public void FindAllByQuantity_ReturnsProductsOrEmptyCollection(int quantity)
{
var productsWithQuantity = new List <IProduct>();
for (int i = 0; i <= 3; i++)
{
var product = new Product($"{i} product", 1.1m, i + 1);
var product2 = new Product($" product{i}", 2.2m, i + 2);
productStock.Add(product);
productStock.Add(product2);
if (product.Quantity == quantity)
{
productsWithQuantity.Add(product);
}
if (product2.Quantity == quantity)
{
productsWithQuantity.Add(product2);
}
}
var productsFound = productStock.FindAllByQuantity(quantity);
CollectionAssert.AreEqual(productsFound, productsWithQuantity);
}
public void ProductStock_FindByPriceReturnsCorrectEmptyCollection(int quantity)
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("HDD", 12.4m, 3));
stock.Add(new Product("RAM", 12.4m, 3));
var result = stock.FindAllByQuantity(quantity);
Assert.AreEqual(result.Count(), 0);
}
public void ProductStock_FindByQuantityReturnCorrectNonEmptyCollection()
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("HDD", 12.4m, 3));
stock.Add(new Product("RAM", 12.4m, 3));
var result = stock.FindAllByQuantity(3);
string[] names = new string[] { "HDD", "RAM" };
int i = 0;
foreach (var item in result)
{
Assert.AreEqual(item.CompareTo(new Product(names[i++], 12.4m, 3)), 0);
}
}
public void FindAllByQuantity_ShouldReturnEmptyEnumeration()
{
var actual = productStock.FindAllByQuantity(2);
Assert.IsEmpty(actual);
}