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How to use PropertyOrFieldSupport class of org.assertj.core.util.introspection package

Best Assertj code snippet using org.assertj.core.util.introspection.PropertyOrFieldSupport

Source:PropertyOrFieldSupport_getValueOf_Test.java

...18import org.assertj.core.api.Assertions;19import org.assertj.core.test.Employee;20import org.assertj.core.test.Name;21import org.junit.jupiter.api.Test;22public class PropertyOrFieldSupport_getValueOf_Test {23    private static final Employee yoda = new Employee(1L, new Name("Yoda"), 800);24    private PropertyOrFieldSupport propertyOrFieldSupport;25    @Test26    public void should_extract_property_value() {27        Object value = propertyOrFieldSupport.getValueOf("age", PropertyOrFieldSupport_getValueOf_Test.yoda);28        Assertions.assertThat(value).isEqualTo(800);29    }30    @Test31    public void should_extract_property_with_no_corresponding_field() {32        Object value = propertyOrFieldSupport.getValueOf("adult", PropertyOrFieldSupport_getValueOf_Test.yoda);33        Assertions.assertThat(value).isEqualTo(true);34    }35    @Test36    public void should_prefer_properties_over_fields() {37        Object extractedValue = propertyOrFieldSupport.getValueOf("name", employeeWithOverriddenName("Overridden Name"));38        Assertions.assertThat(extractedValue).isEqualTo(new Name("Overridden Name"));39    }40    @Test41    public void should_extract_public_field_values_as_no_property_matches_given_name() {42        Object value = propertyOrFieldSupport.getValueOf("id", PropertyOrFieldSupport_getValueOf_Test.yoda);43        Assertions.assertThat(value).isEqualTo(1L);44    }45    @Test46    public void should_extract_private_field_values_as_no_property_matches_given_name() {47        Object value = propertyOrFieldSupport.getValueOf("city", PropertyOrFieldSupport_getValueOf_Test.yoda);48        Assertions.assertThat(value).isEqualTo("New York");49    }50    @Test51    public void should_fallback_to_field_if_exception_has_been_thrown_on_property_access() {52        Object extractedValue = propertyOrFieldSupport.getValueOf("name", employeeWithBrokenName("Name"));53        Assertions.assertThat(extractedValue).isEqualTo(new Name("Name"));54    }55    @Test56    public void should_return_null_if_one_of_nested_property_or_field_value_is_null() {57        Object value = propertyOrFieldSupport.getValueOf("surname.first", PropertyOrFieldSupport_getValueOf_Test.yoda);58        Assertions.assertThat(value).isNull();59    }60    @Test61    public void should_extract_nested_property_field_combinations() {62        Employee darth = new Employee(1L, new Name("Darth", "Vader"), 100);63        Employee luke = new Employee(2L, new Name("Luke", "Skywalker"), 26);64        darth.field = luke;65        luke.field = darth;66        luke.surname = new Name("Young", "Padawan");67        Object value = propertyOrFieldSupport.getValueOf("me.field.me.field.me.field.surname.name", darth);68        Assertions.assertThat(value).isEqualTo("Young Padawan");69    }70    @Test71    public void should_throw_error_when_no_property_nor_field_match_given_name() {72        Assertions.assertThatExceptionOfType(IntrospectionError.class).isThrownBy(() -> propertyOrFieldSupport.getValueOf("unknown", yoda));73    }74    @Test75    public void should_throw_error_when_no_property_nor_public_field_match_given_name_if_extraction_is_limited_to_public_fields() {76        Assertions.assertThatExceptionOfType(IntrospectionError.class).isThrownBy(() -> {77            propertyOrFieldSupport = new PropertyOrFieldSupport(new PropertySupport(), FieldSupport.EXTRACTION_OF_PUBLIC_FIELD_ONLY);78            propertyOrFieldSupport.getValueOf("city", yoda);79        });80    }81    @Test82    public void should_throw_exception_when_given_property_or_field_name_is_null() {83        Assertions.assertThatIllegalArgumentException().isThrownBy(() -> propertyOrFieldSupport.getValueOf(null, yoda)).withMessage("The name of the property/field to read should not be null");84    }85    @Test86    public void should_throw_exception_when_given_name_is_empty() {87        Assertions.assertThatIllegalArgumentException().isThrownBy(() -> propertyOrFieldSupport.getValueOf("", yoda)).withMessage("The name of the property/field to read should not be empty");88    }89    @Test90    public void should_throw_exception_if_property_cannot_be_extracted_due_to_runtime_exception_during_property_access() {91        Assertions.assertThatExceptionOfType(IntrospectionError.class).isThrownBy(() -> propertyOrFieldSupport.getValueOf("adult", brokenEmployee()));92    }93    @Test94    public void should_throw_exception_if_no_object_is_given() {95        Assertions.assertThatIllegalArgumentException().isThrownBy(() -> propertyOrFieldSupport.getValueOf("name", null));96    }97    @Test98    public void should_extract_single_value_from_maps_by_key() {99        String key1 = "key1";100        String key2 = "key2";101        Map<String, Employee> map1 = new HashMap<>();102        map1.put(key1, PropertyOrFieldSupport_getValueOf_Test.yoda);103        Employee luke = new Employee(2L, new Name("Luke"), 22);104        map1.put(key2, luke);105        Map<String, Employee> map2 = new HashMap<>();106        map2.put(key1, PropertyOrFieldSupport_getValueOf_Test.yoda);107        Employee han = new Employee(3L, new Name("Han"), 31);108        map2.put(key2, han);109        List<Map<String, Employee>> maps = Arrays.asList(map1, map2);110        Assertions.assertThat(maps).extracting(key2).containsExactly(luke, han);111        Assertions.assertThat(maps).extracting(key2, Employee.class).containsExactly(luke, han);112        Assertions.assertThat(maps).extracting(key1).containsExactly(PropertyOrFieldSupport_getValueOf_Test.yoda, PropertyOrFieldSupport_getValueOf_Test.yoda);113        Assertions.assertThat(maps).extracting("bad key").containsExactly(null, null);114    }115}...

