Java Test with JSON

gistfile1.txt

import org.junit.jupiter.api.Test;
import org.skyscreamer.jackson.databind.ObjectMapper;

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

public class JsonObjectPropertyTest {

  @Test
  public void testJsonObjectHasProperty() throws Exception {
    String jsonString = "{\"name\": \"John Doe\", \"age\": 30}";
    ObjectMapper mapper = new ObjectMapper();

    // Parse JSON string to a JsonObject
    Object jsonObject = mapper.readValue(jsonString, Object.class);

    // Assert that the property "name" exists
    assertTrue(jsonObject instanceof Map, "Object should be a Map");
    @SuppressWarnings("unchecked")
    Map<String, Object> map = (Map<String, Object>) jsonObject;
    assertTrue(map.containsKey("name"), "JsonObject should have a property named 'name'");
  }
}