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How to use comparison method of org.assertj.core.util.introspection.FieldSupport class

Best Assertj code snippet using org.assertj.core.util.introspection.FieldSupport.comparison

Source:PropertyOrFieldSupport.java

1/*2 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with3 * the License. You may obtain a copy of the License at4 *5 * http://www.apache.org/licenses/LICENSE-2.06 *7 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on8 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the9 * specific language governing permissions and limitations under the License.10 *11 * Copyright 2012-2022 the original author or authors.12 */13package org.assertj.core.util.introspection;14import static java.lang.String.format;15import static org.assertj.core.util.Preconditions.checkArgument;16import java.util.Map;17import java.util.Optional;18import org.assertj.core.util.VisibleForTesting;19public class PropertyOrFieldSupport {20  private static final String SEPARATOR = ".";21  private PropertySupport propertySupport;22  private FieldSupport fieldSupport;23  public static final PropertyOrFieldSupport EXTRACTION = new PropertyOrFieldSupport();24  public static final PropertyOrFieldSupport COMPARISON = new PropertyOrFieldSupport(PropertySupport.instance(),25                                                                                     FieldSupport.COMPARISON);26  PropertyOrFieldSupport() {27    this.propertySupport = PropertySupport.instance();28    this.fieldSupport = FieldSupport.extraction();29  }30  @VisibleForTesting31  PropertyOrFieldSupport(PropertySupport propertySupport, FieldSupport fieldSupport) {32    this.propertySupport = propertySupport;33    this.fieldSupport = fieldSupport;34  }35  public void setAllowUsingPrivateFields(boolean allowUsingPrivateFields) {36    fieldSupport.setAllowUsingPrivateFields(allowUsingPrivateFields);37  }38  public Object getValueOf(String propertyOrFieldName, Object input) {39    checkArgument(propertyOrFieldName != null, "The name of the property/field to read should not be null");40    checkArgument(!propertyOrFieldName.isEmpty(), "The name of the property/field to read should not be empty");41    checkArgument(input != null, "The object to extract property/field from should not be null");42    if (isNested(propertyOrFieldName)) {43      String firstPropertyName = popNameFrom(propertyOrFieldName);44      Object propertyOrFieldValue = getSimpleValue(firstPropertyName, input);45      // when one of the intermediate nested property/field value is null, return null46      if (propertyOrFieldValue == null) return null;47      // extract next sub-property/field value until reaching the last sub-property/field48      return getValueOf(nextNameFrom(propertyOrFieldName), propertyOrFieldValue);49    }50    return getSimpleValue(propertyOrFieldName, input);51  }52  @SuppressWarnings({ "unchecked", "rawtypes" })53  public Object getSimpleValue(String name, Object input) {54    // if input is an optional and name is "value", let's get the optional value directly55    if (input instanceof Optional && name.equals("value")) return ((Optional) input).orElse(null);56    try {57      // try to get name as a property58      return propertySupport.propertyValueOf(name, Object.class, input);59    } catch (IntrospectionError propertyIntrospectionError) {60      // try to get name as a field61      try {62        return fieldSupport.fieldValue(name, Object.class, input);63      } catch (IntrospectionError fieldIntrospectionError) {64        // if input is a map, try to use the name value as a map key65        if (input instanceof Map) {66          Map<?, ?> map = (Map<?, ?>) input;67          if (map.containsKey(name)) return map.get(name);68        }69        // no value found with given name, it is considered as an error70        String message = format("%nCan't find any field or property with name '%s'.%n" +71                                "Error when introspecting properties was :%n" +72                                "- %s %n" +73                                "Error when introspecting fields was :%n" +74                                "- %s",75                                name, propertyIntrospectionError.getMessage(),76                                fieldIntrospectionError.getMessage());77        throw new IntrospectionError(message, fieldIntrospectionError);78      }79    }80  }81  private String popNameFrom(String propertyOrFieldNameChain) {82    if (!isNested(propertyOrFieldNameChain)) return propertyOrFieldNameChain;83    return propertyOrFieldNameChain.substring(0, propertyOrFieldNameChain.indexOf(SEPARATOR));84  }85  private String nextNameFrom(String propertyOrFieldNameChain) {86    if (!isNested(propertyOrFieldNameChain)) return "";87    return propertyOrFieldNameChain.substring(propertyOrFieldNameChain.indexOf(SEPARATOR) + 1);88  }89  private boolean isNested(String propertyOrFieldName) {90    return propertyOrFieldName.contains(SEPARATOR)91           && !propertyOrFieldName.startsWith(SEPARATOR)92           && !propertyOrFieldName.endsWith(SEPARATOR);93  }94}...