PropertyOrFieldSupport

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertyOrFieldSupport;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThat;4public class PropertyOrFieldSupportTest {5    public void test() {6        PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();7        Object value = propertyOrFieldSupport.propertyValue("name", new Person("John Doe"));8        assertThat(value).isEqualTo("John Doe");9    }10    static class Person {11        private String name;12        public Person(String name) {13            this.name = name;14        }15        public String getName() {16            return name;17        }18    }19}20PropertySupportCamelCase uses the getter of the property to get the value of the property. If the property is a Boolean property, then it tries to get the value of the property using the isXXX() method

PropertyOrFieldSupport

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertyOrFieldSupport;2import org.junit.Test;3public class PropertyOrFieldSupportTest {4    public void testPropertyOrFieldSupport() {5        PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();6        propertyOrFieldSupport.instanceFieldValue(new Person(), "name");7        propertyOrFieldSupport.instanceFieldValue(new Person(), "age");8    }9}10class Person {11    private String name;12    private int age;13    public String getName() {14        return name;15    }16    public void setName(String name) {17        this.name = name;18    }19    public int getAge() {20        return age;21    }22    public void setAge(int age) {23        this.age = age;24    }25}26org.assertj.core.util.introspection.PropertyOrFieldSupportTest > testPropertyOrFieldSupport() PASSED

PropertyOrFieldSupport

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertyOrFieldSupport;2import java.util.Objects;3public class Person {4    private String name;5    private int age;6    public Person(String name, int age) {7        this.name = name;8        this.age = age;9    }10    public String getName() {11        return name;12    }13    public int getAge() {14        return age;15    }16    public boolean equals(Object o) {17        if (this == o) return true;18        if (o == null || getClass() != o.getClass()) return false;19        Person person = (Person) o;20                Objects.equals(name, person.name);21    }22    public int hashCode() {23        return Objects.hash(name, age);24    }25}26public class Main {27    public static void main(String[] args) {28        Person person1 = new Person("John", 20);29        Person person2 = new Person("John", 20);30        System.out.println("person1.equals(person2) = " + person1.equals(person2));31        PropertyOrFieldSupport propertyOrFieldSupport = PropertyOrFieldSupport.EXTRACTION;32        System.out.println("propertyOrFieldSupport.areEqual(person1, person2) = " +33                propertyOrFieldSupport.areEqual(person1, person2));34    }35}36person1.equals(person2) = true37propertyOrFieldSupport.areEqual(person1, person2) = true

PropertyOrFieldSupport

Using AI Code Generation

1PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();2Object fieldValue = propertyOrFieldSupport.fieldValue("field", object);3Object fieldValue = propertyOrFieldSupport.setFieldValue("field", object, "value");4PropertySupport propertySupport = new PropertySupport();5Object propertyValue = propertySupport.propertyValue("property", object);6Object propertyValue = propertySupport.setPropertyValue("property", object, "value");7PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();8Object fieldValue = propertyOrFieldSupport.fieldValue("field", object);9Object fieldValue = propertyOrFieldSupport.setFieldValue("field", object, "value");10PropertySupport propertySupport = new PropertySupport();11Object propertyValue = propertySupport.propertyValue("property", object);12Object propertyValue = propertySupport.setPropertyValue("property", object, "value");13PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();14Object fieldValue = propertyOrFieldSupport.fieldValue("field", object);15Object fieldValue = propertyOrFieldSupport.setFieldValue("field", object, "value");16PropertySupport propertySupport = new PropertySupport();17Object propertyValue = propertySupport.propertyValue("property", object);18Object propertyValue = propertySupport.setPropertyValue("property", object, "value");19PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();20Object fieldValue = propertyOrFieldSupport.fieldValue("field", object);

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