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

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

Source:AbstractCompletableFutureAssert.java

...125   * <p>126   * Assertion will pass :127   * <pre><code class='java'> CompletableFuture future = new CompletableFuture();128   * future.cancel(true);129   * assertThat(future).isCancelled();</code></pre>130   *131   * Assertion will fail :132   * <pre><code class='java'> assertThat(new CompletableFuture()).isCancelled();</code></pre>133   *134   * @return this assertion object.135   *136   * @see CompletableFuture#isCancelled()137   */138  public SELF isCancelled() {139    isNotNull();140    if (!actual.isCancelled()) throwAssertionError(shouldBeCancelled(actual));141    return myself;142  }143  /**144   * Verifies that the {@link CompletableFuture} is not cancelled.145   * <p>146   * Assertion will pass :147   * <pre><code class='java'> assertThat(new CompletableFuture()).isNotCancelled();</code></pre>148   *149   * Assertion will fail :150   * <pre><code class='java'> CompletableFuture future = new CompletableFuture();151   * future.cancel(true);152   * assertThat(future).isNotCancelled();</code></pre>153   *154   * @return this assertion object.155   *156   * @see CompletableFuture#isCancelled()157   */158  public SELF isNotCancelled() {159    isNotNull();160    if (actual.isCancelled()) throwAssertionError(shouldNotBeCancelled(actual));161    return myself;162  }163  /**164   * Verifies that the {@link CompletableFuture} is completed normally (i.e.{@link CompletableFuture#isDone() done} 165   * but not {@link CompletableFuture#isCompletedExceptionally() completed exceptionally}).166   * <p>167   * Assertion will pass :168   * <pre><code class='java'> assertThat(CompletableFuture.completedFuture("something")).isCompleted();</code></pre>169   *170   * Assertion will fail :171   * <pre><code class='java'> assertThat(new CompletableFuture()).isCompleted();</code></pre>172   *173   * @return this assertion object.174   */175  public SELF isCompleted() {176    isNotNull();177    if (!actual.isDone() || actual.isCompletedExceptionally()) throwAssertionError(shouldBeCompleted(actual));178    return myself;179  }180  /**181   * Verifies that the {@link CompletableFuture} is not completed normally (i.e. incomplete, failed or cancelled).182   * <p>183   * Assertion will pass :184   * <pre><code class='java'> assertThat(new CompletableFuture()).isNotCompleted();</code></pre>185   *186   * Assertion will fail :187   * <pre><code class='java'> assertThat(CompletableFuture.completedFuture("something")).isNotCompleted();</code></pre>188   *189   * @return this assertion object.190   */191  public SELF isNotCompleted() {192    isNotNull();193    if (actual.isDone() && !actual.isCompletedExceptionally()) throwAssertionError(shouldNotBeCompleted(actual));194    return myself;195  }196  /**197   * Verifies that the {@link CompletableFuture} is completed normally with the {@code expected} result.198   * <p>199   * Assertion will pass :200   * <pre><code class='java'> assertThat(CompletableFuture.completedFuture("something"))201   *           .isCompletedWithValue("something");</code></pre>202   *203   * Assertion will fail :204   * <pre><code class='java'> assertThat(CompletableFuture.completedFuture("something"))205   *           .isCompletedWithValue("something else");</code></pre>206   *207   * @param expected the expected result value of the {@link CompletableFuture}.208   * @return this assertion object.209   */210  public SELF isCompletedWithValue(RESULT expected) {211    isCompleted();212    RESULT actualResult = actual.join();213    if (!Objects.equals(actualResult, expected))214      throw Failures.instance().failure(info, shouldBeEqual(actualResult, expected, info.representation()));215    return myself;216  }217  /**218   * Verifies that the {@link CompletableFuture} is completed normally with a result matching the {@code predicate}.219   * <p>220   * Assertion will pass :221   * <pre><code class='java'> assertThat(CompletableFuture.completedFuture("something"))222   *           .isCompletedWithValueMatching(result -&gt; result.equals("something"));</code></pre>223   *224   * Assertion will fail :225   * <pre><code class='java'> assertThat(CompletableFuture.completedFuture("something"))226   *           .isCompletedWithValueMatching(result -&gt; result.equals("something