package dk.hansen;

import java.util.Collection;

import junit.framework.TestCase;

public class DVDTest extends TestCase {

   private DVDManagerIF manager; 
   
   protected void setUp() throws Exception {
      // Create a factory class 
      String managerName = "dk.hansen.JdbcDVDManagerFactory";
      DVDManagerFactoryIF factory;
      factory = (DVDManagerFactoryIF)Class.forName(managerName).newInstance();
   
      // Create a DVDManager
      manager = factory.createDVDManager();
      
      String id1 = "ID10";
      try {
         manager.deleteDVD(id1);
      } catch (Exception e) {}
      manager.createDVD("ID10", "Troy");

      String id2 = "ID11";
      try {
         manager.deleteDVD(id2);
      } catch (Exception e) {}
      manager.createDVD("ID11", "Peter Pan");

   }
   
   public void testfind() throws DAOException {
      String id;
      DVD dvd;
      
      id = "ID10";
      dvd = manager.getDVD(id);
      assertEquals("Test for 'ID10'", id, dvd.getId());
      assertEquals("Test for 'Troy' - title", "Troy", dvd.getTitle());

      id = "ID11";
      dvd = manager.getDVD(id);
      assertEquals("Test for 'ID11'", id, dvd.getId());
      assertEquals("Test for 'Peter Pan' - title", "Peter Pan", dvd.getTitle());

      id = "xyz";
      dvd = manager.getDVD(id);
      assertNull("Test for non-existent", dvd);
   }
   
   public void testupdate() throws DAOException {
      String id;
      DVD dvd;
      
      manager.updateDVD("ID10", "new Troy");
      manager.updateDVD("ID11", "new Peter Pan");

      dvd = manager.getDVD("ID10");
      assertEquals("Test for 'new Troy' - title", "new Troy", dvd.getTitle());

      dvd = manager.getDVD("ID11");
      assertEquals("Test for 'new Peter Pan' - title", "new Peter Pan", dvd.getTitle());

   }
   
   public void testcreate() throws DAOException {
      String id;
      DVD dvd;
      
      String id1 = "ID10";
      try {
         manager.deleteDVD(id1);
      } catch (Exception e) {}
      manager.createDVD("ID10", "Troy");

      String id2 = "ID11";
      try {
         manager.deleteDVD(id2);
      } catch (Exception e) {}
      manager.createDVD("ID11", "Peter Pan");

      id = "ID10";
      dvd = manager.getDVD(id);
      assertEquals("Test for 'ID10'", id, dvd.getId());
      assertEquals("Test for 'Troy' - title", "Troy", dvd.getTitle());

      id = "ID11";
      dvd = manager.getDVD(id);
      assertEquals("Test for 'ID11'", id, dvd.getId());
      assertEquals("Test for 'Peter Pan' - title", "Peter Pan", dvd.getTitle());

      id = "xyz";
      dvd = manager.getDVD(id);
      assertNull("Test for non-existent", dvd);
   }
   
   public void testdelete() throws DAOException {
      String id;
      DVD dvd;
      
      id = "ID10";
      dvd = manager.getDVD("ID10");
      assertEquals("Test for 'ID10'", id, dvd.getId());

      manager.deleteDVD(id);
      dvd = manager.getDVD("ID10");
      assertNull("Test for deleted 'ID10'", dvd);

      id = "ID11";
      dvd = manager.getDVD("ID11");
      assertEquals("Test for 'ID11'", id, dvd.getId());

      manager.deleteDVD(id);
      dvd = manager.getDVD("ID11");
      assertNull("Test for deleted 'ID11'", dvd);

   }
   
   public void testall() throws DAOException {
      String id;
      DVD dvd;
      Collection c; 
      
      c = manager.getAll();
      assertTrue("Number of DVDs", c.size() >= 2);
   }
   
   public void testfindtitle() throws DAOException {
      String id;
      DVD dvd;
      Collection c; 
      
      c = manager.findDVDTitle("Troy");
      assertEquals("search for 'Troy'", 1, c.size());
      assertEquals("title 'Troy'", "Troy", ((DVD)c.iterator().next()).getTitle());

      c = manager.findDVDTitle("Peter Pan");
      assertEquals("search for 'Peter Pan'", 1, c.size());
      assertEquals("title 'Peter Pan'", "Peter Pan", ((DVD)c.iterator().next()).getTitle());

      c = manager.findDVDTitle("xyz");
      assertEquals("search for non-existent", 0, c.size());
      
   }
   
   public static void main(String[] args) {
      junit.textui.TestRunner.run(DVDTest.class);
   }

}