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

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

Source:AbstractCompletableFutureAssert.java Github

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...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}...

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1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.ExecutionException;3import java.util.concurrent.TimeUnit;4import java.util.concurrent.TimeoutException;5import org.assertj.core.api.AbstractCompletableFutureAssert;6import org.assertj.core.api.Assertions;7import org.junit.Test;8public class CompletableFutureTest {9 public void testCompletableFuture() throws InterruptedException, ExecutionException, TimeoutException {10 CompletableFuture<String> future = new CompletableFuture<>();11 future.complete("Hello");12 AbstractCompletableFutureAssert<?, String> assertFuture = Assertions.assertThat(future);13 assertFuture.isCompleted();14 assertFuture.isCompletedWithValue("Hello");15 assertFuture.isDone();16 assertFuture.isNotCancelled();17 assertFuture.isNotCompletedExceptionally();18 assertFuture.hasNotFailed();19 String result = assertFuture.get(1, TimeUnit.SECONDS);20 Assertions.assertThat(result).isEqualTo("Hello");21 CompletableFuture<String> future2 = new CompletableFuture<>();22 future2.completeExceptionally(new RuntimeException("I failed"));23 AbstractCompletableFutureAssert<?, String> assertFuture2 = Assertions.assertThat(future2);24 assertFuture2.isCompletedExceptionally();25 assertFuture2.isDone();26 assertFuture2.isNotCancelled();27 assertFuture2.isNotCompleted();28 assertFuture2.hasFailed();29 try {30 assertFuture2.get(1, TimeUnit.SECONDS);31 } catch (Exception e) {32 Assertions.assertThat(e).isInstanceOf(ExecutionException.class);33 Assertions.assertThat(e.getCause()).isInstanceOf(RuntimeException.class);34 Assertions.assertThat(e.getCause().getMessage()).isEqualTo("I failed");35 }36 }37}38import org.assertj.core.api.Assertions;39import org.junit.Test;40public class CompletableFutureTest {41 public void testCompletableFuture() throws InterruptedException, ExecutionException, TimeoutException {42 CompletableFuture<String> future = new CompletableFuture<>();43 future.complete("Hello");44 AbstractCompletableFutureAssert<?, String> assertFuture = Assertions.assertThat(future);45 assertFuture.isCompleted();46 assertFuture.isCompletedWithValue("Hello");47 assertFuture.isDone();48 assertFuture.isNotCancelled();49 assertFuture.isNotCompletedExceptionally();50 String result = assertFuture.get(1, TimeUnit.SECONDS);51 Assertions.assertThat(result).isEqualTo("Hello");52 }53}

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1import static java.util.concurrent.CompletableFuture.completedFuture;2import static java.util.concurrent.CompletableFuture.failedFuture;3import static org.assertj.core.api.Assertions.assertThat;4import static org.assertj.core.api.Assertions.assertThatThrownBy;5import java.util.concurrent.CompletableFuture;6import java.util.concurrent.CompletionException;7import org.junit.jupiter.api.Test;8public class CompletableFutureTest {9 public void test() {10 CompletableFuture<String> future = completedFuture("Hello World");11 assertThat(future).hasNotFailed();12 assertThat(future).hasNotFailed().hasNotFailed();13 assertThat(future).hasNotFailed().hasNotFailed().hasNotFailed();14 assertThat(future).hasNotFailed().hasNotFailed().hasNotFailed().hasNotFailed();15 assertThat(future).hasNotFailed().hasNotFailed().hasNotFailed().hasNotFailed().hasNotFailed();16 assertThat(future).hasNotFailed().hasNotFailed().hasNotFailed().hasNotFailed().hasNotFailed().hasNotFailed();17 assertThat(future).hasNotFailed().hasNotFailed().hasNotFailed().hasNotFailed().hasNotFailed().hasNotFailed().hasNotFailed();18 assertThat(future).hasNotFailed().hasNotFailed().hasNotFailed(

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1import org.assertj.core.api.AbstractCompletableFutureAssert;2import org.junit.Test;3import java.util.concurrent.CompletableFuture;4import static org.assertj.core.api.Assertions.assertThat;5public class CompletableFutureAssertTest {6 public void test(){7 CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello");8 assertThat(future).hasFailed();9 }10}11 at org.assertj.core.api.AbstractCompletableFutureAssert.failWithMessage(AbstractCompletableFutureAssert.java:188)12 at org.assertj.core.api.AbstractCompletableFutureAssert.hasFailed(AbstractCompletableFutureAssert.java:182)13 at CompletableFutureAssertTest.test(CompletableFutureAssertTest.java:13)14public AbstractCompletableFutureAssert<T> hasFailed() {15 isNotNull();16 if (!actual.isCompletedExceptionally())17<%s>", actual);18 return myself;19 }20public AbstractCompletableFutureAssert<T> hasFailedWithThrowable(Class<? extends Throwable> expectedThrowable) {21 isNotNull();22 Throwable throwable = catchThrowable(actual::get);23 if (throwable == null)24<%s>", actual);25 if (!expectedThrowable.isInstance(throwable))26<%s>", expectedThrowable, throwable);27 return myself;28 }

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