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gilded_rose_spec.rb
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# frozen_string_literal: true
require File.join(File.dirname(__FILE__), 'gilded_rose')
describe GildedRose do
describe '#update_quality' do
it "doesn't change names and makes correct updates" do
items = [Item.new('+5 Dexterity Vest', 1, 20),
Item.new(GildedRose::AGED, 2, 0),
Item.new('Elixir of the Mongoose', 5, 7),
Item.new(GildedRose::SULFURAS, 0, 79),
Item.new(GildedRose::SULFURAS, -1, 81),
Item.new(GildedRose::CONJURED, 3, 12),
Item.new(GildedRose::BACKSTAGE, 11, 20),
Item.new(GildedRose::BACKSTAGE, 10, 49),
Item.new(GildedRose::BACKSTAGE, 5, 49)
]
# ------------ Day 1 ---------------
GildedRose.new(items).update_quality
expect(items[0].name).to eq('+5 Dexterity Vest')
expect(items[0].sell_in).to eq(0)
expect(items[0].quality).to eq(19)
expect(items[1].name).to eq(GildedRose::AGED)
expect(items[1].sell_in).to eq(1)
expect(items[1].quality).to eq(1)
expect(items[3].name).to eq(GildedRose::SULFURAS)
expect(items[3].sell_in).to eq(0)
expect(items[3].quality).to eq(80)
expect(items[3].name).to eq(GildedRose::SULFURAS)
expect(items[4].sell_in).to eq(-1)
expect(items[4].quality).to eq(80)
expect(items[5].name).to eq(GildedRose::CONJURED)
expect(items[5].sell_in).to eq(2)
expect(items[5].quality).to eq(10)
expect(items[6].sell_in).to eq(10)
expect(items[6].quality).to eq(21)
expect(items[7].sell_in).to eq(9)
expect(items[7].quality).to eq(50)
expect(items[8].sell_in).to eq(4)
expect(items[8].quality).to eq(50)
# ------------ Day 2 ---------------
GildedRose.new(items).update_quality
expect(items[0].quality).to eq(18)
expect(items[1].sell_in).to eq(0)
expect(items[1].quality).to eq(2)
expect(items[3].name).to eq(GildedRose::SULFURAS)
expect(items[3].sell_in).to eq(0)
expect(items[3].quality).to eq(80)
expect(items[4].name).to eq(GildedRose::SULFURAS)
expect(items[4].sell_in).to eq(-1)
expect(items[4].quality).to eq(80)
expect(items[5].sell_in).to eq(1)
expect(items[5].quality).to eq(8)
expect(items[6].sell_in).to eq(9)
expect(items[6].quality).to eq(23)
expect(items[7].sell_in).to eq(8)
expect(items[7].quality).to eq(50)
expect(items[8].sell_in).to eq(3)
expect(items[8].quality).to eq(50)
# ------------ Day 3 ---------------
GildedRose.new(items).update_quality
expect(items[0].quality).to eq(16)
expect(items[1].sell_in).to eq(-1)
expect(items[1].quality).to eq(3)
expect(items[5].sell_in).to eq(0)
expect(items[5].quality).to eq(6)
expect(items[6].sell_in).to eq(8)
expect(items[6].quality).to eq(25)
expect(items[7].sell_in).to eq(7)
expect(items[7].quality).to eq(50)
expect(items[8].sell_in).to eq(2)
expect(items[8].quality).to eq(50)
# ------------ Day 4 ---------------
GildedRose.new(items).update_quality
expect(items[5].sell_in).to eq(-1)
expect(items[5].quality).to eq(4)
expect(items[6].sell_in).to eq(7)
expect(items[6].quality).to eq(27)
expect(items[7].sell_in).to eq(6)
expect(items[7].quality).to eq(50)
expect(items[8].sell_in).to eq(1)
expect(items[8].quality).to eq(50)
# ------------ Day 5 ---------------
GildedRose.new(items).update_quality
expect(items[5].sell_in).to eq(-2)
expect(items[5].quality).to eq(0)
expect(items[6].sell_in).to eq(6)
expect(items[6].quality).to eq(29)
expect(items[7].sell_in).to eq(5)
expect(items[7].quality).to eq(50)
expect(items[8].sell_in).to eq(0)
expect(items[8].quality).to eq(50)
# ------------ Day 6 ---------------
GildedRose.new(items).update_quality
expect(items[5].sell_in).to eq(-3)
expect(items[5].quality).to eq(0)
expect(items[6].sell_in).to eq(5)
expect(items[6].quality).to eq(31)
expect(items[7].sell_in).to eq(4)
expect(items[7].quality).to eq(50)
expect(items[8].sell_in).to eq(-1)
expect(items[8].quality).to eq(0)
end
end
end