package dk.hansen;

import java.util.Collection;

import junit.framework.TestCase;

public class BookTest extends TestCase {

   private BookManagerIF manager; 
   
   protected void setUp() throws Exception {
      // Create a factory class 
      String managerName = "dk.hansen.JdbcBookManagerFactory";
      BookManagerFactoryIF factory;
      factory = (BookManagerFactoryIF)Class.forName(managerName).newInstance();
   
      // Create a BookManager
      manager = factory.createBookManager();
      
      String id1 = "ID30";
      try {
         manager.deleteBook(id1);
      } catch (Exception e) {}
      manager.createBook("ID30", "The Tempest", "William Shakespeare", 1611);

      String id2 = "ID31";
      try {
         manager.deleteBook(id2);
      } catch (Exception e) {}
      manager.createBook("ID31", "A Midsummer Night's Dream", "William Shakespeare", 1595);

   }
   
   public void testfind() throws DAOException {
      String id;
      Book book;
      
      id = "ID30";
      book = manager.getBook(id);
      assertEquals("Test for 'ID30'", id, book.getId());
      assertEquals("Test for 'The Tempest' - title", "The Tempest", book.getTitle());
      assertEquals("Test for 'William Shakespeare' - author", "William Shakespeare", book.getAuthor());
      assertEquals("Test for '1611' - year", 1611, book.getYear());

      id = "ID31";
      book = manager.getBook(id);
      assertEquals("Test for 'ID31'", id, book.getId());
      assertEquals("Test for 'A Midsummer Night's Dream' - title", "A Midsummer Night's Dream", book.getTitle());
      assertEquals("Test for 'William Shakespeare' - author", "William Shakespeare", book.getAuthor());
      assertEquals("Test for '1595' - year", 1595, book.getYear());

      id = "xyz";
      book = manager.getBook(id);
      assertNull("Test for non-existent", book);
   }
   
   public void testupdate() throws DAOException {
      String id;
      Book book;
      
      manager.updateBook("ID30", "new The Tempest", "new William Shakespeare", -1611);
      manager.updateBook("ID31", "new A Midsummer Night's Dream", "new William Shakespeare", -1595);

      book = manager.getBook("ID30");
      assertEquals("Test for 'new The Tempest' - title", "new The Tempest", book.getTitle());
      assertEquals("Test for 'new William Shakespeare' - author", "new William Shakespeare", book.getAuthor());
      assertEquals("Test for '-1611' - year", -1611, book.getYear());

      book = manager.getBook("ID31");
      assertEquals("Test for 'new A Midsummer Night's Dream' - title", "new A Midsummer Night's Dream", book.getTitle());
      assertEquals("Test for 'new William Shakespeare' - author", "new William Shakespeare", book.getAuthor());
      assertEquals("Test for '-1595' - year", -1595, book.getYear());

   }
   
   public void testcreate() throws DAOException {
      String id;
      Book book;
      
      String id1 = "ID30";
      try {
         manager.deleteBook(id1);
      } catch (Exception e) {}
      manager.createBook("ID30", "The Tempest", "William Shakespeare", 1611);

      String id2 = "ID31";
      try {
         manager.deleteBook(id2);
      } catch (Exception e) {}
      manager.createBook("ID31", "A Midsummer Night's Dream", "William Shakespeare", 1595);

      id = "ID30";
      book = manager.getBook(id);
      assertEquals("Test for 'ID30'", id, book.getId());
      assertEquals("Test for 'The Tempest' - title", "The Tempest", book.getTitle());
      assertEquals("Test for 'William Shakespeare' - author", "William Shakespeare", book.getAuthor());
      assertEquals("Test for '1611' - year", 1611, book.getYear());

      id = "ID31";
      book = manager.getBook(id);
      assertEquals("Test for 'ID31'", id, book.getId());
      assertEquals("Test for 'A Midsummer Night's Dream' - title", "A Midsummer Night's Dream", book.getTitle());
      assertEquals("Test for 'William Shakespeare' - author", "William Shakespeare", book.getAuthor());
      assertEquals("Test for '1595' - year", 1595, book.getYear());

      id = "xyz";
      book = manager.getBook(id);
      assertNull("Test for non-existent", book);
   }
   
   public void testdelete() throws DAOException {
      String id;
      Book book;
      
      id = "ID30";
      book = manager.getBook("ID30");
      assertEquals("Test for 'ID30'", id, book.getId());

      manager.deleteBook(id);
      book = manager.getBook("ID30");
      assertNull("Test for deleted 'ID30'", book);

      id = "ID31";
      book = manager.getBook("ID31");
      assertEquals("Test for 'ID31'", id, book.getId());

      manager.deleteBook(id);
      book = manager.getBook("ID31");
      assertNull("Test for deleted 'ID31'", book);

   }
   
   public void testall() throws DAOException {
      String id;
      Book book;
      Collection c; 
      
      c = manager.getAll();
      assertTrue("Number of Books", c.size() >= 2);
   }
   
   public void testfindtitle() throws DAOException {
      String id;
      Book book;
      Collection c; 
      
      c = manager.findBookTitle("The Tempest");
      assertEquals("search for 'The Tempest'", 1, c.size());
      assertEquals("title 'The Tempest'", "The Tempest", ((Book)c.iterator().next()).getTitle());

      c = manager.findBookTitle("A Midsummer Night's Dream");
      assertEquals("search for 'A Midsummer Night's Dream'", 1, c.size());
      assertEquals("title 'A Midsummer Night's Dream'", "A Midsummer Night's Dream", ((Book)c.iterator().next()).getTitle());

      c = manager.findBookTitle("xyz");
      assertEquals("search for non-existent", 0, c.size());
      
   }
   
   public void testfindauthor() throws DAOException {
      String id;
      Book book;
      Collection c; 
      
      c = manager.findBookAuthor("William Shakespeare");
      assertEquals("search for 'William Shakespeare'", 1, c.size());
      assertEquals("author 'William Shakespeare'", "William Shakespeare", ((Book)c.iterator().next()).getAuthor());

      c = manager.findBookAuthor("William Shakespeare");
      assertEquals("search for 'William Shakespeare'", 1, c.size());
      assertEquals("author 'William Shakespeare'", "William Shakespeare", ((Book)c.iterator().next()).getAuthor());

      c = manager.findBookAuthor("xyz");
      assertEquals("search for non-existent", 0, c.size());
      
   }
   
   public void testfindyear() throws DAOException {
      String id;
      Book book;
      Collection c; 
      
      c = manager.findBookYear(1611);
      assertEquals("search for '1611'", 1, c.size());
      assertEquals("year '1611'", 1611, ((Book)c.iterator().next()).getYear());

      c = manager.findBookYear(1595);
      assertEquals("search for '1595'", 1, c.size());
      assertEquals("year '1595'", 1595, ((Book)c.iterator().next()).getYear());

      c = manager.findBookYear(-1);
      assertEquals("search for non-existent", 0, c.size());
      
   }
   
   public static void main(String[] args) {
      junit.textui.TestRunner.run(BookTest.class);
   }

}