Source:EnhancedObjectAssert.java

...31  Failures failures = Failures.instance();32  @VisibleForTesting33  final PropertySupport propertySupport = PropertySupport.instance();34  @VisibleForTesting35  private final FieldSupport fieldSupport = FieldSupport.comparison();36  private Map<String, Comparator<?>> comparatorByPropertyOrField = new TreeMap<>();37  private TypeComparators comparatorByType = defaultTypeComparators();38  public SELF isEqualToIgnoringNullFieldsAndGivenFields(Object other, String... propertiesOrFieldsToIgnore) {39    objects.assertNotNull(info, actual);40    List<String> fieldsNames = new LinkedList<>();41    List<Object> rejectedValues = new LinkedList<>();42    List<Object> expectedValues = new LinkedList<>();43    List<String> nullFields = new LinkedList<>();44    for (Field field : getDeclaredFieldsIncludingInherited(actual.getClass())) {45      if (!canReadFieldValue(field, actual)) continue;46      String fieldName = field.getName();47      Object otherFieldValue = getPropertyOrFieldValue(other, fieldName);48      if (otherFieldValue == null) {49        nullFields.add(fieldName);50      } else {51        Object actualFieldValue = getPropertyOrFieldValue(actual, fieldName);52        if (!propertyOrFieldValuesAreEqual(actualFieldValue, otherFieldValue, fieldName,53            comparatorByPropertyOrField, comparatorByType)) {54          fieldsNames.add(fieldName);55          rejectedValues.add(actualFieldValue);56          expectedValues.add(otherFieldValue);57        }58      }59    }60    Set<String> ignoredFields = newLinkedHashSet(propertiesOrFieldsToIgnore);61    ignoredFields.addAll(nullFields);62    if (!fieldsNames.isEmpty())63      throw failures.failure(info, shouldBeEqualToIgnoringGivenFields(actual, fieldsNames,64          rejectedValues, expectedValues, new LinkedList<>(ignoredFields)));65    return myself;66  }67  //------------------------------------------------------------68  private <A> boolean canReadFieldValue(Field field, A actual) {69    return fieldSupport.isAllowedToRead(field) || propertySupport.publicGetterExistsFor(field.getName(), actual);70  }71  private <A> Object getPropertyOrFieldValue(A a, String fieldName) {72    return PropertyOrFieldSupport.COMPARISON.getValueOf(fieldName, a);73  }74  static boolean propertyOrFieldValuesAreEqual(Object actualFieldValue, Object otherFieldValue, String fieldName,75                                               Map<String, Comparator<?>> comparatorByPropertyOrField,76                                               TypeComparators comparatorByType) {77    // no need to look into comparators if objects are the same78    if (actualFieldValue == otherFieldValue) return true;79    // check field comparators as they take precedence over type comparators80    Comparator fieldComparator = comparatorByPropertyOrField.get(fieldName);81    if (fieldComparator != null) return fieldComparator.compare(actualFieldValue, otherFieldValue) == 0;82    // check if a type comparators exist for the field type83    Class fieldType = actualFieldValue != null ? actualFieldValue.getClass() : otherFieldValue.getClass();84    Comparator typeComparator = comparatorByType.get(fieldType);85    if (typeComparator != null) return typeComparator.compare(actualFieldValue, otherFieldValue) == 0;86    // default comparison using equals87    return org.assertj.core.util.Objects.areEqual(actualFieldValue, otherFieldValue);88  }89}...

