static void Main(string[] args)
{
// Observer Example
var customer = new Customer("Eliot Anderson");
var customer2 = new Customer("Andrei Keks");
var shop = new OnlineShop();
var mobile = new Product("Xiaomi MI 9", 600);
shop.Subscribe(customer);
shop.Subscribe(customer2);
shop.AddProduct(mobile);
// Template pattern example
var mkvVideo = new MkvVideoPlayer();
var mp4Video = new MP4VideoPlayer();
mkvVideo.PlayVideo("funny-cats.mkv");
mp4Video.PlayVideo("funny-dogs.mp4");
// Strategy pattern
var order = new Order(126);
var calculator = new ShippingCalculator();
var shippingCostDHL = calculator.CalculateShipping(new DHLShippingStrategy(), order);
var shippingCostUPS = calculator.CalculateShipping(new UpsShippingStrategy(), order);
Console.WriteLine($"Shipping prices:\n DHL price: {shippingCostDHL}$\n UPS Price: {shippingCostUPS}$");
Console.ReadLine();
}
public void BasketShippingTotalTest()
{
var perRegionShippingOption = new PerRegionShipping()
{
PerRegionCosts = new[]
{
new RegionShippingCost()
{
DestinationRegion =
RegionShippingCost.Regions.UK,
Amount = .75m
},
new RegionShippingCost()
{
DestinationRegion =
RegionShippingCost.Regions.Europe,
Amount = 1.5m
}
},
};
var flatRateShippingOption = new FlatRateShipping {
FlatRate = 1.1m
};
var basket = new Basket()
{
LineItems = new List <LineItem>
{
new LineItem()
{
DeliveryRegion = RegionShippingCost.Regions.UK,
Shipping = perRegionShippingOption
},
new LineItem()
{
DeliveryRegion = RegionShippingCost.Regions.Europe,
Shipping = perRegionShippingOption
},
new LineItem()
{
Shipping = flatRateShippingOption
},
}
};
var calculator = new ShippingCalculator();
decimal basketShipping = calculator.CalculateShipping(basket);
Assert.That(basketShipping, Is.EqualTo(3.35m));
}
public void DiscountShippingOptionTest()
{
var discountShippingOption = new DiscountShipping()
{
PerRegionCosts = new[]
{
new RegionShippingCost()
{
DestinationRegion =
RegionShippingCost.Regions.UK,
Amount = .75m
},
new RegionShippingCost()
{
DestinationRegion =
RegionShippingCost.Regions.Europe,
Amount = 1.5m
}
},
};
var basket = new Basket()
{
LineItems = new List <LineItem>
{
new LineItem()
{
DeliveryRegion = RegionShippingCost.Regions.UK,
Shipping = discountShippingOption,
SupplierId = 99
},
new LineItem()
{
DeliveryRegion = RegionShippingCost.Regions.UK,
Shipping = discountShippingOption,
SupplierId = 99
},
}
};
var calculator = new ShippingCalculator();
decimal basketShipping = calculator.CalculateShipping(basket);
var shippingAmount = discountShippingOption.GetAmount(basket.LineItems[0], basket);
Assert.That(shippingAmount, Is.EqualTo(.25m));
shippingAmount = discountShippingOption.GetAmount(basket.LineItems[1], basket);
Assert.That(shippingAmount, Is.EqualTo(.25m));
}
public void TotalShippingTest()
{
var perShippingOption = new PerRegionShipping()
{
PerRegionCosts = new[]
{
new RegionShippingCost()
{
DestinationRegion =
RegionShippingCost.Regions.UK,
Amount = .5m
},
new RegionShippingCost()
{
DestinationRegion =
RegionShippingCost.Regions.Europe,
Amount = 1m
},
new RegionShippingCost()
{
DestinationRegion =
RegionShippingCost.Regions.Europe,
Amount = 10m
},
new RegionShippingCost()
{
DestinationRegion =
RegionShippingCost.Regions.RestOfTheWorld,
Amount = 2m
}
},
};
var flatRateShippingOption = new FlatRateShipping {
FlatRate = 1.5m
};
var basket = new Basket()
{
LineItems = new List <LineItem>
{
new LineItem()
{
DeliveryRegion = RegionShippingCost.Regions.UK,
Shipping = perShippingOption
},
new LineItem()
{
DeliveryRegion = RegionShippingCost.Regions.Europe,
Shipping = perShippingOption
},
new LineItem()
{
DeliveryRegion = RegionShippingCost.Regions.Europe,
Shipping = perShippingOption
},
new LineItem()
{
DeliveryRegion = RegionShippingCost.Regions.RestOfTheWorld,
Shipping = perShippingOption
},
new LineItem()
{
Shipping = flatRateShippingOption
},
}
};
var calculator = new ShippingCalculator();
decimal basketShipping = calculator.CalculateShipping(basket);
Assert.That(basketShipping, Is.EqualTo(15.5m), "Total Amount doest not match");
}
public void BasketShippingTotalTest()
{
var perRegionDiscountShippingOption = new PerRegionDiscountShipping()
{
SpecialRule_deducte = .5m,
PerRegionCosts = new[]
{
new RegionShippingCost()
{
DestinationRegion = RegionShippingCost.Regions.UK,
Amount = 6m
}
}
};
var perRegionShippingOption = new PerRegionShipping()
{
PerRegionCosts = new[]
{
new RegionShippingCost()
{
DestinationRegion =
RegionShippingCost.Regions.UK,
Amount = .75m
},
new RegionShippingCost()
{
DestinationRegion =
RegionShippingCost.Regions.Europe,
Amount = 1.5m
}
},
};
var flatRateShippingOption = new FlatRateShipping {
FlatRate = 1.1m
};
var basket = new Basket()
{
LineItems = new List <LineItem>
{
new LineItem()
{
Id = 0,
DeliveryRegion = RegionShippingCost.Regions.UK,
Shipping = perRegionDiscountShippingOption,
SupplierId = 1
},
new LineItem()
{
Id = 1,
DeliveryRegion = RegionShippingCost.Regions.UK,
Shipping = perRegionDiscountShippingOption,
SupplierId = 1
},
new LineItem()
{
Id = 2,
DeliveryRegion = RegionShippingCost.Regions.UK,
Shipping = perRegionShippingOption
},
new LineItem()
{
Id = 3,
DeliveryRegion = RegionShippingCost.Regions.Europe,
Shipping = perRegionShippingOption
},
new LineItem()
{
Shipping = flatRateShippingOption
},
}
};
var calculator = new ShippingCalculator();
decimal basketShipping = calculator.CalculateShipping(basket);
Assert.That(basketShipping, Is.EqualTo(14.85m));
}
