public void TestCase1()
{
// arrange
_posTerminal.Scan("ABCDABA");
// act, assert
Assert.AreEqual(13.25, _posTerminal.CalculateTotal());
}
static void Main(string[] args)
{
var products = new List <ProductDTO>
{
new ProductDTO {
Code = "A", RetailPrice = 1.25m, VolumePrice = 3m, VolumeQuantity = 3
},
new ProductDTO {
Code = "B", RetailPrice = 4.25m
},
new ProductDTO {
Code = "C", RetailPrice = 1m, VolumePrice = 5m, VolumeQuantity = 6
},
new ProductDTO {
Code = "D", RetailPrice = 0.75m
}
};
PointOfSaleTerminal terminal1 = new PointOfSaleTerminal();
terminal1.SetPricing(products);
terminal1.Scan("A");
terminal1.Scan("B");
terminal1.Scan("C");
terminal1.Scan("D");
terminal1.Scan("A");
terminal1.Scan("B");
terminal1.Scan("A");
Console.WriteLine($"ABCDABA - 13.25???{terminal1.CalculateTotal()}");
PointOfSaleTerminal terminal2 = new PointOfSaleTerminal();
terminal2.SetPricing(products);
terminal2.Scan("C");
terminal2.Scan("C");
terminal2.Scan("C");
terminal2.Scan("C");
terminal2.Scan("C");
terminal2.Scan("C");
terminal2.Scan("C");
Console.WriteLine($"CCCCCCC - 6???{terminal2.CalculateTotal()}");
PointOfSaleTerminal terminal3 = new PointOfSaleTerminal();
terminal3.SetPricing(products);
terminal3.Scan("A");
terminal3.Scan("B");
terminal3.Scan("C");
terminal3.Scan("D");
Console.WriteLine($"ABCD - 7.25???{terminal3.CalculateTotal()}");
Console.ReadLine();
}
public void Scan_NullProductCodeShouldRaiseException()
{
string productCode = null;
Action act = () => terminal.Scan(productCode);
ArgumentNullException exception = Assert.Throws <ArgumentNullException>(act);
Assert.Equal(nameof(productCode), exception.ParamName);
}
public void ShouldCalculateTotalCorrectly(string[] productCodes, decimal expectedTotalPrice)
{
foreach (var code in productCodes)
{
_terminal.Scan(code);
}
var totalPrice = _terminal.CalculateTotal();
Assert.Equal(expectedTotalPrice, totalPrice);
}
private void ScanStringAsChars(PointOfSaleTerminal terminal, string productCodes)
{
foreach (char ch in productCodes)
{
terminal.Scan(ch.ToString());
}
}
public void CalculateTotal_Should_Return_Correct_Sum(string productCodes, double totalPrice)
{
// arrange
IPointOfSaleTerminal terminal = new PointOfSaleTerminal();
IReadOnlyDictionary <string, ProductPricingSettings> settings = new Dictionary <string, ProductPricingSettings>
{
{ "A", new ProductPricingSettings(1.25, 3, 3) },
{ "B", new ProductPricingSettings(4.25) },
{ "C", new ProductPricingSettings(1, 5, 6) },
{ "D", new ProductPricingSettings(0.75) },
{ "E", new ProductPricingSettings(1, 0.75, 1) }
};
terminal.SetPricing(settings);
foreach (char productCode in productCodes)
{
terminal.Scan(productCode.ToString());
}
// act
double result = terminal.CalculateTotal();
// assert
Assert.Equal(totalPrice, result);
}
public void Scan_WhenABCD_ThenPriceIs7_25()
{
// Arrange
PointOfSaleTerminal terminal = new PointOfSaleTerminal();
terminal.SetPricing();
terminal.Scan("A");
terminal.Scan("B");
terminal.Scan("C");
terminal.Scan("D");
// Act
decimal result = terminal.GetSaleTotal();
// Assert
Assert.Equal(7.25m, result);
}
public void Scan_Should_Throw_ArgumentNullException_If_ProductCode_Is_Null_or_Empty(string productCode)
{
// arrange
IPointOfSaleTerminal terminal = new PointOfSaleTerminal();
// assert
Assert.Throws <ArgumentNullException>(() => terminal.Scan(productCode));
}
public void Scan()
{
var terminal = new PointOfSaleTerminal(new Cart(), this._mockProductRepository.Object);
var ex = Should.Throw <ProductNotFoundException>(() => terminal.Scan("B"));
ex.ProductName.ShouldBe("B");
}
