KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

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

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

Source:AbstractObjectArrayAssert.java

...2549   */2550  @CheckReturnValue2551  @SafeVarargs2552  public final AbstractListAssert<?, List<? extends Tuple>, Tuple, ObjectAssert<Tuple>> extracting(Function<? super ELEMENT, ?>... extractors) {2553    return extractingForProxy(extractors);2554  }2555  // This method is protected in order to be proxied for SoftAssertions / Assumptions.2556  // The public method for it (the one not ending with "ForProxy") is marked as final and annotated with @SafeVarargs2557  // in order to avoid compiler warning in user code2558  protected AbstractListAssert<?, List<? extends Tuple>, Tuple, ObjectAssert<Tuple>> extractingForProxy(Function<? super ELEMENT, ?>[] extractors) {2559    Function<ELEMENT, Tuple> tupleExtractor = objectToExtractValueFrom -> new Tuple(Stream.of(extractors)2560                                                                                          .map(extractor -> extractor.apply(objectToExtractValueFrom))2561                                                                                          .toArray());2562    List<Tuple> tuples = stream(actual).map(tupleExtractor).collect(toList());2563    return newListAssertInstance(tuples).withAssertionState(myself);2564  }2565  /**2566   * Extract the Iterable values from arrays elements under test by applying an Iterable extracting function on them2567   * and concatenating the result lists into an array which becomes the new object under test.2568   * <p>2569   * It allows testing the results of extracting values that are represented by Iterables.2570   * <p>2571   * For example:2572   * <pre><code class='java'> CartoonCharacter bart = new CartoonCharacter("Bart Simpson");...

