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How to use usingComparatorForFields method of org.assertj.core.api.AbstractObjectAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractObjectAssert.usingComparatorForFields

Source:AssertJContextBeforeAssertionCheck.java

...40    assertThat(1).usingComparator(new MyComparator()).isEqualTo(2).usingDefaultComparator().isEqualTo(1); // Compliant41    assertThat(1).isEqualTo(2).usingDefaultComparator(); // Noncompliant42    assertThat(1).isEqualTo(2).usingRecursiveComparison(); // Noncompliant43    assertThat(1).isEqualTo(2).usingRecursiveComparison(new RecursiveComparisonConfiguration()); // Noncompliant44    assertThat(1).isEqualTo(2).usingComparatorForFields(new MyComparator()); // Noncompliant45    assertThat(1).isEqualTo(2).usingComparatorForFields(new MyComparator(), "a", "b"); // Noncompliant46    assertThat(1).isEqualTo(2).usingComparatorForType(new MyComparator(), Integer.class); // Noncompliant47    // Element comparison48    assertThat(getList()).isEqualTo(new ArrayList<>()).usingDefaultElementComparator(); // Noncompliant49    assertThat(getList()).isEqualTo(new ArrayList<>()).usingFieldByFieldElementComparator(); // Noncompliant50    assertThat(getList()).isEqualTo(new ArrayList<>()).usingComparatorForElementFieldsWithNames(new MyComparator(), ""); // Noncompliant51    assertThat(getList()).isEqualTo(new ArrayList<>()).usingComparatorForElementFieldsWithType(new MyComparator(), Object.class); // Noncompliant52    assertThat(getList()).isEqualTo(new ArrayList<>()).usingElementComparator(new MyComparator()); // Noncompliant53    assertThat(getList()).isEqualTo(new ArrayList<>()).usingElementComparatorIgnoringFields("field"); // Noncompliant54    assertThat(getList()).isEqualTo(new ArrayList<>()).usingElementComparatorOnFields(); // Noncompliant55    assertThat(getList()).isEqualTo(new ArrayList<>()).usingRecursiveFieldByFieldElementComparator(); // Noncompliant56    // Extracting57    assertThat(getObject()).isEqualTo("field").extracting("f"); // Noncompliant58    assertThat(getObject()).isEqualTo("field").extracting(Object::toString); // Noncompliant59    assertThat(getObject()).isEqualTo("field").extracting(Object::toString).isEqualToComparingFieldByField(new Object()); // Compliant...

usingComparatorForFields

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.usingComparatorForFields;3import java.util.Comparator;4import org.assertj.core.api.AbstractObjectAssert;5import org.junit.Test;6public class AssertJObjectAssertTest {7    public void test() {8        Person person = new Person("John", "Doe", 30);9        Person otherPerson = new Person("John", "Doe", 30);10        assertThat(person).isEqualTo(otherPerson);11        AbstractObjectAssert<?, Person> usingComparatorForFields = usingComparatorForFields(12                Comparator.comparing(Person::getAge), "age");13        usingComparatorForFields.assertThat(person).isEqualTo(otherPerson);14    }15    class 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 void setFirstName(String firstName) {28            this.firstName = firstName;29        }30        public String getLastName() {31            return lastName;32        }33        public void setLastName(String lastName) {34            this.lastName = lastName;35        }36        public int getAge() {37            return age;38        }39        public void setAge(int age) {40            this.age = age;41        }42    }43}44    at org.junit.Assert.assertEquals(Assert.java:115)45    at org.junit.Assert.assertEquals(Assert.java:144)46    at AssertJObjectAssertTest.test(AssertJObjectAssertTest.java:19)47import static org.assertj.core.api.Assertions.assertThat;48import static org.assertj.core.api.Assertions.usingComparatorForFields;49import java.util.Comparator;50import org.assertj.core.api.AbstractObjectAssert;51import org.junit.Test;52public class AssertJObjectAssertTest {53    public void test() {54        Person person = new Person("John", "Doe", 30);55        Person otherPerson = new Person("John", "Doe", 30);56        assertThat(person).isEqualTo(otherPerson);

usingComparatorForFields

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import java.util.Comparator;3import org.junit.Test;4public class AbstractObjectAssertTest {5	public void usingComparatorForFieldsTest() {6		Student student = new Student(1, "John", "Doe");7		Student student2 = new Student(1, "John", "Doe");8		Comparator<Student> studentComparator = Comparator.comparing(Student::getFirstName, String.CASE_INSENSITIVE_ORDER)9				.thenComparing(Student::getLastName, String.CASE_INSENSITIVE_ORDER);10		assertThat(student).usingComparatorForFields(studentComparator, "firstName", "lastName").isEqualTo(student2);11	}12}13public class Student {14	private int id;15	private String firstName;16	private String lastName;17	public Student(int id, String firstName, String lastName) {18		this.id = id;19		this.firstName = firstName;20		this.lastName = lastName;21	}22	public int getId() {23		return id;24	}25	public String getFirstName() {26		return firstName;27	}28	public String getLastName() {29		return lastName;30	}31}32Expected :Student(id=1, firstName=John, lastName=Doe)33Actual   :Student(id=1, firstName=John, lastName=Doe)

