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

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

Source:AbstractCompletableFutureAssert.java

...79  /**80   * Verifies that the {@link CompletableFuture} is completed exceptionally. 81   * Possible causes include cancellation, explicit invocation of completeExceptionally, and abrupt termination of a CompletionStage action.82   * <p>83   * If you only want to check that actual future is completed exceptionally but not cancelled, use {@link #hasFailed()} or {@link #hasFailedWithThrowableThat()}.84   * <p>85   * Assertion will pass :86   * <pre><code class='java'> CompletableFuture future = new CompletableFuture();87   * future.completeExceptionally(new RuntimeException());88   * assertThat(future).isCompletedExceptionally();</code></pre>89   *90   * Assertion will fail :91   * <pre><code class='java'> assertThat(CompletableFuture.completedFuture("something")).isCompletedExceptionally();</code></pre>92   *93   * @return this assertion object.94   *95   * @see CompletableFuture#isCompletedExceptionally()96   */97  public SELF isCompletedExceptionally() {98    isNotNull();99    System.out.println("before assertion " + actual);100    if (!actual.isCompletedExceptionally()) throwAssertionError(shouldHaveCompletedExceptionally(actual));101    return myself;102  }103  /**104   * Verifies that the {@link CompletableFuture} is not completed exceptionally.105   * <p>106   * Assertion will pass :107   * <pre><code class='java'> assertThat(CompletableFuture.completedFuture("something")).isNotCompletedExceptionally();</code></pre>108   *109   * Assertion will fail :110   * <pre><code class='java'> CompletableFuture future = new CompletableFuture();111   * future.completeExceptionally(new RuntimeException());112   * assertThat(future).isNotCompletedExceptionally();</code></pre>113   *114   * @return this assertion object.115   *116   * @see CompletableFuture#isCompletedExceptionally()117   */118  public SELF isNotCompletedExceptionally() {119    isNotNull();120    if (actual.isCompletedExceptionally()) throwAssertionError(shouldNotHaveCompletedExceptionally(actual));121    return myself;122  }123  /**124   * Verifies that the {@link CompletableFuture} is cancelled.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   *320   * Assertion will fail :321   * <pre><code class='java'> CompletableFuture future = new CompletableFuture();322   * future.completeExceptionally(new RuntimeException());323   *324   * assertThat(future).hasFailedWithThrowableThat().isInstanceOf(IllegalArgumentException.class);325   * </code></pre>326   *327   * @return an exception assertion object.328   */329  public AbstractThrowableAssert<?, ? extends Throwable> hasFailedWithThrowableThat() {330    hasFailed();331    try {332      actual.join();333      return assertThat((Throwable) null);334    } catch (CompletionException e) {335      return assertThat(e.getCause());336    }337  }338}...

hasFailedWithThrowableThat

Using AI Code Generation

1import org.assertj.core.api.AbstractCompletableFutureAssert2import org.assertj.core.api.Assertions.assertThat3import org.junit.jupiter.api.Test4import java.util.concurrent.CompletableFuture5import java.util.concurrent.ExecutionException6class CompletableFutureTest {7    fun `should fail with ExecutionException`() {8        val future = CompletableFuture.supplyAsync { throw RuntimeException("test") }9        assertThat(future).hasFailedWithThrowableThat { it.message == "test" }10    }11}12	at org.assertj.core.api.AbstractCompletableFutureAssert.hasFailedWithThrowableThat(AbstractCompletableFutureAssert.java:155)13	at CompletableFutureTest.should fail with ExecutionException(CompletableFutureTest.kt:16)

hasFailedWithThrowableThat

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.CompletionException;4public class AssertJCompletableFuture {5    public static void main(String[] args) {6        CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {7            throw new RuntimeException("Exception from future");8        });9        assertThat(future).hasFailedWithThrowableThat().isInstanceOf(CompletionException.class);10    }11}12	at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)13	at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)14	at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1764)15	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)16	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)17	at java.base/java.lang.Thread.run(Thread.java:832)18	at com.baeldung.completablefuture.AssertJCompletableFuture.lambda$main$0(AssertJCompletableFuture.java:10)19	at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1762)

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