Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

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

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

Source:IterableAssert_extractingResultOf_Test.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  @Test46  public void should_allow_assertions_on_method_invocation_result_extracted_from_given_iterable() throws Exception {47    48    // extract method result49    assertThat(jedis).extractingResultOf("age").containsOnly(800, 50);50    // extract if method result is primitive51    assertThat(jedis).extractingResultOf("darkSide").containsOnly(false, true);52    // extract if method result is also a property53    assertThat(jedis).extractingResultOf("name").containsOnly(new Name("Yoda"), new Name("Darth Vader"));54    // extract toString method result55    assertThat(jedis).extractingResultOf("toString").containsOnly("Yoda", "Darth Vader");56  }57  @Test58  public void should_allow_assertions_on_method_invocation_result_extracted_from_given_iterable_with_enforcing_return_type() throws Exception {59    60    assertThat(jedis).extractingResultOf("name", Name.class).containsOnly(new Name("Yoda"), new Name("Darth Vader"));61  }62  @Test63  public void should_throw_error_if_no_method_with_given_name_can_be_extracted() throws Exception {64    thrown.expect(IllegalArgumentException.class);65    thrown.expectMessage("Can't find method 'unknown' in class FluentJedi.class. Make sure public method exists and accepts no arguments!");66    assertThat(jedis).extractingResultOf("unknown");67  }68  69}

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}...

extractingResultOf

Using AI Code Generation

1import org.assertj.core.api.AbstractIterableAssert;2import org.assertj.core.api.Assertions;3import org.assertj.core.api.IterableAssert;4import org.assertj.core.api.ListAssert;5import org.assertj.core.data.Index;6import org.assertj.core.util.Lists;7import org.assertj.core.util.introspection.IntrospectionError;8import java.util.List;9import java.util.function.BiConsumer;10import java.util.function.Function;11import java.util.function.Predicate;12import java.util.function.Supplier;13import java.util.stream.Stream;14public class Main {15    public static void main(String[] args) {16        List<String> list = Lists.list("foo", "bar", "baz");17        ListAssert<String> listAssert = Assertions.assertThat(list);18        ListAssert<String> result = listAssert.extractingResultOf("toString");19        System.out.println(result);20    }21}22import org.assertj.core.api.AbstractObjectArrayAssert;23import org.assertj.core.api.Assertions;24import org.assertj.core.api.ObjectArrayAssert;25import org.assertj.core.api.ObjectAssert;26import org.assertj.core.data.Index;27import org.assertj.core.util.Lists;28import org.assertj.core.util.introspection.IntrospectionError;29import java.util.List;30import java.util.function.BiConsumer;31import java.util.function.Function;32import java.util.function.Predicate;33import java.util.function.Supplier;34import java.util.stream.Stream;35public class Main {36    public static void main(String[] args) {37        String[] array = {"foo", "bar", "baz"};38        ObjectArrayAssert<String> arrayAssert = Assertions.assertThat(array);39        ObjectArrayAssert<String> result = arrayAssert.extractingResultOf("toString");40        System.out.println(result);41    }42}43import org.assertj.core.api.AbstractObjectAssert;44import org.assertj.core.api.Assertions;45import org.assertj.core.api.ObjectAssert;46import org.assertj.core.data.Index;47import org.assertj.core.util.Lists;48import org.assertj.core.util.introspection.IntrospectionError;49import java.util.List;50import java.util.function.BiConsumer;51import java.util.function.Function;52import java.util.function.Predicate;53import java.util.function.Supplier;54import java.util.stream.Stream;55public class Main {56    public static void main(String[] args) {57        String str = "foo";

extractingResultOf

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.ArrayList;3import java.util.List;4public class ExtractingResultOf {5	public static void main(String[] args) {6		List<Person> list = new ArrayList<>();7		list.add(new Person("John", 25));8		list.add(new Person("Jane", 23));9		assertThat(list).extractingResultOf("getName").contains("John", "Jane");10	}11}12import static org.assertj.core.api.Assertions.assertThat;13import java.util.ArrayList;14import java.util.List;15public class Extracting {16	public static void main(String[] args) {17		List<Person> list = new ArrayList<>();18		list.add(new Person("John", 25));19		list.add(new Person("Jane", 23));20		assertThat(list).extracting("name", "age").containsOnly(tuple("John", 25), tuple("Jane", 23));21	}22}23import static org.assertj.core.api.Assertions.assertThat;24import java.util.ArrayList;25import java.util.List;26public class Extracting {27	public static void main(String[] args) {28		List<Person> list = new ArrayList<>();29		list.add(new Person("John", 25));30		list.add(new Person("Jane", 23));31		assertThat(list).extracting("name", "age").containsOnly(tuple("John", 25), tuple("Jane", 23));32	}33}34import static org.assertj.core.api.Assertions.assertThat;35import java.util.ArrayList;36import java.util.List;37public class Extracting {38	public static void main(String[] args) {39		List<Person> list = new ArrayList<>();40		list.add(new Person("John", 25));41		list.add(new Person("Jane", 23));42		assertThat(list).extracting("name", "age").containsOnly(tuple("John", 25), tuple("Jane", 23));43	}44}45import static org.assertj.core.api.Assertions.assertThat;46import java.util.ArrayList;47import java.util.List;48public class Extracting {49	public static void main(String[] args) {

