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.AbstractObjectArrayAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractObjectArrayAssert.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.assertj.core.api.AbstractObjectArrayAssert;2import org.assertj.core.api.ObjectArrayAssert;3import org.assertj.core.api.ObjectArrayAssertBaseTest;4public class ObjectArrayAssert_extractingForProxy_Test extends ObjectArrayAssertBaseTest {5	protected ObjectArrayAssert<Object> invoke_api_method() {6		return assertions.extractingForProxy("name", "age");7	}8	protected void verify_internal_effects() {9		verify(objects).assertIsInstanceOf(getInfo(assertions), getActual(assertions), Object[].class);10		verify(objects).assertIsNotNull(getInfo(assertions), getActual(assertions));11		verify(objects).assertHasSize(getInfo(assertions), getActual(assertions), 2);12		verify(objects).assertIsNotNull(getInfo(assertions), getActual(assertions)[0]);13		verify(objects).assertIsNotNull(getInfo(assertions), getActual(assertions)[1]);14		verify(objects).assertHasFieldOrProperty(getInfo(assertions), getActual(assertions)[0], "name");15		verify(objects).assertHasFieldOrProperty(getInfo(assertions), getActual(assertions)[1], "age");16		verify(objects).assertHasFieldOrProperty(getInfo(assertions), getActual(assertions)[0], "name");17		verify(objects).assertHasFieldOrProperty(getInfo(assertions), getActual(assertions)[1], "age");18		verify(objects).assertHasFieldOrProperty(getInfo(assertions), getActual(assertions)[0], "name");19		verify(objects).assertHasFieldOrProperty(getInfo(assertions), getActual(assertions)[1], "age");20	}21	protected ObjectArrayAssert<Object> getAssert() {22		return new ObjectArrayAssert<>(new Object[] { new Person("John", 30), new Person("Jane", 40) });23	}24	private static class Person {25		private String name;26		private int age;27		public Person(String name, int age) {28			this.name = name;29			this.age = age;30		}31		public String getName() {32			return name;33		}34		public int getAge() {35			return age;36		}37	}38}

extractingForProxy

Using AI Code Generation

1public class AssertionDemo {2    public static void main(String[] args) {3        String[] array = {"a", "b", "c"};4        assertThat(array).extractingForProxy("length").containsExactly(1, 1, 1);5    }6}7Exception in thread "main" java.lang.NoSuchMethodError: org.assertj.core.api.AbstractObjectArrayAssert.extractingForProxy(Ljava/lang/String;)Lorg/assertj/core/api/ObjectArrayAssert;8	at AssertionDemo.main(AssertionDemo.java:6)

extractingForProxy

Using AI Code Generation

1public class Test1 {2    public static void main(String[] args) {3        String[] s = {"a", "b", "c"};4        assertThat(s).extractingForProxy("length").contains(1);5    }6}7public class Test2 {8    public static void main(String[] args) {9        List<String> list = new ArrayList<>();10        list.add("a");11        list.add("b");12        list.add("c");13        assertThat(list).extractingForProxy("length").contains(1);14    }15}16public class Test3 {17    public static void main(String[] args) {18        Iterable<String> iterable = new ArrayList<>();19        ((ArrayList<String>) iterable).add("a");20        ((ArrayList<String>) iterable).add("b");21        ((ArrayList<String>) iterable).add("c");22        assertThat(iterable).extractingForProxy("length").contains(1);23    }24}25public class Test4 {26    public static void main(String[] args) {27        String[] s = {"a", "b", "c"};28        assertThat(s).extractingForProxy("length").contains(1);29    }30}31public class Test5 {32    public static void main(String[] args) {33        String[] s = {"a", "b", "c"};34        assertThat(s).extractingForProxy("length").contains(1);35    }36}37public class Test6 {38    public static void main(String[] args) {39        String[] s = {"a", "b", "c"};40        assertThat(s).extractingForProxy("length").contains(1);41    }42}43public class Test7 {44    public static void main(String[] args) {

extractingForProxy

Using AI Code Generation

1import org.assertj.core.api.*;2public class ExtractingForProxy {3    public static void main(String[] args) {4        Object[] arr = {"one", "two", "three"};5        AbstractObjectArrayAssert<?, Object[]> objectArrayAssert = Assertions.assertThat(arr);6        AbstractObjectAssert<?, Object> objectAssert = objectArrayAssert.extractingForProxy("toString");7        objectAssert.isEqualTo("one");8    }9}10at ExtractingForProxy.main(ExtractingForProxy.java:11)

