public void SelectsIncreasingRuleWhenSellInBetweenFiveAndOne()
{
var services = this.SetupRuleServices();
var deprecationService = new DeprecationService(
services.DecreasingService.Object,
services.IncreasingService.Object,
services.ZeroService.Object);
var stockItem = this.TestStockItem;
stockItem.SellIn = 3;
var result = deprecationService.DeprecateItem(stockItem);
Assert.Equal("Food 2 0", result);
services.DecreasingService
.Verify(service => service.RunRule(It.IsAny <DecreasingDeprecationRule>(), It.IsAny <StockItem>()), Times.Never);
services.IncreasingService
.Verify(service => service.RunRule(It.IsAny <IncreasingDeprecationRule>(), It.IsAny <StockItem>()), Times.Once);
services.ZeroService
.Verify(service => service.RunRule(It.IsAny <ZeroDeprecationRule>(), It.IsAny <StockItem>()), Times.Never);
}
public void SelectsNoRuleWhenTypeHasNoRules()
{
var services = this.SetupRuleServices();
var deprecationService = new DeprecationService(
services.DecreasingService.Object,
services.IncreasingService.Object,
services.ZeroService.Object);
var stockItem = this.TestStockItem;
stockItem.SellIn = 0;
stockItem.StockType.DeprecationRules = null;
var result = deprecationService.DeprecateItem(stockItem);
Assert.Equal("Food 0 0", result);
services.DecreasingService
.Verify(service => service.RunRule(It.IsAny <DecreasingDeprecationRule>(), It.IsAny <StockItem>()), Times.Never);
services.IncreasingService
.Verify(service => service.RunRule(It.IsAny <IncreasingDeprecationRule>(), It.IsAny <StockItem>()), Times.Never);
services.ZeroService
.Verify(service => service.RunRule(It.IsAny <ZeroDeprecationRule>(), It.IsAny <StockItem>()), Times.Never);
}
public void ReturnsNoSuchItemWhereNoType()
{
var services = this.SetupRuleServices();
var deprecationService = new DeprecationService(
services.DecreasingService.Object,
services.IncreasingService.Object,
services.ZeroService.Object);
var stockItem = this.TestStockItem;
stockItem.SellIn = 8;
stockItem.Quality = 25;
stockItem.StockType = null;
var result = deprecationService.DeprecateItem(stockItem);
Assert.Equal("NO SUCH ITEM", result);
}
public void SetsQualityToFiftyIfGreaterThanFifty()
{
var services = this.SetupRuleServices();
var deprecationService = new DeprecationService(
services.DecreasingService.Object,
services.IncreasingService.Object,
services.ZeroService.Object);
var stockItem = this.TestStockItem;
stockItem.SellIn = 8;
stockItem.Quality = 55;
var result = deprecationService.DeprecateItem(stockItem);
Assert.Equal("Food 7 50", result);
Assert.Equal(50, stockItem.Quality);
}
public void SetsQualityToZeroIfNegative()
{
var services = this.SetupRuleServices();
var deprecationService = new DeprecationService(
services.DecreasingService.Object,
services.IncreasingService.Object,
services.ZeroService.Object);
var stockItem = this.TestStockItem;
stockItem.SellIn = 8;
stockItem.Quality = -2;
var result = deprecationService.DeprecateItem(stockItem);
Assert.Equal("Food 7 0", result);
Assert.Equal(0, stockItem.Quality);
}
