static StrategySelector()
{
backstagePassStrategy = new BackstagePassStrategy();
agedBrieStrategy = new AgedBrieStrategy();
regularItemStrategy = new RegularItemStrategy();
sulfurasStrategy = new SulfurasStrategy();
conjuredStrategy = new ConjuredStrategy();
}
public void DecreaseSellIn_DecreasesSellInByOne()
{
var item = new Item {
SellIn = 1
};
var subject = new BackstagePassStrategy(item);
subject.DecreaseSellIn();
Assert.That(item.SellIn, Is.EqualTo(0));
}
public void PerformPreSellByUpdate_IncreasesQualityByThree_WhenSellInIsBetweenFiveAndOne(int sellIn)
{
var item = new Item {
Quality = 1, SellIn = sellIn
};
var subject = new BackstagePassStrategy(item);
subject.PerformPreSellByUpdate();
Assert.That(item.Quality, Is.EqualTo(4));
}
public void PerformPreSellByUpdate_IncreasesQualityByOne_WhenSellInIsGreaterThanTen(int sellIn)
{
var item = new Item {
Quality = 1, SellIn = sellIn
};
var subject = new BackstagePassStrategy(item);
subject.PerformPreSellByUpdate();
Assert.That(item.Quality, Is.EqualTo(2));
}
public void PerformPostSellByUpdate_SetsQualityToZero()
{
var item = new Item {
Quality = 10
};
var subject = new BackstagePassStrategy(item);
subject.PerformPostSellByUpdate();
Assert.That(item.Quality, Is.EqualTo(0));
}
public void ItemQualityManager_UpdateBackStagePass_QualityChanges(int currentSellIn, int expectedQuality)
{
// Arrange
var strategy = new BackstagePassStrategy();
var item = new ItemBuilder(Constants.BackstagePass)
.WithQuality(20)
.WithSellIn(currentSellIn)
.Build();
// Act
strategy.UpdateItemQuality(item);
// Assert
Assert.Equal(expectedQuality, item.Quality);
}
public void UpdateQuality_WhenSellInDaysIsHigherThanZero_DecreasesSellInByOne()
{
// Arrange
var item = new Item {
SellIn = 5
};
var backstagePassStrategy = new BackstagePassStrategy();
// Act
backstagePassStrategy.UpdateQuality(item);
// Assert
var expectedSellInDays = 4;
Assert.Equal(expectedSellInDays, item.SellIn);
}
public void UpdateQuality_WhenSellInDaysIsBelowZero_DecreasesQualityToZero()
{
// Arrange
var item = new Item {
SellIn = -1, Quality = 5
};
var backstagePassStrategy = new BackstagePassStrategy();
// Act
backstagePassStrategy.UpdateQuality(item);
// Assert
var expectedQuality = 0;
Assert.Equal(expectedQuality, item.Quality);
}
public void UpdateQuality_WhenSellInDaysIs_IncreasesQualityBy(int initialSellIn, int qualityShouldIncreaseBy)
{
// Arrange
const int initialQuality = 5;
var item = new Item {
SellIn = initialSellIn, Quality = initialQuality
};
var backstagePassStrategy = new BackstagePassStrategy();
// Act
backstagePassStrategy.UpdateQuality(item);
// Assert
var expectedQuality = initialQuality + qualityShouldIncreaseBy;
Assert.Equal(expectedQuality, item.Quality);
}