extractingResultOf

Using AI Code Generation

1package org.example;2import org.assertj.core.api.Assertions;3import org.junit.jupiter.api.Test;4import java.util.List;5import java.util.stream.Collectors;6import java.util.stream.Stream;7public class AppTest {8    public void test() {9        List<String> list = Stream.of("a", "b", "c").collect(Collectors.toList());10        Assertions.assertThat(list).extractingResultOf("toUpperCase").contains("A", "B", "C");11    }12}

extractingResultOf

Using AI Code Generation

1import org.assertj.core.api.AbstractIterableAssert;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.mockito.junit.MockitoJUnitRunner;5import java.util.Arrays;6import java.util.List;7import static org.assertj.core.api.Assertions.assertThat;8import static org.assertj.core.api.Assertions.extractingResultOf;9import static org.assertj.core.api.Assertions.tuple;10@RunWith(MockitoJUnitRunner.class)11public class ExtractingResultOf {12    public void testExtractingResultOf() {13        List<Person> people = Arrays.asList(new Person("John", 20), new Person("Jane", 12));14        assertThat(people).extractingResultOf("getName").contains("John", "Jane");15    }16}17import org.assertj.core.api.AbstractIterableAssert;18import org.junit.Test;19import org.junit.runner.RunWith;20import org.mockito.junit.MockitoJUnitRunner;21import java.util.Arrays;22import java.util.List;23import static org.assertj.core.api.Assertions.assertThat;24import static org.assertj.core.api.Assertions.extractingResultOf;25import static org.assertj.core.api.Assertions.tuple;26@RunWith(MockitoJUnitRunner.class)27public class ExtractingResultOf {28    public void testExtractingResultOf() {29        List<Person> people = Arrays.asList(new Person("John", 20), new Person("Jane", 12));30        assertThat(people).extractingResultOf("getName").contains("John", "Jane");31    }32}33import org.assertj.core.api.AbstractIterableAssert;34import org.junit.Test;35import org.junit.runner.RunWith;36import org.mockito.junit.MockitoJUnitRunner;37import java.util.Arrays;38import java.util.List;39import static org.assertj.core.api.Assertions.assertThat;40import static org.assertj.core.api.Assertions.extractingResultOf;41import static org.assertj.core.api.Assertions.tuple;42@RunWith(MockitoJUnitRunner.class)43public class ExtractingResultOf {44    public void testExtractingResultOf() {45        List<Person> people = Arrays.asList(new Person("John", 20), new Person("Jane", 12));46        assertThat(people).extractingResultOf("getName").contains("John", "Jane");47    }48}49import org.assertj.core.api.AbstractIterableAssert;50import org.junit.Test;51import org.junit.runner

extractingResultOf

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3import java.util.ArrayList;4import java.util.List;5public class ExtractingResultOf {6    public void test() {7        List<Country> countries = new ArrayList<>();8        countries.add(new Country("India", 100));9        countries.add(new Country("USA", 200));10        countries.add(new Country("UK", 300));11        countries.add(new Country("France", 400));12        countries.add(new Country("Germany", 500));13        Assertions.assertThat(countries)14                .extractingResultOf("getName")15                .contains("India", "UK", "Germany", "France", "USA");16    }17}18public class Country {19    private String name;20    private int population;21    public Country(String name, int population) {22        this.name = name;23        this.population = population;24    }25    public String getName() {26        return name;27    }28    public int getPopulation() {29        return population;30    }31}

