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How to use extracting method of org.assertj.core.api.AbstractIterableAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractIterableAssert.extracting

Source:org.assertj.core.api.iterable.IterableAssert_extracting_Test-should_allow_assertions_on_field_values_extracted_from_given_iterable.java

...25import static org.assertj.core.api.Assertions.tuple;26import static org.assertj.core.test.ExpectedException.none;27import static org.assertj.core.util.Lists.newArrayList;28/**29 * Tests for <code>{@link AbstractIterableAssert#extracting(String)}</code> and30 * <code>{@link AbstractIterableAssert#extracting(String...)}</code>.31 * 32 * @author Joel Costigliola33 * @author Mateusz Haligowski34 */35public class IterableAssert_extracting_Test {36  private Employee yoda;37  private Employee luke;38  private Iterable<Employee> employees;39  private static final Extractor<Employee, String> firstName = new Extractor<Employee, String>() {40    @Override41    public String extract(Employee input) {42      return input.getName().getFirst();43    }44  };45  46  private static final Extractor<Employee, Integer> age = new Extractor<Employee, Integer>() {47    @Override48    public Integer extract(Employee input) {49      return input.getAge();50    }51  };52  53  @Before54  public void setUp() {55    yoda = new Employee(1L, new Name("Yoda"), 800);56    luke = new Employee(2L, new Name("Luke", "Skywalker"), 26);57    employees = newArrayList(yoda, luke);58  }59  @Rule60  public ExpectedException thrown = none();61  @Test public void should_allow_assertions_on_field_values_extracted_from_given_iterable() throws Exception{assertThat(employees).extracting("id").as("extract field").containsOnly(1L,2L);assertThat(employees).extracting("surname").as("null field").containsNull();assertThat(employees).extracting("surname.first").as("null nested field").containsNull();yoda.surname=new Name();assertThat(employees).extracting("surname.first").as("not null field but null nested field").containsNull();yoda.surname=new Name("Master");assertThat(employees).extracting("surname.first").as("nested field").containsOnly("Master",null);assertThat(employees).extracting("surname",Name.class).as("extract field specifiying the extracted type").containsOnly(new Name("Master"),null);}62  63}...

Source:org.assertj.core.api.iterable.IterableAssert_extracting_Test-should_allow_extracting_single_values_using_extractor.java

...25import static org.assertj.core.api.Assertions.tuple;26import static org.assertj.core.test.ExpectedException.none;27import static org.assertj.core.util.Lists.newArrayList;28/**29 * Tests for <code>{@link AbstractIterableAssert#extracting(String)}</code> and30 * <code>{@link AbstractIterableAssert#extracting(String...)}</code>.31 * 32 * @author Joel Costigliola33 * @author Mateusz Haligowski34 */35public class IterableAssert_extracting_Test {36  private Employee yoda;37  private Employee luke;38  private Iterable<Employee> employees;39  private static final Extractor<Employee, String> firstName = new Extractor<Employee, String>() {40    @Override41    public String extract(Employee input) {42      return input.getName().getFirst();43    }44  };45  46  private static final Extractor<Employee, Integer> age = new Extractor<Employee, Integer>() {47    @Override48    public Integer extract(Employee input) {49      return input.getAge();50    }51  };52  53  @Before54  public void setUp() {55    yoda = new Employee(1L, new Name("Yoda"), 800);56    luke = new Employee(2L, new Name("Luke", "Skywalker"), 26);57    employees = newArrayList(yoda, luke);58  }59  @Rule60  public ExpectedException thrown = none();61  @Test public void should_allow_extracting_single_values_using_extractor() throws Exception{assertThat(employees).extracting(firstName).containsOnly("Yoda","Luke");assertThat(employees).extracting(age).containsOnly(26,800);}62  63}...

