Best Assertj code snippet using org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.comparatorByFields
Source:RecursiveComparisonAssert_fluent_API_Test.java  
...33        // THEN34        Assertions.assertThat(recursiveComparisonConfiguration.isInStrictTypeCheckingMode()).isFalse();35        List<Map.Entry<Class<?>, Comparator<?>>> defaultComparators = TypeComparators.defaultTypeComparators().comparatorByTypes().collect(Collectors.toList());36        Assertions.assertThat(recursiveComparisonConfiguration.comparatorByTypes()).containsExactlyElementsOf(defaultComparators);37        Assertions.assertThat(recursiveComparisonConfiguration.comparatorByFields()).isEmpty();38        Assertions.assertThat(recursiveComparisonConfiguration.getIgnoreAllActualNullFields()).isFalse();39        Assertions.assertThat(recursiveComparisonConfiguration.getIgnoredFields()).isEmpty();40        Assertions.assertThat(recursiveComparisonConfiguration.getIgnoredFieldsRegexes()).isEmpty();41        Assertions.assertThat(recursiveComparisonConfiguration.getIgnoredOverriddenEqualsForFields()).isEmpty();42        Assertions.assertThat(recursiveComparisonConfiguration.getIgnoredOverriddenEqualsForTypes()).isEmpty();43        Assertions.assertThat(recursiveComparisonConfiguration.getIgnoredOverriddenEqualsRegexes()).isEmpty();44        Assertions.assertThat(recursiveComparisonConfiguration.hasCustomComparators()).isTrue();45    }46    @Test47    public void should_allow_to_enable_strict_mode_comparison() {48        // GIVEN49        RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();50        // WHEN51        RecursiveComparisonConfiguration configuration = Assertions.assertThat(RecursiveComparisonAssert_fluent_API_Test.ACTUAL).usingRecursiveComparison(recursiveComparisonConfiguration).withStrictTypeChecking().getRecursiveComparisonConfiguration();52        // THEN53        Assertions.assertThat(configuration.isInStrictTypeCheckingMode()).isTrue();54    }55    @Test56    public void should_allow_to_use_its_own_RecursiveComparisonConfiguration() {57        // GIVEN58        RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();59        // WHEN60        RecursiveComparisonConfiguration configuration = Assertions.assertThat(RecursiveComparisonAssert_fluent_API_Test.ACTUAL).usingRecursiveComparison(recursiveComparisonConfiguration).getRecursiveComparisonConfiguration();61        // THEN62        Assertions.assertThat(configuration).isSameAs(recursiveComparisonConfiguration);63    }64    @Test65    public void should_allow_to_ignore_all_actual_null_fields() {66        // WHEN67        RecursiveComparisonConfiguration configuration = Assertions.assertThat(RecursiveComparisonAssert_fluent_API_Test.ACTUAL).usingRecursiveComparison().ignoringActualNullFields().getRecursiveComparisonConfiguration();68        // THEN69        Assertions.assertThat(configuration.getIgnoreAllActualNullFields()).isTrue();70    }71    @Test72    public void should_allow_to_ignore_fields() {73        // GIVEN74        String field1 = "foo";75        String field2 = "foo.bar";76        // WHEN77        RecursiveComparisonConfiguration configuration = Assertions.assertThat(RecursiveComparisonAssert_fluent_API_Test.ACTUAL).usingRecursiveComparison().ignoringFields(field1, field2).getRecursiveComparisonConfiguration();78        // THEN79        Assertions.assertThat(configuration.getIgnoredFields()).containsExactly(FieldLocation.fielLocation(field1), FieldLocation.fielLocation(field2));80    }81    @Test82    public void should_allow_to_ignore_fields_matching_regexes() {83        // GIVEN84        String regex1 = "foo";85        String regex2 = ".*foo.