public void GivenItemBackstagePassesHandler_WhenItemIsNotBackstagePasses_ShouldThrowError()
{
// Arrange
var item = new Item()
{
Name = "ArbitraryItemX", Quality = 36, SellIn = -3
};
// Act
var actual = new BackstagePassesItemHandler(null);
// Assert
Assert.Throws <InvalidOperationException>(() => actual.Handle(item), "Item cannot be handled here");
}
public void GivenItemBackstagePasses_WhenNextDayComes_SellInEquals6_ThenQualityShouldIncreaseByTwo()
{
// Arrange
var item = new Item()
{
Name = BackstagePasses, Quality = 25, SellIn = 6
};
// Act
var actual = new BackstagePassesItemHandler(null);
actual.Handle(item);
// Assert
Assert.AreEqual(27, item.Quality);
}
public void GivenItemBackstagePasses_WhenNextDayComes_SellInLessThan10AndHigherThan5_ThenQualityShouldIncreaseByTwo()
{
// Arrange
var item = new Item()
{
Name = BackstagePasses, Quality = 13, SellIn = 7
};
// Act
var actual = new BackstagePassesItemHandler(null);
actual.Handle(item);
// Assert
Assert.AreEqual(15, item.Quality);
}
public void GivenItemBackstagePasses_WhenNextDayComes_SellInLessThan0_ThenQualityShouldBe0()
{
// Arrange
var item = new Item()
{
Name = BackstagePasses, Quality = 10, SellIn = -2
};
// Act
var actual = new BackstagePassesItemHandler(null);
actual.Handle(item);
// Assert
Assert.AreEqual(0, item.Quality);
}
public void GivenBackstagePassesHandler_WhenNextDayComes_QualityLessThan50_SellInHigherThan0_ThenQualityShouldIncreaseByOne()
{
// Arrange
var item = new Item()
{
Name = BackstagePasses, Quality = 49, SellIn = 1
};
// Act
var actual = new BackstagePassesItemHandler(null);
actual.Handle(item);
// Assert
Assert.AreEqual(50, item.Quality);
}