Allow BYOND downloads to be configurable

tests/Tgstation.Server.Host.Tests/Components/Engine/TestByondInstallerBase.cs

@@ -0,0 +1,23 @@
+using System;
+
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace Tgstation.Server.Host.Components.Engine.Tests
+{
+	[TestClass]
+	public sealed class TestByondInstallerBase
+	{
+		[TestMethod]
+		public void TestUrlTemplateFormatting()
+		{
+			const string OSMarker = "TempleOS";
+
+			Assert.AreEqual(
+				new Uri("https://example.com/$515.1111_Hello Worl$d.zip"),
+				ByondInstallerBase.GetDownloadZipUrl(
+					new Version(515, 1111),
+					"https://example.com/$$${Major}.${Minor}_${TempleOS:Hello Worl$$d}.zip${Linux:Not this}${Or This}",
+					OSMarker));
+		}
+	}
+}