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

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

Source:IterableAssert_flatExtracting_with_String_parameter_Test.java

...20import org.junit.Rule;21import org.junit.Test;22/**23 * Tests for24 * <code>{@link org.assertj.core.api.AbstractIterableAssert#flatExtracting(org.assertj.core.api.iterable.Extractor)}</code>25 *26 * @author Alexander Bischof27 */28public class IterableAssert_flatExtracting_with_String_parameter_Test {29  @Rule30  public ExpectedException thrown = ExpectedException.none();31  private CartoonCharacter bart;32  private CartoonCharacter lisa;33  private CartoonCharacter maggie;34  private CartoonCharacter homer;35  private CartoonCharacter pebbles;36  private CartoonCharacter fred;37  @Before38  public void setUp() {39    bart = new CartoonCharacter("Bart Simpson");40    lisa = new CartoonCharacter("Lisa Simpson");41    maggie = new CartoonCharacter("Maggie Simpson");42    homer = new CartoonCharacter("Homer Simpson");43    homer.addChildren(bart, lisa, maggie);44    pebbles = new CartoonCharacter("Pebbles Flintstone");45    fred = new CartoonCharacter("Fred Flintstone");46    fred.addChildren(pebbles);47  }48  @Test49  public void should_allow_assertions_on_joined_lists_when_extracting_children() {50    assertThat(newArrayList(homer, fred)).flatExtracting("children").containsOnly(bart, lisa, maggie, pebbles);51  }52  @Test53  public void should_allow_assertions_on_joined_lists_when_extracting_children_array() {54    assertThat(newArrayList(homer, fred)).flatExtracting("childrenArray").containsOnly(bart, lisa, maggie, pebbles);55  }56  @Test57  public void should_allow_assertions_on_empty_result_lists() {58    assertThat(newArrayList(bart, lisa, maggie)).flatExtracting("children").isEmpty();59  }60  @Test61  public void should_throw_exception_when_extracting_from_null() {62    thrown.expect(IllegalArgumentException.class);63    assertThat(newArrayList(homer, null)).flatExtracting("children");64  }65  @Test66  public void should_throw_exception_when_extracted_value_is_not_an_array_or_an_iterable() {67    try {68      assertThat(newArrayList(homer, fred)).flatExtracting("name");69      failBecauseExceptionWasNotThrown(IllegalArgumentException.class);70    } catch (IllegalArgumentException e) {71      assertThat(e).hasMessage("Flat extracting expects extracted values to be Iterables or arrays but was a String");72    }73  }74}...

Source:IterableAssert_flatExtracting_Test.java

...20import org.junit.Before;21import org.junit.Rule;22import org.junit.Test;23/**24 * Tests for <code>{@link AbstractIterableAssert#flatExtracting(Extractor)}</code>25 * 26 * @author Mateusz Haligowski27 */28public class IterableAssert_flatExtracting_Test {29  @Rule30  public ExpectedException thrown = ExpectedException.none();31  private CartoonCharacter bart;32  private CartoonCharacter lisa;33  private CartoonCharacter maggie;34  private CartoonCharacter homer;35  private CartoonCharacter pebbles;36  private CartoonCharacter fred;37  private final Extractor<CartoonCharacter, List<CartoonCharacter>> children = new Extractor<CartoonCharacter, List<CartoonCharacter>>() {38    @Override39    public List<CartoonCharacter> extract(CartoonCharacter input) {40      return input.getChildren();41    }42  };43  @Before44  public void setUp() {45    bart = new CartoonCharacter("Bart Simpson");46    lisa = new CartoonCharacter("Lisa Simpson");47    maggie = new CartoonCharacter("Maggie Simpson");48    homer = new CartoonCharacter("Homer Simpson");49    homer.addChildren(bart, lisa, maggie);50    pebbles = new CartoonCharacter("Pebbles Flintstone");51    fred = new CartoonCharacter("Fred Flintstone");52    fred.addChildren(pebbles);53  }54  @Test55  public void should_allow_assertions_on_joined_lists_when_extracting_children() {56    assertThat(newArrayList(homer, fred)).flatExtracting(children).containsOnly(bart, lisa, maggie, pebbles);57  }58  @Test59  public void should_allow_assertions_on_empty_result_lists() throws Exception {60    assertThat(newArrayList(bart, lisa, maggie)).flatExtracting(children).isEmpty();61  }62  @Test63  public void should_throw_null_pointer_exception_when_extracting_from_null() throws Exception {64    thrown.expect(NullPointerException.class);65    assertThat(newArrayList(homer, null)).flatExtracting(children);66  }67}...

