public void TestHandleBarcode()
{
// prepare
var barcodes = new List <BarcodeEventArgs>();
var cat = new TestProductCatalogus();
var kassa = new Kassa(cat);
kassa.BarcodeScanned += (sender, e) =>
{
barcodes.Add(e);
};
// test
cat.ReturnProduct = new Product("01", "Test product 01!", 0.50m);
var test1 = kassa.handleBarcode("01");
cat.ReturnProduct = null;
var test2 = kassa.handleBarcode("");
cat.ReturnProduct = new Product("04", "Test product 04!", 0.50m);
var test3 = kassa.handleBarcode("04");
// validate
Assert.IsTrue(test1, "Product 01 not found where one should be!");
Assert.IsFalse(test2, "Product 02 found where none should be!");
Assert.IsTrue(test3, "Product 04 not found where one should be!");
Assert.AreEqual(2, barcodes.Count);
Assert.AreEqual("01", barcodes[0].Product.Barcode);
Assert.AreEqual("04", barcodes[1].Product.Barcode);
}
public void TestShowAllProducts()
{
// prepare
IList <IProduct> displays = null;
var cat = new TestProductCatalogus();
cat.ReturnProductList = new List <IProduct>
{
new Product("01", "Test product 01!", 0.01m),
new Product("02", "Test product 02!", 0.02m)
};
var kassa = new Kassa(cat);
kassa.DisplayAllProducts += (sender, e) =>
{
displays = e.Products;
};
// test
kassa.showAllProducts();
// validate
Assert.IsNotNull(displays);
Assert.AreEqual(2, displays.Count);
Assert.AreEqual(cat.ReturnProductList, displays);
}
public void TestHandleBarcodeClientDisplay()
{
// prepare
var displays = new List <(decimal total, IProduct product)>();
var cat = new TestProductCatalogus();
var kassa = new Kassa(cat);
kassa.DisplayToClient += (sender, e) =>
{
displays.Add((e.TotalPrice, e.Product));
};
// test
cat.ReturnProduct = new Product("01", "Test product 01!", 0.50m);
var test1 = kassa.handleBarcode("01");
cat.ReturnProduct = null;
var test2 = kassa.handleBarcode("");
cat.ReturnProduct = new Product("03", "Test product 03!", 0.75m);
var test3 = kassa.handleBarcode("04");
// validate
Assert.AreEqual(2, displays.Count);
Assert.AreEqual(0.50m, displays[0].total);
Assert.IsNotNull(displays[0].product);
Assert.AreEqual("Test product 01!", displays[0].product.Description);
Assert.AreEqual(1.25m, displays[1].total);
Assert.IsNotNull(displays[1].product);
Assert.AreEqual("Test product 03!", displays[1].product.Description);
}
public void TestInitatePaymentEmptyCart()
{
// prepare
var cat = new TestProductCatalogus();
var kassa = new Kassa(cat);
// test
decimal payedAmount = 1m;
decimal i = kassa.initatePayment(payedAmount);
// validate
Assert.AreEqual(1m, i);
}
public void TestInitatePaymentExactlyEnoughMoney()
{
// prepare
var cat = new TestProductCatalogus();
cat.ReturnProduct = new Product("01", "Test product 01!", 0.50m);
var kassa = new Kassa(cat);
kassa.handleBarcode("");
kassa.handleBarcode("");
// test
decimal payedAmount = 1m;
decimal i = kassa.initatePayment(payedAmount);
// validate
Assert.AreEqual(0m, i);
}
public void TestShowNoProducts()
{
// prepare
IList <IProduct> displays = null;
var cat = new TestProductCatalogus();
var kassa = new Kassa(cat);
kassa.DisplayAllProducts += (sender, e) =>
{
displays = e.Products;
};
// test
kassa.showAllProducts();
// validate
Assert.IsNotNull(displays);
Assert.AreEqual(0, displays.Count);
}