package observer_pattern_tests.vessel;

import static org.junit.Assert.*;
import org.junit.Test;
import seabedexplorer.observer.Observer;
import seabedexplorer.submersible.AUV;
import seabedexplorer.submersible.MS;
import seabedexplorer.submersible.ROV;
import seabedexplorer.submersible.Submersible;
import seabedexplorer.util.submersible.SubmersibleUtil;
import seabedexplorer.vessel.Vessel;

/**
 *
 * @author cdrbv
 */
public class VesselTest {
    
    public VesselTest() {
    }

    /**
     * Test of attach method, of class Vessel.
     */
    @Test
    public void testAttach() {
        System.out.println("attach");
        Observer AUV = new AUV();
        Observer ROV = new ROV();
        Observer MS = new MS();
        Vessel v = new Vessel();
        v.attach(AUV);
        v.attach(ROV);
        v.attach(MS);
        final int expectedValue = 3;
        assertEquals(expectedValue, v.getNoSubmersibles());
    }

    /**
     * Test of detach method, of class Vessel.
     */
    @Test
    public void testDetach() {
        System.out.println("detach");
        Vessel v = new Vessel();
        Observer AUV = new AUV();
        Observer ROV = new ROV();
        Observer MS = new MS();
        v.attach(AUV);
        v.attach(ROV);
        v.attach(MS);
        v.detach(AUV);
        v.detach(ROV);
        v.detach(MS);
        final int expectedValue = 0;
        assertEquals(expectedValue, v.getNoSubmersibles());
    }

    /**
     * Test of updateObservers method, of class Vessel.
     */
    @Test
    public void testUpdateObservers() {
        System.out.println("updateObservers");
        Vessel v = new Vessel();
        for(Submersible s: SubmersibleUtil.GenerateRandomSubmersibles(3))
        {
            v.attach(s);
        }
        boolean result = v.updateObservers("info");
        assertTrue(result);
    }


    
}