Source:AbstractIterableAssert.java

...1838   */1839  @CheckReturnValue1840  @SafeVarargs1841  public final AbstractListAssert<?, List<? extends Tuple>, Tuple, ObjectAssert<Tuple>> extracting(Function<? super ELEMENT, ?>... extractors) {1842    return extractingForProxy(extractors);1843  }1844  // This method is protected in order to be proxied for SoftAssertions / Assumptions.1845  // The public method for it (the one not ending with "ForProxy") is marked as final and annotated with @SafeVarargs1846  // in order to avoid compiler warning in user code1847  protected AbstractListAssert<?, List<? extends Tuple>, Tuple, ObjectAssert<Tuple>> extractingForProxy(Function<? super ELEMENT, ?>[] extractors) {1848    if (actual == null) throwAssertionError(shouldNotBeNull());1849    // combine all extractors into one function1850    Function<ELEMENT, Tuple> tupleExtractor = objectToExtractValueFrom -> new Tuple(Stream.of(extractors)1851                                                                                          .map(extractor -> extractor.apply(objectToExtractValueFrom))1852                                                                                          .toArray());1853    List<Tuple> tuples = stream(actual.spliterator(), false).map(tupleExtractor).collect(toList());1854    return newListAssertInstanceForMethodsChangingElementType(tuples);1855  }1856  /**1857   * Use the given {@link Function}s to map the {@link Iterable}'s elements into a {@link List} of {@link Tuple}s1858   * (a simple data structure containing the mapped values), this new list becoming the object under test.1859   * <p>1860   * This allows you to test values from the {@link Iterable}'s elements instead of testing the elements themselves, which1861   * sometimes can be much less work!1862   * <p>1863   * The {@link Tuple} data correspond to the extracted values from the Iterable's elements, for instance if you pass functions1864   * mapping "id", "name" and "email" values then each {@code Tuple} data will be composed of an id, a name and an email1865   * mapped from the element of the initial Iterable (the Tuple's data order is the same as the given functions order).1866   * <p>1867   * Let's take a look at an example to make things clearer:1868   * <pre><code class='java'> // Build a list of TolkienCharacter, a TolkienCharacter has a name, and age and a Race (a specific class)1869   * // they can be public field or properties, both can be extracted.1870   * List&lt;TolkienCharacter&gt; fellowshipOfTheRing = new ArrayList&lt;TolkienCharacter&gt;();1871   *1872   * fellowshipOfTheRing.add(new TolkienCharacter(&quot;Frodo&quot;, 33, HOBBIT));1873   * fellowshipOfTheRing.add(new TolkienCharacter(&quot;Sam&quot;, 38, HOBBIT));1874   * fellowshipOfTheRing.add(new TolkienCharacter(&quot;Gandalf&quot;, 2020, MAIA));1875   * fellowshipOfTheRing.add(new TolkienCharacter(&quot;Legolas&quot;, 1000, ELF));1876   * fellowshipOfTheRing.add(new TolkienCharacter(&quot;Pippin&quot;, 28, HOBBIT));1877   * fellowshipOfTheRing.add(new TolkienCharacter(&quot;Gimli&quot;, 139, DWARF));1878   * fellowshipOfTheRing.add(new TolkienCharacter(&quot;Aragorn&quot;, 87, MAN);1879   * fellowshipOfTheRing.add(new TolkienCharacter(&quot;Boromir&quot;, 37, MAN));1880   *1881   * // let's verify 'name', 'age' and Race of some TolkienCharacter in fellowshipOfTheRing:1882   * assertThat(fellowshipOfTheRing).map(TolkienCharacter::getName,1883   *                                     character -&gt; character.getAge(),1884   *                                     TolkienCharacter::getRace)1885   *                                .containsOnly(tuple(&quot;Frodo&quot;, 33, HOBBIT),1886   *                                              tuple(&quot;Sam&quot;, 38, HOBBIT),1887   *                                              tuple(&quot;Gandalf&quot;, 2020, MAIA),1888   *                                              tuple(&quot;Legolas&quot;, 1000, ELF),1889   *                                              tuple(&quot;Pippin&quot;, 28, HOBBIT),1890   *                                              tuple(&quot;Gimli&quot;, 139, DWARF),1891   *                                              tuple(&quot;Aragorn&quot;, 87, MAN),1892   *                                              tuple(&quot;Boromir&quot;, 37, MAN));</code></pre>1893   * You can use lambda expression or a method reference to extract the expected values.1894   * <p>1895   * Use {@link Tuple#tuple(Object...)} to initialize the expected values.1896   * <p>1897   * Note that the order of the extracted tuples list is consistent with the iteration order of the Iterable under test,1898   * for example if it's a {@link HashSet}, you won't be able to make any assumptions on the extracted tuples order.1899   *1900   * @param mappers the mapper functions to extract a value from an element of the Iterable under test.1901   * @return a new assertion object whose object under test is the list of Tuples containing the extracted values.1902   * @since 3.19.01903   */1904  @CheckReturnValue1905  @SafeVarargs1906  public final AbstractListAssert<?, List<? extends Tuple>, Tuple, ObjectAssert<Tuple>> map(Function<? super ELEMENT, ?>... mappers) {1907    return extractingForProxy(mappers);1908  }1909  /**1910   * Extract the given property/field values from each {@code Iterable}'s element and1911   * flatten the extracted values in a list that is used as the new object under test.1912   * <p>1913   * Given 2 properties, if the extracted values were not flattened, instead having a simple list like:1914   * <pre>  element1.value1, element1.value2, element2.value1, element2.value2, ...  </pre>1915   * ... we would get a list of list:1916   * <pre>  list(element1.value1, element1.value2), list(element2.value1, element2.value2), ...  </pre>1917   * <p>1918   * Example:1919   * <pre><code class='java'> // fellowshipOfTheRing is a List&lt;TolkienCharacter&gt;1920   *1921   * // values are extracted in order and flattened: age1, name1, age2, name2, age3 ......

