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- add unit tests to legacy code for each business rule

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- refactor the UpdateQuality method by :
* removing all static item names
* strongly typing the different items
* moving specific business logic inside the business object
This commit is contained in:
Nicolas 2022-11-15 15:57:49 +01:00
parent ac8fce7557
commit 4df10d3b34
9 changed files with 558 additions and 76 deletions
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21
csharpcore-Verify.xunit/GildedRose/AgingItem.cs Normal file
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@ -0,0 +1,21 @@
namespace GildedRoseKata
{
public class AgingItem : Item
{
public virtual void SetAgingItemQuality()
{
if (Quality < 50)
{
Quality++;
SellIn--;
if (SellIn < 0 && Quality < 50)
{
Quality++;
}
}
}
}
}

31
csharpcore-Verify.xunit/GildedRose/ConcertPass.cs Normal file
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@ -0,0 +1,31 @@
using GildedRoseKata;
namespace GildedRoseKata
{
public class ConcertPass : AgingItem
{
public override void SetAgingItemQuality()
{
if (Quality < 50)
{
Quality++;
if (SellIn < 11 && Quality < 50)
{
Quality++;
}
if (SellIn < 6 && Quality < 50)
{
Quality++;
}
SellIn--;
if (SellIn < 0)
{
Quality = 0;
}
}
}
}
}

6
csharpcore-Verify.xunit/GildedRose/ConjuredItem.cs Normal file
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@ -0,0 +1,6 @@
namespace GildedRoseKata
{
public class ConjuredItem : Item
{
}
}

105
csharpcore-Verify.xunit/GildedRose/GildedRose.cs
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@ -4,7 +4,7 @@ namespace GildedRoseKata
{
public class GildedRose
{
IList<Item> Items;
private readonly IList<Item> Items;
public GildedRose(IList<Item> Items)
{
this.Items = Items;
@ -14,76 +14,45 @@ namespace GildedRoseKata
{
for (var i = 0; i < Items.Count; i++)
{
if (Items[i].Name != "Aged Brie" && Items[i].Name != "Backstage passes to a TAFKAL80ETC concert")
switch (Items[i])
{
if (Items[i].Quality > 0)
{
if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
{
Items[i].Quality = Items[i].Quality - 1;
}
}
}
else
{
if (Items[i].Quality < 50)
{
Items[i].Quality = Items[i].Quality + 1;
if (Items[i].Name == "Backstage passes to a TAFKAL80ETC concert")
{
if (Items[i].SellIn < 11)
{
if (Items[i].Quality < 50)
{
Items[i].Quality = Items[i].Quality + 1;
}
}
if (Items[i].SellIn < 6)
{
if (Items[i].Quality < 50)
{
Items[i].Quality = Items[i].Quality + 1;
}
}
}
}
}
if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
{
Items[i].SellIn = Items[i].SellIn - 1;
}
if (Items[i].SellIn < 0)
{
if (Items[i].Name != "Aged Brie")
{
if (Items[i].Name != "Backstage passes to a TAFKAL80ETC concert")
{
if (Items[i].Quality > 0)
{
if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
{
Items[i].Quality = Items[i].Quality - 1;
}
}
}
else
{
Items[i].Quality = Items[i].Quality - Items[i].Quality;
}
}
else
{
if (Items[i].Quality < 50)
{
Items[i].Quality = Items[i].Quality + 1;
}
}
case LegendaryItem l: break;
case AgingItem a:
a.SetAgingItemQuality();
break;
case ConjuredItem c:
DecreaseItemProperties(c);
DecreaseItemQuality(c);
break;
default:
DecreaseItemProperties(Items[i]);
break;
}
}
}
private void DecreaseItemProperties(Item item)
{
DecreaseItemQuality(item);
DecreateItemSellIn(item);
DecreaseItemQuality(item);
}
private void DecreaseItemQuality(Item item)
{
if (item.Quality > 0)
{
item.Quality--;
}
}
private void DecreateItemSellIn(Item item)
{
if (item is not LegendaryItem)
{
item.SellIn--;
}
}
}
}

