Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use apply method of org.assertj.core.extractor.ToStringExtractor class

Best Assertj code snippet using org.assertj.core.extractor.ToStringExtractor.apply

Source:ToStringExtractorTest.java

...18    private ToStringExtractor toStringExtractor = new ToStringExtractor();19    @Test20    public void should_extract_toString() {21        Employee someEmployee = new Employee(1, new Name("John Doe"), 28);22        String result = toStringExtractor.apply(someEmployee);23        assertThat(result).isEqualTo("Employee[id=1, name=Name[first='John Doe', last='null'], age=28]");24    }25}...

apply

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.extractor.Extractors.byName;3import static org.assertj.core.extractor.Extractors.byType;4import static org.assertj.core.extractor.Extractors.extract;5import static org.assertj.core.extractor.Extractors.extractProperty;6import static org.assertj.core.extractor.Extractors.extractor;7import static org.assertj.core.extractor.Extractors.resultOf;8import java.util.List;9import org.assertj.core.api.Condition;10import org.assertj.core.api.ListAssert;11import org.assertj.core.api.ObjectAssert;12import org.assertj.core.api.ObjectAssertFactory;13import org.assertj.core.api.ObjectAssertLambda;14import org.assertj.core.api.ObjectAssertTest;15import org.assertj.core.api.ObjectEnumerableAssert;16import org.assertj.core.api.ObjectEnumerableAssertBaseTest;17import org.assertj.core.api.ObjectEnumerableAssertTest;18import org.assertj.core.api.ObjectListAssert;19import org.assertj.core.api.ObjectListAssertBaseTest;20import org.assertj.core.api.ObjectListAssertTest;21import org.assertj.core.api.ObjectMapAssert;22import org.assertj.core.api.ObjectMapAssertBaseTest;23import org.assertj.core.api.ObjectMapAssertTest;24import org.assertj.core.api.ObjectObjectAssert;25import org.assertj.core.api.ObjectObjectAssertBaseTest;26import org.assertj.core.api.ObjectObjectAssertTest;27import org.assertj.core.api.ObjectProviderAssert;28import org.assertj.core.api.ObjectProviderAssertBaseTest;29import org.assertj.core.api.ObjectProviderAssertTest;30import org.assertj.core.api.ObjectReferenceAssert;31import org.assertj.core.api.ObjectReferenceAssertBaseTest;32import org.assertj.core.api.ObjectReferenceAssertTest;33import org.assertj.core.api.ObjectSoftAssertions;34import org.assertj.core.api.ObjectSoftAssertionsBaseTest;35import org.assertj.core.api.ObjectSoftAssertionsTest;36import org.assertj.core.api.ObjectAssertAlternative;37import org.assertj.core.api.ObjectAssertAlternativeBaseTest;38import org.assertj.core.api.ObjectAssertAlternativeTest;39import org.assertj.core.api.ObjectAssertBaseTest;40import org.assertj.core.api.ObjectAssertLambdaBaseTest;41import org.assertj.core.api.ObjectAssertLambdaTest;42import org.assertj.core.api.ObjectAssertTest;43import org.assertj.core.api.ObjectAssertWithAssertFactory;44import org.assertj.core.api.ObjectAssertWithAssertFactoryBaseTest;45import org.assertj.core.api.ObjectAssertWithAssertFactoryTest;46import org.assertj.core.api.ObjectAssertWithExtractor;47import org.assertj.core.api.ObjectAssertWithExtractorBaseTest;48import org.assertj.core.api.ObjectAssertWithExtractorTest;49import org.assertj.core.api.ObjectAssertWith

