public void ProductStock_FindByPriceReturnCorrectEmptyCollection(decimal price)
{
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.FindAllByPrice(price);
Assert.AreEqual(result.Count(), 0);
}
public void ProductStock_FindByPriceReturnCorrectNonEmptyCollection()
{
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.FindAllByPrice(12.4m);
string[] names = new string[] { "SSD", "HDD", "RAM" };
int i = 0;
foreach (var item in result)
{
Assert.AreEqual(item.CompareTo(new Product(names[i++], 12.4m, 3)), 0);
}
}
public void FindAllByPrice_ReturnsProductsOrEmptyCollection(decimal targetPrice)
{
var productsWithPrice = new List <IProduct>();
for (int i = 0; i < 3; i++)
{
var product = new Product($"{i}", 1.1m, 1);
productStock.Add(product);
if (product.Price == targetPrice)
{
productsWithPrice.Add(product);
}
}
var productsFound = productStock.FindAllByPrice(targetPrice);
CollectionAssert.AreEqual(productsFound, productsWithPrice);
}
public void FindAllByPrice_ShouldReturnEmptyEnumeration()
{
var actual = productStock.FindAllByPrice(10);
Assert.IsEmpty(actual);
}