extractingForProxy

Using AI Code Generation

1public class AssertjTest {2    public static void main(String[] args) {3        String[] array = {"a", "b"};4        Object[] result = Assertions.assertThat(array).extractingForProxy("toString").toArray();5        System.out.println(result[0]);6    }7}8public class AssertjTest {9    public static void main(String[] args) {10        List<String> list = Arrays.asList("a", "b");11        List<String> result = Assertions.assertThat(list).extracting("toString").toList();12        System.out.println(result.get(0));13    }14}15public class AssertjTest {16    public static void main(String[] args) {17        Map<String, String> map = new HashMap<>();18        map.put("a", "1");19        map.put("b", "2");20        List<String> result = Assertions.assertThat(map).extracting("toString").toList();21        System.out.println(result.get(0));22    }23}24public class AssertjTest {25    public static void main(String[] args) {26        String[] array = {"a", "b"};27        List<String> result = Assertions.assertThat(array).extracting("toString").toList();28        System.out.println(result.get(0));29    }30}31public class AssertjTest {32    public static void main(String[] args) {33        Optional<String> optional = Optional.of("a");34        String result = Assertions.assertThat(optional).extracting("toString").toString();35        System.out.println(result);36    }37}

extractingForProxy

Using AI Code Generation

1public class AssertJExample {2    public static void main(String[] args) {3        String[] names = {"John", "Mary", "Bob"};4        Assertions.assertThat(names).extractingForProxy("length").containsExactly(4, 4, 3);5    }6}7public class AssertJExampleTest {8    public void testAssertJ() {9        String[] names = {"John", "Mary", "Bob"};10        Assertions.assertThat(names).extractingForProxy("length").containsExactly(4, 4, 3);11    }12}

extractingForProxy

Using AI Code Generation

1public class 1 {2public static void main(String[] args) {3AbstractObjectArrayAssert<?, ?> obj = Assertions.assertThat(new Object[] {});4Object[] obj1 = obj.extractingForProxy(new Function<Object, Object>() {5public Object apply(Object t) {6return null;7}8});9}10}11public class 2 {12public static void main(String[] args) {13AbstractObjectArrayAssert<?, ?> obj = Assertions.assertThat(new Object[] {});14Object[] obj1 = obj.extractingForProxy(new Function<Object, Object>() {15public Object apply(Object t) {16return null;17}18});19}20}21public class 3 {22public static void main(String[] args) {23AbstractObjectArrayAssert<?, ?> obj = Assertions.assertThat(new Object[] {});24Object[] obj1 = obj.extractingForProxy(new Function<Object, Object>() {25public Object apply(Object t) {26return null;27}28});29}30}31public class 4 {32public static void main(String[] args) {33AbstractObjectArrayAssert<?, ?> obj = Assertions.assertThat(new Object[] {});34Object[] obj1 = obj.extractingForProxy(new Function<Object, Object>() {35public Object apply(Object t) {36return null;37}38});39}40}41public class 5 {42public static void main(String[] args) {43AbstractObjectArrayAssert<?, ?> obj = Assertions.assertThat(new Object[] {});44Object[] obj1 = obj.extractingForProxy(new Function<Object, Object>() {45public Object apply(Object t) {46return null;47}48});49}50}51public class 6 {52public static void main(String[] args) {53AbstractObjectArrayAssert<?, ?> obj = Assertions.assertThat(new Object[] {});54Object[] obj1 = obj.extractingForProxy(new Function<Object, Object>() {55public Object apply(Object t) {56return null;57}58});59}60}

extractingForProxy

Using AI Code Generation

1package org.assertj.core.api.objectarray;2import static org.assertj.core.api.Assertions.assertThat;3import org.junit.Test;4public class ObjectArrayAssert_extractingForProxy_Test {5    public void test_extractingForProxy() {6        final Object[] objectArray = new Object[] { "hello", "world" };7        final Object result = assertThat(objectArray).extractingForProxy("length").isEqualTo(5);8        assertThat(result).isEqualTo("hello");9    }10}

extractingForProxy

Using AI Code Generation

1public class 1 {2    public static void main(String[] args) {3        Object[][] arr = new Object[][]{{"A", 1}, {"B", 2}};4        List<String> list = Arrays.asList("A", "B");5        assertThat(arr).extractingForProxy("0").containsExactlyElementsOf(list);6    }7}8public class 2 {9    public static void main(String[] args) {10        Object[][] arr = new Object[][]{{"A", 1}, {"B", 2}};11        List<String> list = Arrays.asList("A", "B");12        assertThat(arr).extractingForProxy("0").containsExactlyElementsOf(list);13    }14}15public class 3 {16    public static void main(String[] args) {17        Object[][] arr = new Object[][]{{"A", 1}, {"B", 2}};18        List<String> list = Arrays.asList("A", "B");19        assertThat(arr).extractingForProxy("0").containsExactlyElementsOf(list);20    }21}22public class 4 {23    public static void main(String[] args) {24        Object[][] arr = new Object[][]{{"A", 1},

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.