flatExtracting

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.Arrays;3import java.util.List;4import java.util.stream.Collectors;5import java.util.stream.Stream;6public class flatExtracting {7	public static void main(String[] args) {8		List<List<String>> list = Arrays.asList(Arrays.asList("apple", "banana"),9				Arrays.asList("mango", "grapes"), Arrays.asList("pineapple", "watermelon"));10		List<String> result = list.stream().flatMap(x -> x.stream()).collect(Collectors.toList());11		System.out.println(result);12	}13}14Recommended Posts: Java | flatMap() method in Stream15Java | flatMapToInt() method in Stream16Java | flatMapToDouble() method in Stream17Java | flatMapToLong() method in Stream18Java | flatMap() method in List19Java | flatMap() method in Optional20Java | flatMap() method in Stream21Java | flatMap() method in Map22Java | flatMap() method in OptionalDouble

flatExtracting

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.ObjectArrayAssert;6import org.assertj.core.api.ObjectEnumerableAssert;7import org.assertj.core.api.ObjectListAssert;8import org.assertj.core.api.ObjectMapAssert;9import org.assertj.core.api.ObjectSetAssert;10import org.assertj.core.api.ObjectStreamAssert;11import org.assertj.core.api.ObjectArrayAssert;12import org.assertj.core.api.ObjectEnumerableAssert;13import org.assertj.core.api.ObjectListAssert;14import org.assertj.core.api.ObjectMapAssert;15import org.assertj.core.api.ObjectSetAssert;16import org.assertj.core.api.ObjectStreamAssert;17import org.assertj.core.api.ObjectArrayAssert;18import org.assertj.core.api.ObjectEnumerableAssert;19import org.assertj.core.api.ObjectListAssert;20import org.assertj.core.api.ObjectMapAssert;21import org.assertj.core.api.ObjectSetAssert;22import org.assertj.core.api.ObjectStreamAssert;23import org.assertj.core.data.Offset;24import org.assertj.core.data.Percentage;25import org.assertj.core.data.TemporalUnitOffset;26import org.assertj.core.groups.Tuple;27import org.assertj.core.util.introspection.IntrospectionError;28import org.assertj.core.util.introspection.PropertyOrFieldSupport;29import org.assertj.core.api.AbstractIterableAssert;30import org.assertj.core.api.AbstractListAssert;31import org.assertj.core.api.AbstractObjectAssert;32import org.assertj.core.api.AbstractObjectArrayAssert;33import org.assertj.core.api.AbstractObjectEnumerableAssert;34import org.assertj.core.api.AbstractObjectListAssert;35import org.assertj.core.api.AbstractObjectMapAssert;36import org.assertj.core.api.AbstractObjectSetAssert;37import org.assertj.core.api.AbstractObjectStreamAssert;38import org.assertj.core.api.AbstractObjectArrayAssert;39import org.assertj.core.api.AbstractObjectEnumerableAssert;40import org.assertj.core.api.AbstractObjectListAssert;41import org.assertj.core.api.AbstractObjectMapAssert;42import org.assertj.core.api.AbstractObjectSetAssert;43import org.assertj.core.api.AbstractObjectStreamAssert;44import org.assertj.core.api.AbstractObjectArrayAssert;45import org.assertj.core.api.AbstractObjectEnumerableAssert;46import org.assertj.core.api.AbstractObjectListAssert;47import org.assertj.core.api.AbstractObjectMapAssert;48import org.assertj.core.api.AbstractObjectSetAssert;49import org.assertj.core.api.AbstractObjectStreamAssert;50import org.assertj.core.api.AbstractObjectArrayAssert;51import org.assertj.core.api.AbstractObjectEnumerableAssert;52import org.assertj.core.api.AbstractObjectListAssert;53import org.assertj.core.api.AbstractObjectMap

