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How to use fieldValues method of org.assertj.core.util.introspection.FieldSupport class

Best Assertj code snippet using org.assertj.core.util.introspection.FieldSupport.fieldValues

Source:FieldSupport_fieldValues_Test.java

...21import org.assertj.core.test.Name;22import org.junit.jupiter.api.BeforeEach;23import org.junit.jupiter.api.Test;24/**25 * Tests for <code>{@link FieldSupport#fieldValues(String, Class, Iterable)}</code>.26 * 27 * @author Joel Costigliola28 */29class FieldSupport_fieldValues_Test {30  private Employee yoda;31  private Employee luke;32  private List<Employee> employees;33  private FieldSupport fieldSupport = FieldSupport.extraction();34  @BeforeEach35  public void setUpOnce() {36    yoda = new Employee(1L, new Name("Yoda"), 800);37    luke = new Employee(2L, new Name("Luke", "Skywalker"), 26);38    employees = newArrayList(yoda, luke);39  }40  @Test41  void should_return_empty_List_if_given_Iterable_is_null() {42    Iterable<Long> ids = fieldSupport.fieldValues("ids", Long.class, (Iterable<Long>) null);43    assertThat(ids).isEqualTo(emptyList());44  }45  @Test46  void should_return_empty_List_if_given_Iterable_is_empty() {47    Iterable<Long> ids = fieldSupport.fieldValues("ids", Long.class, emptySet());48    assertThat(ids).isEqualTo(emptyList());49  }50  @Test51  void should_return_null_elements_for_null_field_value() {52    List<Employee> list = newArrayList(null, null);53    Iterable<Long> ages = fieldSupport.fieldValues("id", Long.class, list);54    assertThat(ages).containsExactly(null, null);55    luke.setName(null);56    list = newArrayList(yoda, luke, null, null);57    Iterable<Name> names = fieldSupport.fieldValues("name", Name.class, list);58    assertThat(names).containsExactly(new Name("Yoda"), null, null, null);59    Iterable<String> firstNames = fieldSupport.fieldValues("name.first", String.class, list);60    assertThat(firstNames).containsExactly("Yoda", null, null, null);61  }62  @Test63  void should_return_values_of_simple_field() {64    Iterable<Long> ids = fieldSupport.fieldValues("id", Long.class, employees);65    assertThat(ids).isEqualTo(newArrayList(1L, 2L));66  }67  @Test68  void should_return_values_of_nested_field() {69    Iterable<String> firstNames = fieldSupport.fieldValues("name.first", String.class, employees);70    assertThat(firstNames).isEqualTo(newArrayList("Yoda", "Luke"));71  }72  @Test73  void should_throw_error_if_field_not_found() {74    assertThatExceptionOfType(IntrospectionError.class).isThrownBy(() -> fieldSupport.fieldValues("id.", Long.class,75                                                                                                  employees))76                                                       .withMessage("Unable to obtain the value of the field <'id.'> from <Employee[id=1, name=Name[first='Yoda', last='null'], age=800]>");77  }78  @Test79  void should_return_values_of_private_field() {80    List<Integer> ages = fieldSupport.fieldValues("age", Integer.class, employees);81    assertThat(ages).isEqualTo(newArrayList(800, 26));82  }83  @Test84  void should_throw_error_if_field_is_not_public_and_allowExtractingPrivateFields_set_to_false() {85    FieldSupport.EXTRACTION.setAllowUsingPrivateFields(false);86    try {87      assertThatExceptionOfType(IntrospectionError.class).isThrownBy(() -> fieldSupport.fieldValues("age",88                                                                                                    Integer.class,89                                                                                                    employees))90                                                         .withMessage("Unable to obtain the value of the field <'age'> from <Employee[id=1, name=Name[first='Yoda', last='null'], age=800]>, check that field is public.");91    } finally { // back to default value92      FieldSupport.EXTRACTION.setAllowUsingPrivateFields(true);93    }94  }95  @Test96  void should_extract_field() {97    Long id = fieldSupport.fieldValue("id", Long.class, yoda);98    assertThat(id).isEqualTo(1L);99    Object idObject = fieldSupport.fieldValue("id", Object.class, yoda);100    assertThat(idObject).isInstanceOf(Long.class).isEqualTo(1L);101  }102  @Test103  void should_extract_nested_field() {104    String firstName = fieldSupport.fieldValue("name.first", String.class, yoda);105    assertThat(firstName).isEqualTo("Yoda");106    yoda.name.first = null;107    firstName = fieldSupport.fieldValue("name.first", String.class, yoda);108    assertThat(firstName).isNull();109    yoda.name = null;110    firstName = fieldSupport.fieldValue("name.first", String.class, yoda);111    assertThat(firstName).isNull();112  }113  @Test114  void should_handle_array_as_iterable() {115    List<Long> fieldValuesFromIterable = fieldSupport.fieldValues("id", Long.class, employees);116    List<Long> fieldValuesFromArray = fieldSupport.fieldValues("id", Long.class, employees.toArray(new Employee[0]));117    assertThat(fieldValuesFromArray).isEqualTo(fieldValuesFromIterable);118  }119  @Test120  void should_extract_primitive_field() {121    SampleObject object = new SampleObject();122    assertThat(fieldSupport.fieldValue("sampleByte", byte.class, object)).isEqualTo(object.sampleByte);123    assertThat(fieldSupport.fieldValue("sampleShort", short.class, object)).isEqualTo(object.sampleShort);124    assertThat(fieldSupport.fieldValue("sampleInt", int.class, object)).isEqualTo(object.sampleInt);125    assertThat(fieldSupport.fieldValue("sampleLong", long.class, object)).isEqualTo(object.sampleLong);126    assertThat(fieldSupport.fieldValue("sampleFloat", float.class, object)).isEqualTo(object.sampleFloat);127    assertThat(fieldSupport.fieldValue("sampleDouble", double.class, object)).isEqualTo(object.sampleDouble);128    assertThat(fieldSupport.fieldValue("sampleBoolean", boolean.class, object)).isEqualTo(object.sampleBoolean);129    assertThat(fieldSupport.fieldValue("sampleChar", char.class, object)).isEqualTo(object.sampleChar);130  }131  static class SampleObject {...

