Refactor

GildedRose.Tests/ProgramTests.cs

@@ -2,9 +2,129 @@ namespace GildedRose.Tests;
 
 public class ProgramTests
 {
+
+    private List<Item> items;
+    public ProgramTests() {
+
+        var app = new GildedRose.Program();
+        app.Items = new List<Item> { new Item { Name = "Vest", SellIn = 10, Quality = 20 },
+                                     new Item { Name = "Jacket", SellIn = 0, Quality = 10},
+                                     new Item { Name = "Poor Jacket", SellIn = 0, Quality = 1},
+                                     new Item { Name = "Aged Brie", SellIn = 5, Quality = 47},
+                                     new Item { Name = "Sulfuras, Hand of Ragnaros", SellIn = 0, Quality = 80},
+                                     new Item { Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 15, Quality = 30},
+                                     new Item { Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 10, Quality = 30},
+                                     new Item { Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 5, Quality = 30},
+                                     new Item { Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 1, Quality = 30},
+                                     new Item { Name = "Conjured", SellIn = 10, Quality = 30} };
+
+        app.UpdateQuality();
+        app.UpdateQuality();
+        app.UpdateQuality();
+        app.UpdateQuality();
+        app.UpdateQuality();
+        items = app.Items.ToList();
+
+    }
+
+
     [Fact]
-    public void TestTheTruth()
-    {
-        true.Should().BeTrue();
+    public void Program_Output_Is_Correct_Output() {
+
+        using var writer = new StringWriter();
+        Console.SetOut(writer);
+
+        var program = Assembly.Load(nameof(GildedRose));
+        program.EntryPoint?.Invoke(null, new[] { Array.Empty<string>() });
+
+        var output = writer.GetStringBuilder().ToString().TrimEnd();     
+        var outputFile = File.ReadAllText(@"../../../output.txt");
+
+        output.Should().Be(outputFile);
     }
+
+
+    [Fact]
+    public void Vest_Quality_Is_15_After_5_Days() {
+
+        items[0].Quality.Should().Be(15);
+
+    }
+
+    [Fact]
+    public void Vest_SellIn_Is_5_After_5_Days() {
+
+        items[0].SellIn.Should().Be(5);
+
+    }
+
+    [Fact]
+    public void Jacket_Quality_Is_0_After_5_Days() {
+
+
+        items[1].Quality.Should().Be(0);
+
+    }
+
+    [Fact]
+    public void Poor_Jacket_Quality_Is_0_After_5_Days() {
+
+
+        items[2].Quality.Should().Be(0);
+
+    }
+
+    [Fact]
+    public void Aged_Brie_Quality_Is_50_After_5_Days() {
+
+
+        items[3].Quality.Should().Be(50);
+
+    }
+
+    [Fact]
+    public void Sulfuras_Doesnt_Change() {
+
+
+        items[4].Quality.Should().Be(80);
+
+    }
+
+    [Fact]
+    public void Backstage_Pass_Increase_To_35() {
+
+
+        items[5].Quality.Should().Be(35);
+
+    }
+
+    [Fact]
+    public void Backstage_Pass_Increase_To_40() {
+
+        items[6].Quality.Should().Be(40);
+
+    }
+
+    [Fact]
+    public void Backstage_Pass_Increase_To_45() {
+
+
+        items[7].Quality.Should().Be(45);
+
+    }
+
+    [Fact]
+    public void Backstage_Pass_Quality_Becomes_0() {
+
+        items[8].Quality.Should().Be(0);
+
+    }
+
+    [Fact]
+    public void Conjured_Quality_Becomes_20() {
+
+        items[9].Quality.Should().Be(20);
+
+    }
+
 }

GildedRose.Tests/Usings.cs

@@ -1,2 +1,3 @@
 global using FluentAssertions;
 global using Xunit;
+global using System.Reflection;

GildedRose.sln

@@ -1,4 +1,4 @@
-
+
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 16
 VisualStudioVersion = 16.0.30114.105