comparison

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2import org.assertj.core.util.introspection.IntrospectionError;3import org.assertj.core.util.introspection.IntrospectionError;4import org.assertj.core.util.introspection.IntrospectionError;5public class Test {6    public static void main(String[] args) throws Exception {7        Person person1 = new Person("John", "Doe");8        Person person2 = new Person("John", "Doe");9        Person person3 = new Person("Jane", "Doe");10        boolean result = FieldSupport.comparison().areEqual(person1, person2);11        System.out.println(result);12        result = FieldSupport.comparison().areEqual(person1, person3);13        System.out.println(result);14    }15}16public class Person {17    private String firstName;18    private String lastName;19    public Person(String firstName, String lastName) {20        this.firstName = firstName;21        this.lastName = lastName;22    }23    public String getFirstName() {24        return firstName;25    }26    public void setFirstName(String firstName) {27        this.firstName = firstName;28    }29    public String getLastName() {30        return lastName;31    }32    public void setLastName(String lastName) {33        this.lastName = lastName;34    }35}

comparison

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2public class Main {3    public static void main(String[] args) {4        FieldSupport fieldSupport = new FieldSupport();5        System.out.println(fieldSupport.areEqual("Hello", "Hello"));6    }7}8import org.assertj.core.util.introspection.PropertySupport;9public class Main {10    public static void main(String[] args) {11        PropertySupport propertySupport = new PropertySupport();12        System.out.println(propertySupport.areEqual("Hello", "Hello"));13    }14}15import org.assertj.core.util.introspection.IntrospectionError;16public class Main {17    public static void main(String[] args) {18        IntrospectionError introspectionError = new IntrospectionError();19        System.out.println(introspectionError);20    }21}22import org.assertj.core.util.introspection.IntrospectionError;23public class Main {24    public static void main(String[] args) {25        IntrospectionError introspectionError = new IntrospectionError();26        System.out.println(introspectionError.getMessage());27    }28}29import org.assertj.core.util.introspection.IntrospectionError;30public class Main {31    public static void main(String[] args) {32        IntrospectionError introspectionError = new IntrospectionError();33        System.out.println(introspectionError.getCause());34    }35}36import org.assertj.core.util.introspection.IntrospectionError;37public class Main {38    public static void main(String[] args) {39        IntrospectionError introspectionError = new IntrospectionError();40        System.out.println(introspectionError.getStackTrace());41    }42}43import org.assertj.core.util.introspection.IntrospectionError;

comparison

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2public class Test {3   public static void main(String[] args) {4      FieldSupport fieldSupport = new FieldSupport();5      System.out.println(fieldSupport.areEqual(1, 1));6   }7}8Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method9Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example10Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 211Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 312Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 413Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 514Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 615Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 716Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 817Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 918Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 1019Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 1120Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 1221Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 1322Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 1423Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 1524Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 1625Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 1726Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 1827Java - org.assertj.core.util.introspection.FieldSupport - areEqual() Method - Example 1928Java - org.assertj.core.util.introspection.FieldSupport - areEqual()

comparison

Using AI Code Generation

1public class 1 {2    public static void main(String[] args) {3        FieldSupport fieldSupport = new FieldSupport();4        System.out.println(fieldSupport.areEqual("test", "test"));5    }6}

comparison

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2import org.assertj.core.util.introspection.IntrospectionError;3public class CompareObjectsUsingFieldSupport {4    public static void main(String[] args) {5        MyObject obj1 = new MyObject();6        MyObject obj2 = new MyObject();7        obj1.setA(1);8        obj1.setB("b");9        obj2.setA(1);10        obj2.setB("b");11        try {12            System.out.println(FieldSupport.comparison().areEqual(obj1, obj2));13        } catch (IntrospectionError e) {14            System.out.println(e);15        }16    }17}18class MyObject {19    private int a;20    private String b;21    public int getA() {22        return a;23    }24    public void setA(int a) {25        this.a = a;26    }27    public String getB() {28        return b;29    }30    public void setB(String b) {31        this.b = b;32    }33}

