Best Assertj code snippet using org.assertj.core.api.ErrorCollector.addError
Source:InternalResourceManagerTest.java  
...166        }167        done.set(true);168      } catch (Exception exception) {169        fail("Exception:" + exception);170        errorCollector.addError(exception);171      }172    });173    executorServiceRule.submit(() -> {174      try {175        resourceManager.addStartupTask(task);176      } catch (Exception exception) {177        fail("Exception:" + exception);178        errorCollector.addError(exception);179      }180    });181    executorServiceRule.getExecutorService().awaitTermination(60, SECONDS);182    assertThat(done.get()).isTrue();183  }184  @Test185  public void testConcurrentAllOfStartupTasks() throws InterruptedException {186    CompletableFuture task = new CompletableFuture<>();187    final AtomicBoolean done = new AtomicBoolean(false);188    IntStream.range(0, 100).forEach(i -> resourceManager.addStartupTask(task));189    executorServiceRule.submit(() -> {190      try {191        Collection<CompletableFuture<Void>> startupTasks = resourceManager.getStartupTasks();192        synchronized (startupTasks) {193          for (CompletableFuture<Void> startupTask : startupTasks) {194            Thread.sleep(100);195          }196        }197        done.set(true);198      } catch (Exception exception) {199        fail("Exception:" + exception);200        errorCollector.addError(exception);201      }202    });203    executorServiceRule.submit(() -> {204      try {205        resourceManager.allOfStartupTasks();206      } catch (Exception exception) {207        fail("Exception:" + exception);208        errorCollector.addError(exception);209      }210    });211    executorServiceRule.getExecutorService().awaitTermination(60, SECONDS);212    assertThat(done.get()).isTrue();213  }214}...Source:FileProcessControllerIntegrationTest.java  
...100    executorServiceRule.execute(() -> {101      try {102        statusRef.set(controller.status());103      } catch (Exception e) {104        errorCollector.addError(e);105      }106    });107    await().untilAsserted(() -> assertThat(statusFile.exists()).isEqualTo(false));108    // and: json is written to the status file109    FileUtils.writeStringToFile(statusFile, STATUS_JSON, Charset.defaultCharset());110    // then: returned status should be the json in the file111    await().untilAsserted(() -> assertThat(statusRef.get()).isEqualTo(STATUS_JSON));112  }113  /**114   * This is a new test written for GEODE-3413: "Overhaul launcher tests and process tests."115   * Unfortunately, it hangs so I have filed GEODE-3278. This test should be used to fix and verify116   * that bug.117   */118  @Ignore("GEODE-3278: Empty status file causes status server and status locator to hang")119  @Test120  public void emptyStatusFileCausesStatusToHang() throws Exception {121    // given: FileProcessController with pidFile containing real pid122    FileUtils.writeStringToFile(pidFile, String.valueOf(pid), Charset.defaultCharset());123    FileProcessController controller = new FileProcessController(params, pid, 2, MINUTES);124    // when: status is called in one thread125    executorServiceRule.execute(() -> {126      try {127        statusRef.set(controller.status());128      } catch (Exception e) {129        errorCollector.addError(e);130      }131    });132    // and: json is written to the status file133    new EmptyFileWriter(statusFile).createNewFile();134    // then: returned status should be the json in the file135    await().untilAsserted(() -> assertThat(statusRef.get()).isEqualTo(STATUS_JSON));136  }137  @Test138  public void stopCreatesStopRequestFile() throws Exception {139    // arrange140    FileProcessController controller = new FileProcessController(params, pid);141    assertThat(stopRequestFile).doesNotExist();142    // act143    controller.stop();144    // assert145    assertThat(stopRequestFile).exists();146  }147  @Test148  public void stop_withStopRequestFileExists_doesNotFail() throws Exception {149    // arrange150    FileProcessController controller = new FileProcessController(params, pid);151    assertThat(stopRequestFile.createNewFile()).isTrue();152    // act153    controller.stop();154    // assert155    assertThat(stopRequestFile).exists();156  }157  @Test158  public void status_withStatusRequestFileExists_doesNotFail() throws Exception {159    // arrange160    FileProcessController controller = new FileProcessController(params, pid);161    assertThat(statusRequestFile.createNewFile()).isTrue();162    // act163    executorServiceRule.execute(() -> {164      try {165        statusRef.set(controller.status());166      } catch (Exception e) {167        errorCollector.addError(e);168      }169    });170    FileUtils.writeStringToFile(statusFile, STATUS_JSON, Charset.defaultCharset());171    // assert172    await().untilAsserted(() -> assertThat(statusRequestFile).exists());173  }174  @Test175  public void statusCreatesStatusRequestFile() throws Exception {176    // arrange177    FileUtils.writeStringToFile(pidFile, String.valueOf(pid), Charset.defaultCharset());178    FileProcessController controller = new FileProcessController(params, pid, 2, MINUTES);179    // act180    executorServiceRule.execute(() -> {181      try {182        assertThatThrownBy(() -> statusRef.set(controller.status()))183            .isInstanceOf(InterruptedException.class);184      } catch (Throwable t) {185        errorCollector.addError(t);186      }187    });188    // assert189    await().untilAsserted(() -> assertThat(statusRequestFile).exists());190  }191  private static String generateStatusJson() {192    Builder builder = new Builder();193    LocatorLauncher defaultLauncher = builder.build();194    Status status = Status.ONLINE;195    LocatorState locatorState = new LocatorState(defaultLauncher, status);196    return locatorState.toJson();197  }198}...addError
Using AI Code Generation
1package org.tektutor;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.assertThatThrownBy;4import org.assertj.core.api.ErrorCollector;5import org.junit.Rule;6import org.junit.Test;7public class ErrorCollectorTest {8	public ErrorCollector collector = new ErrorCollector();9	public void testAddError() {10		assertThat(10).isEqualTo(10);11		collector.addError(new IllegalArgumentException("Illegal Argument"));12		assertThat(20).isEqualTo(20);13	}14}15        at org.tektutor.ErrorCollectorTest.testAddError(ErrorCollectorTest.java:17)16at org.tektutor.ErrorCollectorTest.testAddError(ErrorCollectorTest.java:19)17package org.tektutor;18import static org.assertj.core.api.Assertions.assertThat;19import org.assertj.core.api.SoftAssertions;20import org.junit.jupiter.api.Test;21public class SoftAssertionsTest {22	public void testSoftAssertions() {23		SoftAssertions softly = new SoftAssertions();24		softly.assertThat(10).isEqualTo(10);25		softly.assertThat(20).isEqualTo(20);26		softly.assertAll();27	}28}addError
Using AI Code Generation
1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.within;3import org.assertj.core.api.ErrorCollector;4import org.junit.Test;5public class ErrorCollectorTest {6    public void testErrorCollector() {7        ErrorCollector collector = new ErrorCollector();8        collector.addError(new Throwable("first error"));9        collector.addError(new Throwable("second error"));10        collector.checkThat(5, equalTo(3));11        collector.checkThat(2.3, equalTo(2.32, within(0.1)));12        collector.checkThat("abc", equalTo("def"));13    }14}addError
Using AI Code Generation
1import org.assertj.core.api.ErrorCollector;2import org.assertj.core.api.JUnitSoftAssertions;3import org.junit.Rule;4import org.junit.Test;5public class AssertJErrorCollector {6    public JUnitSoftAssertions softly = new JUnitSoftAssertions();7    public void testAddError() {8        ErrorCollector collector = new ErrorCollector();9        collector.addError(new Throwable("Error1"));10        collector.addError(new Throwable("Error2"));11        collector.addError(new Throwable("Error3"));12        collector.addError(new Throwable("Error4"));13        collector.addError(new Throwable("Error5"));14        collector.assertAll();15    }16}17import org.assertj.core.api.ErrorCollector;18import org.assertj.core.api.JUnitSoftAssertions;19import org.junit.Rule;20import org.junit.Test;21public class AssertJErrorCollector {22    public JUnitSoftAssertions softly = new JUnitSoftAssertions();23    public void testAddError() {24        ErrorCollector collector = new ErrorCollector();25        collector.addError(new Throwable("Error1"));26        collector.addError(new Throwable("Error2"));27        collector.addError(new Throwable("Error3"));28        collector.addError(new Throwable("Error4"));29        collector.addError(new Throwable("Error5"));30        softly.assertThat(collector.errorsCollected()).isEmpty();31    }32}addError
