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How to use headingFrom method of org.assertj.core.error.AssertionErrorCreator class

Best Assertj code snippet using org.assertj.core.error.AssertionErrorCreator.headingFrom

Source:AssertionErrorCreator.java

...77    Optional<AssertionError> multipleFailuresError = tryBuildingMultipleFailuresError(errors);78    return multipleFailuresError.orElse(new SoftAssertionError(describeErrors(errors)));79  }80  public AssertionError multipleAssertionsError(Description description, List<? extends AssertionError> errors) {81    String heading = headingFrom(description);82    Optional<AssertionError> multipleFailuresError = tryBuildingMultipleFailuresError(heading, errors);83    return multipleFailuresError.orElse(new MultipleAssertionsError(description, errors));84  }85  public void tryThrowingMultipleFailuresError(List<? extends Throwable> errorsCollected) {86    tryBuildingMultipleFailuresError(errorsCollected).ifPresent(AssertionErrorCreator::throwError);87  }88  // syntactic sugar89  private static void throwError(AssertionError error) {90    throw error;91  }92  private static String headingFrom(Description description) {93    return description == null ? null : DescriptionFormatter.instance().format(description);94  }95  private Optional<AssertionError> tryBuildingMultipleFailuresError(List<? extends Throwable> errorsCollected) {96    return tryBuildingMultipleFailuresError(null, errorsCollected);97  }98  private Optional<AssertionError> tryBuildingMultipleFailuresError(String heading,99                                                                    List<? extends Throwable> errorsCollected) {100    if (errorsCollected.isEmpty()) return Optional.empty();101    try {102      Object[] constructorArguments = array(heading, errorsCollected);103      Object multipleFailuresError = constructorInvoker.newInstance("org.opentest4j.MultipleFailuresError",104                                                                    MULTIPLE_FAILURES_ERROR_ARGUMENT_TYPES,105                                                                    constructorArguments);106      if (multipleFailuresError instanceof AssertionError) { // means that we were able to build a MultipleFailuresError...

headingFrom

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.AssertionErrorCreator;3import org.assertj.core.error.BasicErrorMessageFactory;4import org.assertj.core.error.ErrorMessageFactory;5import org.assertj.core.error.ShouldHaveSameSizeAs;6import org.assertj.core.error.ShouldStartWith;7import org.assertj.core.internal.ComparisonStrategy;8import org.assertj.core.internal.StandardComparisonStrategy;9import org.assertj.core.util.VisibleForTesting;10import java.util.List;11public class AssertionErrorCreatorTest {12    public static void main(String[] args) {13        String actual = "actual";14        String expected = "expected";15        AssertionErrorCreator creator = new AssertionErrorCreator();16        ErrorMessageFactory factory = new ShouldStartWith(actual, expected);17        AssertionError error = creator.create(factory);18        System.out.println(error.getMessage());19        factory = new ShouldHaveSameSizeAs(actual, expected, 5, 6);20        error = creator.create(factory);21        System.out.println(error.getMessage());22        ComparisonStrategy strategy = StandardComparisonStrategy.instance();23        factory = new BasicErrorMessageFactory("%nExpecting:%n  %s%nnot to be equal to:%n  %s%nwhen comparing values using %s", actual, expected, strategy);24        error = creator.create(factory);25        System.out.println(error.getMessage());26        List<String> list = List.of("a", "b", "c");27        factory = new ShouldHaveSameSizeAs(list, 3, 4);28        error = creator.create(factory);29        System.out.println(error.getMessage());30        factory = new ShouldHaveSameSizeAs(list, 3, 4);31        error = creator.create(factory, new AssertionError("my error"));32        System.out.println(error.getMessage());33    }34}

headingFrom

Using AI Code Generation

1org.assertj.core.error.AssertionErrorCreator headingFrom(String format, Object... args) {2        return new AssertionErrorCreator(format, args);3    }4org.assertj.core.error.AssertionErrorCreator messageFrom(String format, Object... args) {5        return new AssertionErrorCreator(format, args);6    }7org.assertj.core.error.AssertionErrorCreator shouldHaveSize(Object actual, int actualSize, int expectedSize) {8        return new AssertionErrorCreator("%nExpecting size:%n <%s>%nto be:%n <%s>%nbut was:%n <%s>%n", actual, expectedSize, actualSize);9    }10org.assertj.core.error.AssertionErrorCreator shouldHaveSize(Object actual, int actualSize, int expectedSize, Condition<?> condition) {11        return new AssertionErrorCreator("%nExpecting size:%n <%s>%nto be:%n <%s>%nbut was:%n <%s>%nwhen condition:%n <%s>%nis met", actual, expectedSize, actualSize, condition);12    }13org.assertj.core.error.AssertionErrorCreator shouldHaveSize(Object actual, int actualSize, int expectedSize, String description) {14        return new AssertionErrorCreator("%nExpecting size:%n <%s>%nto be:%n <%s>%nbut was:%n <%s>%nwhen %s", actual, expectedSize, actualSize, description);15    }16org.assertj.core.error.AssertionErrorCreator shouldHaveSizeGreaterThan(Object actual, int actualSize, int expectedSize) {17        return new AssertionErrorCreator("%nExpecting size:%n <%s>%nto be greater than:%n <%s>%nbut was:%n <%s>%n", actual, expectedSize, actualSize);18    }

headingFrom

Using AI Code Generation

1public class AssertionErrorCreatorTest {2    public void testHeadingFrom() {3        String heading = "Heading";4        String message = "Message";5        AssertionError assertionError = AssertionErrorCreator.headingFrom(heading, message);6        assertEquals(heading + "7" + message, assertionError.getMessage());8    }9}10	at org.junit.Assert.assertEquals(Assert.java:115)11	at org.junit.Assert.assertEquals(Assert.java:144)12	at AssertionErrorCreatorTest.testHeadingFrom(AssertionErrorCreatorTest.java:21)13public class AssertionErrorCreatorTest {14    public void testHeadingFrom() {15        String heading = "Heading";16        String message = "Message";17        AssertionError assertionError = AssertionErrorCreator.headingFrom(heading, message);18        assertEquals(String.format("%s%n%s", heading, message), assertionError.getMessage());19    }20}21	at org.junit.Assert.assertEquals(Assert.java:115)22	at org.junit.Assert.assertEquals(Assert.java:144)23	at AssertionErrorCreatorTest.testHeadingFrom(AssertionErrorCreatorTest.java:21)24public class AssertionErrorCreatorTest {

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