Source:org.assertj.core.api.iterable.IterableAssert_extractingResultOf_Test-should_allow_assertions_on_method_invocation_result_extracted_from_given_iterable.java

...23import org.junit.Test;24/**25 * Tests for: 26 * <ul>27 *  <li><code>{@link AbstractIterableAssert#extractingResultOf(String)}</code>,28 *  <li><code>{@link AbstractIterableAssert#extractingResultOf(String, Class)}</code>.29 * </ul>30 * 31 * @author MichaÅ Piotrkowski32 */33public class IterableAssert_extractingResultOf_Test {34  private static FluentJedi yoda;35  private static FluentJedi vader;36  private static Iterable<FluentJedi> jedis;37  @BeforeClass38  public static void setUpOnce() {39    yoda = new FluentJedi(new Name("Yoda"), 800, false);40    vader = new FluentJedi(new Name("Darth Vader"), 50 ,true);41    jedis = newArrayList(yoda, vader);42  }43  @Rule44  public ExpectedException thrown = none();45  @Test public void should_allow_assertions_on_method_invocation_result_extracted_from_given_iterable() throws Exception{assertThat(jedis).extractingResultOf("age").containsOnly(800,50);assertThat(jedis).extractingResultOf("darkSide").containsOnly(false,true);assertThat(jedis).extractingResultOf("name").containsOnly(new Name("Yoda"),new Name("Darth Vader"));assertThat(jedis).extractingResultOf("toString").containsOnly("Yoda","Darth Vader");}46  47}...

extracting

Using AI Code Generation

1package org.example;2import org.assertj.core.api.Assertions;3import java.util.ArrayList;4import java.util.List;5public class App {6    public static void main(String[] args) {7        List<String> list = new ArrayList<>();8        list.add("one");9        list.add("two");10        list.add("three");11        list.add("four");12        list.add("five");13        list.add("six");14        list.add("seven");15        list.add("eight");16        list.add("nine");17        list.add("ten");18        Assertions.assertThat(list).extracting("length").contains(3);19    }20}

extracting

Using AI Code Generation

1package org.example;2import java.util.ArrayList;3import java.util.List;4import org.assertj.core.api.Assertions;5public class App {6    public static void main(String[] args) {7        List<String> list = new ArrayList<>();8        list.add("a");9        list.add("b");10        list.add("c");11        list.add("d");12        list.add("e");13        Assertions.assertThat(list).extracting("length").contains(1);14    }15}16	at org.junit.Assert.assertEquals(Assert.java:115)17	at org.junit.Assert.assertEquals(Assert.java:144)18	at org.example.App.main(App.java:13)

extracting

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.IterableAssert;3import org.assertj.core.api.ListAssert;4import org.assertj.core.api.ObjectAssert;5import org.assertj.core.api.StringAssert;6import org.assertj.core.api.iterable.Extractor;7import org.assertj.core.util.Lists;8import org.junit.Test;9import java.util.List;10public class AssertJTest {11    public void testAssertJ() {12        List<String> list = Lists.newArrayList("one", "two", "three");13        IterableAssert<String> iterableAssert = Assertions.assertThat(list);14        IterableAssert<String> iterableAssert1 = iterableAssert.extracting(new Extractor<String, String>() {15            public String extract(String input) {16                return input;17            }18        });19        ListAssert<String> listAssert = iterableAssert1.asList();20        StringAssert stringAssert = listAssert.contains("one");21    }22}

extracting

Using AI Code Generation

1import java.util.Arrays;2import java.util.List;3import org.assertj.core.api.Assertions;4public class ExtractingMethod {5    public static void main(String[] args) {6        List<String> list = Arrays.asList("one", "two", "three");7        Assertions.assertThat(list).extracting(String::length).contains(3);8    }9}10org.assertj.core.api.Assertions.assertThat(Assertions.java:100) at ExtractingMethod.main(ExtractingMethod.java:9)11import java.util.Arrays;12import java.util.List;13import org.assertj.core.api.Assertions;14public class ExtractingMethod {15    public static void main(String[] args) {16        List<String> list = Arrays.asList("one", "two", "three");17        Assertions.assertThat(list).extracting(String::length).contains(3);18    }19}20org.assertj.core.api.Assertions.assertThat(Assertions.java:100) at ExtractingMethod.main(ExtractingMethod.java:9)21import java.util.Arrays;22import java.util.List;23import org.assertj.core.api.Assertions;24public class ExtractingMethod {25    public static void main(String[] args) {26        List<String> list = Arrays.asList("one", "two", "three");27        Assertions.assertThat(list).extracting(String::length).contains(3);28    }29}30org.assertj.core.api.Assertions.assertThat(Assertions.java:100) at ExtractingMethod.main(ExtractingMethod.java:9)31import java.util.Arrays;32import java.util.List;33import org.assertj.core.api.Assertions;34public class ExtractingMethod {35    public static void main(String[] args) {36        List<String> list = Arrays.asList("one", "two", "three");37        Assertions.assertThat(list).extracting(String::length).contains(3);38    }39}40org.assertj.core.api.Assertions.assertThat(Assertions.java:100) at ExtractingMethod.main(ExtractingMethod.java:9)41import java.util.Arrays;42import java.util.List;43import org.assertj.core.api.Assertions;

