code: package it.unibz.inf.ontop.cli;
  
  import org.junit.ClassRule;
  import org.junit.Ignore;
  import org.junit.Test;
  import org.junit.rules.ExternalResource;
  
  
  public class OntopOBDAToR2RMLTest {
  
      @ClassRule
      public static ExternalResource h2Connection = new H2ExternalResourceForBookExample();
  
      @Test
      public void testOntopHelp (){
          Ontop.main("help", "mapping", "to-r2rml");
      }
  
      @Ignore("avoids overwriting exampleBooks.ttl")
      @Test
      public void testOntopOBDAToR2RML() {
          Ontop.main("mapping", "to-r2rml",
                  "-i", "src/test/resources/books/exampleBooks.obda",
                  "-t", "src/test/resources/books/exampleBooks.owl",
                  "--force");
      }
  
      @Test
      public void testOntopOBDAToR2RML1() {
          Ontop.main("mapping", "to-r2rml",
                  "-i", "src/test/resources/templateExample.obda",
                  "-t", "src/test/resources/books/exampleBooks.owl",
                  "-o", "src/test/resources/output/templateExample.r2rml",
                  "--force");
      }
  
      @Test
      public void testOntopOBDAToR2RML2() {
          Ontop.main("mapping", "to-r2rml",
                  "-i", "src/test/resources/mapping-northwind.obda",
                  "-t", "src/test/resources/mapping-northwind.owl",
                  "-o", "src/test/resources/output/mapping-northwind.r2rml",
                  "--force");
      }
  
      @Test
      public void testOntopOBDAToR2RML_NoOntology() {
          Ontop.main("mapping", "to-r2rml",
                  "-i", "src/test/resources/books/exampleBooks.obda",
                  "-o", "src/test/resources/output/exampleBooks.r2rml",
                  "--force");
      }
  
      @Test
      public void testOntopR2RML2OBDA2R2RML() {
          Ontop.main("mapping", "to-r2rml",
                  "-i", "src/test/resources/mapping-northwind-named-graph.obda",
                  "-o", "src/test/resources/output/mapping-northwind-named-graph.r2rml",
                  "--force");
      }
  
      @Test
      public void testOntopOBDA2R2RML_quotation_marks() {
          Ontop.main("mapping", "to-r2rml",
                  "-i", "src/test/resources/mapping-booktutorial.obda",
                  "-o", "src/test/resources/output/mapping-booktutorial.ttl",
                  "--force");
      }
  
      @Test
      public void testOntopOBDA2R2RML_prof_bnode() {
          Ontop.main("mapping", "to-r2rml",
                  "-i", "src/test/resources/prof/prof-bnode.obda",
                  "-o", "src/test/resources/output/prof-bnode-mapping.ttl",
                  "--force");
      }
  
      @Test
      public void testOntopR2RML2OBDA_withProperties() {
          Ontop.main("mapping", "to-r2rml",
                  "-p", "src/test/resources/books/exampleBooks.properties",
                  "-i", "src/test/resources/books/exampleBooks.obda",
                  "-o", "src/test/resources/output/exampleBooks-properties.ttl");
      }
  }
  