Pack opening

SVSim.UnitTests/Repositories/PackRepositoryTests.cs

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+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using SVSim.Database;
+using SVSim.Database.Enums;
+using SVSim.Database.Models;
+using SVSim.Database.Repositories.Pack;
+using SVSim.UnitTests.Infrastructure;
+
+namespace SVSim.UnitTests.Repositories;
+
+public class PackRepositoryTests
+{
+    private static async Task SeedPack(SVSimTestFactory factory, int parentId, int baseId, PackCategory cat,
+        DateTime commence, DateTime complete)
+    {
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+        db.Packs.Add(new PackConfigEntry
+        {
+            Id = parentId, BasePackId = baseId, PackCategory = cat,
+            CommenceDate = commence, CompleteDate = complete,
+            GachaType = 1, GachaDetail = "test",
+            ChildGachas = { new PackChildGachaEntry { GachaId = parentId * 10, TypeDetail = 7, Cost = 100, CardCount = 8 } },
+        });
+        await db.SaveChangesAsync();
+    }
+
+    [Test]
+    public async Task GetActivePacks_filters_by_date_window()
+    {
+        using var factory = new SVSimTestFactory();
+        var now = new DateTime(2026, 5, 24, 12, 0, 0, DateTimeKind.Utc);
+        await SeedPack(factory, 10001, 10001, PackCategory.None, now.AddDays(-30), now.AddDays(30));   // active
+        await SeedPack(factory, 10002, 10002, PackCategory.None, now.AddDays(+1),  now.AddDays(30));   // not started
+        await SeedPack(factory, 10003, 10003, PackCategory.None, now.AddDays(-30), now.AddDays(-1));   // expired
+
+        using var scope = factory.Services.CreateScope();
+        var repo = scope.ServiceProvider.GetRequiredService<IPackRepository>();
+        var packs = await repo.GetActivePacks(now);
+
+        Assert.That(packs.Select(p => p.Id), Is.EquivalentTo(new[] { 10001 }));
+    }
+
+    [Test]
+    public async Task GetPack_includes_child_gachas_and_banners()
+    {
+        using var factory = new SVSimTestFactory();
+        var now = DateTime.UtcNow;
+        await SeedPack(factory, 10001, 10001, PackCategory.None, now.AddDays(-1), now.AddDays(1));
+
+        using var scope = factory.Services.CreateScope();
+        var repo = scope.ServiceProvider.GetRequiredService<IPackRepository>();
+        var pack = await repo.GetPack(10001);
+
+        Assert.That(pack, Is.Not.Null);
+        Assert.That(pack!.ChildGachas.Count, Is.EqualTo(1));
+        Assert.That(pack.ChildGachas[0].GachaId, Is.EqualTo(100010));
+    }
+
+    [Test]
+    public async Task IncrementOpenCount_creates_then_updates()
+    {
+        using var factory = new SVSimTestFactory();
+        long viewerId = await factory.SeedViewerAsync();
+
+        using (var scope = factory.Services.CreateScope())
+        {
+            var repo = scope.ServiceProvider.GetRequiredService<IPackRepository>();
+            await repo.IncrementOpenCount(viewerId, 10001, 3);
+            await repo.IncrementOpenCount(viewerId, 10001, 2);
+        }
+
+        using (var scope = factory.Services.CreateScope())
+        {
+            var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+            var v = await db.Viewers.Include(x => x.PackOpenCounts).FirstAsync(x => x.Id == viewerId);
+            var row = v.PackOpenCounts.Single(p => p.PackId == 10001);
+            Assert.That(row.OpenCount, Is.EqualTo(5));
+        }
+    }
+
+    [Test]
+    public async Task GrantCardsToViewer_inserts_new_and_increments_existing()
+    {
+        using var factory = new SVSimTestFactory();
+        long viewerId = await factory.SeedViewerAsync();
+
+        // Cards are not seeded by BaseDataSeeder (they come from CardImport). Insert one directly.
+        const long seedCardId = 100000001L;
+        using (var scope = factory.Services.CreateScope())
+        {
+            var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+            db.Cards.Add(new ShadowverseCardEntry { Id = seedCardId, Name = "Test Card", Rarity = Rarity.Bronze });
+            await db.SaveChangesAsync();
+        }
+
+        long sampleCardId;
+        using (var scope = factory.Services.CreateScope())
+        {
+            var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+            sampleCardId = await db.Cards.OrderBy(c => c.Id).Select(c => c.Id).FirstAsync();
+        }
+
+        using (var scope = factory.Services.CreateScope())
+        {
+            var repo = scope.ServiceProvider.GetRequiredService<IPackRepository>();
+            await repo.GrantCardsToViewer(viewerId, new[] { sampleCardId, sampleCardId });
+        }
+
+        using (var scope = factory.Services.CreateScope())
+        {
+            var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+            var v = await db.Viewers.Include(x => x.Cards).ThenInclude(c => c.Card)
+                .FirstAsync(x => x.Id == viewerId);
+            var owned = v.Cards.Single(c => c.Card.Id == sampleCardId);
+            Assert.That(owned.Count, Is.EqualTo(2));
+        }
+    }
+}