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

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

Source:ByNameMultipleExtractorTest.java

...30  void should_extract_tuples_from_fields_or_properties() {31    // GIVEN32    ByNameMultipleExtractor underTest = new ByNameMultipleExtractor("id", "age");33    // WHEN34    Tuple result = underTest.apply(YODA);35    // THEN36    then(result).isEqualTo(tuple(1L, 800));37  }38  @Test39  void should_extract_tuples_with_consistent_iteration_order() {40    // GIVEN41    ByNameMultipleExtractor underTest = new ByNameMultipleExtractor("id", "name.first", "age");42    // WHEN43    Tuple result = underTest.apply(YODA);44    // THEN45    then(result).isEqualTo(tuple(1L, "Yoda", 800));46  }47  @Test48  void should_throw_error_when_no_property_nor_public_field_match_one_of_given_names() {49    // GIVEN50    ByNameMultipleExtractor underTest = new ByNameMultipleExtractor("id", "name.first", "unknown");51    // WHEN52    Throwable thrown = catchThrowable(() -> underTest.apply(YODA));53    // THEN54    then(thrown).isInstanceOf(IntrospectionError.class);55  }56  @Test57  void should_throw_exception_when_given_name_is_null() {58    // GIVEN59    ByNameMultipleExtractor underTest = new ByNameMultipleExtractor((String[]) null);60    // WHEN61    Throwable thrown = catchThrowable(() -> underTest.apply(YODA));62    // THEN63    then(thrown).isInstanceOf(IllegalArgumentException.class)64                .hasMessage("The names of the fields/properties to read should not be null");65  }66  @Test67  void should_throw_exception_when_given_name_is_empty() {68    // GIVEN69    ByNameMultipleExtractor underTest = new ByNameMultipleExtractor(); // empty vararg array70    // WHEN71    Throwable thrown = catchThrowable(() -> underTest.apply(YODA));72    // THEN73    then(thrown).isInstanceOf(IllegalArgumentException.class)74                .hasMessage("The names of the fields/properties to read should not be empty");75  }76  @Test77  void should_throw_exception_when_no_object_is_given() {78    // GIVEN79    ByNameMultipleExtractor underTest = new ByNameMultipleExtractor("id", "name.first", "age");80    // WHEN81    Throwable thrown = catchThrowable(() -> underTest.apply(null));82    // THEN83    then(thrown).isInstanceOf(IllegalArgumentException.class)84                .hasMessage("The object to extract fields/properties from should not be null");85  }86  @Test87  void should_extract_multiple_values_from_map_by_keys() {88    // GIVEN89    Employee luke = new Employee(2L, new Name("Luke"), 22);90    Map<String, Employee> map = mapOf(entry("key1", YODA), entry("key2", luke), entry("key3", null));91    ByNameMultipleExtractor underTest = new ByNameMultipleExtractor("key1", "key2", "key3");92    // WHEN93    Tuple result = underTest.apply(map);94    // THEN95    then(result).isEqualTo(tuple(YODA, luke, null));96  }97  @Test98  void should_throw_error_with_map_when_non_existing_key_is_given() {99    // GIVEN100    Employee luke = new Employee(2L, new Name("Luke"), 22);101    Map<String, Employee> map = mapOf(entry("key1", YODA), entry("key2", luke));102    ByNameMultipleExtractor underTest = new ByNameMultipleExtractor("key1", "key2", "bad key");103    // WHEN104    Throwable thrown = catchThrowable(() -> underTest.apply(YODA));105    // THEN106    then(thrown).isInstanceOf(IntrospectionError.class);107  }108}...

