Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use doFlatExtracting method of org.assertj.core.api.AbstractObjectArrayAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractObjectArrayAssert.doFlatExtracting

Source:AbstractObjectArrayAssert.java

...2185   * @return a new assertion object whose object under test is the list of values extracted2186   */2187  @CheckReturnValue2188  public <V, C extends Collection<V>> AbstractListAssert<?, List<? extends V>, V, ObjectAssert<V>> flatExtracting(Function<? super ELEMENT, C> extractor) {2189    return doFlatExtracting(extractor);2190  }2191  /**2192   * Extract the Iterable values from arrays elements under test by applying an Iterable extracting function (which2193   * might throw an exception) on them and concatenating the result lists into an array which becomes the new object2194   * under test.2195   * <p>2196   * It allows testing the results of extracting values that are represented by Iterables.2197   * <p>2198   * For example:2199   * <pre><code class='java'> CartoonCharacter bart = new CartoonCharacter("Bart Simpson");2200   * CartoonCharacter lisa = new CartoonCharacter("Lisa Simpson");2201   * CartoonCharacter maggie = new CartoonCharacter("Maggie Simpson");2202   * CartoonCharacter homer = new CartoonCharacter("Homer Simpson");2203   * homer.addChildren(bart, lisa, maggie);2204   *2205   * CartoonCharacter pebbles = new CartoonCharacter("Pebbles Flintstone");2206   * CartoonCharacter fred = new CartoonCharacter("Fred Flintstone");2207   * fred.getChildren().add(pebbles);2208   *2209   * CartoonCharacter[] parents = new CartoonCharacter[] { homer, fred };2210   * // check children2211   * assertThat(parents).flatExtracting(input -&gt; {2212   *   if (input.getChildren().size() == 0) {2213   *     throw new Exception("no children");2214   *   }2215   *   return input.getChildren();2216   * }).containsOnly(bart, lisa, maggie, pebbles);</code></pre>2217   *2218   * The order of extracted values is consisted with both the order of the collection itself, as well as the extracted2219   * collections.2220   *2221   * @param <V> the type of elements to extract.2222   * @param <C> the type of collection to flat/extract.2223   * @param <EXCEPTION> the exception type of {@link ThrowingExtractor}2224   * @param extractor the object transforming input object to an Iterable of desired ones2225   * @return a new assertion object whose object under test is the list of values extracted2226   * @since 3.7.02227   */2228  @CheckReturnValue2229  public <V, C extends Collection<V>, EXCEPTION extends Exception> AbstractListAssert<?, List<? extends V>, V, ObjectAssert<V>> flatExtracting(ThrowingExtractor<? super ELEMENT, C, EXCEPTION> extractor) {2230    return doFlatExtracting(extractor);2231  }2232  private <V, C extends Collection<V>> AbstractListAssert<?, List<? extends V>, V, ObjectAssert<V>> doFlatExtracting(Function<? super ELEMENT, C> extractor) {2233    List<V> result = FieldsOrPropertiesExtractor.extract(Arrays.asList(actual), extractor).stream()2234                                                .flatMap(Collection::stream).collect(toList());2235    return newListAssertInstance(result).withAssertionState(myself);2236  }2237  /**2238   * Extract from array's elements the Iterable/Array values corresponding to the given property/field name and2239   * concatenate them into a single array becoming the new object under test.2240   * <p>2241   * It allows testing the elements of extracting values that are represented by iterables or arrays.2242   * <p>2243   * For example:2244   * <pre><code class='java'> CartoonCharacter bart = new CartoonCharacter("Bart Simpson");2245   * CartoonCharacter lisa = new CartoonCharacter("Lisa Simpson");2246   * CartoonCharacter maggie = new CartoonCharacter("Maggie Simpson");...

doFlatExtracting

Using AI Code Generation

1package org.assertj.core.api;2import java.util.List;3import java.util.Map;4import java.util.function.Function;5import java.util.function.Predicate;6import org.assertj.core.groups.Tuple;7import org.assertj.core.internal.Iterables;8import org.assertj.core.internal.Maps;9import org.assertj.core.util.CheckReturnValue;10import org.assertj.core.util.VisibleForTesting;11 *     target="_blank">Emulating 'self types' using Java Generics to simplify fluent API implementation</a>&quot;

doFlatExtracting

Using AI Code Generation

1assertThat(new String[]{"a", "b", "c"}).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");2assertThat(Arrays.asList("a", "b", "c")).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");3assertThat(new String[]{"a", "b", "c"}).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");4assertThat(Stream.of("a", "b", "c")).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");5assertThat(Arrays.asList("a", "b", "c")).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");6assertThat(Stream.of("a", "b", "c")).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");7assertThat(Arrays.asList("a", "b", "c")).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");8assertThat(new String[]{"a", "b", "c"}).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");9assertThat(Arrays.asList("a", "b", "c")).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");10assertThat(new String[]{"a", "b", "c"}).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");11assertThat(Stream.of("a", "b", "c")).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");12assertThat(Arrays.asList("a", "b", "c")).doFlatExtracting(String::toUpperCase).contains("A", "B", "C");13assertThat(Stream.of("a", "b

doFlatExtracting

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import org.junit.Test;3public class DoFlatExtractingTest {4    public void testDoFlatExtracting() {5        Object[][][] array = new Object[][][]{{{1, 2, 3}, {4, 5, 6}}, {{7, 8, 9}, {10, 11, 12}}};6        assertThat(array).doFlatExtracting(Object[].class, Object[].class, Object[].class)7                .containsExactly(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12);8    }9}10Actual   :[Ljava.lang.Object;@e8d6a211import static org.assertj.core.api.Assertions.*;12import java.util.stream.Stream;13import org.junit.Test;14public class DoFlatExtractingTest {15    public void testDoFlatExtracting() {16        Object[][][] array = new Object[][][]{{{1, 2, 3}, {4, 5, 6}}, {{7, 8, 9}, {10, 11, 12}}};17        assertThat(Stream.of(array)).doFlatExtracting(Object[].class, Object[].class, Object[].class)18                .containsExactly(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12);19    }20}

doFlatExtracting

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class AbstractObjectArrayAssertTest {4    public void testDoFlatExtracting() {5        String[] names = {"John", "Jane", "Janet"};6        Object[] extracted = Assertions.assertThat(names).as("Extracting first letter of names")7                .doFlatExtracting(name -> name.substring(0, 1))8                .toArray();9        Assertions.assertThat(extracted).containsExactly("J", "J", "J");10    }11}

doFlatExtracting

Using AI Code Generation

1Object[] objArray = new Object[] { "Java", "C", "C++", "Python", "Ruby" };2Object[] objArray2 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };3Object[] objArray3 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };4Object[] objArray4 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };5Object[] objArray5 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };6Object[] objArray6 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };7Object[] objArray7 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };8Object[] objArray8 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };9Object[] objArray9 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };10Object[] objArray10 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };11Object[] objArray11 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };12Object[] objArray12 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };13Object[] objArray13 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };14Object[] objArray14 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };15Object[] objArray15 = new Object[] { "Java", "C", "C++", "Python", "Ruby" };

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.