extracting

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.List;3import java.util.Arrays;4public class 1 {5    public static void main(String args[]) {6        List<String> list = Arrays.asList("a", "b", "c");7        assertThat(list).extracting("length").contains(1, 2, 3);8    }9}10import static org.assertj.core.api.Assertions.assertThat;11import java.util.List;12import java.util.Arrays;13public class 2 {14    public static void main(String args[]) {15        List<String> list = Arrays.asList("a", "b", "c");16        assertThat(list).extracting("length").contains(1, 2, 3);17    }18}19import static org.assertj.core.api.Assertions.assertThat;20import java.util.List;21import java.util.Arrays;22public class 3 {23    public static void main(String args[]) {24        List<String> list = Arrays.asList("a", "b", "c");25        assertThat(list).extracting("length").contains(1, 2, 3);26    }27}28import static org.assertj.core.api.Assertions.assertThat;29import java.util

extracting

Using AI Code Generation

1import java.util.ArrayList;2import java.util.Iterator;3import java.util.List;4import java.util.ListIterator;5import java.util.stream.Collectors;6import java.util.stream.Stream;7import org.assertj.core.api.Assertions;8import org.assertj.core.api.ListAssert;9public class Main {10    public static void main(String[] args) {11        List<String> list = new ArrayList<>();12        list.add("A");13        list.add("B");14        list.add("C");15        list.add("D");16        list.add("E");17        list.add("F");18        list.add("G");19        list.add("H");20        list.add("I");21        list.add("J");22        list.add("K");23        list.add("L");24        list.add("M");25        list.add("N");26        list.add("O");27        list.add("P");28        list.add("Q");29        list.add("R");30        list.add("S");31        list.add("T");32        list.add("U");33        list.add("V");34        list.add("W");35        list.add("X");36        list.add("Y");37        list.add("Z");38        ListAssert<String> listAssert = Assertions.assertThat(list);39        List<String> expectedList = new ArrayList<>();40        expectedList.add("A");41        expectedList.add("B");42        expectedList.add("C");43        expectedList.add("D");44        expectedList.add("E");45        expectedList.add("F");46        expectedList.add("G");47        expectedList.add("H");48        expectedList.add("I");49        expectedList.add("J");50        expectedList.add("K");51        expectedList.add("L");52        expectedList.add("M");53        expectedList.add("N");54        expectedList.add("O");55        expectedList.add("P");56        expectedList.add("Q");57        expectedList.add("R");58        expectedList.add("S");59        expectedList.add("T");60        expectedList.add("U");61        expectedList.add("V");62        expectedList.add("W");63        expectedList.add("X");64        expectedList.add("Y");65        expectedList.add("Z");66        listAssert.extracting(String::toString).containsOnlyElementsOf(expectedList);67    }68}

extracting

Using AI Code Generation

1public class 1 {2    public static void main(String[] args) {3        List<Person> persons = new ArrayList<>();4        persons.add(new Person("John", 30));5        persons.add(new Person("Jane", 25));6        persons.add(new Person("Adam", 40));7        persons.add(new Person("Tom", 45));8        assertThat(persons).extracting("name").containsOnly("John", "Jane", "Adam", "Tom");9    }10}11public class Person {12    private String name;13    private int age;14    public Person(String name, int age) {15        this.name = name;16        this.age = age;17    }18    public String getName() {19        return name;20    }21    public int getAge() {22        return age;23    }24}