extractingForProxy

Using AI Code Generation

1import org.junit.Test;2import org.junit.runner.RunWith;3import org.mockito.runners.MockitoJUnitRunner;4import java.util.Arrays;5import java.util.List;6import static org.assertj.core.api.Assertions.assertThat;7@RunWith(MockitoJUnitRunner.class)8public class MockitoTest {9    public void test() {10        List<String> list = Arrays.asList("a", "b", "c");11        assertThat(list).extractingForProxy("length").containsOnly(1, 1, 1);12    }13}

extractingForProxy

Using AI Code Generation

1package org.assertj.core.api;2import java.util.Collection;3import java.util.function.Consumer;4public abstract class AbstractIterableAssert<SELF extends AbstractIterableAssert<SELF, ACTUAL, ELEMENT>, ACTUAL extends Iterable<? extends ELEMENT>, ELEMENT> extends AbstractAssert<SELF, ACTUAL> {5    protected AbstractIterableAssert(ACTUAL actual, Class<?> selfType) {6        super(actual, selfType);7    }8    public SELF extractingForProxy(Consumer<ELEMENT>... extractors) {9        return null;10    }11}12package org.assertj.core.api;13import java.util.Collection;14import java.util.function.Consumer;15public abstract class AbstractListAssert<SELF extends AbstractListAssert<SELF, ACTUAL, ELEMENT>, ACTUAL extends java.util.List<? extends ELEMENT>, ELEMENT> extends AbstractIterableAssert<SELF, ACTUAL, ELEMENT> {16    protected AbstractListAssert(ACTUAL actual, Class<?> selfType) {17        super(actual, selfType);18    }19}20package org.assertj.core.api;21import java.util.Collection;22import java.util.function.Consumer;23public abstract class AbstractListAssert<SELF extends AbstractListAssert<SELF, ACTUAL, ELEMENT>, ACTUAL extends java.util.List<? extends ELEMENT>, ELEMENT> extends AbstractIterableAssert<SELF, ACTUAL, ELEMENT> {24    protected AbstractListAssert(ACTUAL actual, Class<?> selfType) {25        super(actual, selfType);26    }27}28package org.assertj.core.api;29import java.util.Collection;30import java.util.function.Consumer;31public abstract class AbstractAssert<SELF extends AbstractAssert<SELF, ACTUAL>, ACTUAL> {32    protected AbstractAssert(ACTUAL actual, Class<?> selfType) {33    }34}35package org.assertj.core.api;36import java.util.Collection;37import java.util.function.Consumer;38public abstract class AbstractIterableAssert<SELF extends AbstractIterableAssert<SELF, ACTUAL, ELEMENT>, ACTUAL extends Iterable<? extends ELEMENT>, ELEMENT> extends AbstractAssert<SELF, ACTUAL> {39    protected AbstractIterableAssert(ACTUAL actual, Class<?> selfType) {40        super(actual, selfType);41    }42}43package org.assertj.core.api;44import java.util.Collection;45import java.util.function.Consumer;

extractingForProxy

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.List;3import java.util.ArrayList;4public class ExtractingForProxy {5    public static void main(String[] args) {6        List<Person> persons = new ArrayList<>();7        persons.add(new Person("John", 30));8        persons.add(new Person("Jane", 35));9        persons.add(new Person("Adam", 40));10        persons.add(new Person("Adam", 45));11        assertThat(persons).extractingForProxy("name", String.class).contains("John", "Jane");12    }13}14public class Person {15    private String name;16    private int age;17    public Person(String name, int age) {18        this.name = name;19        this.age = age;20    }21    public String getName() {22        return name;23    }24    public void setName(String name) {25        this.name = name;26    }27    public int getAge() {28        return age;29    }30    public void setAge(int age) {31        this.age = age;32    }33}34[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ AssertJ ---35[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ AssertJ ---36[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ AssertJ ---37[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ AssertJ ---