flatExtracting

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.IterableAssert;3import org.assertj.core.api.ListAssert;4import org.junit.Test;5import java.util.Arrays;6import java.util.List;7public class FlatExtractingTest {8    public void flatExtractingTest() {9        List<List<String>> list = Arrays.asList(Arrays.asList("A", "B", "C"), Arrays.asList("D", "E", "F"));10        IterableAssert<String> iterableAssert = Assertions.assertThat(list).flatExtracting(List::stream);11        ListAssert<String> listAssert = iterableAssert.asList();12        listAssert.containsExactlyInAnyOrder("A", "B", "C", "D", "E", "F");13    }14}

flatExtracting

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.SoftAssertions;3import org.assertj.core.util.Lists;4import org.junit.Test;5import java.util.List;6import static org.assertj.core.api.Assertions.assertThat;7public class FlatExtracting {8    public void flatExtracting() {9        List<Person> persons = Lists.newArrayList(new Person("John", 20), new Person("Jane", 25));10        assertThat(persons).flatExtracting("name", "age").contains("John", 20, "Jane", 25);11    }12    public void flatExtractingWithSoftAssertions() {13        List<Person> persons = Lists.newArrayList(new Person("John", 20), new Person("Jane", 25));14        SoftAssertions softly = new SoftAssertions();15        softly.assertThat(persons).flatExtracting("name", "age").contains("John", 20, "Jane", 25);16        softly.assertAll();17    }18    public void flatExtractingWithSoftAssertions2() {19        List<Person> persons = Lists.newArrayList(new Person("John", 20), new Person("Jane", 25));20        SoftAssertions softly = new SoftAssertions();21        softly.assertThat(persons).flatExtracting("name", "age").contains("John", 20, "Jane", 25);22        softly.assertAll();23    }24    public void flatExtractingWithSoftAssertions3() {25        List<Person> persons = Lists.newArrayList(new Person("John", 20), new Person("Jane", 25));26        SoftAssertions softly = new SoftAssertions();27        softly.assertThat(persons).flatExtracting("name", "age").contains("John", 20, "Jane", 25);28        softly.assertAll();29    }30    public void flatExtractingWithSoftAssertions4() {31        List<Person> persons = Lists.newArrayList(new Person("John", 20), new Person("Jane", 25));32        SoftAssertions softly = new SoftAssertions();33        softly.assertThat(persons).flatExtracting("name", "age").contains("John", 20, "Jane", 25);34        softly.assertAll();35    }36    public void flatExtractingWithSoftAssertions5() {37        List<Person> persons = Lists.newArrayList(new Person("John", 20), new Person("Jane", 25));38        SoftAssertions softly = new SoftAssertions();

flatExtracting

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import java.util.Arrays;3import java.util.List;4import java.util.Map;5import java.util.stream.Collectors;6import java.util.stream.Stream;7public class Test {8    public static void main(String[] args) {9        List<Map<String, String>> list = Arrays.asList(10                Stream.of(new String[][] {11                        { "key1", "value1" },12                        { "key2", "value2" },13                        { "key3", "value3" },14                }).collect(Collectors.toMap(data -> data[0], data -> data[1])),15                Stream.of(new String[][] {16                        { "key11", "value11" },17                        { "key22", "value22" },18                        { "key33", "value33" },19                }).collect(Collectors.toMap(data -> data[0], data -> data[1]))20        );21        Assertions.assertThat(list)22                .flatExtracting("key1", "key2")23                .contains("value1", "value2");24    }25}26	at org.assertj.core.error.ShouldHaveFieldOrPropertyWithValue.create(ShouldHaveFieldOrPropertyWithValue.java:45)27	at org.assertj.core.internal.FieldOrPropertySupport.handleFieldOrPropertyNotFound(FieldOrPropertySupport.java:90)28	at org.assertj.core.internal.FieldOrPropertySupport.handleFieldOrPropertyNotFound(FieldOrPropertySupport.java:73)29	at org.assertj.core.internal.FieldOrPropertySupport.handleFieldOrPropertyNotFound(FieldOrPropertySupport.java:67)30	at org.assertj.core.internal.FieldOrPropertySupport.handleFieldOrPropertyNotFound(FieldOrPropertySupport.java:63)31	at org.assertj.core.internal.FieldOrPropertySupport.extractFieldOrProperty(FieldOrPropertySupport.java:53)32	at org.assertj.core.internal.Objects.extractPropertyOrField(Objects.java:72)33	at org.assertj.core.internal.Iterables.extractPropertyOrField(Iterables.java:134)34	at org.assertj.core.internal.Iterables.extractPropertyOrField(Iterables.java:128)35	at org.assertj.core.api.AbstractIterableAssert.extracting(AbstractIterableAssert.java:168)36	at org.assertj.core.api.AbstractIterableAssert.flatExtracting(AbstractIterableAssert.java:155)37	at Test.main(Test.java:18)