public void ShouldRaiseExceptionIfScanUnknownProduct()
{
var sut = new PointOfSaleTerminal();
sut.SetPricing(new ProductCatalog());
Assert.Throws <ProductNotFoundException>(() => sut.Scan("A"));
}
public void Scan_ProductNotFoundException()
{
// arrange
var posTerminal = new PointOfSaleTerminal();
// act
// assert
posTerminal.Scan("A");
}
public void Test(string itemList, decimal expectedTotal)
{
foreach (var itemName in itemList.ToCharArray())
{
_terminal.Scan(itemName.ToString());
}
Assert.AreEqual(expectedTotal, _terminal.CalculateTotal());
}
private void Perform_ATest(string productCode, double expected)
{ //Arrange
productOrder = terminal.Scan(productCode, productOrder);
productOrder = terminal.SetPricing(productOrder);
//Act
double actual = terminal.CalculateTotal(productOrder);
//Assert
Assert.AreEqual(expected, actual);
}
public decimal?CalculatePrice(IEnumerable <string> inputs)
{
_terminal.SetPricing(_pricesRepository.GetPrices());
foreach (var productName in inputs)
{
_terminal.Scan(productName);
}
return(_terminal.CalculateTotal());
}
public void Scan_Success()
{
// arrange
var posTerminal = new PointOfSaleTerminal();
posTerminal.SetPricing(new Product('A', 1));
// act
// assert
posTerminal.Scan("A");
}
public void Scan_ShouldAddAnItemToAnOrderList_WhenScannerCanFindAStockItem()
{
string itemCode = "A";
decimal priceA = 1.25m;
var item = SetupScannerWithStockItem(itemCode);
SetupPricingService(item, priceA);
_sut.Scan(itemCode);
_codeScannerMock.VerifyAll();
_orderListMock.Verify(i => i.AddItem(item, priceA), Times.Once);
}
public void Should_ThrowException_When_PricesNotDefined()
{
//Arrange
string productCode = "NotDefinedProduct";
//Act-Assert
var ex = Assert.ThrowsException <PricesNotSpecifiedException>(() => _terminal.Scan(productCode));
}
public void Scan()
{
var mockCart = new Mock <ICart>();
mockCart.Setup(
c => c.Add(It.IsAny <IProduct>())
).Verifiable();
var terminal = new PointOfSaleTerminal(mockCart.Object, this._mockProductRepository.Object);
terminal.Scan(PRODUCT_NAME);
mockCart.Verify(c => c.Add(It.Is <IProduct>(p => p.Id == this._mockProduct.Object.Id)), Times.Once);
}
public void CalculateTotal_PassDifferentOrders_ShouldReturnActualSum(string orders, double expectedTotalPrice)
{
//Arrange
foreach (var order in orders)
{
_terminal.Scan(order.ToString());
}
//Act
var actualTotalPrice = _terminal.CalculateTotal();
//Assert
Assert.AreEqual(expectedTotalPrice, actualTotalPrice);
}
public void Scan_ScanProductThatIsNotRegistered_ReturnsFailedOperation(string productId)
{
var sut = new PointOfSaleTerminal();
var result = sut.Scan(productId);
using (new AssertionScope())
{
result.Success.Should().BeFalse();
result.Errors.Count.Should().Be(1);
result.Errors.First().Message
.Should()
.Be($"Product with id {productId} could not be scanned. No info how much does it cost.");
}
}
public void Scan_ScannedItemIsRegistered_ReturnsSucceededOperation(Generator <PricingRule> generator)
{
var rules = generator.Take(5).ToList();
rules.ForEach(r => r.Count = 1);
var sut = new PointOfSaleTerminal();
sut.SetPricing(rules);
var result = sut.Scan(rules[3].Id);
using (new AssertionScope())
{
result.Success.Should().BeTrue();
}
}
public void CalculateTotal_DifferentCorrectItemsScanned_CalculatesCorrectly(string productIds, decimal expected)
{
var sut = new PointOfSaleTerminal();
sut.SetPricing(Rules);
foreach (var s in productIds)
{
sut.Scan(s.ToString());
}
var actual = sut.CalculateTotal();
using (new AssertionScope())
{
actual.Should().Be(expected);
}
}
private static void Main()
{