*";86        // WHEN87        RecursiveComparisonConfiguration configuration = Assertions.assertThat(RecursiveComparisonAssert_fluent_API_Test.ACTUAL).usingRecursiveComparison().ignoringFieldsMatchingRegexes(regex1, regex2).getRecursiveComparisonConfiguration();88        // THEN89        Assertions.assertThat(configuration.getIgnoredFieldsRegexes()).extracting(Pattern::pattern).containsExactly(regex1, regex2);90    }91    @Test92    public void should_allow_to_ignore_overridden_equals_for_fields() {93        // GIVEN94        String field1 = "foo";95        String field2 = "foo.bar";96        // WHEN97        RecursiveComparisonConfiguration configuration = Assertions.assertThat(RecursiveComparisonAssert_fluent_API_Test.ACTUAL).usingRecursiveComparison().ignoringOverriddenEqualsForFields(field1, field2).getRecursiveComparisonConfiguration();98        // THEN99        Assertions.assertThat(configuration.getIgnoredOverriddenEqualsForFields()).containsExactly(FieldLocation.fielLocation(field1), FieldLocation.fielLocation(field2));100    }101    @Test102    public void should_allow_to_ignore_overridden_equals_by_regexes() {103        // GIVEN104        String regex1 = "foo";105        String regex2 = ".*foo.*";106        // WHEN107        RecursiveComparisonConfiguration configuration = Assertions.assertThat(RecursiveComparisonAssert_fluent_API_Test.ACTUAL).usingRecursiveComparison().ignoringOverriddenEqualsForFieldsMatchingRegexes(regex1, regex2).getRecursiveComparisonConfiguration();108        // THEN109        Assertions.assertThat(configuration.getIgnoredOverriddenEqualsRegexes()).extracting(Pattern::pattern).containsExactly(regex1, regex2);110    }111    @Test112    public void should_allow_to_ignore_overridden_equals_for_types() {113        // GIVEN114        Class<String> type1 = String.class;115        Class<Date> type2 = Date.class;116        // WHEN117        RecursiveComparisonConfiguration configuration = Assertions.assertThat(RecursiveComparisonAssert_fluent_API_Test.ACTUAL).usingRecursiveComparison().ignoringOverriddenEqualsForTypes(type1, type2).getRecursiveComparisonConfiguration();118        // THEN119        Assertions.assertThat(configuration.getIgnoredOverriddenEqualsForTypes()).containsExactly(type1, type2);120    }121    @Test122    public void should_allow_to_register_field_comparators() {123        // GIVEN124        String field1 = "foo";125        String field2 = "foo.bar";126        String field3 = "bar";127        AlwaysEqualComparator<?> alwaysEqualComparator = AlwaysEqualComparator.alwaysEqual();128        AlwaysDifferentComparator<?> alwaysDifferentComparator = AlwaysDifferentComparator.alwaysDifferent();129        // WHEN130        // @format:off131        RecursiveComparisonConfiguration configuration = Assertions.assertThat(RecursiveComparisonAssert_fluent_API_Test.ACTUAL).usingRecursiveComparison().withComparatorForFields(alwaysEqualComparator, field1, field3).withComparatorForFields(alwaysDifferentComparator, field2).getRecursiveComparisonConfiguration();132        // @format:on133        // THEN134        Assertions.assertThat(configuration.comparatorByFields()).containsExactly(Assertions.entry(FieldLocation.fielLocation(field3), alwaysEqualComparator), Assertions.entry(FieldLocation.fielLocation(field1), alwaysEqualComparator), Assertions.entry(FieldLocation.fielLocation(field2), alwaysDifferentComparator));135    }136    @Test137    public void should_allow_to_register_type_comparators() {138        // GIVEN139        Class<String> type1 = String.class;140        Class<Timestamp> type2 = Timestamp.class;141        Class<Tuple> type3 = Tuple.class;142        // WHEN143        // @format:off144        RecursiveComparisonConfiguration configuration = Assertions.assertThat(RecursiveComparisonAssert_fluent_API_Test.ACTUAL).usingRecursiveComparison().withComparatorForType(AlwaysEqualComparator.ALWAY_EQUALS_STRING, type1).withComparatorForType(AlwaysEqualComparator.ALWAY_EQUALS_TIMESTAMP, type2).withComparatorForType(AlwaysEqualComparator.ALWAY_EQUALS_TUPLE, type3).getRecursiveComparisonConfiguration();145        // @format:on146        // THEN147        Assertions.assertThat(configuration.comparatorByTypes()).contains(Assertions.entry(type1, AlwaysEqualComparator.ALWAY_EQUALS_STRING), Assertions.entry(type2, AlwaysEqualComparator.ALWAY_EQUALS_TIMESTAMP), Assertions.entry(type3, AlwaysEqualComparator.ALWAY_EQUALS_TUPLE));148    }...comparatorByFields
Using AI Code Generation
