KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use isCompleted method of org.assertj.core.api.AbstractCompletableFutureAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractCompletableFutureAssert.isCompleted

Source:SafeFutureAssert.java

...22  }23  public static <T> SafeFutureAssert<T> assertThatSafeFuture(final SafeFuture<T> actual) {24    return new SafeFutureAssert<>(actual);25  }26  public void isCompletedExceptionallyWith(final Throwable t) {27    isCompletedExceptionally();28    Assertions.assertThatThrownBy(actual::join)29        .isInstanceOf(CompletionException.class)30        .extracting(Throwable::getCause)31        .isSameAs(t);32  }33  public void isCompletedExceptionallyWith(final Class<? extends Throwable> exceptionType) {34    isCompletedExceptionally();35    Assertions.assertThatThrownBy(actual::join)36        .isInstanceOf(CompletionException.class)37        .extracting(Throwable::getCause)38        .isInstanceOf(exceptionType);39  }40  public void isCompletedWithEmptyOptional() {41    isCompleted();42    assertThat(actual.join()).isEqualTo(Optional.empty());43  }44  public void isCompletedWithNonEmptyOptional() {45    isCompleted();46    T result = actual.join();47    assertThat(result).isInstanceOf(Optional.class);48    assertThat((Optional<?>) result).isNotEmpty();49  }50  @SuppressWarnings("unchecked")51  public <X> void isCompletedWithOptionalContaining(final X value) {52    isCompleted();53    T result = actual.join();54    assertThat(result).isInstanceOf(Optional.class);55    assertThat(((Optional<T>) result)).contains((T) value);56  }57}...

isCompleted

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.ExecutionException;3import org.assertj.core.api.Assertions;4import org.junit.Test;5public class CompletableFutureTest {6	public void test() throws InterruptedException, ExecutionException {7		CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> {8			return "Hello";9		});10		Assertions.assertThat(completableFuture).isCompleted();11		System.out.println(completableFuture.get());12	}13}

isCompleted

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.ExecutionException;3import org.assertj.core.api.Assertions;4public class AssertJCompletableFuture {5    public static void main(String[] args) throws InterruptedException, ExecutionException {6        CompletableFuture<String> future = CompletableFuture.completedFuture("result");7        Assertions.assertThat(future).isCompleted();8    }9}

isCompleted

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.ExecutionException;3import java.util.concurrent.TimeUnit;4import java.util.concurrent.TimeoutException;5import org.assertj.core.api.Assertions;6import org.junit.Test;7public class CompletableFutureTest {8	public void testCompletableFuture() throws InterruptedException, ExecutionException, TimeoutException {9		CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello");10		Assertions.assertThat(completableFuture.isDone()).isFalse();11		Assertions.assertThat(completableFuture.isCompletedExceptionally()).isFalse();12		Assertions.assertThat(completableFuture.isCancelled()).isFalse();13		Assertions.assertThat(completableFuture.isCompletedExceptionally())

isCompleted

Using AI Code Generation

1import org.junit.Test;2import java.util.concurrent.CompletableFuture;3import static org.assertj.core.api.Assertions.assertThat;4public class CompletableFutureTest {5    public void testCompletableFuture() {6        CompletableFuture<String> completableFuture = CompletableFuture.completedFuture("Hello");7        assertThat(completableFuture).isCompleted();8    }9}10import org.junit.Test;11import java.util.concurrent.CompletableFuture;12import static org.assertj.core.api.Assertions.assertThat;13public class CompletableFutureTest {14    public void testCompletableFuture() {15        CompletableFuture<String> completableFuture = CompletableFuture.completedFuture("Hello");16        assertThat(completableFuture).isCompletedWithValue("Hello");17    }18}19import org.junit.Test;20import java.util.concurrent.CompletableFuture;21import static org.assertj.core.api