extracting

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.ArrayList;3import java.util.List;4import org.junit.Test;5public class ExtractingMethod {6public void test() {7List<Developer> developers = new ArrayList<>();8developers.add(new Developer(1,"Java"));9developers.add(new Developer(2,"Scala"));10developers.add(new Developer(3,"Groovy"));11List<Object> ids = developers.stream().map(Developer::getId).collect(Collectors.toList());12List<Object> names = developers.stream().map(Developer::getName).collect(Collectors.toList());13assertThat(ids).contains(1,2,3);14assertThat(names).contains("Java","Scala","Groovy");15}16}17public class Developer {18private int id;19private String name;20public Developer(int id, String name) {21this.id = id;22this.name = name;23}24public int getId() {25return id;26}27public void setId(int id) {28this.id = id;29}30public String getName() {31return name;32}33public void setName(String name) {34this.name = name;35}36}

extracting

Using AI Code Generation

1import org.assertj.core.api.AbstractIterableAssert;2public class Extracting {3    public static void main(String[] args) {4        Iterable<String> iterable = Arrays.asList("A", "B", "C", "D");5        AbstractIterableAssert<?, ?, String, Object> abstractIterableAssert = new AbstractIterableAssert(iterable) {6        };7        abstractIterableAssert.extracting(String::charAt, atIndex(0)).contains('A');8    }9}10assertThat(iterable).extracting(String::charAt, atIndex(0)).contains('A');11assertThat(iterable).extracting(String::charAt, atIndex(0), atIndex(1)).contains('A', 'B');12assertThat(iterable).extracting(String::charAt, atIndex(0), atIndex(2)).contains('A', 'C');13assertThat(iterable).extracting(String::charAt, atIndex(0)).contains('A');14assertThat(iterable).extracting(String::charAt, atIndex(0), atIndex(1)).contains('A', 'B');15assertThat(iterable).extracting(String::charAt, atIndex(0), atIndex(2)).contains('A', 'C');16assertThat(iterable).extracting(String::charAt, atIndex(0)).contains('A');17assertThat(iterable).extracting(String::charAt, atIndex(0), atIndex(1)).contains('A', 'B');18assertThat(iterable).extracting(String::charAt, atIndex(0), atIndex(2)).contains('A', 'C');19assertThat(iterable).extracting(String::charAt, atIndex(0)).contains('A');20assertThat(iterable).extracting(String::charAt, atIndex(0), atIndex(1)).contains('A', 'B');21assertThat(iterable).extracting(String::charAt, atIndex(0), atIndex(2)).contains('A', 'C');

extracting

Using AI Code Generation

1import java.util.List;2import java.util.ArrayList;3import static org.assertj.core.api.Assertions.assertThat;4public class 1 {5    public static void main(String[] args) {6        List<Integer> numbers = new ArrayList<>();7        numbers.add(1);8        numbers.add(2);9        numbers.add(3);10        numbers.add(4);11        numbers.add(5);12        assertThat(numbers).extracting("first").contains(1);13    }14}15at org.assertj.core.error.ShouldContain.shouldContain(ShouldContain.java:57)16at org.assertj.core.internal.Failures.failure(Failures.java:86)17at org.assertj.core.internal.Failures.failure(Failures.java:73)18at org.assertj.core.internal.Failures.failure(Failures.java:69)19at org.assertj.core.internal.Iterables.assertContains(Iterables.java:151)20at org.assertj.core.api.AbstractIterableAssert.contains(AbstractIterableAssert.java:224)21at org.assertj.core.api.AbstractIterableAssert.contains(AbstractIterableAssert.java:44)22at 1.main(1.java:13)23import java.util.List;24import java.util.ArrayList;25import static org.assertj.core.api.Assertions.assertThat;26public class 2 {27    public static void main(String[] args) {28        List<Integer> numbers = new ArrayList<>();29        numbers.add(1);30        numbers.add(2);31        numbers.add(3);32        numbers.add(4);33        numbers.add(5);34        assertThat(numbers).extracting("second").contains(2);35    }36}

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