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

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

Source:Objects.java

...508   * @throws IntrospectionError if a field does not exist in actual.509   */510  public <A> void assertIsEqualToComparingOnlyGivenFields(AssertionInfo info, A actual, A other, String... fields) {511    assertNotNull(info, actual);512    ByFieldsComparison byFieldsComparison = isEqualToComparingOnlyGivenFields(actual, other, fields);513    if (byFieldsComparison.isFieldsNamesNotEmpty())514      throw failures.failure(info, shouldBeEqualComparingOnlyGivenFields(actual, byFieldsComparison.fieldsNames,515                                                                         byFieldsComparison.rejectedValues,516                                                                         byFieldsComparison.expectedValues,517                                                                         newArrayList(fields)));518  }519  private <A> ByFieldsComparison isEqualToComparingOnlyGivenFields(A actual, A other, String[] fields) {520    List<String> rejectedFieldsNames = new LinkedList<>();521    List<Object> expectedValues = new LinkedList<>();522    List<Object> rejectedValues = new LinkedList<>();523    for (String fieldName : fields) {524      Object actualFieldValue = getPropertyOrFieldValue(actual, fieldName);525      Object otherFieldValue = getPropertyOrFieldValue(other, fieldName);526      if (!org.assertj.core.util.Objects.areEqual(actualFieldValue, otherFieldValue)) {527        rejectedFieldsNames.add(fieldName);528        expectedValues.add(otherFieldValue);529        rejectedValues.add(actualFieldValue);530      }531    }532    return new ByFieldsComparison(rejectedFieldsNames, expectedValues, rejectedValues);533  }534  /**535   * Assert that the given object is lenient equals to the other by comparing all fields (including inherited fields)536   * unless given ignored ones.537   *538   * @param info contains information about the assertion.539   * @param actual the given object.540   * @param other the object to compare {@code actual} to.541   * @param fields the fields to ignore in comparison542   * @throws NullPointerException if the other type is {@code null}.543   * @throws AssertionError if actual is {@code null}.544   * @throws AssertionError if the actual and the given object are not lenient equals.545   * @throws AssertionError if the other object is not an instance of the actual type.546   */547  public <A> void assertIsEqualToIgnoringGivenFields(AssertionInfo info, A actual, A other, String... fields) {548    assertNotNull(info, actual);549    ByFieldsComparison byFieldsComparison = isEqualToIgnoringGivenFields(actual, other, fields);550    if (byFieldsComparison.isFieldsNamesNotEmpty())551      throw failures.failure(info, shouldBeEqualToIgnoringGivenFields(actual, byFieldsComparison.fieldsNames,552                                                                      byFieldsComparison.rejectedValues,553                                                                      byFieldsComparison.expectedValues,554                                                                      newArrayList(fields)));555  }556  private <A> ByFieldsComparison isEqualToIgnoringGivenFields(A actual, A other, String[] givenIgnoredFields) {557    Set<Field> declaredFieldsIncludingInherited = getDeclaredFieldsIncludingInherited(actual.getClass());558    List<String> fieldsNames = new LinkedList<>();559    List<Object> expectedValues = new LinkedList<>();560    List<Object> rejectedValues = new LinkedList<>();561    Set<String> ignoredFields = newLinkedHashSet(givenIgnoredFields);562    for (Field field : declaredFieldsIncludingInherited) {563      // ignore private field if user has decided not to use them in comparison564      if (ignoredFields.contains(field.getName()) || !canReadFieldValue(field, actual)) {565        continue;566      }567      Object actualFieldValue = getPropertyOrFieldValue(actual, field.getName());568      Object otherFieldValue = getPropertyOrFieldValue(other, field.getName());569      if (!org.assertj.core.util.Objects.areEqual(actualFieldValue, otherFieldValue)) {570        fieldsNames.add(field.getName());571        rejectedValues.add(actualFieldValue);572        expectedValues.add(otherFieldValue);573      }574    }575    return new ByFieldsComparison(fieldsNames, expectedValues, rejectedValues);576  }577  private <A> boolean canReadFieldValue(Field field, A actual) {578    return fieldSupport.isAllowedToRead(field) || propertySupport.publicGetterExistsFor(field.getName(), actual);579  }580  /**581   * Get property value first and in case of error try field value.582   * <p>583   * This method supports nested field/property (e.g. "address.street.number").584   *585   * @param a the object to get field value from586   * @param fieldName Field name to read, can be nested587   * @return (nested) field value or property value if field was not accessible.588   * @throws IntrospectionError is field value can't get retrieved.589   */590  private <A> Object getPropertyOrFieldValue(A a, String fieldName) {591    return PropertyOrFieldSupport.COMPARISON.getValueOf(fieldName, a);592  }593  /**594   * Returns the declared fields of given class and its superclasses stopping at superclass in <code>java.lang</code>595   * package whose fields are not included.596   *597   * @param clazz the class we want the declared fields.598   * @return the declared fields of given class and its superclasses.599   */600  private static Set<Field> getDeclaredFieldsIncludingInherited(Class<?> clazz) {601    checkNotNull(clazz, "expecting Class parameter not to be null");602    Set<Field> declaredFields = newLinkedHashSet(clazz.getDeclaredFields());603    // get fields declared in superclass604    Class<?> superclazz = clazz.getSuperclass();605    while (superclazz != null && !superclazz.getName().startsWith("java.lang")) {606      declaredFields.addAll(newLinkedHashSet(superclazz.getDeclaredFields()));607      superclazz = superclazz.getSuperclass();608    }609    return declaredFields;610  }611  public boolean areEqualToIgnoringGivenFields(Object actual, Object other, String... fields) {612    return isEqualToIgnoringGivenFields(actual, other, fields).isFieldsNamesEmpty();613  }614  public boolean areEqualToComparingOnlyGivenFields(Object actual, Object other, String... fields) {615    return isEqualToComparingOnlyGivenFields(actual, other, fields).isFieldsNamesEmpty();616  }617  public <A> void assertHasFieldOrProperty(AssertionInfo info, A actual, String name) {618    assertNotNull(info, actual);619    try {620      extractPropertyOrField(actual, name);621    } catch (IntrospectionError error) {622      throw failures.failure(info, shouldHavePropertyOrField(actual, name));623    }624  }625  public <A> void assertHasFieldOrPropertyWithValue(AssertionInfo info, A actual, String name, Object expectedValue) {626    assertHasFieldOrProperty(info, actual, name);627    Object value = extractPropertyOrField(actual, name);628    if (!org.assertj.core.util.Objects.areEqual(value, expectedValue))629      throw failures.failure(info, shouldHavePropertyOrFieldWithValue(actual, name, expectedValue, value));630  }631  private <A> Object extractPropertyOrField(A actual, String name) {632    return PropertyOrFieldSupport.EXTRACTION.getValueOf(name, actual);633  }634  public static class ByFieldsComparison {635    private final List<String> fieldsNames;636    private final List<Object> expectedValues;637    private final List<Object> rejectedValues;638    public ByFieldsComparison(final List<String> fieldsNames,639                              final List<Object> expectedValues,640                              final List<Object> rejectedValues) {641      this.fieldsNames = fieldsNames;642      this.expectedValues = expectedValues;643      this.rejectedValues = rejectedValues;644    }645    public ByFieldsComparison() {646      this(new ArrayList<String>(), new ArrayList<>(), new ArrayList<>());647    }648    public boolean isFieldsNamesEmpty() {649      return fieldsNames.isEmpty();650    }651    public boolean isFieldsNamesNotEmpty() {652      return !isFieldsNamesEmpty();653    }654  }655}...

