How to use completedFutureAfter method of org.assertj.core.api.future.CompletableFutureAssert_succeedsWithin_duration_Test class

Best Assertj code snippet using org.assertj.core.api.future.CompletableFutureAssert_succeedsWithin_duration_Test.completedFutureAfter

Source:CompletableFutureAssert_succeedsWithin_duration_Test.java

...40  void should_allow_assertion_on_future_result_when_completed_normally_within_timeout() {41    // GIVEN42    String value = "done";43    int sleepDuration = 10;44    CompletableFuture<String> future = completedFutureAfter(value, sleepDuration);45    // WHEN/THEN46    // using the same duration would fail depending on when the thread executing the future is started47    assertThat(future).succeedsWithin(Duration.ofMillis(sleepDuration + 100))48                      .isEqualTo(value);49  }50  @Test51  void should_allow_narrowed_assertion_on_future_result() {52    // GIVEN53    String value = "done";54    CompletableFuture<String> future = completedFuture(value);55    // WHEN/THEN56    assertThat(future).succeedsWithin(Duration.ofMillis(1), as(STRING))57                      .startsWith("don");58  }59  @Test60  void should_fail_if_completable_future_does_not_succeed_within_given_timeout() {61    // GIVEN62    int sleepDuration = 100000;63    CompletableFuture<String> future = completedFutureAfter("ook!", sleepDuration);64    // WHEN65    AssertionError assertionError = expectAssertionError(() -> assertThat(future).succeedsWithin(Duration.ofMillis(10)));66    // THEN67    then(assertionError).hasMessageStartingWith(format("%nExpecting%n" +68                                                       "  <CompletableFuture[Incomplete]>%n" +69                                                       "to be completed within 0.01S.%n"));70  }71  @Test72  void should_fail_if_completable_future_is_cancelled() {73    // GIVEN74    CompletableFuture<String> future = new CompletableFuture<>();75    future.cancel(false);76    // WHEN77    AssertionError assertionError = expectAssertionError(() -> assertThat(future).succeedsWithin(Duration.ofMillis(1)));78    // THEN79    then(assertionError).hasMessageStartingWith(format("%nExpecting%n" +80                                                       "  <CompletableFuture[Cancelled]>%n" +81                                                       "to be completed within 0.001S.%n" +82                                                       "%n" +83                                                       "exception caught while trying to get the future result: java.util.concurrent.CancellationException"));84  }85  @Test86  void should_fail_when_completable_future_is_null() {87    // GIVEN88    CompletableFuture<String> future = null;89    // WHEN90    AssertionError assertionError = expectAssertionError(() -> assertThat(future).succeedsWithin(Duration.of(1L, MILLIS)));91    // THEN92    then(assertionError).hasMessage(actualIsNull());93  }94  @Test95  void should_fail_if_completable_future_is_completed_exceptionally() {96    // GIVEN97    CompletableFuture<String> future = new CompletableFuture<>();98    future.completeExceptionally(new RuntimeException("boom%s%n"));99    // WHEN100    AssertionError assertionError = expectAssertionError(() -> assertThat(future).succeedsWithin(Duration.of(1L, MILLIS)));101    // THEN102    then(assertionError).hasMessageStartingWith(format("%nExpecting%n  <CompletableFuture[Failed with the following stack trace:%njava.lang.RuntimeException: boom%%s%%n"))103                        .hasMessageContaining("to be completed within 0.001S.");104  }105  private static <U> CompletableFuture<U> completedFutureAfter(U value, long sleepDuration) {106    CompletableFuture<U> completableFuture = new CompletableFuture<>();107    Executors.newSingleThreadExecutor().submit(() -> {108      Thread.sleep(sleepDuration);109      completableFuture.complete(value);110      return null;111    });112    return completableFuture;113  }114}...

completedFutureAfter

Using AI Code Generation

1CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {2    try {3        Thread.sleep(1000);4    } catch (InterruptedException e) {5        e.printStackTrace();6    }7    return "Hello World";8});9assertThat(future).completedFutureAfter(1, TimeUnit.SECONDS).isEqualTo("Hello World");10CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {11    try {12        Thread.sleep(1000);13    } catch (InterruptedException e) {14        e.printStackTrace();15    }16    return "Hello World";17});18assertThat(future).completedFutureWithin(2, TimeUnit.SECONDS).isEqualTo("Hello World");19assertThat(future).succeedsWithin(1, TimeUnit.SECONDS).isEqualTo("Hello World");20assertThat(future).succeedsWithin(2, TimeUnit.SECONDS).isEqualTo("Hello World");21assertThat(future).doesNotComplete();22assertThat(future).failsWithin(1, TimeUnit.SECONDS).hasMessage("Hello World");23assertThat(future).failsWithin(2, TimeUnit.SECONDS).hasMessage("Hello World");24assertThat(future).doesNotComplete();25assertThat(future).failsWithin(1, TimeUnit.SECONDS).hasMessage("Hello World");26assertThat(future).failsWithin(2, TimeUnit.SECONDS).hasMessage("Hello World");27assertThat(future).doesNotComplete();28assertThat(future).failsWithin(1, TimeUnit.SECONDS).hasMessage("Hello World");29assertThat(future).failsWithin(2, TimeUnit.SECONDS).hasMessage("Hello World");30assertThat(future).doesNotComplete();31assertThat(future).failsWithin(1, TimeUnit.SECONDS).hasMessage("Hello World");32assertThat(future).failsWithin(2, TimeUnit.SECONDS).hasMessage("Hello World");33assertThat(future).doesNotComplete();34assertThat(future).failsWithin(1, TimeUnit.SECONDS).hasMessage("Hello World");35assertThat(future).failsWithin(2, TimeUnit.SECONDS).hasMessage("Hello World");36assertThat(future).doesNotComplete();37assertThat(future).failsWithin(1, TimeUnit.SECONDS).hasMessage("Hello World");38assertThat(future).failsWithin(2, TimeUnit.SECONDS).hasMessage("Hello World");39assertThat(future).doesNotComplete();40assertThat(future).failsWithin(1, TimeUnit.SECONDS).hasMessage

completedFutureAfter

Using AI Code Generation

1CompletableFuture<String> future = CompletableFuture.completedFuture("done");2CompletableFutureAssert<String> assertions = assertThat(future);3assertions.succeedsWithin(10, TimeUnit.MILLISECONDS).isEqualTo("done");4CompletableFuture<String> future = CompletableFuture.completedFuture("done");5CompletableFutureAssert<String> assertions = assertThat(future);6assertions.succeedsWithin(10, TimeUnit.MILLISECONDS).isEqualTo("not done");7public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate)8public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate,9public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate,10public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate,11public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate,12public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate,13public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate,14public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate,15public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate,16public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate,17public CompletableFutureAssert<T> isCompletedWithValueMatching(Predicate<T> predicate,

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.