else"));</code></pre>227   *228   * @param predicate the {@link Predicate} to apply.229   * @return this assertion object.230   */231  public SELF isCompletedWithValueMatching(Predicate<? super RESULT> predicate) {232    return isCompletedWithValueMatching(predicate, PredicateDescription.GIVEN);233  }234  /**235   * Verifies that the {@link CompletableFuture} is completed normally with a result matching the {@code predicate}, 236   * the String parameter is used in the error message.237   * <p>238   * Assertion will pass :239   * <pre><code class='java'> assertThat(CompletableFuture.completedFuture("something"))240   *           .isCompletedWithValueMatching(result -&gt; result != null, "expected not null");</code></pre>241   *242   * Assertion will fail :243   * <pre><code class='java'> assertThat(CompletableFuture.completedFuture("something"))244   *           .isCompletedWithValueMatching(result -&gt; result == null, "expected null");</code></pre>245   * Error message is:            246   * <pre><code class='java'> Expecting:247   *   &lt;"something"&gt;248   * to match 'expected null' predicate.</code></pre>249   *250   * @param predicate the {@link Predicate} to apply on the resulting value.251   * @param description the {@link Predicate} description.252   * @return this assertion object.253   */254  public SELF isCompletedWithValueMatching(Predicate<? super RESULT> predicate, String description) {255    return isCompletedWithValueMatching(predicate, new PredicateDescription(description));256  }257  private SELF isCompletedWithValueMatching(Predicate<? super RESULT> predicate, PredicateDescription description) {258    isCompleted();259    RESULT actualResult = actual.join();260    if (!predicate.test(actualResult))261      throw Failures.instance().failure(info, shouldMatch(actualResult, predicate, description));262    return myself;263  }264  /**265   * Verifies that the {@link CompletableFuture} has completed exceptionally but has not been cancelled, 266   * this assertion is equivalent to: 267   * <pre><code class='java'> assertThat(future).isCompletedExceptionally()268   *                   .isNotCancelled();</code></pre>269   * <p>270   * Assertion will pass :271   * <pre><code class='java'> CompletableFuture future = new CompletableFuture();272   * future.completeExceptionally(new RuntimeException());273   * assertThat(future).hasFailed();</code></pre>274   *275   * Assertion will fail :276   * <pre><code class='java'> CompletableFuture future = new CompletableFuture();277   * future.cancel(true);278   * assertThat(future).hasFailed();</code></pre>279   *280   * @return this assertion object.281   */282  public SELF hasFailed() {283    isNotNull();284    if (!actual.isCompletedExceptionally() || actual.isCancelled()) throwAssertionError(shouldHaveFailed(actual));285    return myself;286  }287  /**288   * Verifies that the {@link CompletableFuture} has not failed i.e: incomplete, completed or cancelled.<br>289   * This is different from {@link #isNotCompletedExceptionally()} as a cancelled future has not failed but is completed exceptionally.290   * <p>291   * Assertion will pass :292   * <pre><code class='java'> CompletableFuture future = new CompletableFuture();293   * future.cancel(true);294   * assertThat(future).hasNotFailed();</code></pre>295   *296   * Assertion will fail :297   * <pre><code class='java'> CompletableFuture future = new CompletableFuture();298   * future.completeExceptionally(new RuntimeException());299   * assertThat(future).hasNotFailed();</code></pre>300   *301   * @return this assertion object.302   */303  public SELF hasNotFailed() {304    isNotNull();305    if (actual.isCompletedExceptionally() && !actual.isCancelled()) throwAssertionError(shouldNotHaveFailed(actual));306    return myself;307  }308  /**309   * Verifies that the {@link CompletableFuture} has completed exceptionally and 310   * returns a Throwable assertion object allowing to check the Throwable that has caused the future to fail.311   * <p>312   * Assertion will pass :313   * <pre><code class='java'> CompletableFuture future = new CompletableFuture();314   * future.completeExceptionally(new RuntimeException("boom!"));315   *316   * assertThat(future).hasFailedWithThrowableThat().isInstanceOf(RuntimeException.class);317   *                                                .hasMessage("boom!");318   * </code></pre>319   *...