ByFieldsComparison

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Objects;3import org.junit.Test;4public class ObjectsByFieldsComparisonTest {5    public void test() {6        Objects objects = Objects.instance();7        Employee employee1 = new Employee("John", "Doe", 25);8        Employee employee2 = new Employee("John", "Doe", 25);9        objects.assertIsEqualToComparingFieldByFieldRecursively(Assertions.assertThat(employee1), employee2);10    }11    static class Employee {12        private String firstName;13        private String lastName;14        private int age;15        public Employee(String firstName, String lastName, int age) {16            this.firstName = firstName;17            this.lastName = lastName;18            this.age = age;19        }20        public String getFirstName() {21            return firstName;22        }23        public String getLastName() {24            return lastName;25        }26        public int getAge() {27            return age;28        }29    }30}31at org.assertj.core.internal.Objects.assertIsEqualToComparingFieldByFieldRecursively(Objects.java:206)

ByFieldsComparison

Using AI Code Generation

1public void shouldCompareTwoObjectsByFields() {2    Person person1 = new Person("John", "Doe", 25);3    Person person2 = new Person("John", "Doe", 25);4    assertThat(person1).usingComparatorForFields((p1, p2) -> {5        assertThat(p1).hasNoNullFieldsOrProperties();6        assertThat(p2).hasNoNullFieldsOrProperties();7        return Integer.compare(p1.getAge(), p2.getAge());8    }, "age").isEqualTo(person2);9}10public class Person {11    private final String firstName;12    private final String lastName;13    private final int age;14    public Person(String firstName, String lastName, int age) {15        this.firstName = firstName;16        this.lastName = lastName;17        this.age = age;18    }19    public String getFirstName() {20        return firstName;21    }22    public String getLastName() {23        return lastName;24    }25    public int getAge() {26        return age;27    }28}29public class Person {30    private final String firstName;31    private final String lastName;32    private final int age;33    public Person(String firstName, String lastName, int age) {34        this.firstName = firstName;35        this.lastName = lastName;36        this.age = age;37    }38    public String getFirstName() {39        return firstName;40    }41    public String getLastName() {42        return lastName;43    }44    public int getAge() {45        return age;46    }47}

ByFieldsComparison

Using AI Code Generation

1public void testByFieldsComparison() {2  Objects objects = new Objects();3  assertThat(objects.areEqualByComparingFields(actual, expected)).isFalse();4}5public void testByFieldsComparison() {6  Objects objects = new Objects();7  assertThat(objects.areEqualByComparingFields(actual, expected)).isFalse();8}9public void testByFieldsComparison() {10  Objects objects = new Objects();11  assertThat(objects.areEqualByComparingFields(actual, expected)).isFalse();12}13public void testByFieldsComparison() {14  Objects objects = new Objects();15  assertThat(objects.areEqualByComparingFields(actual, expected)).isFalse();16}17public void testByFieldsComparison() {18  Objects objects = new Objects();19  assertThat(objects.areEqualByComparingFields(actual, expected)).isFalse();20}21public void testByFieldsComparison() {22  Objects objects = new Objects();23  assertThat(objects.areEqualByComparingFields(actual, expected)).isFalse();24}25public void testByFieldsComparison() {26  Objects objects = new Objects();27  assertThat(objects.areEqualByComparingFields(actual, expected)).isFalse();28}29public void testByFieldsComparison() {30  Objects objects = new Objects();31  assertThat(objects.areEqualByComparingFields(actual, expected)).isFalse();32}33public void testByFieldsComparison() {

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