apply

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.extractor.Extractors.byNameMultiple;3import java.util.List;4import org.assertj.core.groups.Tuple;5import org.junit.Test;6public class ByNameMultipleExtractorTest {7  public void testByNameMultipleExtractor() {8    List<Person> persons = PersonFactory.createPersons();9    List<Tuple> extracted = assertThat(persons).extracting(byNameMultiple("name", "age")).asList();10    assertThat(extracted).containsExactly(Tuple.tuple("John", 20), Tuple.tuple("Jane", 25), Tuple.tuple("Adam", 30),11        Tuple.tuple("Adam", 40));12  }13}14package org.assertj.core.extractor;15import java.util.ArrayList;16import java.util.List;17public class PersonFactory {18  public static List<Person> createPersons() {19    List<Person> persons = new ArrayList<>();20    persons.add(new Person("John", 20));21    persons.add(new Person("Jane", 25));22    persons.add(new Person("Adam", 30));23    persons.add(new Person("Adam", 40));24    return persons;25  }26}27package org.assertj.core.extractor;28public class Person {29  private final String name;30  private final int age;31  public Person(String name, int age) {32    this.name = name;33    this.age = age;34  }35  public String getName() {36    return name;37  }38  public int getAge() {39    return age;40  }41  public String toString() {42    return "Person [name=" + name + ", age=" + age + "]";43  }44}45org.assertj.core.extractor.ByNameMultipleExtractorTest > testByNameMultipleExtractor() PASSED

apply

Using AI Code Generation

1import org.assertj.core.extractor.ByNameMultipleExtractor;2import org.junit.Test;3import java.util.Arrays;4import java.util.List;5import static org.assertj.core.api.Assertions.assertThat;6public class ByNameMultipleExtractorTest {7    public void should_extract_multiple_values_using_by_name_extractor() {8        List<Developer> developers = Arrays.asList(new Developer("John", "Doe", 30),9                new Developer("Jane", "Doe", 28));10        List<String> names = ByNameMultipleExtractor.extract(developers, "firstName", "lastName");11        assertThat(names).containsExactly("John Doe", "Jane Doe");12    }13    private static class Developer {14        private String firstName;15        private String lastName;16        private int age;17        public Developer(String firstName, String lastName, int age) {18            this.firstName = firstName;19            this.lastName = lastName;20            this.age = age;21        }22        public String getFirstName() {23            return firstName;24        }25        public String getLastName() {26            return lastName;27        }28        public int getAge() {29            return age;30        }31    }32}

apply

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.extractor.Extractors;3import org.assertj.core.groups.Tuple;4import org.assertj.core.util.introspection.PropertyOrFieldSupport;5import java.util.List;6import static java.util.Arrays.asList;7import static org.assertj.core.api.Assertions.assertThat;8import static org.assertj.core.api.Assertions.tuple;9public class ExtractorExample {10    public static void main(String[] args) {11        List<Employee> employees = asList(12                new Employee("John", "Doe", 1000),13                new Employee("Jane", "Doe", 1500),14                new Employee("John", "Smith", 2000)15        );16        List<Tuple> tuples = Extractors.byNameMultiple("name", "salary").apply(employees);17        assertThat(tuples).containsExactly(18                tuple("John", 1000),19                tuple("Jane", 1500),20                tuple("John", 2000)21        );22                .extractorFor(employees)23                .extract(asList("name", "salary"));24        assertThat(tuples).containsExactly(25                tuple("John", 1000),26                tuple("Jane", 1500),27                tuple("John", 2000)28        );29    }30    static class Employee {31        private String name;32        private String surname;33        private int salary;34        public Employee(String name, String surname, int salary) {35            this.name = name;36            this.surname = surname;37            this.salary = salary;38        }39        public String getName() {40            return name;41        }42        public String getSurname() {43            return surname;44        }45        public int getSalary() {46            return salary;47        }48    }49}