Using AI Code Generation
1import org.assertj.core.api.ErrorCollector;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.junit.runners.JUnit4;5import static org.junit.Assert.*;6import static org.assertj.core.api.Assertions.*;7import static org.assertj.core.api.Assertions.assertThat;8@RunWith(JUnit4.class)9public class AddErrorTest {10   public void testAddError() {11      ErrorCollector errorCollector = new ErrorCollector();12      errorCollector.addError(new Throwable("Error 1"));13      errorCollector.addError(new Throwable("Error 2"));14      errorCollector.addError(new Throwable("Error 3"));15      errorCollector.addError(new Throwable("Error 4"));16      errorCollector.addError(new Throwable("Error 5"));17   }18}addError
Using AI Code Generation
1import org.assertj.core.api.ErrorCollector;2import org.assertj.core.api.Assertions;3import org.junit.Rule;4import org.junit.Test;5import org.junit.rules.ErrorCollector;6public class Test1 {7    public ErrorCollector collector = new ErrorCollector();8    public void test1() {9        collector.addError(new Throwable("error1"));10        collector.addError(new Throwable("error2"));11        collector.addError(new Throwable("error3"));12        Assertions.assertThat(1).isEqualTo(2);13        System.out.println("test1");14    }15    public void test2() {16        System.out.println("test2");17    }18}19import org.assertj.core.api.Assertions;20import org.junit.Rule;21import org.junit.Test;22import org.junit.rules.ErrorCollector;23public class Test2 {24    public ErrorCollector collector = new ErrorCollector();25    public void test1() {26        Assertions.assertThatThrownBy(() -> {27            throw new Exception("error1");28        }).isInstanceOf(Exception.class).hasMessage("error1");29        Assertions.assertThatThrownBy(() -> {30            throw new Exception("error2");31        }).isInstanceOf(Exception.class).hasMessage("error2");32        Assertions.assertThatThrownBy(() -> {33            throw new Exception("error3");34        }).isInstanceOf(Exception.class).hasMessage("error3");35        Assertions.assertThat(1).isEqualTo(2);36        System.out.println("test1");37    }38    public void test2() {39        System.out.println("test2");40    }41}42import static org.junit.jupiter.api.Assertions.assertThrows;43import org.junit.Rule;44import org.junit.Test;45import org.junit.rules.ErrorCollector;46public class Test3 {47    public ErrorCollector collector = new ErrorCollector();48    public void test1() {49        Exception exception = assertThrows(Exception.class, () -> {50            throw new Exception("error1");51        });52        Assertions.assertThat(exception.getMessage()).isEqualTo("error1");53        exception = assertThrows(Exception.class, () -> {54            throw new Exception("error2");55        });56        Assertions.assertThat(exception.getMessage()).isEqualTo("error2");57        exception = assertThrows(Exception.class, () -> {addError
Using AI Code Generation
1import org.assertj.core.api.ErrorCollector;2import org.junit.Test;3public class ErrorCollectorTest {4public void testErrorCollector(){5ErrorCollector collector = new ErrorCollector();6collector.addError(new Throwable("Error1"));7collector.addError(new Throwable("Error2"));8}9}10at org.junit.Assert.assertEquals(Assert.java:115)11at org.junit.Assert.assertEquals(Assert.java:144)12at org.assertj.core.api.ErrorCollector.verify(ErrorCollector.java:76)13at org.assertj.core.api.ErrorCollectorTest.testErrorCollector(ErrorCollectorTest.java:14)14at org.junit.Assert.fail(Assert.java:88)15at org.junit.Assert.assertTrue(Assert.java:41)16at org.junit.Assert.assertFalse(Assert.java:64)17at org.junit.Assert.assertFalse(Assert.java:74)18at org.assertj.core.api.ErrorCollector.verify(ErrorCollector.java:71)addError
Using AI Code Generation
