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

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

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...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();...

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isCompletedWithValueMatching

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1import static java.util.concurrent.CompletableFuture.completedFuture;2import static org.assertj.core.api.Assertions.assertThat;3public void givenCompletedFuture_whenAssertingValue_thenCorrect() {4 CompletableFuture<String> future = completedFuture("value");5 assertThat(future).isCompletedWithValueMatching("value"::equals);6}

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isCompletedWithValueMatching

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1assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"));2assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message");3assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", "custom arg 1", "custom arg 2");4assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", 1, 2);5assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", new Object(), new Object());6assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", new Object(), new Object());7assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", 1, 2);8assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", new Object(), new Object());9assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", new Object(), new Object());10assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", 1, 2);11assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", new Object(), new Object());12assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", new Object(), new Object());13assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", 1, 2);14assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", new Object(), new Object());15assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", new Object(), new Object());16assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", 1, 2);17assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", new Object(), new Object());18assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", new Object(), new Object());19assertThat(future).isCompletedWithValueMatching(value -> value.contains("foo"), "custom message", 1, 2);20assertThat(future).isCompletedWithValueMatching(value -> value.contains("

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isCompletedWithValueMatching

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1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.TimeUnit;3import org.junit.jupiter.api.Test;4import static org.assertj.core.api.Assertions.assertThat;5import static org.assertj.core.api.Assertions.assertThatThrownBy;6public class CompletableFutureAssertTest {7 public void testIsCompletedWithValueMatching() throws InterruptedException {8 CompletableFuture<String> future = new CompletableFuture<>();9 future.complete("foo");10 assertThat(future).isCompletedWithValueMatching(s -> s.startsWith("f"));11 }12 public void testIsCompletedWithValueMatchingWithTimeout() throws InterruptedException {13 CompletableFuture<String> future = new CompletableFuture<>();14 future.complete("foo");15 assertThat(future).isCompletedWithValueMatching(s -> s.startsWith("f"), 5, TimeUnit.SECONDS);16 }17 public void testIsCompletedWithValueMatchingWithTimeoutAndNullTimeUnit() throws InterruptedException {18 CompletableFuture<String> future = new CompletableFuture<>();19 future.complete("foo");20 assertThatThrownBy(() -> assertThat(future).isCompletedWithValueMatching(s -> s.startsWith("f"), 5, null))21 .isInstanceOf(NullPointerException.class)22 .hasMessage("The TimeUnit to use should not be null");23 }24 public void testIsCompletedWithValueMatchingWithNullTimeUnit() throws InterruptedException {25 CompletableFuture<String> future = new CompletableFuture<>();26 future.complete("foo");27 assertThatThrownBy(() -> assertThat(future).isCompletedWithValueMatching(s -> s.startsWith("f"), null))28 .isInstanceOf(NullPointerException.class)29 .hasMessage("The TimeUnit to use should not be null");30 }31 public void testIsCompletedWithValueMatchingWithNullPredicate() throws InterruptedException {32 CompletableFuture<String> future = new CompletableFuture<>();33 future.complete("foo");34 assertThatThrownBy(() -> assertThat(future).isCompletedWithValueMatching(null))35 .isInstanceOf(NullPointerException.class)36 .hasMessage("The Predicate to use should not be null");37 }38 public void testIsCompletedWithValueMatchingWithNullPredicateAndTimeout() throws InterruptedException {39 CompletableFuture<String> future = new CompletableFuture<>();40 future.complete("foo");

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1 public void testCompletableFuture() {2 CompletableFuture<String> completableFuture = CompletableFuture.completedFuture("Hello");3 assertThat(completableFuture).isCompletedWithValueMatching(s -> s.equals("Hello"));4 }5}6at org.junit.Assert.assertEquals(Assert.java:115)7at org.junit.Assert.assertEquals(Assert.java:144)8at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:65)9at org.assertj.core.api.AbstractCompletableFutureAssert.isCompletedWithValueMatching(AbstractCompletableFutureAssert.java:83)10at org.assertj.core.api.AbstractCompletableFutureAssert.isCompletedWithValueMatching(AbstractCompletableFutureAssert.java:48)11at com.baeldung.completablefuture.CompletableFutureTest.testCompletableFuture(CompletableFutureTest.java:17)

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1 assertThat(future).isCompletedWithValueMatching(value -> value.startsWith("foo"));2}3You can also use the isCompletedWithValueSatisfying(Consumer) method to verify that a future has a value that matches a predicate:4void testFutureCompletedWithValueSatisfying() {5 CompletableFuture<String> future = new CompletableFuture<>();6 future.complete("foobar");7 assertThat(future).isCompletedWithValueSatisfying(value -> assertThat(value).startsWith("foo"));8}9You can also use the isCompletedWithValueMatching(Predicate) method to verify that a future has a value that matches a predicate:10void testFutureCompletedWithValueMatching() {11 CompletableFuture<String> future = new CompletableFuture<>();12 future.complete("foobar");13 assertThat(future).isCompletedWithValueMatching(value -> value.startsWith("foo"));14}15You can also use the isCompletedWithValueMatching(Predicate) method to verify that a future has a value that matches a predicate:16void testFutureCompletedWithValueMatching() {17 CompletableFuture<String> future = new CompletableFuture<>();18 future.complete("foobar");19 assertThat(future).isCompletedWithValueMatching(value -> value.startsWith("foo"));20}21You can also use the isCompletedWithValueMatching(Predicate) method to verify that a future has a value that matches a predicate:22void testFutureCompletedWithValueMatching() {23 CompletableFuture<String> future = new CompletableFuture<>();24 future.complete("foobar");25 assertThat(future).isCompletedWithValueMatching(value -> value.startsWith("foo"));26}27You can also use the isCompletedWithValueMatching(Predicate) method to verify that a future has a value that matches a predicate:28void testFutureCompletedWithValueMatching() {29 CompletableFuture<String> future = new CompletableFuture<>();30 future.complete("foobar");31 assertThat(future).isCompletedWithValueMatching(value -> value.startsWith("foo"));32}33You can also use the isCompletedWithValueMatching(Predicate) method

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