extractingResultOf

Using AI Code Generation

1public static void main(String[] args) {2    List<String> list = Arrays.asList("foo", "bar");3    assertThat(list).extractingResultOf("length").contains(3);4}5public static void main(String[] args) {6    String[] array = {"foo", "bar"};7    assertThat(array).extractingResultOf("length").contains(3);8}9public static void main(String[] args) {10    Map<String, String> map = new HashMap<>();11    map.put("foo", "bar");12    assertThat(map).extractingResultOf("get", "foo").contains("bar");13}14public static void main(String[] args) {15    List<String> list = Arrays.asList("foo", "bar");16    assertThat(list).extractingResultOf("length", Integer.class).contains(3);17}18public static void main(String[] args) {19    String[] array = {"foo", "bar"};20    assertThat(array).extractingResultOf("length", Integer.class).contains(3);21}22public static void main(String[] args) {23    Map<String, String> map = new HashMap<>();24    map.put("foo", "bar");25    assertThat(map).extractingResultOf("get", String.class, "foo").contains("bar");26}27public static void main(String[] args) {28    List<String> list = Arrays.asList("foo", "bar");29    assertThat(list).extractingResultOf("length", as(InstanceOfAssertFactories.INTEGER)).contains(3);30}31public static void main(String[] args) {32    String[] array = {"foo", "

extractingResultOf

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.Arrays;3import java.util.List;4public class ExtractingResultOfMethodExample {5    public static void main(String[] args) {6        List<Developer> developers = Arrays.asList(7                new Developer("Lokesh", "Gupta", "Java Developer", 10000),8                new Developer("Alex", "Gussin", "Scala Developer", 20000),9                new Developer("Brian", "Clooney", "Groovy Developer", 30000),10                new Developer("Jack", "Reacher", "C++ Developer", 40000),11                new Developer("David", "Miller", "Python Developer", 50000)12        );13        assertThat(developers).extractingResultOf("getFirstName").contains("David");14    }15}16import static org.assertj.core.api.Assertions.assertThat;17import java.util.Arrays;18import java.util.List;19public class ExtractingResultOfMethodExample {20    public static void main(String[] args) {21        List<Developer> developers = Arrays.asList(22                new Developer("Lokesh", "Gupta", "Java Developer", 10000),23                new Developer("Alex", "Gussin", "Scala Developer", 20000),24                new Developer("Brian", "Clooney", "Groovy Developer", 30000),25                new Developer("Jack", "Reacher", "C++ Developer", 40000),26                new Developer("David", "Miller", "Python Developer", 50000)27        );28        assertThat(developers).extractingResultOf("getFirstName", "getLastName").contains("David", "Miller");29    }30}31import static org.assertj.core.api.Assertions.assertThat;32import java.util.Arrays;33import java.util.List;34public class ExtractingResultOfMethodExample {35    public static void main(String[] args) {36        List<Developer> developers = Arrays.asList(

extractingResultOf

Using AI Code Generation

1import org.assertj.core.api.*;2import java.util.*;3import java.util.stream.*;4import java.util.function.*;5public class ExtractingResultOf {6  public static void main(String[] args) {7    ArrayList<Integer> list = new ArrayList<Integer>();8    list.add(2);9    list.add(3);10    list.add(4);11    list.add(5);12    Assertions.assertThat(list);13    assertObject.extractingResultOf("intValue").contains(2);14    System.out.println("Iterable contains the given element");15    assertObject.extractingResultOf("intValue").contains(3);16    System.out.println("Iterable contains the given element");17  }18}

extractingResultOf

Using AI Code Generation

1package org.example;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.Assertions.*;4class AppTest {5    void shouldExtractResultOf() {6        assertThat(new String[] {"a", "b", "c"}).extractingResultOf(String::toUpperCase)7                .contains("A", "B", "C");8    }9}10package org.example;11import org.junit.jupiter.api.Test;12import static org.assertj.core.api.Assertions.*;13class AppTest {14    void shouldExtractResultOf() {15        assertThat(new String[] {"a", "b", "c"}).extractingResultOf(String::toUpperCase)16                .contains("A", "B", "C");17    }18}19package org.example;20import org.junit.jupiter.api.Test;21import static org.assertj.core.api.Assertions.*;22class AppTest {23    void shouldExtractResultOf() {24        assertThat(new String[] {"a", "b", "c"}).extractingResultOf(String::toUpperCase)25                .contains("A", "B", "C");26    }27}28package org.example;29import org.junit.jupiter.api.Test;30import static org.assertj.core.api.Assertions.*;31class AppTest {32    void shouldExtractResultOf() {33        assertThat(new String[] {"a", "b", "c"}).extractingResultOf(String::toUpperCase)34                .contains("A", "B", "C");35    }36}37package org.example;38import org.junit.jupiter.api.Test;39import static org.assertj.core.api.Assertions.*;40class AppTest {41    void shouldExtractResultOf() {42        assertThat(new String[] {"a", "b", "c"}).extractingResultOf(String::toUpperCase)43                .contains("A", "B", "C");44    }45}46package org.example;47import org.junit.jupiter

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.