public void FindAllByQuantity_On_WrongArgument_ShouldReturnEmpty_Enumeration()
{
//Arrange
IProductStock stock = new Instock();
Product product1 = new Product("SalamShpekov", 3.50, 50);
Product product2 = new Product("BekonNov", 2.65, 43);
Product product3 = new Product("MayonezaNiskomaslena", 1.30, 13);
Product product4 = new Product("Ketchup", 1.80, 73);
Product product5 = new Product("Jelqzo", 0.70, 20);
Product product6 = new Product("Belina", .75, 50);
Product product7 = new Product("Sirene", .77, 50);
//Act
stock.Add(product1);
stock.Add(product2);
stock.Add(product3);
stock.Add(product4);
stock.Add(product5);
stock.Add(product6);
stock.Add(product7);
stock.ChangeQuantity("Sirene", 5);
stock.ChangeQuantity("SalamShpekov", 5);
stock.ChangeQuantity("Belina", 5);
//Assert
List <Product> expected = new List <Product>();
List <Product> actual = stock.FindAllByQuantity(500).ToList();
CollectionAssert.AreEqual(expected, actual);
}
public void ChangeQuantity_On_Multiple_Elements_ShouldWorkCorrectly()
{
//Arrange
IProductStock stock = new Instock();
Product product1 = new Product("SalamShpekov", 3.50, 560);
Product product2 = new Product("BekonNov", 2.65, 43);
Product product3 = new Product("MayonezaNiskomaslena", 1.30, 13);
Product product4 = new Product("Ketchup", 1.80, 73);
Product product5 = new Product("Jelqzo", 0.70, 130);
Product product6 = new Product("Belina", .75, 240);
Product product7 = new Product("Sirene", .77, 30);
//Act
stock.Add(product1);
stock.Add(product2);
stock.Add(product3);
stock.Add(product4);
stock.Add(product5);
stock.Add(product6);
stock.Add(product7);
stock.ChangeQuantity(product4.Label, 50);
stock.ChangeQuantity(product7.Label, 50);
stock.ChangeQuantity(product3.Label, 50);
//Assert
List <Product> expected = new List <Product>()
{
product4, product7, product3
};
List <Product> actual = stock.FindAllByQuantity(50).ToList();
CollectionAssert.AreEqual(expected, actual);
}
static void Main(string[] args)
{
IProductStock stock = new Instock();
Product product1 = new Product("SalamShpekov", 3.50, 560);
Product product2 = new Product("BekonNov", 2.65, 43);
Product product3 = new Product("MayonezaNiskomaslena", 1.30, 13);
Product product4 = new Product("Ketchup", 1.80, 73);
Product product5 = new Product("Jelqzo", 0.70, 130);
Product product6 = new Product("Belina", .75, 240);
Product product7 = new Product("Sirene", .77, 30);
//Act
stock.Add(product1);
stock.Add(product2);
stock.Add(product3);
stock.Add(product4);
stock.Add(product5);
stock.Add(product6);
stock.Add(product7);
stock.ChangeQuantity(product4.Label, 50);
stock.ChangeQuantity(product7.Label, 50);
stock.ChangeQuantity(product3.Label, 50);
//Assert
List <Product> expected = new List <Product>()
{
product4, product7, product3
};
List <Product> actual = stock.FindAllByQuantity(50).ToList();
;
}
public void ChangeQuantity_100000_OnSameProduct_ShouldWorkFast()
{
// Arrange
IProductStock stock = new Instock();
const int count = 100000;
List <Product> products = new List <Product>(100000);
for (int i = 0; i < count; i++)
{
Product p = new Product(i.ToString(), i, i);
stock.Add(p);
products.Add(p);
}
// Act & Assert
Stopwatch sw = Stopwatch.StartNew();
Random rand = new Random();
for (int i = 0; i < 50000; i++)
{
int qty = rand.Next(50, 10000);
stock.ChangeQuantity(products[576].Label, qty);
Assert.AreEqual(products[576].Quantity, qty);
}
sw.Stop();
Assert.Less(sw.ElapsedMilliseconds, 200);
}
public void ChangeQuantity_On_NonExisting_Product_ShouldThrow()
{
//Arrange
IProductStock stock = new Instock();
Product product1 = new Product("SalamShpekov", 3.50, 50);
Product product2 = new Product("BekonNov", 2.65, 43);
Product product3 = new Product("MayonezaNiskomaslena", 1.30, 13);
//Act
//Assert
Assert.Throws<ArgumentException>(() => stock.ChangeQuantity("Barekov", 0));
}
public void FindByLabel_Should_Work_Correctly()
{
//Arrange
IProductStock stock = new Instock();
Product product1 = new Product("SalamShpekov", 3.50, 50);
Product product2 = new Product("BekonNov", 2.65, 43);
Product product3 = new Product("MayonezaNiskomaslena", 1.30, 13);
//Act
stock.Add(product1);
stock.Add(product2);
stock.Add(product3);
stock.ChangeQuantity("SalamShpekov", 3);
//Assert
Assert.IsTrue(stock.Contains(product1));
Assert.AreSame(product2, stock.FindByLabel("BekonNov")
, "FindByLabel on existing element should return the element itself");
}
public void ChangeQuantity_On_ExistingProduct_ShouldWorkCorrectly()
{
//Arrange
IProductStock stock = new Instock();
Product product1 = new Product("SalamShpekov", 3.50, 50);
Product product2 = new Product("BekonNov", 2.65, 43);
Product product3 = new Product("MayonezaNiskomaslena", 1.30, 13);
//Act
stock.Add(product1);
stock.Add(product2);
stock.Add(product3);
stock.ChangeQuantity("SalamShpekov", 3);
int expected = 3;
int actual = stock.FindByLabel("SalamShpekov").Quantity;
//Assert
Assert.AreEqual(3, stock.Count);
Assert.AreEqual(expected, actual);
}
public static void Main()
{
var stock = new Instock();
var productA = new Product("A", 50, 100);
var productC = new Product("C", 100, 10);
var productB = new Product("B", 50, 3);
stock.Add(productA);
stock.Add(productC);
stock.Add(productB);
var contains = stock.Contains(productC);
var find = stock.Find(0);
stock.ChangeQuantity("C", -10);
var byLabel = stock.FindByLabel("C");
var firstCountByAscLabel = stock.FindFirstByAlphabeticalOrder(2);
var byPriceRange = stock.FindAllInRange(30, 500);
var byPrice = stock.FindAllByPrice(50);
var firstMostExpensive = stock.FindFirstMostExpensiveProducts(2);
}
