Jackson: Deserializing to single-value Record from scalar values

RecordDeserializationTest.java

package us.byteb.jackson;

import static org.junit.jupiter.api.Assertions.assertEquals;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonValue;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.junit.jupiter.api.Test;

import java.util.Objects;

public class RecordStringDeserializationTest {

  private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();

  @Test
  void deserializeMyValueRecordFromPrimitiveValue() throws Exception {
    assertEquals(
        new MyValueRecord("foo"),
        OBJECT_MAPPER.readValue("\"foo\"", MyValueRecord.class));
  }

  @Test
  void deserializeMyValueRecordFromObj() throws Exception {
    assertEquals(
        new MyValueRecord("foo"),
        OBJECT_MAPPER.readValue("{\"value\":\"foo\"}", MyValueRecord.class));
  }

  @Test
  void deserializeMyValueWithFactoryMethodFromPrimitiveValue() throws Exception {
    assertEquals(
        new MyValueRecordWithFactoryMethod("foo"),
        OBJECT_MAPPER.readValue("\"foo\"", MyValueRecordWithFactoryMethod.class));
  }

  @Test
  void deserializeMyValueClassFromPrimitiveValue() throws Exception {
    assertEquals(
        new MyValueClass("foo"),
        OBJECT_MAPPER.readValue("\"foo\"", MyValueClass.class));
  }

  final record MyValueRecord(@JsonProperty String value) {

    @JsonValue
    public String value() {
      return value;
    }
  }

  final record MyValueRecordWithFactoryMethod(@JsonProperty String value) {

    @JsonCreator
    public static MyValueRecordWithFactoryMethod of(final String value) {
      return new MyValueRecordWithFactoryMethod(value);
    }

    @JsonValue
    public String value() {
      return value;
    }
  }

  static class MyValueClass {
    final String value;

    public MyValueClass(@JsonProperty final String value) {
      this.value = value;
    }

    @JsonValue()
    public String getValue() {
      return value;
    }

    @Override
    public boolean equals(final Object o) {
      if (this == o) return true;
      if (o == null || getClass() != o.getClass()) return false;
      final MyValueClass that = (MyValueClass) o;
      return Objects.equals(value, that.value);
    }
  }
}