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
IConfigurationRoot configuration = builder.Build();
var shop = new Shop();
configuration.GetSection("Shop").Bind(shop);
var terminal = new PointOfSaleTerminal();
terminal.SetPricing(shop);
var products = Console.ReadLine();
products?.ToCharArray().ToList().ForEach(p => terminal.Scan(p.ToString()));
Console.WriteLine($"Total price is: {terminal.Checkout()}");
Console.Read();
}
public void Scan_ScanProductWithEmptyId_ReturnsFailedOperation(Generator <PricingRule> generator)
{
var rules = generator.Take(5).ToList();
rules.ForEach(r => r.Count = 1);
var sut = new PointOfSaleTerminal();
sut.SetPricing(rules);
var result = sut.Scan(null);
using (new AssertionScope())
{
result.Success.Should().BeFalse();
result.Errors.Count.Should().Be(1);
result.Errors.First().Message
.Should()
.Be("Product with null or empty id could not be scanned.");
}
}
public void Scan_WhenCCCCCC_ThenPriceIs6()
{
// Arrange
PointOfSaleTerminal terminal = new PointOfSaleTerminal();
terminal.SetPricing();
terminal.Scan("C");
terminal.Scan("C");
terminal.Scan("C");
terminal.Scan("C");
terminal.Scan("C");
terminal.Scan("C");
terminal.Scan("C");
// Act
decimal result = terminal.GetSaleTotal();
// Assert
Assert.Equal(6m, result);
}
static void Main( string[] args )
{
if (1 != args.Length)
{
System.Console.WriteLine("Usage: PointOfSaleTernimal <command file>");
}
else
{
PointOfSaleTerminal terminal = new PointOfSaleTerminal();
System.IO.StreamReader priceFile = new System.IO.StreamReader(args[0]);
string line = priceFile.ReadLine();
if (null != line)
{
terminal.SetPricing(line);
while ((line = priceFile.ReadLine()) != null)
{
terminal.Scan(line);
}
}
System.Console.WriteLine("Total sale: $" + terminal.CalculateTotal());
}
}
public void CalculateTotal_Should_Throw_Exception_If_ProductPricingSettings_Were_Not_Found_For_Product(string productCodes)
{
// arrange
IPointOfSaleTerminal terminal = new PointOfSaleTerminal();
IReadOnlyDictionary <string, ProductPricingSettings> settings = new Dictionary <string, ProductPricingSettings>
{
{ "A", new ProductPricingSettings(1.25, 3, 3) },
{ "B", new ProductPricingSettings(4.25) },
{ "C", new ProductPricingSettings(1, 5, 6) },
{ "D", new ProductPricingSettings(0.75) }
};
terminal.SetPricing(settings);
foreach (char productCode in productCodes)
{
terminal.Scan(productCode.ToString());
}
// assert
Assert.Throws <Exception>(() => terminal.CalculateTotal());
}
static void Main(string[] args)
{
var prices = new[]
{
new ProductPrice("A", 1.25M, new VolumePrice(3M, 3)),
new ProductPrice("B", 4.25M),
new ProductPrice("C", 1.00M, new VolumePrice(5M, 6)),
new ProductPrice("D", 0.75M)
};
var terminal = new PointOfSaleTerminal(prices);
terminal.Scan("A");
terminal.Scan("A");
terminal.Scan("A");
terminal.Scan("A");
terminal.Scan("C");
terminal.Scan("D");
Console.WriteLine(terminal.PrintReceipt());
Console.WriteLine($"Total Price: {terminal.CalculateTotal()}");
}
public void Scan_ShouldAddExistingItem()
{
_sut.Scan("A");
Assert.Equal(1.25m, _sut.Balance);
}
public void When_ScanProductCodeThatExistInPricing_Expected_NoException()
{
IPointOfSaleTerminal terminal = new PointOfSaleTerminal(components.Resolve <ICart>(), components.Resolve <IPricing>(), null);
Assert.DoesNotThrow(() => terminal.Scan("A"));
}
public void When_ScanProductCodeThatMissingInPricing_Expected_exception()
{
IPointOfSaleTerminal terminal = new PointOfSaleTerminal(components.Resolve <ICart>(), components.Resolve <IPricing>(), null);
Assert.Throws <KeyNotFoundException>(() => terminal.Scan("Dino"));
}
