ZCW-MesoLabs-Inheritance-ProductManager-BlueJ/InventoryTest.java

import static org.junit.Assert.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.util.List;

public class InventoryTest{
    
    @Test
    public void testAddInventory() {
        Inventory inventory = new Inventory();
        Product product = new Product();
        
        inventory.add(product);
        List<Product> products = inventory.getProducts();
        Product actualProduct = products.get(0);
        
        assertEquals(product, actualProduct);
    }
    
    @Test
    public void testGetTotalQuantity() {
        Inventory inventory = new Inventory(); 
        Product tea = new Product (1, 1.99, 10);
        Product coffee = new Product(9, 3.99, 5);
        inventory.add(tea);
        inventory.add(coffee);
        
        int actualQuantity = inventory.getTotalQuantity();
        int expectedQuantity = 15;
        
        assertEquals(expectedQuantity, actualQuantity);
    }
}