final

BlueLaminate/BlueLaminate.Tests/Tradeups/WeaponRarityTests.cs

@@ -0,0 +1,42 @@
+using BlueLaminate.Core.Tradeups;
+using Xunit;
+
+namespace BlueLaminate.Tests.Tradeups;
+
+public class WeaponRarityTests
+{
+    [Theory]
+    [InlineData("Consumer Grade", WeaponRarity.Consumer)]
+    [InlineData("Industrial Grade", WeaponRarity.Industrial)]
+    [InlineData("Mil-Spec Grade", WeaponRarity.MilSpec)]
+    [InlineData("Restricted", WeaponRarity.Restricted)]
+    [InlineData("Classified", WeaponRarity.Classified)]
+    [InlineData("Covert", WeaponRarity.Covert)]
+    public void Maps_each_weapon_tier_literal(string literal, WeaponRarity expected)
+    {
+        Assert.True(WeaponRarityExtensions.TryParse(literal, out var rarity));
+        Assert.Equal(expected, rarity);
+    }
+
+    [Theory]
+    [InlineData("Contraband")]   // The Howl
+    [InlineData("Extraordinary")] // Gloves
+    public void Reports_non_weapon_rarities_as_not_a_tier(string literal)
+    {
+        Assert.False(WeaponRarityExtensions.TryParse(literal, out _));
+    }
+
+    [Fact]
+    public void Throws_on_unknown_literal_so_a_catalogue_rename_is_loud()
+    {
+        Assert.Throws<ArgumentException>(() => WeaponRarityExtensions.TryParse("Mythical", out _));
+    }
+
+    [Fact]
+    public void Tiers_are_strictly_ordered()
+    {
+        Assert.True(WeaponRarity.Consumer < WeaponRarity.Industrial);
+        Assert.True(WeaponRarity.MilSpec < WeaponRarity.Restricted);
+        Assert.True(WeaponRarity.Classified < WeaponRarity.Covert);
+    }
+}