flatExtracting

Using AI Code Generation

1public class FlatExtracting {2    public static void main(String[] args) {3        List<List<String>> list = new ArrayList<>();4        list.add(Arrays.asList("one", "two"));5        list.add(Arrays.asList("three", "four"));6        list.add(Arrays.asList("five", "six"));7        Assertions.assertThat(list)8                .flatExtracting(List::iterator)9                .contains("one", "two", "three", "four", "five", "six");10    }11}

flatExtracting

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.Arrays;3import java.util.List;4import org.junit.Test;5public class FlatExtracting {6  public void flatExtractingTest() {7    List<Person> persons = Arrays.asList(8        new Person("John", 42, Arrays.asList("123-456-7890", "234-567-8901")),9        new Person("Jane", 36, Arrays.asList("345-678-9012", "456-789-0123")));10    assertThat(persons).flatExtracting(Person::getPhoneNumbers)11                       .containsExactly("123-456-7890", "234-567-8901", "345-678-9012", "456-789-0123");12  }13}14public class Person {15  private String name;16  private int age;17  private List<String> phoneNumbers;18  public Person(String name, int age, List<String> phoneNumbers) {19    this.name = name;20    this.age = age;21    this.phoneNumbers = phoneNumbers;22  }23  public String getName() {24    return name;25  }26  public int getAge() {27    return age;28  }29  public List<String> getPhoneNumbers() {30    return phoneNumbers;31  }32}

flatExtracting

Using AI Code Generation

1import org.assertj.core.api.*;2import java.util.*;3public class 1 {4    public static void main(String[] args) {5        List<String> list = Arrays.asList("1", "2", "3", "4", "5");6        List<String> list1 = Arrays.asList("6", "7", "8", "9", "10");7        List<String> list2 = Arrays.asList("11", "12", "13", "14", "15");8        List<List<String>> list3 = Arrays.asList(list, list1, list2);9        Assertions.assertThat(list3).flatExtracting(List::size).contains(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);10    }11}12at org.assertj.core.error.ShouldContain.shouldContain(ShouldContain.java:68)13at org.assertj.core.internal.Failures.failure(Failures.java:78)14at org.assertj.core.internal.Failures.failure(Failures.java:61)15at org.assertj.core.internal.Failures.failure(Failures.java:57)16at org.assertj.core.api.AbstractIterableAssert.contains(AbstractIterableAssert.java:347)17at org.assertj.core.api.AbstractIterableAssert.contains(AbstractIterableAssert.java:47)18at 1.main(1.java:17)

flatExtracting

Using AI Code Generation

1public class FlatExtractingMethod {2    public static void main(String[] args) {3        List<Author> authors = Arrays.asList(4                new Author("Robert", "Martin"),5                new Author("Martin", "Fowler"),6                new Author("Kent", "Beck"),7                new Author("Steve", "Fowler"));8        List<String> firstNames = authors.stream()9                .flatMap(a -> Stream.of(a.firstName))10                .collect(Collectors.toList());11        System.out.println(firstNames);12    }13}14public class Author {15    String firstName;16    String lastName;17    public Author(String firstName, String lastName) {18        this.firstName = firstName;19        this.lastName = lastName;20    }21}

flatExtracting

Using AI Code Generation

1public class AssertJTest {2    public static void main(String[] args) {3        List<Author> authors = new ArrayList<Author>();4        authors.add(new Author("John", "Doe"));5        authors.add(new Author("Jane", "Doe"));6        authors.add(new Author("John", "Smith"));7        authors.add(new Author("Jane", "Smith"));8        List<String> firstNames = assertThat(authors).flatExtracting("firstName").asList();9        System.out.println(firstNames);10    }11}12public class Author {13    private String firstName;14    private String lastName;15    public Author(String firstName, String lastName) {16        this.firstName = firstName;17        this.lastName = lastName;18    }19    public String getFirstName() {20        return firstName;21    }22    public String getLastName() {23        return lastName;24    }25}

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