code: package it.unibz.inf.ontop.cli;
  
  import org.apache.http.HttpResponse;
  import org.apache.http.HttpStatus;
  import org.apache.http.client.methods.HttpGet;
  import org.apache.http.client.methods.HttpPost;
  import org.apache.http.client.methods.HttpUriRequest;
  import org.apache.http.impl.client.HttpClientBuilder;
  import org.junit.BeforeClass;
  import org.junit.ClassRule;
  import org.junit.Test;
  import org.junit.rules.ExternalResource;
  
  import java.io.IOException;
  
  import static org.hamcrest.CoreMatchers.equalTo;
  import static org.hamcrest.MatcherAssert.assertThat;
  
  public class OntopEndpointDownloadNoOntologyTest {
  
      @ClassRule
      public static ExternalResource h2Connection = new H2ExternalResourceForBookExample();
      private static String PORT = "29833";
      private static String DBURL = "jdbc:h2:tcp://localhost:19123/./src/test/resources/h2/books.h2;ACCESS_MODE_DATA=r";
      private static String DBUSER = "sa";
      private static String DBPASSWORD = "test";
  
      @BeforeClass
      public static void setupEndpoint() {
          Ontop.main("endpoint", "-m", "src/test/resources/books/exampleBooks.obda",
                  "--db-url=" + DBURL,
                  "--db-user=" + DBUSER,
                  "--db-password=" + DBPASSWORD,
                  "--port=" + PORT,
                  "--enable-download-ontology");
      }
  
      @Test
      public void testOntologyFetcherGET() throws IOException {
          HttpUriRequest request = new HttpGet("http://localhost:" + PORT + "/ontology");
  
          // When
          HttpResponse httpResponse = HttpClientBuilder.create().build().execute(request);
  
          // Then
          assertThat(
                  httpResponse.getStatusLine().getStatusCode(),
                  equalTo(HttpStatus.SC_NOT_FOUND)); // Should be disabled by default
      }
  }
  