extractingForProxy

Using AI Code Generation

1package org.assertj.core.api.iterable;2import java.util.List;3import java.util.ArrayList;4import org.assertj.core.api.AbstractIterableAssert;5import org.assertj.core.api.Assertions;6import org.assertj.core.api.iterable.Extractor;7import org.assertj.core.api.iterable.Extractors;8public class IterableAssert_extractingForProxy_Test {9    public static void main(String[] args) {10        List<Animal> animals = new ArrayList<>();11        animals.add(new Animal("Dog", 4));12        animals.add(new Animal("Cat", 4));13        animals.add(new Animal("Horse", 4));14        AbstractIterableAssert<?, List<?>, Object, ObjectAssert<Object>> result = Assertions.assertThat(animals).extractingForProxy(Extractors.byName(), Extractors.byLegs());15        List<List<Object>> list = result.extractingForProxy(Extractors.byName(), Extractors.byLegs()).asList();16        System.out.println(list);17    }18    static class Animal {19        String name;20        int legs;21        public Animal(String name, int legs) {22            this.name = name;23            this.legs = legs;24        }25        public String getName() {26            return name;27        }28        public int getLegs() {29            return legs;30        }31    }32    static class ObjectAssert<T> extends AbstractObjectAssert<ObjectAssert<T>, T> {33        ObjectAssert(T actual) {34            super(actual, ObjectAssert.class);35        }36    }37}

extractingForProxy

Using AI Code Generation

1import org.assertj.core.api.AbstractIterableAssert;2public class ExtractingForProxy {3	public static void main(String[] args) {4		AbstractIterableAssert<?, ?, ?> abstractIterableAssert;5		abstractIterableAssert.extractingForProxy("a", "b", "c");6	}7}8import org.assertj.core.api.AbstractObjectArrayAssert;9public class ExtractingForProxy {10	public static void main(String[] args) {11		AbstractObjectArrayAssert<?, ?> abstractObjectArrayAssert;12		abstractObjectArrayAssert.extractingForProxy("a", "b", "c");13	}14}15import org.assertj.core.api.AbstractCharSequenceAssert;16public class ExtractingForProxy {17	public static void main(String[] args) {18		AbstractCharSequenceAssert<?, ?> abstractCharSequenceAssert;19		abstractCharSequenceAssert.extractingForProxy("a", "b", "c");20	}21}22import org.assertj.core.api.AbstractMapAssert;23public class ExtractingForProxy {24	public static void main(String[] args) {25		AbstractMapAssert<?, ?> abstractMapAssert;26		abstractMapAssert.extractingForProxy("a", "b", "c");27	}28}29import org.assertj.core.api.AbstractMapAssert;30public class ExtractingForProxy {31	public static void main(String[] args) {32		AbstractMapAssert<?, ?> abstractMapAssert;33		abstractMapAssert.extractingForProxy("a", "b", "c");34	}35}36import org.assertj.core.api.AbstractMapAssert;37public class ExtractingForProxy {38	public static void main(String[] args) {39		AbstractMapAssert<?, ?> abstractMapAssert;40		abstractMapAssert.extractingForProxy("a", "b", "c");41	}42}

extractingForProxy

Using AI Code Generation

1import org.assertj.core.api.*;2import java.util.*;3public class AssertJAssertIterableExtractingForProxy {4   public static void main(String[] args) {5      List<String> list = Arrays.asList("one", "two", "three");6      AbstractIterableAssert<?, List<? extends String>, String, ObjectAssert<String>> assert1;7      assert1 = Assertions.assertThat(list);8      IterableAssert<String> assert2;9      assert2 = assert1.extractingForProxy("toString");10      assert2.contains("one");11      System.out.println("IterableAssert object created: " + assert2);12   }13}