usingComparatorForFields

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.mockito.junit.MockitoJUnitRunner;5import java.util.Comparator;6import java.util.Date;7import java.util.List;8import static java.util.Arrays.asList;9import static org.assertj.core.api.Assertions.assertThat;10import static org.assertj.core.api.Assertions.within;11import static org.assertj.core.api.Assertions.withinPercentage;12import static org.assertj.core.api.Assertions.withinPrecision;13import static org.assertj.core.api.Assertions.withinTolerance;14import static org.assertj.core.api.Assertions.withinToleranceOf;15import static org.assertj.core.api.Assertions.withinToleranceOfPercentage;16import static org.assertj.core.api.Assertions.withinToleranceOfPercentageOf;17import static org.assertj.core.api.Assertions.withinToleranceOfPercentageOfValue;18import static org.assertj.core.api.Assertions.withinToleranceOfValue;19import static org.assertj.core.api.Assertions.withinToleranceOfValueOf;20import static org.assertj.core.util.DateUtil.parse;21import static org.assertj.core.util.Lists.newArrayList;22import static org.assertj.core.util.Lists.list;23import static org.assertj.core.util.Lists.listOf;

usingComparatorForFields

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.Comparator;3import java.util.List;4import org.junit.Test;5public class AssertJComparatorTest {6    public void test() {7        List<Person> persons = List.of(new Person("John", 25), new Person("Jane", 25), new Person("James", 30));8        List<Person> expected = List.of(new Person("James", 30), new Person("John", 25), new Person("Jane", 25));9        Comparator<Person> comparator = Comparator.comparing(Person::getAge).thenComparing(Person::getName);10        assertThat(persons).usingComparatorForFields(comparator, "age", "name").containsExactlyElementsOf(expected);11    }12    private static class Person {13        private String name;14        private int age;15        public Person(String name, int age) {16            this.name = name;17            this.age = age;18        }19        public String getName() {20            return name;21        }22        public int getAge() {23            return age;24        }25    }26}27  <[Person(name=John, age=25), Person(name=Jane, age=25), Person(name=James, age=30)]>28to contain exactly (and in same order):29  <[Person(name=James, age=30), Person(name=John, age=25), Person(name=Jane, age=25)]>30  <[Person(name=James, age=30)]>31  <[Person(name=Jane, age=25)]>32assertThat(persons).usingComparatorForFields(comparator, "age", "name").containsExactlyElementsOf(expected);33assertThat(persons).usingComparatorForFields(comparator, "age", "name").containsExactlyInAnyOrderElementsOf(expected);34assertThat(persons).usingComparatorForFields(comparator, "age", "name").containsExactlyInAnyOrder(expected);35assertThat(persons).usingComparatorForFields(comparator, "age", "name").containsExactly(expected);36assertThat(persons).usingComparatorForFields(comparator, "age", "name").containsExactlyInAnyOrderElementsOf(expected);37assertThat(persons).usingComparatorForFields(comparator, "age", "name").containsExactlyInAnyOrder(expected);

usingComparatorForFields

Using AI Code Generation

1import org.junit.Test;2import org.junit.runner.RunWith;3import org.mockito.Mock;4import org.mockito.junit.MockitoJUnitRunner;5import org.junit.Assert;6import org.junit.Before;7import org.junit.Test;8import org.junit.runner.RunWith;9import org.mockito.Mock;10import org.mockito.junit.MockitoJUnitRunner;11import java.util.List;12import static org.assertj.core.api.Assertions.assertThat;13import static org.mockito.Mockito.when;14@RunWith(MockitoJUnitRunner.class)15public class UsingComparatorForFieldsTest {16    private List<String> list;17    public void setUp() {18        when(list.get(0)).thenReturn("foo");19        when(list.get(1)).thenReturn("bar");20    }21    public void givenList_whenUsingComparatorForFields_thenCorrect() {22        assertThat(list)23          .usingComparatorForFields((s1, s2) -> s1.length() - s2.length(), "foo")24          .contains("foo", "bar");25    }26}27at org.assertj.core.api.AbstractIterableAssert.contains(AbstractIterableAssert.java:230)28at org.assertj.core.api.AbstractIterableAssert.contains(AbstractIterableAssert.java:38)29at UsingComparatorForFieldsTest.givenList_whenUsingComparatorForFields_thenCorrect(UsingComparatorForFieldsTest.java:30)30package com.journaldev.junit;31import org.junit.Test;32import org.junit.runner.RunWith;33import org.mockito.Mock;34import org.mockito.junit.MockitoJUnitRunner;35import java.util.List;36import static org.assertj.core.api.Assertions.assertThat;37import static org.mockito.Mockito.when;38@RunWith(MockitoJUnitRunner.class)39public class UsingComparatorForFieldsTest {40    private List<String> list;41    public void givenList_whenUsingComparatorForFields_thenCorrect() {42        when(list.get(0)).thenReturn("foo");43        when(list.get(1)).thenReturn("bar");44        assertThat(list)45          .usingComparatorForFields((s1, s2) -> s1.length() - s2.length(), "foo")46          .contains("foo", "bar");47    }48}

usingComparatorForFields

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import static org.assertj.core.api.Assertions.assertThat;3public class AssertjTest {4    public void testAssertj() {5        class Person {6            private String name;7            private int age;8            public Person(String name, int age) {9                this.name = name;10                this.age = age;11            }12            public String getName() {13                return name;14            }15            public int getAge() {16                return age;17            }18        }19        Person person1 = new Person("John", 30);20        Person person2 = new Person("John", 30);21        assertThat(person1).usingComparatorForFields((p1, p2) -> p1.getAge() - p2.getAge(), "

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