public void The_Quality_of_an_item_is_never_negative()
{
int numberOfDays = 50;
IList <Item> items = new List <Item> {
new Item {
Name = "foo", SellIn = 1, Quality = 1
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.IsTrue(items[0].Quality > -1);
}
public void Sulfuras_never_decreases_in_Quality()
{
int initialQuality = 80;
int numberOfDays = 50;
IList <Item> items = new List <Item> {
new Item {
Name = Sulfuras, SellIn = 10, Quality = initialQuality
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.AreEqual(initialQuality, items[0].Quality);
}
public void Sulfuras_never_has_to_be_sold()
{
int initialSellIn = 10;
int numberOfDays = 50;
IList <Item> items = new List <Item> {
new Item {
Name = Sulfuras, SellIn = initialSellIn, Quality = 80
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.AreEqual(initialSellIn, items[0].SellIn);
}
public void SellIn_reduce_over_time()
{
int initialSellIn = 5;
int numberOfDays = 10;
IList <Item> items = new List <Item> {
new Item {
Name = "foo", SellIn = initialSellIn, Quality = 10
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.AreEqual(initialSellIn - numberOfDays, items[0].SellIn);
}
public void Quality_degrades_by_2_before_sell_by_date()
{
int initialQuality = 10;
int initialSellIn = 3;
int numberOfDays = 2;
IList <Item> items = new List <Item> {
new Item {
Name = Conjured, SellIn = initialSellIn, Quality = initialQuality
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.AreEqual(initialQuality - (numberOfDays * 2), items[0].Quality);
}
public void Backstage_passes_Quality_drops_to_0_after_concert()
{
int initialQuality = 10;
int initialSellIn = 1;
int numberOfDays = 2;
IList <Item> items = new List <Item> {
new Item {
Name = BackstagePasses, SellIn = initialSellIn, Quality = initialQuality
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.AreEqual(0, items[0].Quality);
}
public void The_Quality_of_Backstage_passes_is_never_more_than_50()
{
int initialQuality = 49;
int numberOfDays = 5;
IList <Item> items = new List <Item> {
new Item {
Name = BackstagePasses, SellIn = 10, Quality = initialQuality
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.IsTrue(items[0].Quality > initialQuality);
Assert.AreEqual(50, items[0].Quality);
}
public void Backstage_passes_increases_in_Quality_as_its_SellIn_value_approaches()
{
int initialQuality = 10;
int initialSellIn = 15;
int numberOfDays = 2;
IList <Item> items = new List <Item> {
new Item {
Name = BackstagePasses, SellIn = initialSellIn, Quality = initialQuality
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.AreEqual(initialQuality + numberOfDays, items[0].Quality);
}
public void Once_sell_by_date_has_passed_Quality_increases_twice_as_fast()
{
int initialQuality = 1;
int initialSellIn = -1;
int numberOfDays = 1;
IList <Item> items = new List <Item> {
new Item {
Name = AgedBrie, SellIn = initialSellIn, Quality = initialQuality
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.AreEqual(3, items[0].Quality);
}
public void The_Quality_of_Aged_Brie_is_never_more_than_50()
{
int initialQuality = 1;
int numberOfDays = 50;
IList <Item> items = new List <Item> {
new Item {
Name = AgedBrie, SellIn = 10, Quality = initialQuality
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.IsTrue(items[0].Quality > initialQuality);
Assert.AreEqual(50, items[0].Quality);
}
public void Aged_Brie_increases_in_Quality_the_older_it_gets()
{
int initialQuality = 1;
int numberOfDays = 4;
IList <Item> items = new List <Item> {
new Item {
Name = AgedBrie, SellIn = 10, Quality = initialQuality
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
Assert.IsTrue(items[0].Quality > initialQuality);
Assert.AreEqual(initialQuality + numberOfDays, items[0].Quality);
}
public void Backstage_passes_increases_in_Quality_by_3_when_SellIn_between_0_and_5()
{
int initialQuality = 10;
int initialSellIn = 3;
int numberOfDays = 2;
IList <Item> items = new List <Item> {
new Item {
Name = BackstagePasses, SellIn = initialSellIn, Quality = initialQuality
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
var qualityIncrease = initialQuality + (numberOfDays * 3);
Assert.AreEqual(qualityIncrease, items[0].Quality);
}
public void Once_sell_by_date_has_passed_Quality_degrades_twice_as_fast()
{
int initialQuality = 10;
int initialSellIn = 1;
int numberOfDays = 4;
IList <Item> items = new List <Item> {
new Item {
Name = "foo", SellIn = initialSellIn, Quality = initialQuality
}
};
GildedRose app = new GildedRose(items);
app.AdvanceTime(numberOfDays);
var normalRateQualityDecrease = initialSellIn;
var doubleRateQualityDecrease = (numberOfDays - initialSellIn) * 2;
Assert.AreEqual(initialQuality - (normalRateQualityDecrease + doubleRateQualityDecrease), items[0].Quality);
}