1import org.assertj.core.api.recursive.comparison.ComparisonStrategy;2import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;3import org.assertj.core.util.introspection.IntrospectionError;4import java.util.Arrays;5import java.util.Collections;6import java.util.List;7import static org.assertj.core.api.Assertions.assertThat;8public class RecursiveComparisonConfigurationTest {9    public static void main(String[] args) throws IntrospectionError {10        List<Developer> developers = Arrays.asList(11                new Developer("John", "Doe", "Java"),12                new Developer("Jane", "Doe", "Kotlin")13        );14        List<Developer> developers2 = Arrays.asList(15                new Developer("John", "Doe", "Java"),16                new Developer("Jane", "Doe", "Kotlin")17        );18        assertThat(developers).usingRecursiveComparison()19                .isEqualTo(developers2);20    }21    private static class Developer {22        private String firstName;23        private String lastName;24        private String language;25        public Developer(String firstName, String lastName, String language) {26            this.firstName = firstName;27            this.lastName = lastName;28            this.language = language;29        }30        public String getFirstName() {31            return firstName;32        }33        public void setFirstName(String firstName) {34            this.firstName = firstName;35        }36        public String getLastName() {37            return lastName;38        }39        public void setLastName(String lastName) {40            this.lastName = lastName;41        }42        public String getLanguage() {43            return language;44        }45        public void setLanguage(String language) {46            this.language = language;47        }48    }49}50  <[Developer(firstName=John, lastName=Doe, language=Java), Developer(firstName=Jane, lastName=Doe, language=Kotlin)]>51  <[Developer(firstName=John, lastName=Doe, language=Java), Developer(firstName=Jane, lastName=Doe, language=Kotlin)]>52at org.assertj.core.error.ShouldBeEqualByComparingFieldByFieldRecursively.createAssertionError(ShouldBeEqualByComparingFieldByFieldRecursively.java:57)comparatorByFields
Using AI Code Generation
1import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration2import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.builder3def config = builder()4    .withComparatorForFields((a, b) -> a == b, 'id', 'name')5    .build()6assertThat(actual).usingRecursiveComparison(config).isEqualTo(expected)7import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration8import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.builder9def config = builder()10    .withComparatorForFields((a, b) -> a == b, 'id', 'name')11    .build()12assertThat(actual).usingRecursiveComparison(config).isEqualTo(expected)comparatorByFields
Using AI Code Generation
1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.within;3import static org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.*;4import java.util.ArrayList;5import java.util.List;6import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;7class Person {8    String name;9    int age;10    public Person(String name, int age) {11        this.name = name;12        this.age = age;13    }14    public String getName() {15        return name;16    }17    public int getAge() {18        return age;19    }20}21public class RecursiveComparisonConfigurationDemo {22    public static void main(String[] args) {23        List<Person> persons1 = new ArrayList<>();24        persons1.add(new Person("John", 30));25        persons1.add(new Person("Mary", 25));26        persons1.add(new Person("Peter", 40));27        List<Person> persons2 = new ArrayList<>();28        persons2.add(new Person("John", 30));29        persons2.add(new Person("Mary", 26));30        persons2.add(new Person("Peter", 40));31        RecursiveComparisonConfiguration configuration = RecursiveComparisonConfiguration.builder()32                .withIgnoredFields("age")33                .build();34        assertThat(persons1).usingRecursiveComparison(configuration)35            .isEqualTo(persons2);36    }37}38  [Person(name=John, age=30), Person(name=Mary, age=25), Person(name=Peter, age=40)]39  [Person(name=John, age=30), Person(name=Mary, age=26), Person(name=Peter, age=40)]40when recursively comparing field by field, but found the following 1 difference(s):41at org.assertj.core.api.recursive.comparison.RecursiveComparisonAssert.isEqualTo(RecursiveComparisonAssert.java:254)42at org.assertj.core.api.recursive.comparison.RecursiveComparisonAssert.isEqualTo(RecursiveComparisonAssert.java:40)43at RecursiveComparisonConfigurationDemo.main(RecursiveComparisonConfigurationDemo.java:36)comparatorByFields