6
csharpcore-Verify.xunit/GildedRose/LegendaryItem.cs Normal file
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@ -0,0 +1,6 @@
namespace GildedRoseKata
{
public class LegendaryItem : Item
{
}
}

14
csharpcore-Verify.xunit/GildedRose/Program.cs
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@ -11,30 +11,30 @@ namespace GildedRoseKata
IList<Item> Items = new List<Item>{
new Item {Name = "+5 Dexterity Vest", SellIn = 10, Quality = 20},
new Item {Name = "Aged Brie", SellIn = 2, Quality = 0},
new AgingItem {Name = "Aged Brie", SellIn = 2, Quality = 0},
new Item {Name = "Elixir of the Mongoose", SellIn = 5, Quality = 7},
new Item {Name = "Sulfuras, Hand of Ragnaros", SellIn = 0, Quality = 80},
new Item {Name = "Sulfuras, Hand of Ragnaros", SellIn = -1, Quality = 80},
new Item
new LegendaryItem {Name = "Sulfuras, Hand of Ragnaros", SellIn = 0, Quality = 80},
new LegendaryItem {Name = "Sulfuras, Hand of Ragnaros", SellIn = -1, Quality = 80},
new ConcertPass
{
Name = "Backstage passes to a TAFKAL80ETC concert",
SellIn = 15,
Quality = 20
},
new Item
new ConcertPass
{
Name = "Backstage passes to a TAFKAL80ETC concert",
SellIn = 10,
Quality = 49
},
new Item
new ConcertPass
{
Name = "Backstage passes to a TAFKAL80ETC concert",
SellIn = 5,
Quality = 49
},
// this conjured item does not work properly yet
new Item {Name = "Conjured Mana Cake", SellIn = 3, Quality = 6}
new ConjuredItem {Name = "Conjured Mana Cake", SellIn = 3, Quality = 6}
};
var app = new GildedRose(Items);