comparison

Using AI Code Generation

1public class CompareObjects {2    public static void main(String[] args) {3        Person p1 = new Person("John", "Doe");4        Person p2 = new Person("John", "Doe");5        boolean result = FieldSupport.comparison().areEqual(p1, p2);6        System.out.println(result);7    }8}9public class Person {10    private String firstName;11    private String lastName;12    public Person(String firstName, String lastName) {13        this.firstName = firstName;14        this.lastName = lastName;15    }16    public String getFirstName() {17        return firstName;18    }19    public String getLastName() {20        return lastName;21    }22}23Java String equals() Method24Java Object equals() Method25Java Object hashCode() Method26Java String hashCode() Method27Java Object clone() Method28Java Object toString() Method29Java Object finalize() Method30Java Object wait() Method31Java Object notify() Method32Java Object notifyAll() Method33Java Object getClass() Method34Java Object wait(long) Method35Java Object wait(long, int) Method36Java Object equals(Object) Method37Java Object clone() throws CloneNotSupportedException Method38Java Object toString() Method39Java Object hashCode() Method40Java Object wait() throws InterruptedException Method41Java Object wait(long) throws InterruptedException Method42Java Object wait(long, int) throws InterruptedException Method43Java Object notify() Method44Java Object notifyAll() Method45Java Object finalize() throws Throwable Method46Java Object getClass() Method47Java Object equals(Object) Method48Java Object hashCode() Method49Java Object clone() throws CloneNotSupportedException Method50Java Object toString() Method51Java Object wait() throws InterruptedException Method52Java Object wait(long) throws InterruptedException Method53Java Object wait(long, int) throws InterruptedException Method54Java Object notify() Method55Java Object notifyAll() Method56Java Object finalize() throws Throwable Method57Java Object getClass() Method58Java Object equals(Object) Method59Java Object hashCode() Method60Java Object clone() throws CloneNotSupportedException Method61Java Object toString() Method62Java Object wait() throws InterruptedException Method63Java Object wait(long) throws InterruptedException Method64Java Object wait(long, int) throws InterruptedException Method65Java Object notify() Method66Java Object notifyAll() Method67Java Object finalize() throws Throwable Method68Java Object getClass() Method69Java Object equals(Object) Method70Java Object hashCode() Method

comparison

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2import java.util.Date;3import java.util.Calendar;4import java.util.GregorianCalendar;5import java.util.TimeZone;6public class 1 {7    public static void main(String[] args) {8        Calendar calendar1 = new GregorianCalendar(2016, 0, 1, 10, 0, 0);9        calendar1.setTimeZone(TimeZone.getTimeZone("UTC"));10        Date date1 = calendar1.getTime();11        Calendar calendar2 = new GregorianCalendar(2016, 0, 1, 10, 0, 0);12        calendar2.setTimeZone(TimeZone.getTimeZone("UTC"));13        Date date2 = calendar2.getTime();14        boolean areEqual = FieldSupport.comparison().areEqual(date1, date2);15        System.out.println("The dates are " + (areEqual ? "equal." : "not equal."));16    }17}

comparison

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2public class Main {3    public static void main(String[] args) {4        Foo foo = new Foo();5        foo.bar = "Hello, World!";6        System.out.println(FieldSupport.comparison().get("bar", foo));7    }8}9import org.assertj.core.util.introspection.FieldSupport;10public class Main {11    public static void main(String[] args) {12        Foo foo = new Foo();13        foo.bar = "Hello, World!";14        System.out.println(FieldSupport.comparison().get("bar", foo));15    }16}17import org.assertj.core.util.introspection.FieldSupport;18public class Main {19    public static void main(String[] args) {20        Foo foo = new Foo();21        foo.bar = "Hello, World!";22        System.out.println(FieldSupport.comparison().get("bar", foo));23    }24}25import org.assertj.core.util.introspection.FieldSupport;26public class Main {27    public static void main(String[] args) {28        Foo foo = new Foo();29        foo.bar = "Hello, World!";30        System.out.println(FieldSupport.comparison().get("bar", foo));31    }32}33import org.assertj.core.util.introspection.FieldSupport;34public class Main {35    public static void main(String[] args) {36        Foo foo = new Foo();37        foo.bar = "Hello, World!";38        System.out.println(FieldSupport.comparison().get("bar", foo));39    }40}41import org.assertj.core.util.introspection.FieldSupport;42public class Main {43    public static void main(String[] args) {

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