refactor(bootstrap): migrate /pack/info to seed file

SVSim.UnitTests/Importers/PackImporterTests.cs

@@ -0,0 +1,112 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using SVSim.Bootstrap.Importers;
+using SVSim.Database;
+using SVSim.Database.Enums;
+using SVSim.Database.Models;
+using SVSim.UnitTests.Infrastructure;
+
+namespace SVSim.UnitTests.Importers;
+
+public class PackImporterTests
+{
+    private static string SeedDir => Path.Combine(AppContext.BaseDirectory, "Data", "seeds");
+
+    [Test]
+    public async Task Imports_packs_from_seed_file()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+
+        await new PackImporter().ImportAsync(db, SeedDir);
+
+        var packs = await db.Packs.OrderBy(p => p.Id).ToListAsync();
+        Assert.That(packs.Count, Is.GreaterThan(0), "seed file must contain packs");
+        Assert.That(packs.All(p => p.Id > 0), Is.True);
+    }
+
+    [Test]
+    public async Task Is_idempotent_on_rerun()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+
+        await new PackImporter().ImportAsync(db, SeedDir);
+        int before = await db.Packs.CountAsync();
+        await new PackImporter().ImportAsync(db, SeedDir);
+        int after = await db.Packs.CountAsync();
+
+        Assert.That(after, Is.EqualTo(before));
+    }
+
+    [Test]
+    public async Task Leaves_existing_rows_untouched_when_missing_from_seed()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+
+        const int legacyId = 99999;
+        db.Packs.Add(new PackConfigEntry
+        {
+            Id = legacyId,
+            BasePackId = legacyId,
+            GachaType = 1,
+            PackCategory = PackCategory.None,
+            GachaDetail = "legacy",
+        });
+        await db.SaveChangesAsync();
+
+        await new PackImporter().ImportAsync(db, SeedDir);
+
+        var legacy = await db.Packs.FindAsync(legacyId);
+        Assert.That(legacy, Is.Not.Null, "seed-missing row must be left intact");
+        Assert.That(legacy!.GachaDetail, Is.EqualTo("legacy"));
+    }
+
+    [Test]
+    public async Task Skips_rows_with_zero_parent_gacha_id()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+
+        string tmp = Path.Combine(Path.GetTempPath(), $"seed-{Guid.NewGuid()}");
+        Directory.CreateDirectory(tmp);
+        try
+        {
+            File.WriteAllText(Path.Combine(tmp, "packs.json"),
+                "[{\"parent_gacha_id\":0,\"base_pack_id\":1,\"gacha_type\":1,\"pack_category\":0,\"child_gachas\":[],\"banners\":[]}]");
+
+            await new PackImporter().ImportAsync(db, tmp);
+
+            int count = await db.Packs.CountAsync();
+            Assert.That(count, Is.EqualTo(0), "rows with parent_gacha_id=0 must not be inserted");
+        }
+        finally { Directory.Delete(tmp, true); }
+    }
+
+    [Test]
+    public async Task Owned_collections_are_replaced_wholesale_on_rerun()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+
+        await new PackImporter().ImportAsync(db, SeedDir);
+        var pack1 = await db.Packs.AsNoTracking().FirstAsync(p => p.Id == 10001);
+        int childCountBefore = pack1.ChildGachas.Count;
+        int bannerCountBefore = pack1.Banners.Count;
+
+        // Re-run: owned collections must NOT stack. Same fixture content -> same counts.
+        await new PackImporter().ImportAsync(db, SeedDir);
+
+        var pack2 = await db.Packs.AsNoTracking().FirstAsync(p => p.Id == 10001);
+        Assert.That(pack2.ChildGachas.Count, Is.EqualTo(childCountBefore),
+            "child_gachas must be replaced wholesale on rerun, not stacked");
+        Assert.That(pack2.Banners.Count, Is.EqualTo(bannerCountBefore),
+            "banners must be replaced wholesale on rerun, not stacked");
+    }
+}