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How to use ShouldBeCompleted class of org.assertj.core.error.future package

Best Assertj code snippet using org.assertj.core.error.future.ShouldBeCompleted

Source:CompletableFutureAssert_isCompleted_Test.java

...14import java.util.concurrent.CompletableFuture;15import org.assertj.core.api.Assertions;16import org.assertj.core.api.AssertionsForClassTypes;17import org.assertj.core.api.BaseTest;18import org.assertj.core.error.future.ShouldBeCompleted;19import org.assertj.core.error.future.Warning;20import org.assertj.core.util.FailureMessages;21import org.junit.jupiter.api.Test;22public class CompletableFutureAssert_isCompleted_Test extends BaseTest {23    @Test24    public void should_pass_if_completable_future_is_completed() {25        Assertions.assertThat(CompletableFuture.completedFuture("done")).isCompleted();26    }27    @Test28    public void should_fail_when_completable_future_is_null() {29        AssertionsForClassTypes.assertThatThrownBy(() -> assertThat(((CompletableFuture<String>) (null))).isCompleted()).isInstanceOf(AssertionError.class).hasMessage(String.format(FailureMessages.actualIsNull()));30    }31    @Test32    public void should_fail_if_completable_future_is_incomplete() {33        CompletableFuture<String> future = new CompletableFuture<>();34        AssertionsForClassTypes.assertThatThrownBy(() -> assertThat(future).isCompleted()).isInstanceOf(AssertionError.class).hasMessage(ShouldBeCompleted.shouldBeCompleted(future).create());35    }36    @Test37    public void should_fail_if_completable_future_has_failed() {38        CompletableFuture<String> future = new CompletableFuture<>();39        future.completeExceptionally(new RuntimeException());40        AssertionsForClassTypes.assertThatThrownBy(() -> assertThat(future).isCompleted()).isInstanceOf(AssertionError.class).hasMessageStartingWith(String.format("%nExpecting%n  <CompletableFuture[Failed: java.lang.RuntimeException]%n")).hasMessageContaining("Caused by: java.lang.RuntimeException").hasMessageEndingWith(String.format("to be completed.%n%s", Warning.WARNING));41    }42    @Test43    public void should_fail_if_completable_future_was_cancelled() {44        CompletableFuture<String> future = new CompletableFuture<>();45        future.cancel(true);46        AssertionsForClassTypes.assertThatThrownBy(() -> assertThat(future).isCompleted()).isInstanceOf(AssertionError.class).hasMessage(ShouldBeCompleted.shouldBeCompleted(future).create());47    }48}...

ShouldBeCompleted

Using AI Code Generation

1package org.assertj.core.error.future;2import java.util.concurrent.CompletableFuture;3import org.assertj.core.error.BasicErrorMessageFactory;4import org.assertj.core.error.ErrorMessageFactory;5import org.assertj.core.internal.TestDescription;6import org.assertj.core.presentation.StandardRepresentation;7import static org.assertj.core.error.future.ShouldBeCompleted.shouldBeCompleted;8public class ShouldBeCompleted extends BasicErrorMessageFactory {9  private static final String EXPECTED = "to be completed";10  private static final String SHOULD_NOT_HAVE_BEEN = "should not have been completed";11  private static final String WAS = "was";12  public static ErrorMessageFactory shouldBeCompleted(CompletableFuture<?> actual) {13    return new ShouldBeCompleted(actual);14  }15   * Creates a new </code>{@link ShouldBeCompleted}</

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