55 lines
1.8 KiB
C#
55 lines
1.8 KiB
C#
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using Xunit;
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using System.Collections.Generic;
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namespace csharpcore
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{
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public class BasicItemTest
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{
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[Fact]
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public void ShouldUpdateQuality()
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{
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const int startSellIn = 31;
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const int startQuality = 20;
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var item = new Item {Name = "+5 Dexterity Vest", SellIn = startSellIn, Quality = startQuality};
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var app = new GildedRose(new List<Item> {item});
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app.UpdateQuality();
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Assert.Equal("+5 Dexterity Vest", item.Name);
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Assert.Equal(startSellIn - 1, item.SellIn);
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Assert.Equal(startQuality - 1, item.Quality);
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}
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[Theory]
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[InlineData(1, 1)]
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[InlineData(0, 2)] /* Once the sell by date has passed, Quality degrades twice as fast. */
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[InlineData(-1, 2)] /* Once the sell by date has passed, Quality degrades twice as fast. */
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public void ShouldDecrementQualityAccordingToSellInValue(int sellIn, int expectedDecrement)
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{
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const int startQuality = 20;
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var item = new Item {Name = "+5 Dexterity Vest", SellIn = sellIn, Quality = startQuality};
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var app = new GildedRose(new List<Item> {item});
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app.UpdateQuality();
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Assert.Equal(startQuality - expectedDecrement, item.Quality);
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}
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[Fact]
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public void ShouldNotSetDecrementQualityToNegativeValue()
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{
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const int startQuality = 0;
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var item = new Item {Name = "+5 Dexterity Vest", SellIn = 1, Quality = startQuality};
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var app = new GildedRose(new List<Item> {item});
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app.UpdateQuality();
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app.UpdateQuality();
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app.UpdateQuality();
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app.UpdateQuality();
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Assert.Equal(0, item.Quality);
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}
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}
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}
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