extractingForProxy

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.*;3import java.util.stream.*;4import java.util.function.*;5import java.util.concurrent.*;6import java.util.regex.*;7import java.util.function.*;8import java.util.stream.*;9import java.util.concurrent.*;10import java.util.regex.*;11import java.util.function.*;12import java.util.stream.*;13import java.util.concurrent.*;14import java.util.regex.*;15public class 1 {16    public static void main(String[] args) {17        List<String> list = Arrays.asList("a", "b", "c");18        assertThat(list).extractingForProxy("length").contains(1, 2, 3);19    }20}21import static org.assertj.core.api.Assertions.assertThat;22import java.util.*;23import java.util.stream.*;24import java.util.function.*;25import java.util.concurrent.*;26import java.util.regex.*;27import java.util.function.*;28import java.util.stream.*;29import java.util.concurrent.*;30import java.util.regex.*;31import java.util.function.*;32import java.util.stream.*;33import java.util.concurrent.*;34import java.util.regex.*;35public class 2 {36    public static void main(String[] args) {37        List<String> list = Arrays.asList("a", "b", "c");38        assertThat(list).extractingForProxy("length").contains(1, 2, 3);39    }40}41import static org.assertj.core.api.Assertions.assertThat;42import java.util.*;43import java.util.stream.*;44import java.util.function.*;45import java.util.concurrent.*;46import java.util.regex.*;47import java.util.function.*;48import java.util.stream.*;49import java.util.concurrent.*;50import java.util.regex.*;51import java.util.function.*;52import java.util.stream.*;53import java.util.concurrent.*;54import java.util.regex.*;55public class 3 {56    public static void main(String[] args) {57        List<String> list = Arrays.asList("a", "b", "c");58        assertThat(list).extractingForProxy("length").contains(1, 2, 3);59    }60}61import static org.assertj.core.api.Assertions.assertThat;62import java.util.*;63import java.util.stream.*;64import java.util.function.*;65import java.util.concurrent.*;66import java.util.regex.*;67import java.util

extractingForProxy

Using AI Code Generation

1public class ExtractingForProxy {2    public static void main(String[] args) {3        List<Animal> animals = new ArrayList<>();4        animals.add(new Animal("cat", 4));5        animals.add(new Animal("dog", 4));6        animals.add(new Animal("elephant", 4));7        animals.add(new Animal("lion", 4));8        Assertions.assertThat(animals).extractingForProxy("name").contains("cat", "dog", "elephant", "lion");9        Assertions.assertThat(animals).extractingForProxy("legs").contains(4, 4, 4, 4);10    }11}12public class Animal {13    private String name;14    private int legs;15    public Animal(String name, int legs) {16        this.name = name;17        this.legs = legs;18    }19    public String getName() {20        return name;21    }22    public int getLegs() {23        return legs;24    }25}

extractingForProxy

Using AI Code Generation

1import java.util.List;2import java.util.Arrays;3import org.assertj.core.api.Assertions;4import org.assertj.core.api.AbstractIterableAssert;5public class 1 {6    public static void main(String[] args) {7        List<Integer> list = Arrays.asList(1, 2, 3, 4, 5, 6);8        List<Integer> extracted = AbstractIterableAssert.extractingForProxy(list, "intValue");9        Assertions.assertThat(extracted).containsExactly(1, 2, 3, 4, 5, 6);10    }11}

extractingForProxy

Using AI Code Generation

1package org.asserts;2import java.util.List;3import org.assertj.core.api.AbstractIterableAssert;4import org.assertj.core.api.Assertions;5public class Asserts {6	public static void main(String[] args) {7		Iterable<String> iterable = List.of("foo", "bar");8		List<String> extracted = Assertions.assertThat(iterable).extractingForProxy(String.class).extracted();9		System.out.println(extracted);10	}11}12How to use extracting() method of AbstractIterableAssert class in AssertJ?13How to use extracting() method of AbstractObjectArrayAssert class in AssertJ?14How to use extracting() method of AbstractObjectAssert class in AssertJ?15How to use extracting() method of AbstractMapAssert class in AssertJ?16How to use extracting() method of AbstractCharSequenceAssert class in AssertJ?17How to use extracting() method of AbstractComparableAssert class in AssertJ?18How to use extracting() method

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.