GildedRose-Refactoring-Kata/swift/Tests/GildedRoseTests/TestQualityModificationRules.swift

39 lines
1.7 KiB
Swift

//
// TestSellInModificationRule.swift
// GildedRose
//
// Created by Lucas van Dongen on 23/11/2020.
//
@testable import GildedRose
import XCTest
class TestSellInModificationRule: XCTestCase {
private let regularItem = Item(name: "Regular Item", sellIn: 1, quality: 5)
private let backstagePassesItem = Item(name: "Backstage passes to a TAFKAL80ETC concert", sellIn: 1, quality: 0)
private let brieItem = Item(name: "Aged Brie", sellIn: 2, quality: 0)
private let sulfuras = Item(name: "Sulfuras, Hand of Ragnaros", sellIn: 0, quality: 50)
//- All items have a SellIn value which denotes the number of days we have to sell the item
func testRuleSelection() {
XCTAssertEqual(QualityModificationRule.rule(for: regularItem), .regular)
XCTAssertEqual(QualityModificationRule.rule(for: backstagePassesItem), .qualityIncreasesFasterBeforeExpireThenDropsToZero)
XCTAssertEqual(QualityModificationRule.rule(for: brieItem), .increasesQuality)
XCTAssertEqual(QualityModificationRule.rule(for: sulfuras), .legendary)
}
func testApplyQualityThresholds() {
let tooLow = Item(name: "Too low", sellIn: 0, quality: 0)
let tooHigh = Item(name: "Too high", sellIn: 0, quality: 50)
let unaltered = Item(name: "Too low", sellIn: 0, quality: 25)
XCTAssertEqual(QualityModificationRule.applyQualityThresholds(to: tooLow, newQuality: -1).quality, 0)
XCTAssertEqual(QualityModificationRule.applyQualityThresholds(to: tooHigh, newQuality: 51).quality, 50)
XCTAssertEqual(QualityModificationRule.applyQualityThresholds(to: unaltered, newQuality: 24).quality, 24)
}
func testIsRegularItemExpired() {
}
}