OpenSource/GildedRose-Refactoring-Kata
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Yudai Tanaka 2021-05-05 17:13:01 +09:00
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ruby/gilded_rose_spec.rb
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@ -2,6 +2,21 @@ require File.join(File.dirname(__FILE__), "gilded_rose")
describe GildedRose do
describe "#update_quality" do
it "updates sell_in and quality of multiple items" do
items = [
Item.new("Dark Blade", 2, 3),
Item.new("Aged Brie", 2, 3),
Item.new("Backstage passes to a TAFKAL80ETC concert", 2, 3)
]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 1
expect(items[0].quality).to eq 2
expect(items[1].sell_in).to eq 1
expect(items[1].quality).to eq 4
expect(items[2].sell_in).to eq 1
expect(items[2].quality).to eq 6
end
it "does not change the name" do
items = [Item.new("foo", 0, 0)]
GildedRose.new(items).update_quality
@ -61,156 +76,135 @@ describe GildedRose do
end
context "when process Aged Brie" do
let(:item_name) { "Aged Brie" }
it "increases quality by 1" do
items = [Item.new("Aged Brie", 10, 5)]
items = [Item.new(item_name, 10, 5)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 9
expect(items[0].quality).to eq 6
items = [Item.new("Aged Brie", 1, 5)]
items = [Item.new(item_name, 1, 5)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 0
expect(items[0].quality).to eq 6
end
it "updates quality up to 50" do
items = [Item.new("Aged Brie", 5, 50)]
items = [Item.new(item_name, 5, 50)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq(4)
expect(items[0].quality).to eq 50
end
context "when sell_in is less than 1" do
it "increases quality by 2" do
items = [Item.new("Aged Brie", 0, 5)]
items = [Item.new(item_name, 0, 5)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq(-1)
expect(items[0].quality).to eq 7
items = [Item.new("Aged Brie", 0, 48)]
items = [Item.new(item_name, 0, 48)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq(-1)
expect(items[0].quality).to eq 50
end
it "updates quality up to 50" do
items = [Item.new("Aged Brie", 0, 49)]
items = [Item.new(item_name, 0, 49)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq(-1)
expect(items[0].quality).to eq 50
items = [Item.new("Aged Brie", 0, 50)]
items = [Item.new(item_name, 0, 50)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq(-1)
expect(items[0].quality).to eq 50
end
end
end
context "when process Backstage passes to a TAFKAL80ETC concert" do
let!(:item_name) { "Backstage passes to a TAFKAL80ETC concert" }
context "when sell_in is greater than to 10" do
it "increases quality by 1" do
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 11, 5)]
items = [Item.new(item_name, 11, 5)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 10
expect(items[0].quality).to eq 6
end
it "increases quality up to 50" do
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 11, 50)]
items = [Item.new(item_name, 11, 50)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 10
expect(items[0].quality).to eq 50
end
end
context "when sell_in is greater than 5 and less than or equal to 10" do
it "increases quality by 2" do
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 10, 5)]
items = [Item.new(item_name, 10, 5)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 9
expect(items[0].quality).to eq 7
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 6, 5)]
items = [Item.new(item_name, 6, 5)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 5
expect(items[0].quality).to eq 7
end
it "increases quality up to 50" do
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 10, 48)]
items = [Item.new(item_name, 10, 48)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 9
expect(items[0].quality).to eq 50
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 10, 49)]
items = [Item.new(item_name, 10, 49)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 9
expect(items[0].quality).to eq 50
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 10, 50)]
items = [Item.new(item_name, 10, 50)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 9
expect(items[0].quality).to eq 50
end
end
context "when sell_in is less than or equal to 5" do
it "increases quality by 3" do
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 5, 5)]
items = [Item.new(item_name, 5, 5)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 4
expect(items[0].quality).to eq 8
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 5, 0)]
items = [Item.new(item_name, 5, 0)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 4
expect(items[0].quality).to eq 3
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 1, 5)]
items = [Item.new(item_name, 1, 5)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 0
expect(items[0].quality).to eq 8
end
it "increases quality up to 50" do
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 5, 47)]
items = [Item.new(item_name, 5, 47)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 4
expect(items[0].quality).to eq 50
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 5, 48)]
items = [Item.new(item_name, 5, 48)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 4
expect(items[0].quality).to eq 50
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 5, 49)]
items = [Item.new(item_name, 5, 49)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 4
expect(items[0].quality).to eq 50
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 5, 50)]
items = [Item.new(item_name, 5, 50)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq 4
expect(items[0].quality).to eq 50
end
end
context "when sell_in is less than or equlal to 0" do
it "sets quality to 0" do
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 0, 5)]
items = [Item.new(item_name, 0, 5)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq(-1)
expect(items[0].quality).to eq 0
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", -1, 5)]
items = [Item.new(item_name, -1, 5)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq(-2)
expect(items[0].quality).to eq 0
items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 0, 50)]
items = [Item.new(item_name, 0, 50)]
GildedRose.new(items).update_quality
expect(items[0].sell_in).to eq(-1)
expect(items[0].quality).to eq 0
end
end