Using AI Code Generation
1import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.builder;4public class RecursiveComparisonTest {5    public static void main(String[] args) {6        Person person = new Person("John", "Doe", 30);7        Person otherPerson = new Person("John", "Doe", 30);8        RecursiveComparisonConfiguration recursiveComparisonConfiguration = builder()9                .withComparatorForFields((person1, person2) -> true, "age")10                .build();11        assertThat(person).usingRecursiveComparison(recursiveComparisonConfiguration)12                .isEqualTo(otherPerson);13    }14}15class Person {16    private String firstName;17    private String lastName;18    private int age;19    public Person(String firstName, String lastName, int age) {20        this.firstName = firstName;21        this.lastName = lastName;22        this.age = age;23    }24    public String getFirstName() {25        return firstName;26    }27    public String getLastName() {28        return lastName;29    }30    public int getAge() {31        return age;32    }33}34	at RecursiveComparisonTest.main(RecursiveComparisonTest.java:23)35import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;36import static org.assertj.core.api.Assertions.assertThat;37import static org.assertj.core.api.recursive.comparisoncomparatorByFields
Using AI Code Generation
1import static org.assertj.core.api.Assertions.*;2import static org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.*;3import java.util.*;4public class Person {5    private String name;6    private int age;7    private List<Person> children;8    public Person(String name, int age) {9        this.name = name;10        this.age = age;11    }12    public Person(String name, int age, List<Person> children) {13        this.name = name;14        this.age = age;15        this.children = children;16    }17    public String getName() {18        return name;19    }20    public int getAge() {21        return age;22    }23    public List<Person> getChildren() {24        return children;25    }26    public String toString() {27        return "Person{" +28                '}';29    }30}31public class AssertJComparatorByFieldsTest {32    public static void main(String[] args) {33        Person p1 = new Person("John", 20);34        Person p2 = new Person("Jane", 25);35        Person p3 = new Person("Jack", 30);36        Person p4 = new Person("Jill", 35);37        Person p5 = new Person("Joe", 40);38        List<Person> persons = Arrays.asList(p1, p2, p3, p4, p5);39        List<Person> sortedPersons = assertThat(persons)40                .usingComparatorForType(comparatorByFields(Person.class, "age"), Person.class)41                .isSorted()42                .returnToIterable()43                .toList();44        System.out.println(sortedPersons);45    }46}47[Person{name='John', age=20, children=null}, Person{name='Jane', age=25, children=null}, Person{name='Jack', age=30, children=null}, Person{name='Jill', age=35, children=null}, Person{name='Joe', age=40, children=null}]comparatorByFields
Using AI Code Generation
1List<Employee> employeeList = new ArrayList<>();2employeeList.add(new Employee(1, "John", "Doe", 1000));3employeeList.add(new Employee(2, "Jane", "Doe", 2000));4employeeList.add(new Employee(3, "Joe", "Doe", 3000));5List<Employee> employeeList2 = new ArrayList<>();6employeeList2.add(new Employee(1, "John", "Doe", 1000));7employeeList2.add(new Employee(2, "Jane", "Doe", 2000));8employeeList2.add(new Employee(3, "Joe", "Doe", 3000));9List<String> fieldPaths = new ArrayList<>();10fieldPaths.add("salary");11RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();12recursiveComparisonConfiguration.setIgnoredFields(fieldPaths);13Assertions.assertThat(employeeList).usingRecursiveComparison(recursiveComparisonConfiguration)14        .isEqualTo(employeeList2);15List<Employee> employeeList = new ArrayList<>();16employeeList.add(new Employee(1, "John", "Doe", 1000));17employeeList.add(new Employee(2, "Jane", "Doe", 2000));18employeeList.add(new Employee(3, "Joe", "Doe", 3000));19List<Employee> employeeList2 = new ArrayList<>();20employeeList2.add(new Employee(1, "John", "Doe", 1000));21employeeList2.add(new Employee(2, "Jane", "Doe", 2000));22employeeList2.add(new Employee(3, "Joe", "Doe", 3000));23List<String> fieldPaths = new ArrayList<>();24fieldPaths.add("salary");25RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();comparatorByFields
