public void ProductStock_AddMethodThrowsExceptionWhenAddingInvalidProdduct()
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
Assert.Throws <ArgumentNullException>(() => stock.Add(new Product(null, 12.4m, 2)));
}
public void ProductStock_CountMethodReturnsCorrectNumberOfProductsInStock()
{
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));
Assert.AreEqual(stock.Count, 2);
}
public void ProductStock_FindMethodThrowsExceptionWhenSearchingWithInvalidIndex(int index)
{
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));
Assert.Throws <IndexOutOfRangeException>(() => stock.Find(index));
}
public void ProductStock_FindMethodReturnsCorrectElement(int index, string name)
{
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));
Assert.AreEqual(stock.Find(index).CompareTo(new Product(name, 12.4m, 3)), 0);
}
public void ProductStock_AddMethodIncreasesCountCorrectly()
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("HDD", 12.4m, 2));
Assert.AreEqual(stock.Count, 2);
}
public void ProductStock_FindByLabelThrowsExceptionWhenProductCannotBeFound()
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
Assert.Throws <ArgumentException>(() => stock.FindByLabel("GPU"));
}
public void ProductStock_FindByLabelReturnsTheCorrectProduct()
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
Assert.AreEqual(stock.FindByLabel("SSD").CompareTo(new Product("SSD", 12.4m, 3)), 0);
}
public void ProductStock_RemoveMethodReturnsFalse()
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
Assert.IsFalse(stock.Remove(new Product("GPU", 12.4m, 3)));
}
public void ProductStock_RandomTest()
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
stock.FindByLabel("SSD").Price = 100;
}
public void ProductStock_IndexerThrowsExceptionWhenGettingInvalidIndex(int index)
{
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));
IProduct result = null;
Assert.Throws <IndexOutOfRangeException>(() => result = stock[index]);
}
public void ProductStock_IndexerThrowsExceptionWhenSettingNullProduct(int index)
{
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));
IProduct result = null;
Assert.Throws <ArgumentNullException>(() => stock[index] = result);
}
public void ProductStock_IndexerGetsTheCorrectElementFromStock(string name, int index)
{
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));
IProduct result = stock[index];
Assert.AreEqual(result.CompareTo(new Product(name, 12.4m, 3)), 0);
}
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_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_FindMostExpensiveProductReturnsCorrectValue()
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
var result = stock.FindMostExpensiveProduct();
Assert.AreEqual(result.CompareTo(new Product("HDD", 20.7m, 3)), 0);
}
public void ProductStock_FindByPriceRangeReturnsCorrectEmptyCollection(decimal lo, decimal hi)
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
var result = stock.FindAllInRange(lo, hi);
Assert.AreEqual(result.Count(), 0);
}
public void ProductStock_RemoveMethodReturnsTrue()
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
Assert.IsTrue(stock.Remove(new Product("SSD", 12.4m, 3)));
Assert.AreEqual(stock[0].Quantity, 0);
}
public void ProductStock_ContainsMethodReturnsFalse(string name, decimal price, int quantity)
{
var stock = new ProductStock();
stock.Add(new Product(name, price, quantity));
Assert.IsFalse(stock.Contains(new Product("GPU", 12.4m, 3)));
}
public void ProductStock_FindByPriceRangeReturnsCorrectNonEmptyCollection(decimal lo, decimal hi, string orderNames)
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
var result = stock.FindAllInRange(lo, hi);
var names = orderNames.Split(" ").ToArray();
int i = 0;
foreach (var item in result)
{
Assert.AreEqual(item.CompareTo(new Product(names[i++], 12.4m, 3)), 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 ProductStock_TestEnumeratorReturnsCorrectValue()
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
var items = new List <IProduct>()
{
new Product("SSD", 12.4m, 3), new Product("CPU", 16.5m, 3), new Product("HDD", 20.7m, 3), new Product("RAM", 14.9m, 3)
};
int index = 0;
Console.WriteLine();
foreach (var item in stock)
{
Assert.AreEqual(item.CompareTo(items[index++]), 0);
}
}
public void Add_ShouldIncreaseCountCorrectly()
{
productStock.Add(product);
var expectedCount = 1;
var actualCount = productStock.Count;
Assert.AreEqual(expectedCount, actualCount);
}
public void ProductStock_AddMethodThrowsExceptionWhenAddingNullProdduct()
{
var stock = new ProductStock();
Assert.Throws <ArgumentNullException>(() => stock.Add(null));
}
public void AddMethod_ShouldAddProductsIfLabelIsUnique(string label)
{
var product0 = new Product(label, 1.20m, 1);
var product1 = new Product("other", 1.20m, 1);
productStock.Add(product0);
productStock.Add(product1);
Assert.AreEqual(product0, productStock[0]);
Assert.AreEqual(product1, productStock[1]);
Assert.AreEqual(2, productStock.Count);
}