33import java.util.concurrent.CompletableFuture;34public class 3 {35  public static void main(String[] args) {36    CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {

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