Pack opening

SVSim.UnitTests/Services/DbCardPoolProviderTests.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.EmulatedEntrypoint.Services;
+using SVSim.UnitTests.Infrastructure;
+
+namespace SVSim.UnitTests.Services;
+
+public class DbCardPoolProviderTests
+{
+    [Test]
+    public async Task GetPool_for_standard_pack_returns_cards_of_matching_set()
+    {
+        using var factory = new SVSimTestFactory();
+        long anyCardId;
+        int setId;
+        using (var scope = factory.Services.CreateScope())
+        {
+            var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+            var setWithCards = await db.CardSets.Include(s => s.Cards)
+                .FirstAsync(s => s.Cards.Count > 0);
+            setId = setWithCards.Id;
+            anyCardId = setWithCards.Cards.First().Id;
+        }
+
+        using var scope2 = factory.Services.CreateScope();
+        var provider = scope2.ServiceProvider.GetRequiredService<ICardPoolProvider>();
+        var pool = provider.GetPool(new PackConfigEntry
+        {
+            Id = setId, BasePackId = setId, PackCategory = PackCategory.None
+        });
+
+        Assert.That(pool.Any(c => c.Id == anyCardId), Is.True);
+    }
+
+    [Test]
+    public void GetPool_for_legendary_special_returns_cards_from_rotation_sets()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var provider = scope.ServiceProvider.GetRequiredService<ICardPoolProvider>();
+
+        var pool = provider.GetPool(new PackConfigEntry
+        {
+            Id = 92001, BasePackId = 90001, PackCategory = PackCategory.SpecialCardPack
+        });
+
+        Assert.That(pool.Count, Is.GreaterThan(0));
+    }
+
+    [Test]
+    public void GetPool_for_skin_pack_returns_empty()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var provider = scope.ServiceProvider.GetRequiredService<ICardPoolProvider>();
+
+        var pool = provider.GetPool(new PackConfigEntry
+        {
+            Id = 70001, BasePackId = 70001, PackCategory = PackCategory.LeaderSkinPack
+        });
+
+        Assert.That(pool, Is.Empty);
+    }
+}