feat(bp): season + reward importers, idempotent + authoritative-per-season

SVSim.UnitTests/Importers/BattlePassSeasonImporterTests.cs

@@ -0,0 +1,85 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using SVSim.Bootstrap.Importers;
+using SVSim.Database;
+using SVSim.UnitTests.Infrastructure;
+
+namespace SVSim.UnitTests.Importers;
+
+public class BattlePassSeasonImporterTests
+{
+    private static string SeedDir => Path.Combine(AppContext.BaseDirectory, "Data", "seeds");
+
+    [Test]
+    public async Task Imports_season_from_seed_file()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+
+        await new BattlePassSeasonImporter().ImportAsync(db, SeedDir);
+
+        var season = await db.BattlePassSeasons.SingleAsync(s => s.Id == 23);
+        Assert.That(season.Name, Does.Contain("Season"));
+        Assert.That(season.MaxLevel, Is.EqualTo(100));
+        Assert.That(season.CanPurchase, Is.True);
+        Assert.That(season.PriceCrystal, Is.EqualTo(980));
+        Assert.That(season.StartDate.Offset, Is.EqualTo(TimeSpan.FromHours(9)),
+            "JST offset (+09:00) must round-trip through DateTimeOffset");
+    }
+
+    [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 BattlePassSeasonImporter().ImportAsync(db, SeedDir);
+        int before = await db.BattlePassSeasons.CountAsync();
+        await new BattlePassSeasonImporter().ImportAsync(db, SeedDir);
+        int after = await db.BattlePassSeasons.CountAsync();
+
+        Assert.That(after, Is.EqualTo(before));
+    }
+
+    [Test]
+    public async Task Updates_existing_row_when_seed_changes()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+
+        db.BattlePassSeasons.Add(new SVSim.Database.Models.BattlePassSeasonEntry
+        {
+            Id = 23, Name = "stale", MaxLevel = 0, PriceCrystal = 0,
+            StartDate = DateTimeOffset.MinValue, EndDate = DateTimeOffset.MinValue,
+        });
+        await db.SaveChangesAsync();
+
+        await new BattlePassSeasonImporter().ImportAsync(db, SeedDir);
+
+        var refreshed = await db.BattlePassSeasons.FindAsync(23);
+        Assert.That(refreshed!.Name, Is.Not.EqualTo("stale"));
+        Assert.That(refreshed.PriceCrystal, Is.EqualTo(980));
+    }
+
+    [Test]
+    public async Task Empty_seed_is_no_op()
+    {
+        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, "battle-pass-seasons.json"), "[]");
+            await new BattlePassSeasonImporter().ImportAsync(db, tmp);
+            int count = await db.BattlePassSeasons.CountAsync();
+            Assert.That(count, Is.EqualTo(0));
+        }
+        finally { Directory.Delete(tmp, true); }
+    }
+}