1package org.example;2import org.assertj.core.api.ErrorCollector;3import org.testng.annotations.Test;4public class TestNGTest {5    public void test1() {6        ErrorCollector errorCollector = new ErrorCollector();7        errorCollector.addError(new Throwable("Error 1"));8        errorCollector.addError(new Throwable("Error 2"));9        errorCollector.addError(new Throwable("Error 3"));10        errorCollector.addError(new Throwable("Error 4"));11        errorCollector.addError(new Throwable("Error 5"));12        errorCollector.addError(new Throwable("Error 6"));13        errorCollector.addError(new Throwable("Error 7"));14        errorCollector.addError(new Throwable("Error 8"));15        errorCollector.addError(new Throwable("Error 9"));16        errorCollector.addError(new Throwable("Error 10"));17        errorCollector.addError(new Throwable("Error 11"));18        errorCollector.addError(new Throwable("Error 12"));19        errorCollector.addError(new Throwable("Error 13"));20        errorCollector.addError(new Throwable("Error 14"));21        errorCollector.addError(new Throwable("Error 15"));22        errorCollector.addError(new Throwable("Error 16"));23        errorCollector.addError(new Throwable("Error 17"));24        errorCollector.addError(new Throwable("Error 18"));25        errorCollector.addError(new Throwable("Error 19"));26        errorCollector.addError(new Throwable("Error 20"));27        errorCollector.addError(new Throwable("Error 21"));28        errorCollector.addError(new Throwable("Error 22"));29        errorCollector.addError(new Throwable("Error 23"));30        errorCollector.addError(new Throwable("Error 24"));31        errorCollector.addError(new Throwable("Error 25"));32        errorCollector.addError(new Throwable("Error 26"));33        errorCollector.addError(new Throwable("Error 27"));34        errorCollector.addError(new Throwable("Error 28"));35        errorCollector.addError(new Throwable("Error 29"));36        errorCollector.addError(new Throwable("Error 30"));37        errorCollector.addError(new Throwable("Error 31"));38        errorCollector.addError(new Throwable("Error 32"));39        errorCollector.addError(new Throwable("Error 33"));40        errorCollector.addError(new Throwable("Error 34"));41        errorCollector.addError(new Throwable("Error 35"));42        errorCollector.addError(new Throwable("Error 36"));43        errorCollector.addError(new Throwable("Error 37"));44        errorCollector.addError(new Throwable("ErroraddError
Using AI Code Generation
1package org.junittutorial;2import org.assertj.core.api.ErrorCollector;3import org.junit.Test;4public class ErrorCollectorTest {5    public void testErrorCollector() {6        ErrorCollector collector = new ErrorCollector();7        collector.addError(new Throwable("Error1"));8        collector.addError(new Throwable("Error2"));9        collector.addError(new Throwable("Error3"));10    }11}12package org.junittutorial;13import org.junit.Rule;14import org.junit.Test;15import org.junit.rules.ErrorCollector;16public class ErrorCollectorTest {17    public ErrorCollector collector = new ErrorCollector();18    public void testErrorCollector() {19        collector.addError(new Throwable("Error1"));20        collector.addError(new Throwable("Error2"));21        collector.addError(new Throwable("Error3"));22    }23}24expect(Class<? extends Throwable> exceptionClass)25expectMessage(String message)26expectMessage(Matcher<String> messageMatcher)27expectCause(Matcher<? extends Throwable> causeMatcher)28expectCause(Class<? extends Throwable> causeClass)29expectNoException()303.4.1. Using expect(Class<? extendsaddError
Using AI Code Generation
1import org.assertj.core.api.ErrorCollector;2import org.junit.Test;3public class TestErrorCollector {4    public void testErrorCollector() {5        ErrorCollector collector = new ErrorCollector();6        collector.addError(new Throwable("First error"));7        collector.addError(new Throwable("Second error"));8        collector.addError(new Throwable("Third error"));9        collector.checkThat(1, org.hamcrest.Matchers.equalTo(2));10        collector.checkThat(1, org.hamcrest.Matchers.equalTo(2));11        collector.checkThat(1, org.hamcrest.Matchers.equalTo(2));12    }13}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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!
