Hajj-simulation/tests/CampaignTest.java

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import java.util.ArrayList;

import static org.junit.jupiter.api.Assertions.*;

public class CampaignTest {

    private Campaign campaign;

    @BeforeEach
    void setUp() {
        int numberOfBusses = 50;
        campaign = new Campaign(District.ALAZIZIYA,
                numberOfBusses);
    }

    @Test
    void VehicleSettersGettersWorkCorrcectly() {
        ArrayList<Vehicle> oldVehicles = campaign.getVehicles();
        assertSame(oldVehicles, campaign.getVehicles());
        ArrayList<Vehicle> newVehicles = new ArrayList<>();
        for (int i = 0; i < 150; i++) {
            newVehicles.add(new Bus(5));
        }
        campaign.setVehicles(newVehicles);
        assertNotSame(oldVehicles, newVehicles);
        assertSame(campaign.getVehicles(), newVehicles);
    }

    @Test
    void GenerateBussesToSameValAsParam() {
        campaign.generateBusses(50);
        assertEquals(campaign.getVehicles().size(), 50);
    }

    @Test
    void ConstructorWithNumberOfBusses() {
        campaign = new Campaign(District.ALAZIZIYA, 60);
        assertNotNull(campaign.getVehicles());

        ArrayList<Vehicle> list = new ArrayList<>();
        list.add(new Bus(5));
        list.add(new Bus(7));
        campaign = new Campaign(District.ALAZIZIYA, list);
        assertNotNull(campaign.getVehicles());
    }

    /*
    This test depends on order of tests in this file.
    It tests a var related to a static member.
    The Junit way is to run setUp() for every test case;
    thus, making the static car count up to how many times
    the object is constructed.
     */
    @Test
    void UID_AsExpected(){
        String uid = campaign.getUID();
        assertTrue(campaign.getUID().matches("CAMP0006"));
    }
}