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90 lines
3.2 KiB
Ruby
90 lines
3.2 KiB
Ruby
require File.join(File.dirname(__FILE__), 'gilded_rose')
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describe GildedRose do
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describe "#update_quality" do
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it "does not change the name" do
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# Item#initialize(name, sell_in, quality)
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items = [Item.new("foo", 0, 0)]
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GildedRose.new(items).update_quality()
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expect(items[0].name).to eq "foo"
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end
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it "degrades twice as fast when sell by date has passed" do
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items = [Item.new("foo", 1, 20)]
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GildedRose.new(items).update_quality()
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expect(items[0].quality).to eq 19
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expect(items[0].sell_in).to eq 0 # One day has passed, quality degraded by one
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GildedRose.new(items).update_quality()
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expect(items[0].quality).to eq 17 # Sellin has passed, quality degrade by two
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end
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it "never degrades quality to a negative number" do
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items = [Item.new("foo", 1, 1)]
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10.times { GildedRose.new(items).update_quality() }
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expect(items[0].sell_in).to eq -9
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expect(items[0].quality).to eq 0
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end
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it "'Aged Brie' actually increases in Quality the older it gets" do
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items = [Item.new("Aged Brie", 20, 10)]
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GildedRose.new(items).update_quality()
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expect(items[0].quality).to eq 11
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10.times { GildedRose.new(items).update_quality() }
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expect(items[0].quality).to eq 21
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end
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it "Quality of an item never goes above 50" do
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items = [Item.new("Aged Brie", 1, 49)]
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GildedRose.new(items).update_quality()
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expect(items[0].quality).to eq 50
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10.times { GildedRose.new(items).update_quality() }
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expect(items[0].quality).to eq 50
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end
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it "'Sulfuras', being a legendary item, never has to be sold or decreases in Quality" do
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items = [Item.new("Sulfuras, Hand of Ragnaros", 1, 49)]
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item = items.first
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GildedRose.new(items).update_quality()
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expect(items[0].sell_in).to eq 1
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expect(items[0].quality).to eq 49
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end
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it "'Backstage passes', like aged brie, increases in Quality as its SellIn value approaches" do
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items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 20, 10)]
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GildedRose.new(items).update_quality()
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expect(items[0].quality).to eq 11
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end
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it "'Backstage passes', quality increases by 2 when there are 10 days or less" do
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items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 10, 11)]
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GildedRose.new(items).update_quality()
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expect(items[0].quality).to eq 13
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expect(items[0].sell_in).to eq 9
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4.times {GildedRose.new(items).update_quality()}
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expect(items[0].quality).to eq 21
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expect(items[0].sell_in).to eq 5
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end
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it "'Backstage passes', quality increases by 3 when there are 5 days or less" do
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items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 5, 30)]
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GildedRose.new(items).update_quality()
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expect(items[0].quality).to eq 33
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expect(items[0].sell_in).to eq 4
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end
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it "'Backstage passes', quality drops to 0 after the concert" do
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items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 1, 30)]
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GildedRose.new(items).update_quality()
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expect(items[0].quality).to eq 33
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expect(items[0].sell_in).to eq 0
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GildedRose.new(items).update_quality()
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expect(items[0].quality).to eq 0
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expect(items[0].sell_in).to eq -1
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end
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end
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end
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