apply

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.List;3import org.assertj.core.api.Condition;4import org.assertj.core.api.ListAssert;5import org.assertj.core.extractor.ToStringExtractor;6import org.junit.Test;7public class ExtractorTest {8    public void test() {9        List<Person> persons = Person.getPersons();10        ListAssert<Person> listAssert = assertThat(persons);11        listAssert.extracting("name").contains("John", "Jane", "Jim", "Jack");12        listAssert.extracting("age").contains(20, 21, 22, 23);13        listAssert.extracting("name", "age").contains(tuple("John", 20), tuple("Jane", 21), tuple("Jim", 22), tuple("Jack", 23));14        listAssert.extracting(new ToStringExtractor<Person>("name", "age")).contains("John-20", "Jane-21", "Jim-22", "Jack-23");15        listAssert.extracting(new Condition<Person>("John-20") {16            public boolean matches(Person person) {17                return person.getName().equals("John") && person.getAge() == 20;18            }19        }).isNotEmpty();20    }21}22public class Person {23    private String name;24    private int age;25    public Person(String name, int age) {26        this.name = name;27        this.age = age;28    }29    public String getName() {30        return name;31    }32    public void setName(String name) {33        this.name = name;34    }35    public int getAge() {36        return age;37    }38    public void setAge(int age) {39        this.age = age;40    }41    public String toString() {42        return name + "-" + age;43    }44    public static List<Person> getPersons() {45        List<Person> persons = new ArrayList<Person>();46        persons.add(new Person("John", 20));47        persons.add(new Person("Jane", 21));48        persons.add(new Person("Jim", 22));49        persons.add(new Person("Jack", 23));50        return persons;51    }52}

apply

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.extractor.ToStringExtractor;3import org.assertj.core.util.Lists;4import org.junit.Test;5import java.util.List;6public class AssertJExtractingTest {7    public void testExtracting() {8        List<Person> persons = Lists.newArrayList(new Person("John", "Doe"), new Person("Jane", "Doe"));9        List<String> firstNames = Assertions.extracting(persons, new ToStringExtractor("firstName")).asList();10        Assertions.assertThat(firstNames).contains("John", "Jane");11    }12    private class Person {13        private String firstName;14        private String lastName;15        public Person(String firstName, String lastName) {16            this.firstName = firstName;17            this.lastName = lastName;18        }19        public String getFirstName() {20            return firstName;21        }22        public String getLastName() {23            return lastName;24        }25        public String toString() {26            return "Person{" +27                    '}';28        }29    }30}

apply

Using AI Code Generation

1List<Person> persons = new ArrayList<>();2persons.add(new Person("John", "Doe"));3persons.add(new Person("Jane", "Doe"));4List<String> firstNames = persons.stream().map(new ToStringExtractor<>("firstName")).collect(Collectors.toList());5assertThat(firstNames).containsExactly("John", "Jane");6List<String> lastNames = persons.stream().map(new ToStringExtractor<>("lastName")).collect(Collectors.toList());7assertThat(lastNames).containsExactly("Doe", "Doe");

apply

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.extractor.ToStringExtractor;3import org.junit.Test;4import java.util.Arrays;5import java.util.List;6public class AssertJAssertListTest {7    public void testAssertList() {8        List<String> list = Arrays.asList("one", "two", "three");9        Assertions.assertThat(list).extracting(new ToStringExtractor()).containsExactly("one", "two", "three");10    }11}12at org.junit.Assert.assertEquals(Assert.java:115)13at org.junit.Assert.assertEquals(Assert.java:144)14at org.assertj.core.api.AbstractIterableAssert.isEqualTo(AbstractIterableAssert.java:180)15at org.assertj.core.api.Assertions$AbstractListAssert.isEqualTo(Assertions.java:1128)16at com.baeldung.assertj.AssertJAssertListTest.testAssertList(AssJAssertListTest.java:19)17package com.baeldung.assertj;18import org.assertj.core.api.Assertions;19import org.hamcrest.Matchers;20import org.junit.Test;21import java.util.Arrays;22import java.util.List;23public class AssertJAssertListTest {24    public void testAssertList() {25        List<String> list = Arrays.asList("one", "two", "three");26        Assertions.assertThat(list).extracting("toString").contains(Matchers.hasItems("one", "two", "three"));27    }28}29at org.junit.Assert.assertEquals(Assert.java:115)30at org.junit.Assert.assertEquals(Assert.java:144)

apply

Using AI Code Generation

1import org.assertj.core.extractor.ToStringExtractor2import org.assertj.core.api.Assertions.assertThat3Person person = new Person(name: "John", age: 30)4List names = new ArrayList()5assertThat(names).isEmpty()6names = names.apply(ToStringExtractor.toStringOf("name"))7assertThat(names).containsExactly("John")8assertThat(names).hasSize(1)9class Person {10}11The apply() method has the following signature:12apply(ToStringExtractor extractor)13The apply() method is available in the following versions of AssertJ:

Automation Testing Tutorials

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.