public void VerifyItemsHaveDeteriorated()
{
var items = _itemProcessor.GetItems();
var itemNames = new List <string>
{
"Dexterity Vest",
"Mongoose"
};
foreach (var name in itemNames)
{
var item = items.FirstOrDefault(i => i.Name.Contains(name));
item.ShouldNotBe(null);
var initialQuality = item.Quality;
var initialSellIn = item.SellIn;
_itemProcessor.UpdateQuality();
var after = items.FirstOrDefault(i => i.Name.Contains(name));
after.ShouldNotBe(null);
after.Quality.ShouldBe(initialQuality - 1);
after.SellIn.ShouldBe(initialSellIn - 1);
}
}
public void VerifyBrieHasChanged()
{
var items = new List <Item>
{
new Item
{
Name = Constants.ProductNames.AgedBrie,
Quality = 0,
SellIn = 2
}
};
var initialQuality = items[0].Quality;
var initialSellIn = items[0].SellIn;
var itemProcessor = new ItemProcessor(items);
itemProcessor.UpdateQuality();
var updateItems = itemProcessor.GetItems();
var item = updateItems.FirstOrDefault(i => i.Name.Contains(Constants.ProductNames.AgedBrie));
item.ShouldNotBe(null);
item.Quality.ShouldBe(initialQuality + 1);
item.SellIn.ShouldBe(initialSellIn - 1);
}
public void ConjuredItemsDegradeTwiceAsFast()
{
var items = new List <Item>
{
new Item {
Name = "Conjured Mana Cake", SellIn = 3, Quality = 6
}
};
var itemProcessor = new ItemProcessor(items);
var initialQuality = items[0].Quality;
itemProcessor.UpdateQuality();
var updateItems = itemProcessor.GetItems();
updateItems[0].Quality.ShouldBe(initialQuality - 2);
}
public void BackStagePassesQualityHitsZero()
{
// Quality drops to 0 after the concert
var items = new List <Item>
{
new Item
{
Name = "Backstage passes to a TAFKAL80ETC concert",
Quality = 5,
SellIn = 0
}
};
var itemProcessor = new ItemProcessor(items);
itemProcessor.UpdateQuality();
var updateItems = itemProcessor.GetItems();
updateItems[0].Quality.ShouldBe(0);
}
public void WhenSellByDateHasNotPassedQualityDegradesNormally()
{
var items = new List <Item>
{
new Item
{
Name = "+2 Mace of Smiting",
Quality = 7,
SellIn = 2
}
};
var itemProcessor = new ItemProcessor(items);
var initialQuality = items[0].Quality;
itemProcessor.UpdateQuality();
var updateItems = itemProcessor.GetItems();
updateItems[0].Quality.ShouldBe(initialQuality - 1);
}
public void BackStagePassesQualityIncreasesBy3When5DaysAway()
{
// Quality increases by 3 when there are 5 days or less
var items = new List <Item>
{
new Item
{
Name = "Backstage passes to a TAFKAL80ETC concert",
Quality = 5,
SellIn = 5
}
};
var itemProcessor = new ItemProcessor(items);
var initialQuality = items[0].Quality;
itemProcessor.UpdateQuality();
var updateItems = itemProcessor.GetItems();
updateItems[0].Quality.ShouldBe(initialQuality + 3);
}
public void ItemQualityMaxIs50()
{
//The Quality of an item is never more than 50
var items = new List <Item>
{
new Item
{
Name = "+2 Mace of Smiting",
Quality = 50,
SellIn = 2
}
};
var itemProcessor = new ItemProcessor(items);
var initialQuality = items[0].Quality;
itemProcessor.UpdateQuality();
var updateItems = itemProcessor.GetItems();
updateItems[0].Quality.ShouldBe(initialQuality);
}
public void QualityOfItemIsNeverNegative()
{
// The Quality of an item is never negative
var items = new List <Item>
{
new Item
{
Name = "+2 Mace of Smiting",
Quality = 0,
SellIn = 2
}
};
var itemProcessor = new ItemProcessor(items);
var initialQuality = items[0].Quality;
itemProcessor.UpdateQuality();
var updateItems = itemProcessor.GetItems();
updateItems[0].Quality.ShouldBe(initialQuality);
}
public void WhenSellByDatePassedQualityDegradesTwiceAsFast()
{
//Once the sell by date has passed, Quality degrades twice as fast
var items = new List <Item>
{
new Item
{
Name = "+2 Mace of Smiting",
Quality = 7,
SellIn = 0
}
};
var itemProcessor = new ItemProcessor(items);
var initialQuality = items[0].Quality;
itemProcessor.UpdateQuality();
var updateItems = itemProcessor.GetItems();
updateItems[0].Quality.ShouldBe(initialQuality - 2);
}