Initial commit

tests/Infrastructure/MasterDatabaseFixture.cs

@@ -0,0 +1,32 @@
+using MariesWonderland.Configuration;
+using MariesWonderland.Data;
+using Microsoft.Extensions.Configuration;
+
+namespace MariesWonderland.Tests.Infrastructure;
+
+/// <summary>
+/// Shared fixture that loads the master database and game config once per test collection.
+/// Use as <c>IClassFixture&lt;MasterDatabaseFixture&gt;</c> on test classes that need master data.
+/// </summary>
+public sealed class MasterDatabaseFixture : IDisposable
+{
+    public DarkMasterMemoryDatabase MasterDb { get; }
+    public GameConfig GameConfig { get; }
+
+    public MasterDatabaseFixture()
+    {
+        var config = new ConfigurationBuilder()
+            .SetBasePath(Path.Combine(AppContext.BaseDirectory, "..", "..", "..", "..", "src"))
+            .AddJsonFile("appsettings.json", optional: false)
+            .AddJsonFile("appsettings.Development.json", optional: true)
+            .Build();
+
+        var options = config.GetSection(ServerOptions.SectionName).Get<ServerOptions>()!;
+        var binPath = Path.Combine(options.Paths.MasterDatabase, $"{options.Data.LatestMasterDataVersion}.bin.e");
+
+        MasterDb = BinaryMasterDataLoader.Load(binPath);
+        GameConfig = GameConfig.From(MasterDb.EntityMConfig);
+    }
+
+    public void Dispose() { }
+}