fieldValues

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.util.introspection.FieldSupport.EXTRACTION;3public class FieldSupportTest {4    public void testFieldSupport() {5        Person person = new Person("John", "Doe", 20);6        assertThat(EXTRACTION.fieldValue("first_name", person)).isEqualTo("John");7    }8    private static class Person {9        private String first_name;10        private String last_name;11        private int age;12        public Person(String first_name, String last_name, int age) {13            this.first_name = first_name;14            this.last_name = last_name;15            this.age = age;16        }17    }18}

fieldValues

Using AI Code Generation

1FieldSupport fieldSupport = FieldSupport.EXTRACTION;2FieldSupport fieldSupport = FieldSupport.COMPARISON;3FieldSupport fieldSupport = FieldSupport.INJECTION;4FieldSupport fieldSupport = FieldSupport.INJECTION;5FieldSupport fieldSupport = FieldSupport.INJECTION;6FieldSupport fieldSupport = FieldSupport.INJECTION;7FieldSupport fieldSupport = FieldSupport.EXTRACTION;8FieldSupport fieldSupport = FieldSupport.COMPARISON;9FieldSupport fieldSupport = FieldSupport.INJECTION;10FieldSupport fieldSupport = FieldSupport.INJECTION;11FieldSupport fieldSupport = FieldSupport.INJECTION;12FieldSupport fieldSupport = FieldSupport.INJECTION;13FieldSupport fieldSupport = FieldSupport.EXTRACTION;14FieldSupport fieldSupport = FieldSupport.COMPARISON;15FieldSupport fieldSupport = FieldSupport.INJECTION;16FieldSupport fieldSupport = FieldSupport.INJECTION;17FieldSupport fieldSupport = FieldSupport.INJECTION;18FieldSupport fieldSupport = FieldSupport.INJECTION;19FieldSupport fieldSupport = FieldSupport.EXTRACTION;20FieldSupport fieldSupport = FieldSupport.COMPARISON;21FieldSupport fieldSupport = FieldSupport.INJECTION;22FieldSupport fieldSupport = FieldSupport.INJECTION;23FieldSupport fieldSupport = FieldSupport.INJECTION;24FieldSupport fieldSupport = FieldSupport.INJECTION;25FieldSupport fieldSupport = FieldSupport.EXTRACTION;26FieldSupport fieldSupport = FieldSupport.COMPARISON;27FieldSupport fieldSupport = FieldSupport.INJECTION;28FieldSupport fieldSupport = FieldSupport.INJECTION;29FieldSupport fieldSupport = FieldSupport.INJECTION;30FieldSupport fieldSupport = FieldSupport.INJECTION;31FieldSupport fieldSupport = FieldSupport.EXTRACTION;32FieldSupport fieldSupport = FieldSupport.COMPARISON;33FieldSupport fieldSupport = FieldSupport.INJECTION;34FieldSupport fieldSupport = FieldSupport.INJECTION;35FieldSupport fieldSupport = FieldSupport.INJECTION;36FieldSupport fieldSupport = FieldSupport.INJECTION;37FieldSupport fieldSupport = FieldSupport.EXTRACTION;

fieldValues

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport2class FieldSupportTest {3    def "test fieldValues"() {4        def user = new User(name: "John", age: 25)5        def values = FieldSupport.instance().fieldValues(user)6        values.size() == 27        values.containsKey("name")8        values.containsKey("age")9        values.get("name") == "John"10        values.get("age") == 2511    }12}13class User {14    User(String name, int age) {15    }16}17    at FieldSupportTest.test fieldValues(FieldSupportTest.groovy:15)18import static org.assertj.core.util.introspection.FieldSupport.instance19class FieldSupportTest {20    def "test fieldValues"() {21        def user = new User(name: "John", age: 25)22        def values = instance().fieldValues(user)23        values.size() == 224        values.containsKey("name")25        values.containsKey("age")26        values.get("name") == "John"27        values.get("age") == 2528    }29}30class User {31    User(String name, int age) {32    }33}34    at FieldSupportTest.test fieldValues(FieldSupportTest.groovy:15)

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