373
csharpcore-Verify.xunit/GildedRoseTests/ApprovalTest.ThirtyDays.received.txt Normal file
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@ -0,0 +1,373 @@
OMGHAI!
-------- day 0 --------
name, sellIn, quality
+5 Dexterity Vest, 10, 20
Aged Brie, 2, 0
Elixir of the Mongoose, 5, 7
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 15, 20
Backstage passes to a TAFKAL80ETC concert, 10, 49
Backstage passes to a TAFKAL80ETC concert, 5, 49
Conjured Mana Cake, 3, 6
-------- day 1 --------
name, sellIn, quality
+5 Dexterity Vest, 9, 18
Aged Brie, 1, 1
Elixir of the Mongoose, 4, 5
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 14, 21
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, 2, 3
-------- day 2 --------
name, sellIn, quality
+5 Dexterity Vest, 8, 16
Aged Brie, 0, 2
Elixir of the Mongoose, 3, 3
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 13, 22
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, 1, 0
-------- day 3 --------
name, sellIn, quality
+5 Dexterity Vest, 7, 14
Aged Brie, -1, 4
Elixir of the Mongoose, 2, 1
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 12, 23
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, 0, 0
-------- day 4 --------
name, sellIn, quality
+5 Dexterity Vest, 6, 12
Aged Brie, -2, 6
Elixir of the Mongoose, 1, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 11, 24
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -1, 0
-------- day 5 --------
name, sellIn, quality
+5 Dexterity Vest, 5, 10
Aged Brie, -3, 8
Elixir of the Mongoose, 0, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 10, 25
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -2, 0
-------- day 6 --------
name, sellIn, quality
+5 Dexterity Vest, 4, 8
Aged Brie, -4, 10
Elixir of the Mongoose, -1, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 9, 27
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -3, 0
-------- day 7 --------
name, sellIn, quality
+5 Dexterity Vest, 3, 6
Aged Brie, -5, 12
Elixir of the Mongoose, -2, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 8, 29
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -4, 0
-------- day 8 --------
name, sellIn, quality
+5 Dexterity Vest, 2, 4
Aged Brie, -6, 14
Elixir of the Mongoose, -3, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 7, 31
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -5, 0
-------- day 9 --------
name, sellIn, quality
+5 Dexterity Vest, 1, 2
Aged Brie, -7, 16
Elixir of the Mongoose, -4, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 6, 33
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -6, 0
-------- day 10 --------
name, sellIn, quality
+5 Dexterity Vest, 0, 0
Aged Brie, -8, 18
Elixir of the Mongoose, -5, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 5, 35
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -7, 0
-------- day 11 --------
name, sellIn, quality
+5 Dexterity Vest, -1, 0
Aged Brie, -9, 20
Elixir of the Mongoose, -6, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 4, 38
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -8, 0
-------- day 12 --------
name, sellIn, quality
+5 Dexterity Vest, -2, 0
Aged Brie, -10, 22
Elixir of the Mongoose, -7, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 3, 41
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -9, 0
-------- day 13 --------
name, sellIn, quality
+5 Dexterity Vest, -3, 0
Aged Brie, -11, 24
Elixir of the Mongoose, -8, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 2, 44
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -10, 0
-------- day 14 --------
name, sellIn, quality
+5 Dexterity Vest, -4, 0
Aged Brie, -12, 26
Elixir of the Mongoose, -9, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 1, 47
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -11, 0
-------- day 15 --------
name, sellIn, quality
+5 Dexterity Vest, -5, 0
Aged Brie, -13, 28
Elixir of the Mongoose, -10, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -12, 0
-------- day 16 --------
name, sellIn, quality
+5 Dexterity Vest, -6, 0
Aged Brie, -14, 30
Elixir of the Mongoose, -11, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -13, 0
-------- day 17 --------
name, sellIn, quality
+5 Dexterity Vest, -7, 0
Aged Brie, -15, 32
Elixir of the Mongoose, -12, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -14, 0
-------- day 18 --------
name, sellIn, quality
+5 Dexterity Vest, -8, 0
Aged Brie, -16, 34
Elixir of the Mongoose, -13, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -15, 0
-------- day 19 --------
name, sellIn, quality
+5 Dexterity Vest, -9, 0
Aged Brie, -17, 36
Elixir of the Mongoose, -14, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -16, 0
-------- day 20 --------
name, sellIn, quality
+5 Dexterity Vest, -10, 0
Aged Brie, -18, 38
Elixir of the Mongoose, -15, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -17, 0
-------- day 21 --------
name, sellIn, quality
+5 Dexterity Vest, -11, 0
Aged Brie, -19, 40
Elixir of the Mongoose, -16, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -18, 0
-------- day 22 --------
name, sellIn, quality
+5 Dexterity Vest, -12, 0
Aged Brie, -20, 42
Elixir of the Mongoose, -17, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -19, 0
-------- day 23 --------
name, sellIn, quality
+5 Dexterity Vest, -13, 0
Aged Brie, -21, 44
Elixir of the Mongoose, -18, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -20, 0
-------- day 24 --------
name, sellIn, quality
+5 Dexterity Vest, -14, 0
Aged Brie, -22, 46
Elixir of the Mongoose, -19, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -21, 0
-------- day 25 --------
name, sellIn, quality
+5 Dexterity Vest, -15, 0
Aged Brie, -23, 48
Elixir of the Mongoose, -20, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -22, 0
-------- day 26 --------
name, sellIn, quality
+5 Dexterity Vest, -16, 0
Aged Brie, -24, 50
Elixir of the Mongoose, -21, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -23, 0
-------- day 27 --------
name, sellIn, quality
+5 Dexterity Vest, -17, 0
Aged Brie, -24, 50
Elixir of the Mongoose, -22, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -24, 0
-------- day 28 --------
name, sellIn, quality
+5 Dexterity Vest, -18, 0
Aged Brie, -24, 50
Elixir of the Mongoose, -23, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -25, 0
-------- day 29 --------
name, sellIn, quality
+5 Dexterity Vest, -19, 0
Aged Brie, -24, 50
Elixir of the Mongoose, -24, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -26, 0
-------- day 30 --------
name, sellIn, quality
+5 Dexterity Vest, -20, 0
Aged Brie, -24, 50
Elixir of the Mongoose, -25, 0
Sulfuras, Hand of Ragnaros, 0, 80
Sulfuras, Hand of Ragnaros, -1, 80
Backstage passes to a TAFKAL80ETC concert, 0, 50
Backstage passes to a TAFKAL80ETC concert, 9, 50
Backstage passes to a TAFKAL80ETC concert, 4, 50
Conjured Mana Cake, -27, 0