Using AI Code Generation
1recursiveComparisonConfiguration.setIgnoredFields(fieldPaths);2Assertions.assertThat(employeeList).usingRecursiveComparison(recursiveComparisonConfiguration)3        .isEqualTo(employeeList2);4List<Employee> employeeList = new ArrayList<>();5employeeList.add(new Employee(1, "John", "Doe", 1000));6employeeList.add(new Employee(2, "Jane", "Doe", 2000));7employeeList.add(new Employee(3, "Joe", "Doe", 3000));8List<Employee> employeeList2 = new ArrayList<>();9employeeList2.add(new Employee(1, "John", "Doe", 1000));10employeeList2.add(new Employee(2, "Jane", "Doe", 2000));11employeeList2.add(new Employee(3, "Joe", "Doe", 3000));12List<String> fieldPaths = new ArrayList<>();13fieldPaths.add("salary");14RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();15import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;16import static org.assertj.core.api.Assertions.assertThat;17import static org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.builder;18public class RecursiveComparisonTest {19    public static void main(String[] args) {20        Person person = new Person("John", "Doe", 30);21        Person otherPerson = new Person("John", "Doe", 30);22        RecursiveComparisonConfiguration recursiveComparisonConfiguration = builder()23                .withComparatorForFields((person1, person2) -> true, "age")24                .build();25        assertThat(person).usingRecursiveComparison(recursiveComparisonConfiguration)26                .isEqualTo(otherPerson);27    }28}29class Person {30    private String firstName;31    private String lastName;32    private 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}48	at RecursiveComparisonTest.main(RecursiveComparisonTest.java:23)49import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;50import static org.assertj.core.api.Assertions.assertThat;51import static org.assertj.core.api.recursive.comparisoncomparatorByFields
Using AI Code Generation
1import static org.assertj.core.api.Assertions.*;2import static org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.*;3import java.util.*;4public class Person {5    private String name;6    private int age;7    private List<Person> children;8    public Person(String name, int age) {9        this.name = name;10        this.age = age;11    }12    public Person(String name, int age, List<Person> children) {13        this.name = name;14        this.age = age;15        this.children = children;16    }17    public String getName() {18        return name;19    }20    public int getAge() {21        return age;22    }23    public List<Person> getChildren() {24        return children;25    }26    public String toString() {27        return "Person{" +28                '}';29    }30}31public class AssertJComparatorByFieldsTest {32    public static void main(String[] args) {33        Person p1 = new Person("John", 20);34        Person p2 = new Person("Jane", 25);35        Person p3 = new Person("Jack", 30);36        Person p4 = new Person("Jill", 35);37        Person p5 = new Person("Joe", 40);38        List<Person> persons = Arrays.asList(p1, p2, p3, p4, p5);39        List<Person> sortedPersons = assertThat(persons)40                .usingComparatorForType(comparatorByFields(Person.class, "age"), Person.class)41                .isSorted()42                .returnToIterable()43                .toList();44        System.out.println(sortedPersons);45    }46}47[Person{name='John', age=20, children=null}, Person{name='Jane', age=25, children=null}, Person{name='Jack', age=30, children=null}, Person{name='Jill', age=35, children=null}, Person{name='Joe', age=40, children=null}]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.
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