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How to use areEqualToComparingOnlyGivenFields method of org.assertj.core.internal.Objects class

Best Assertj code snippet using org.assertj.core.internal.Objects.areEqualToComparingOnlyGivenFields

Source:OnFieldsComparator.java

...34  }35  @Override36  protected boolean areEqual(Object actualElement, Object otherElement) {37    try {38      return Objects.instance().areEqualToComparingOnlyGivenFields(actualElement, otherElement, fields);39    } catch (IntrospectionError e) {40      return false;41    }42  }43  @Override44  public String toString() {45	if (fields.length == 1) return "single field comparator on field " + REPRESENTATION.toStringOf(fields[0]);46	return "field by field comparator on fields " + REPRESENTATION.toStringOf(fields);47  }48}...

areEqualToComparingOnlyGivenFields

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.assertThat;3public class AssertjTest {4    public void testAssertj() {5        Person person1 = new Person("John", "Doe");6        Person person2 = new Person("John", "Doe");7        assertThat(person1).isEqualToComparingOnlyGivenFields(person2, "firstName");8    }9}10class Person {11    private String firstName;12    private String lastName;13    public Person(String firstName, String lastName) {14        this.firstName = firstName;15        this.lastName = lastName;16    }17    public String getFirstName() {18        return firstName;19    }20    public String getLastName() {21        return lastName;22    }23}

areEqualToComparingOnlyGivenFields

Using AI Code Generation

1public void given2Objects_whenTheyAreEqualExceptForGivenFields_thenCorrect() {2    Person actual = new Person("John", "Doe", 30);3    Person other = new Person("John", "Smith", 30);4    assertThat(actual).usingComparatorForFields(new PersonNameComparator(), "lastName")5      .isEqualToComparingOnlyGivenFields(other, "firstName", "age");6}7public void given2Objects_whenTheyAreNotEqualExceptForGivenFields_thenCorrect() {8    Person actual = new Person("John", "Doe", 30);9    Person other = new Person("John", "Smith", 30);10    assertThat(actual).usingComparatorForFields(new PersonNameComparator(), "lastName")11      .isNotEqualToComparingOnlyGivenFields(other, "firstName", "age");12}13public void given2Objects_whenTheyAreEqualExceptForGivenFieldsAndIgnoredFields_thenCorrect() {14    Person actual = new Person("John", "Doe", 30);15    Person other = new Person("John", "Smith", 30);16    assertThat(actual).usingComparatorForFields(new PersonNameComparator(), "lastName")17      .isEqualToComparingOnlyGivenFields(other, "firstName", "age")18      .ignoringFields("id");19}20public void given2Objects_whenTheyAreEqualExceptForGivenFieldsAndIgnoredFieldsWithRegex_thenCorrect() {21    Person actual = new Person("John", "Doe", 30);22    Person other = new Person("John", "Smith", 30);23    assertThat(actual).usingComparatorForFields(new PersonNameComparator(), "lastName")24      .isEqualToComparingOnlyGivenFields(other, "firstName", "age")25      .ignoringFieldsMatchingRegexes(".*ame");26}27public void given2Objects_whenTheyAreEqualExceptForGivenFieldsAndIgnoredFieldsWithPaths_thenCorrect() {28    Person actual = new Person("John", "Doe", 30);29    Person other = new Person("John", "Smith", 30);30    assertThat(actual).usingComparatorForFields(new PersonNameComparator(), "lastName")31      .isEqualToComparingOnlyGivenFields(other, "firstName", "age")32      .ignoringFields("id", "address.id");33}34public void given2Objects_whenTheyAreEqualExceptForGivenFieldsAndIgnoredFieldsWithPathsAndRegex_thenCorrect() {

areEqualToComparingOnlyGivenFields

Using AI Code Generation

1Objects objects = new Objects();2Person person1 = new Person("John", "Doe", 30);3Person person2 = new Person("John", "Doe", 30);4Person person3 = new Person("John", "Doe", 31);5Person person4 = new Person("John", "Doe", 31);6Person person5 = new Person("John", "Doe", 31);7Person person6 = new Person("Jane", "Doe", 31);8Person person7 = new Person("Jane", "Doe", 31);9Person person8 = new Person("Jane", "Doe", 31);10Person person9 = new Person("Jane", "Doe", 31);11Person person10 = new Person("Jane", "Doe", 31);12Person person11 = new Person("Jane", "Doe", 31);13Person person12 = new Person("Jane", "Doe", 31);14Person person13 = new Person("Jane", "Doe", 31);15Person person14 = new Person("Jane", "Doe", 31);16Person person15 = new Person("Jane", "Doe", 31);17Person person16 = new Person("Jane", "Doe", 31);18Person person17 = new Person("Jane", "Doe", 31);19Person person18 = new Person("Jane", "Doe", 31);20Person person19 = new Person("Jane", "Doe", 31);

areEqualToComparingOnlyGivenFields

Using AI Code Generation

1import java.lang.reflect.Field;2import java.lang.reflect.Modifier;3import java.util.*;4import java.util.stream.Collectors;5import org.assertj.core.internal.Objects;6public class MyComparator implements Comparator<Object> {7    private final Map<String, Comparator<?>> comparatorsByField = new HashMap<>();8    private final Map<String, List<String>> fieldsByClass = new HashMap<>();9    public MyComparator() {10        this.fieldsByClass.put("com.mycompany.MyObject", Arrays.asList("id", "name"));11    }12    public MyComparator addComparator(String className, String fieldName, Comparator<?> comparator) {13        this.comparatorsByField.put(className + "#" + fieldName, comparator);14        return this;15    }16    public int compare(Object o1, Object o2) {17        if (o1 == o2) {18            return 0;19        }20        if (o1 == null) {21            return -1;22        }23        if (o2 == null) {24            return 1;25        }26        if (o1.getClass() != o2.getClass()) {27            throw new ClassCastException();28        }29        Objects objects = new Objects();30        Class<?> clazz = o1.getClass();31        List<String> fields = fieldsByClass.get(clazz.getName());32        if (fields == null) {33            fields = Arrays.stream(clazz.getDeclaredFields())34                    .filter(field -> !Modifier.isStatic(field.getModifiers()))35                    .map(Field::getName)36                    .collect(Collectors.toList());37        }38        for (String field : fields) {39            Comparator<?> comparator = comparatorsByField.get(clazz.getName() + "#" + field);40            if (comparator == null) {41                comparator = Comparator.naturalOrder();42            }43            int result = comparator.compare(objects.getFieldValue(o1, field, false), objects.getFieldValue(o2, field, false));44            if (result != 0) {45                return result;46            }47        }48        return 0;49    }50}

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