isCompleted

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");3assertThat(future).isCompleted();4assertThat(future).isCompletedWithValue("Hello World");5assertThat(future).isCompletedWithValueMatching(s -> s.startsWith("Hello"));6CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {7    throw new RuntimeException("Something went wrong");8});9assertThat(future).isCompletedExceptionally();10assertThat(future).isCompletedExceptionallyWith(Throwable.class);11assertThat(future).isCompletedExceptionallyWith(Throwable.class, "Something went wrong");12assertThat(future).isCompletedExceptionallyWith(Throwable.class, e -> e.getMessage().startsWith("Something went wrong"));13CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");14assertThat(future).isNotCompleted();15CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");16assertThat(future).isNotCompletedExceptionally();17CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");18assertThat(future).isNotCancelled();19CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");20future.cancel(true);21assertThat(future).isCancelled();22CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");23future.cancel(true);24assertThat(future).isCancelledWith(true);25assertThat(future).isCancelledWith(false);26CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");27assertThat(future).isDone();28CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello World");29assertThat(future).isNotDone();

isCompleted

Using AI Code Generation

1import org.assertj.core.api.AbstractCompletableFutureAssert;2public class CompletableFutureAssertTest {3    public static void main(String[] args) {4        AbstractCompletableFutureAssert<?, ?> assert1 = null;5        AbstractCompletableFutureAssert<?, ?> assert2 = null;6        assert1.isCompleted();7        assert2.isCompleted();8    }9}10I am using IntelliJ IDEA 2019.2.4 (Community Edition) and JDK 1.8.0_221. I am using maven to manage dependencies. I am using the following dependencies:

isCompleted

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.Assertions.assertThat;4public class AssertJCompletableFutureTest {5    public void givenCompletableFuture_whenCompleted_thenCorrect() {6        CompletableFuture<String> completableFuture = CompletableFuture.completedFuture("foo");7        assertThat(completableFuture).isCompleted();8    }9}10    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.newInstance(ClassBasedTestDescriptor.java:346)11    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:270)12    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$2(ClassBasedTestDescriptor.java:262)13    at java.base/java.util.Optional.orElseGet(Optional.java:369)14    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$3(ClassBasedTestDescriptor.java:261)15    at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)16    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)17    at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)18    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)19    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)20    at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)21    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)22    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)23    at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)24    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)25    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)26    at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)27    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)

isCompleted

Using AI Code Generation

1import org.assertj.core.api.Assertions.assertThat2import org.junit.jupiter.api.Test3import java.util.concurrent.CompletableFuture4class CompletableFutureTest {5    fun `should not block when checking if future is completed`() {6        val future = CompletableFuture.supplyAsync { 42 }7        assertThat(future).isCompleted8    }9}10	at org.assertj.core.api.AbstractCompletableFutureAssert.isCompleted(AbstractCompletableFutureAssert.java:79)11	at org.assertj.core.api.AbstractCompletableFutureAssert.isCompleted(AbstractCompletableFutureAssert.java:43)12	at org.example.CompletableFutureTest.should not block when checking if future is completed(CompletableFutureTest.kt:14)13import org.assertj.core.api.Assertions.assertThat14import org.junit.jupiter.api.Test15import java.util.concurrent.CompletableFuture16class CompletableFutureTest {17    fun `should not block when checking if future is completed`() {18        val future = CompletableFuture.supplyAsync { 42 }19        assertThat(future).isCompletedWithValue(42)20    }21}22	at org.assertj.core.api.AbstractCompletableFutureAssert.isCompletedWithValue(AbstractCompletableFutureAssert.java:91)23	at org.assertj.core.api.AbstractCompletableFutureAssert.isCompletedWithValue(AbstractCompletableFutureAssert.java:43)24	at org.example.CompletableFutureTest.should not block when checking if future is completed(CompletableFutureTest.kt:14)25import org.assertj.core.api.Assertions.assertThat26import org.junit.jupiter.api.Test27import java.util.concurrent.CompletableFuture28class CompletableFutureTest {29    fun `should not block when checking if future is completed`() {30        val future = CompletableFuture.supplyAsync { 42 }31        assertThat(future).isCompletedWithValueMatching { it == 42 }32    }33}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.