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 Github

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...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}...

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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

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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}

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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}

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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=

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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

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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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