public void GivenChristmasCrackers_WhenSellinPastChristmas_QualityZero()
{
var item = new Item()
{
Name = "Christmas Crackers", Quality = 2, SellIn = -1
};
var rule = new ChristmasCrackerUpdateRule();
rule.Update(item);
item.Quality.Should().Be(0);
}
public void GivenChristmasCrackers_WhenUpdated_SellinReducesByOne()
{
var item = new Item()
{
Name = "Christmas Crackers", Quality = 2, SellIn = 2
};
var rule = new ChristmasCrackerUpdateRule();
rule.Update(item);
item.SellIn.Should().Be(1);
}
public void GivenChristmasCrackers_WhenSellinBetween5And0Days_QualityIncreasesBy3()
{
var item = new Item()
{
Name = "Christmas Crackers", Quality = 2, SellIn = 3
};
var rule = new ChristmasCrackerUpdateRule();
rule.Update(item);
item.Quality.Should().Be(5);
}
GivenChristmasCrackers_SellIn9_Quality2_WhenUpdated_ThenChristmasCrackers_SellIn8_Quality4_Returned()
{
//GIVEN
var items = new List <Item>()
{
new Item()
{
Name = "Christmas Crackers", SellIn = 9, Quality = 2
}
};
var rule = new ChristmasCrackerUpdateRule();
_inventoryManagementService = new InventoryManagementService(updateRule => rule);
//WHEN
var results = _inventoryManagementService.Update(items);
//THEN
var result = results.First();
result.Should().Be("Christmas Crackers 8 4");
}