1
csharpcore-Verify.xunit/GildedRoseTests/ApprovalTest.ThirtyDays.verified.txt Normal file
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@ -0,0 +1 @@


77
csharpcore-Verify.xunit/GildedRoseTests/GildedRoseTest.cs
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@ -12,7 +12,82 @@ namespace GildedRoseTests
IList<Item> Items = new List<Item> { new Item { Name = "foo", SellIn = 0, Quality = 0 } };
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Assert.Equal("fixme", Items[0].Name);
Assert.Equal("foo", Items[0].Name);
}
//Once the sell by date has passed, Quality degrades twice as fast
[Fact]
public void UpdateQuality_Should_Return_ExpiredItem_Quality4_Become_Quality2()
{
IList<Item> Items = new List<Item> { new Item { Name = "BigStuff", SellIn = -1, Quality = 4 } };
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Assert.Equal(2,Items[0].Quality);
}
//The Quality of an item is never negative
[Fact]
public void UpdateQuality_Should_Return_Item_Quality_Never_Negative()
{
IList<Item> Items = new List<Item> { new Item { Name = "BigStuff", SellIn = 1, Quality = 0 } };
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Assert.False(Items[0].Quality < 0);
}
//“Aged Brie” actually increases in Quality the older it gets
[Fact]
public void UpdateQuality_Should_Return_AgedBrie_Quality1()
{
IList<Item> Items = new List<Item> { new AgingItem { Name = "Aged Brie", SellIn = 2, Quality = 0 } };
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Assert.Equal(1, Items[0].Quality);
}
//“Sulfuras”, being a legendary item, never has to be sold or decreases in Quality
[Fact]
public void UpdateQuality_Should_Return_LegendaryItem_Unchanged()
{
IList<Item> Items = new List<Item> { new LegendaryItem { Name = "Sulfuras, Hand of Ragnaros", SellIn = 0, Quality = 80 } };
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Assert.Equal(80, Items[0].Quality);
Assert.Equal(0, Items[0].SellIn);
}
//“Backstage passes” Quality increases by 2 when there are 10 days or less
[Fact]
public void UpdateQuality_Should_Return_Passes_IncreasesBy2_When_SellinLessThen10()
{
IList<Item> Items = new List<Item> { new ConcertPass { Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 9, Quality = 20 } };
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Assert.Equal(22, Items[0].Quality);
}
//“Backstage passes” Quality increases by 3 when there are 5 days or less
[Fact]
public void UpdateQuality_Should_Return_Passes_IncreasesBy3_When_SellinLessThen5()
{
IList<Item> Items = new List<Item> { new ConcertPass { Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 4, Quality = 20 } };
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Assert.Equal(23, Items[0].Quality);
}
//“Backstage passes” Quality drops to 0 after the concert
[Fact]
public void UpdateQuality_Should_Return_PassesQuality0_When_Sellin_LessThan0()
{
IList<Item> Items = new List<Item> { new ConcertPass { Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = -1, Quality = 20 } };
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Assert.Equal(0, Items[0].Quality);
}
//“Conjured” items degrade in Quality twice as fast as normal items
[Fact]
public void UpdateQuality_Should_Return_ConjuredQuality0_When_Quality2()
{
IList<Item> Items = new List<Item> { new ConjuredItem { Name = "Conjured Mana Cake", SellIn = 3, Quality = 2 } };
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Assert.Equal(0, Items[0].Quality);
}
}
}