isCancelled

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.ExecutionException;3import org.assertj.core.api.AbstractCompletableFutureAssert;4import org.assertj.core.api.Assertions;5import org.junit.Test;6public class CompletableFutureTest {7	public void testCompletableFuture() throws InterruptedException, ExecutionException {8		CompletableFuture<String> completableFuture = new CompletableFuture<>();9		AbstractCompletableFutureAssert<?, ?> assertCompletableFuture = Assertions.assertThat(completableFuture);10		assertCompletableFuture.isCancelled();11	}12}13	at org.assertj.core.api.AbstractCompletableFutureAssert.isCancelled(AbstractCompletableFutureAssert.java:61)14	at org.example.CompletableFutureTest.testCompletableFuture(CompletableFutureTest.java:20)15	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)16	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)17	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)18	at java.lang.reflect.Method.invoke(Method.java:498)19	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)20	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)21	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)22	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)23	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)24	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)25	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)26	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)27	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)28	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)29	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)30	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)31	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)32	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)33	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)34	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4I

isCancelled

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.ExecutionException;3import org.junit.jupiter.api.Test;4import static org.assertj.core.api.Assertions.assertThat;5class CompletableFutureTest {6    void testCompletableFuture() throws InterruptedException, ExecutionException {7        CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {8            try {9                Thread.sleep(1000);10            } catch (InterruptedException e) {11                e.printStackTrace();12            }13            return "Hello World";14        });15        assertThat(future).isNotCancelled();16        assertThat(future).isNotDone();17        future.cancel(true);18        assertThat(future).isCancelled();19        assertThat(future).isDone();20        assertThat(future).isCompletedExceptionally();21    }22}

isCancelled

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.TimeUnit;4public class CompletableFutureIsCancelled {5  public static void main(String[] args) throws InterruptedException {6    CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello");7    future.cancel(true);8    assertThat(future).isCancelled();9    System.out.println("Is future cancelled? " + future.isCancelled());10  }11}

isCancelled

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.concurrent.CompletableFuture;3import org.junit.Test;4public class AssertJCompletableFutureTest {5	public void testIsCancelledMethod() {6		CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello");7		future.cancel(true);8		assertThat(future).isCancelled();9	}10}

isCancelled

Using AI Code Generation

1public void testIsCancelled() {2  CompletableFuture<String> future = new CompletableFuture<>();3  future.cancel(true);4  assertThat(future).isCancelled();5}6public void testWhenComplete() {7  CompletableFuture<String> future = new CompletableFuture<>();8  future.complete("done");9  assertThat(future).whenComplete((result, throwable) -> {10    assertThat(result).isEqualTo("done");11    assertThat(throwable).isNull();12  });13}14public void testWhenCompleteAsync() {15  CompletableFuture<String> future = new CompletableFuture<>();16  future.complete("done");17  assertThat(future).whenCompleteAsync((result, throwable) -> {18    assertThat(result).isEqualTo("done");19    assertThat(throwable).isNull();20  });21}22public void testWhenCompleteAsyncExecutor() {23  CompletableFuture<String> future = new CompletableFuture<>();24  future.complete("done");25  assertThat(future).whenCompleteAsync((result, throwable) -> {26    assertThat(result).isEqualTo("done");27    assertThat(throwable).isNull();28  }, Executors.newSingleThreadExecutor());29}

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