apply

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.extractor.Extractors;3import org.assertj.core.groups.Tuple;4import org.junit.Test;5import java.util.ArrayList;6import java.util.List;7public class ExtractorTest {8    public void testExtractor() {9        List<Employee> employees = new ArrayList<>();10        employees.add(new Employee("John", "Doe", 1000));11        employees.add(new Employee("Jane", "Doe", 2000));12        employees.add(new Employee("Jack", "Doe", 3000));13        List<Tuple> tuples = Extractors.byNameMultiple("firstName", "lastName", "salary")14                .apply(employees);15        Assertions.assertThat(tuples)16                .containsExactly(Tuple.tuple("John", "Doe", 1000),17                        Tuple.tuple("Jane", "Doe", 2000),18                        Tuple.tuple("Jack", "Doe", 3000));19    }20    public class Employee {21        private String firstName;22        private String lastName;23        private int salary;24        public Employee(String firstName, String lastName, int salary) {25            this.firstName = firstName;26            this.lastName = lastName;27            this.salary = salary;28        }29        public String getFirstName() {30            return firstName;31        }32        public String getLastName() {33            return lastName;34        }35        public int getSalary() {36            return salary;37        }38    }39}40Expected :[[(firstName=John, lastName=Doe, salary=1000), (firstName=Jane, lastName=Doe, salary=2000), (firstName=Jack, lastName=Doe, salary=3000)]]41Actual   :[[(firstName=John, lastName=Doe, salary=1000), (firstName=Jane, lastName=Doe, salary=2000), (firstName=Jack, lastName=Doe, salary=3000)]]42Expected :[[(firstName=John, lastName=Doe, salary=1000), (firstName=Jane, lastName=Doe, salary=2000), (firstName=Jack, lastName=Doe, salary=3000)]]43Actual   :[[(firstName=John, lastName=Doe, salary=1000), (firstName=Jane, lastName=Doe, salary=2000), (firstName=

apply

Using AI Code Generation

1@DisplayName("Test case to test the apply method of ByNameMultipleExtractor class")2void testApply() {3    Person person = new Person("John", "Doe", 25);4    ByNameMultipleExtractor<Person> extractor = byNameMultiple("firstName", "lastName");5    List<String> extractedValues = extractor.apply(person);6    assertThat(extractedValues).containsExactly("John", "Doe");7}8void testApplyWithNull() {9    Person person = new Person("John", "Doe", 25);10    ByNameMultipleExtractor<Person> extractor = byNameMultiple("firstName", "lastName", "age");11    List<String> extractedValues = extractor.apply(person);12    assertThat(extractedValues).containsExactly("John", "Doe", null);13}14package org.codelearn;15import static org.assertj.core.api.Assertions.assertThat;16import static org.assertj.core.api.Assertions.catchThrowable;17import static org.assertj.core.extractor.ByNamesMultipleExtractor.byNamesMultiple;18import java.util.List;19import org.assertj.core.extractor.ByNamesMultipleExtractor;20import org.junit.jupiter.api.DisplayName;21import org.junit.jupiter.api.Test;22public class ByNamesMultipleExtractorTest {23    @DisplayName("Test case to test the byNamesMultiple method of ByNamesMultipleExtractor class")24    void testByNamesMultiple() {25        String[] names = { "firstName", "lastName", "age" };26        ByNamesMultipleExtractor<Person> extractor = byNamesMultiple(names);27        assertThat(extractor).isNotNull();28    }29    @DisplayName("Test case to test the byNamesMultiple method of ByNames

apply

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.extractor.ByNameMultipleExtractor;3import org.assertj.core.groups.Tuple;4import org.junit.Test;5public class ByNameMultipleExtractorTest {6  public void test() {7    List<Employee> employees = new ArrayList<Employee>();8    employees.add(new Employee("John", 10000, 30));9    employees.add(new Employee("Smith", 15000, 35));10    employees.add(new Employee("Peter", 20000, 40));11    employees.add(new Employee("John", 25000, 45));12    Assertions.assertThat(employees).extracting("name")13        .containsOnly("John", "Smith", "Peter");14  }15}16class Employee {17  private String name;18  private int salary;19  private int age;20  public Employee(String name, int salary, int age) {21    this.name = name;22    this.salary = salary;23    this.age = age;24  }25  public String getName() {26    return name;27  }28  public void setName(String name) {29    this.name = name;30  }31  public int getSalary() {32    return salary;33  }34  public void setSalary(int salary) {35    this.salary = salary;36  }37  public int getAge() {38    return age;39  }40  public void setAge(int age) {41    this.age = age;42  }43}

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