import junit.framework.TestCase;
import org.junit.Assert;
import org.junit.Test;

import java.util.ArrayList;
import java.util.List;


public class DatabaseConnectorTest extends TestCase {
    DatabaseConnector obj = new DatabaseConnector();

    @Test
    public void testDatabaseConnection() throws Exception{
        assertTrue("Nie można połączyć z bazą danych!", obj.getGroups().size() >= 0);
        return;
    }

    @Test
    public void testGetTeachers() throws Exception {
        List<String> expectedTeachersList = new ArrayList<String>();
        expectedTeachersList.add("1:Jan Kowalski");
        expectedTeachersList.add("2:Jan Nowak");
        expectedTeachersList.add("3:Adam Nowak");
        expectedTeachersList.add("5:Julian Janus");
        expectedTeachersList.add("6:Jan Jan");
        expectedTeachersList.add("7:Ola Ola");
        expectedTeachersList.add("8:Anna Anna");
        expectedTeachersList.add("9:Anna Annna");
        expectedTeachersList.add("10:AA AA");
        Assert.assertEquals(expectedTeachersList, obj.getTeachers());
        return;
    }

    @Test
    public void testGetGroups() throws Exception {
        List<String> expectedGroupsList = new ArrayList<String>();
        expectedGroupsList.add("9:CA1");
        expectedGroupsList.add("10:CA2");
        expectedGroupsList.add("11:CA3");
        expectedGroupsList.add("12:CA4");
        Assert.assertEquals(expectedGroupsList, obj.getGroups());
        return;
    }

    @Test
    public void testGetRooms() throws Exception {
        List<String> expectedRoomList = new ArrayList<String>();
        expectedRoomList.add("101");
        expectedRoomList.add("102");
        expectedRoomList.add("103");
        expectedRoomList.add("410");
        Assert.assertEquals(expectedRoomList, obj.getRooms());
        return;
    }

}