content: package org.hiast.batch.domain.model;
  
  import org.apache.spark.sql.Dataset;
  import org.apache.spark.sql.Row;
  import org.hiast.model.factors.ItemFactor;
  import org.hiast.model.factors.UserFactor;
  import org.junit.Test;
  
  import java.util.List;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  
  /**
   * Test for ModelFactors
   *
   * Note: Since Spark's Dataset class is final and cannot be easily mocked with Mockito,
   * this test focuses on verifying that the ModelFactors class exists and has the expected
   * structure, rather than testing its behavior with mocked Datasets.
   */
  public class ModelFactorsTest {
  
      @Test
      public void testClassStructure() throws Exception {
          // Verify that the ModelFactors class exists and has the expected structure
          Class<?> clazz = Class.forName("org.hiast.batch.domain.model.ModelFactors");
  
          // Verify constructors exist
          clazz.getConstructor(Dataset.class, Dataset.class);
          clazz.getConstructor(List.class, List.class);
  
          // Verify getter methods exist
          clazz.getMethod("getUserFactorsDataset");
          clazz.getMethod("getItemFactorsDataset");
          clazz.getMethod("getUserFactors");
          clazz.getMethod("getItemFactors");
  
          // Verify setter methods exist
          clazz.getMethod("setUserFactors", List.class);
          clazz.getMethod("setItemFactors", List.class);
  
          // Verify utility methods exist
          clazz.getMethod("hasDatasetRepresentations");
          clazz.getMethod("hasGenericFactorRepresentations");
      }
  }
  