package org.aegee.runanddine.pathfinder;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.util.List;

import org.aegee.runanddine.AbstractDbEnabledTest;
import org.aegee.runanddine.util.data.ModelNotExistingException;
import org.junit.Test;

public class DistanceMatrixManagerTest extends AbstractDbEnabledTest
{
	/**
	 * Test of getInstance()
	 * 
	 * @throws Exception
	 */
	@Test
	public void testGetInstance() throws Exception
	{
		DistanceMatrixManager dmm1 = DistanceMatrixManager.getInstance();
		DistanceMatrixManager dmm2 = DistanceMatrixManager.getInstance();
		assertNotNull(dmm1);
		assertTrue(dmm1 == dmm2);
	}

	/**
	 * Test of getById() with id for existing entry
	 */
	@Test
	public void testGetByIdExisting() throws Exception
	{
		DistanceMatrixManager dmm = DistanceMatrixManager.getInstance();
		DistanceMatrix dm = new DistanceMatrix(10);
		dmm.save(dm);
		dmm.getById(dm.getId());
		dmm.delete(dm);
	}

	/**
	 * Test getAllByRunAndDineId() with existing models
	 */
	@Test
	public void testGetByRunAndDineIdExisting() throws ModelNotExistingException
	{
		int runAndDineId = 1;
		DistanceMatrixManager dmm = DistanceMatrixManager.getInstance();
		DistanceMatrix dm = new DistanceMatrix(10);
		dm.setRunAndDineId(runAndDineId);
		dmm.save(dm);
		dmm.getByRunAndDineId(runAndDineId);
		dmm.delete(dm);
	}

	/**
	 * Test getAllByRunAndDineId() with no existing models
	 */
	@Test(expected = ModelNotExistingException.class)
	public void testGetByRunAndDineIdNotExisting() throws ModelNotExistingException
	{
		int runAndDineId = 1;
		DistanceMatrixManager dmm = DistanceMatrixManager.getInstance();
		dmm.getByRunAndDineId(runAndDineId);
	}

	/**
	 * Test getById() with id for existing entry
	 */
	@Test(expected = ModelNotExistingException.class)
	public void testGetByIdNotExisting() throws ModelNotExistingException
	{
		int id = 1;
		DistanceMatrixManager dmm = DistanceMatrixManager.getInstance();
		DistanceMatrix dm = dmm.getById(id);
	}

	/**
	 * Test getAll with no existing models
	 */
	@Test
	public void testGetAllNoneExisting()
	{
		DistanceMatrixManager dmm = DistanceMatrixManager.getInstance();
		List<DistanceMatrix> dml = dmm.getAll();
		assertNotNull(dml);
		assertTrue(dml.isEmpty());
	}

	/**
	 * Test save() creating entry
	 */
	@Test
	public void testSaveCreate()
	{
		DistanceMatrixManager dmm = DistanceMatrixManager.getInstance();
		DistanceMatrix dm = new DistanceMatrix(10);
		dmm.save(dm);
		assertTrue(dm.getId() != 0);
		dmm.delete(dm);
	}

	/**
	 * Test save() updating entry
	 */
	@Test
	public void testSaveUpdate() throws ModelNotExistingException
	{
		DistanceMatrixManager dmm = DistanceMatrixManager.getInstance();
		DistanceMatrix dm = new DistanceMatrix(10);
		dm.setRunAndDineId(1);
		dmm.save(dm);
		dm.setRunAndDineId(2);
		dmm.save(dm);
		assertEquals(dmm.getById(dm.getId()).getRunAndDineId(), 2);
		dmm.delete(dm);
	}

	/**
	 * Test delete()
	 */
	@Test(expected = ModelNotExistingException.class)
	public void testDelete() throws ModelNotExistingException
	{
		DistanceMatrixManager srm = DistanceMatrixManager.getInstance();
		DistanceMatrix sr = new DistanceMatrix(10);
		srm.save(sr);
		int id = sr.getId();
		srm.delete(sr);
		srm.getById(id);
	}

	/**
	 * Test newObject()
	 */
	@Test(expected = UnsupportedOperationException.class)
	public void testNewObject()
	{
		DistanceMatrixManager srm = DistanceMatrixManager.getInstance();
		srm.newObject();
	}
}