feat(svc): ArenaTwoPickCardPoolService (rarity-weighted, class+neutral)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
gamer147
142
SVSim.UnitTests/Services/ArenaTwoPickCardPoolServiceTests.cs
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142
SVSim.UnitTests/Services/ArenaTwoPickCardPoolServiceTests.cs
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.DependencyInjection;
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using NUnit.Framework;
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using SVSim.Database;
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using SVSim.Database.Enums;
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using SVSim.Database.Models;
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using SVSim.Database.Models.Config;
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using SVSim.Database.Services;
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using SVSim.EmulatedEntrypoint.Services;
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using SVSim.UnitTests.Infrastructure;
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namespace SVSim.UnitTests.Services;
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public class ArenaTwoPickCardPoolServiceTests
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{
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/// <summary>
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/// Seeds a fresh in-memory DB with cards. Each card tuple is
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/// (id, classId, setId, rarity, collectible).
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/// classId == 0 means neutral (Class navigation = null).
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/// </summary>
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private static async Task<SVSimDbContext> SeedCardsAsync(
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params (long id, int classId, int setId, Rarity rarity, bool collectible)[] cards)
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{
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var factory = new SVSimTestFactory();
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var scope = factory.Services.CreateScope();
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var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
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await db.Database.EnsureCreatedAsync();
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// Collect required class ids and ensure ClassEntry rows exist.
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var requiredClassIds = cards.Select(c => c.classId).Where(id => id != 0).Distinct().ToList();
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foreach (var cid in requiredClassIds)
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{
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if (!db.Classes.Any(c => c.Id == cid))
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db.Classes.Add(new ClassEntry { Id = cid, Name = $"Class{cid}" });
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}
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await db.SaveChangesAsync();
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// Load all needed classes into the context's Local cache so navigation assignments below work.
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await db.Classes.Where(c => requiredClassIds.Contains(c.Id)).LoadAsync();
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var classLookup = db.Classes.Local.ToDictionary(c => c.Id);
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// Group cards by set and create CardSet entries with navigation.
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var bySet = cards.GroupBy(c => c.setId);
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foreach (var group in bySet)
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{
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var set = new ShadowverseCardSetEntry
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{
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Id = group.Key,
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Name = $"TestSet{group.Key}",
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IsInRotation = true,
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};
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foreach (var c in group)
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{
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var classEntry = c.classId == 0
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? null
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: classLookup[c.classId];
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set.Cards.Add(new ShadowverseCardEntry
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{
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Id = c.id,
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Name = $"Card{c.id}",
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Rarity = c.rarity,
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Class = classEntry,
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CollectionInfo = c.collectible
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? new CardCollectionInfo { CraftCost = 200, DustReward = 50 }
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: null,
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});
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}
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db.CardSets.Add(set);
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}
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await db.SaveChangesAsync();
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return db;
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}
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private sealed class FakeRandom : IRandom
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{
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private readonly Queue<double> _doubles;
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private readonly Queue<int> _ints;
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public FakeRandom(IEnumerable<double> doubles, IEnumerable<int> ints)
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{ _doubles = new(doubles); _ints = new(ints); }
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public double NextDouble() => _doubles.Dequeue();
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public int Next(int maxExclusive) => _ints.Dequeue();
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}
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[Test]
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public async Task GeneratePickSets_returns_two_pairs_with_monotonic_ids_and_correct_turn()
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{
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await using var db = await SeedCardsAsync(
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(100001010L, 1, 10015, Rarity.Bronze, true),
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(900001010L, 0, 10015, Rarity.Bronze, true));
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var config = new ArenaTwoPickConfig();
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var challenge = new ChallengeConfig { PoolCardSetIds = new() { 10015 } };
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var svc = new ArenaTwoPickCardPoolService(db, StubConfig(config, challenge));
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var rng = new FakeRandom(
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doubles: Enumerable.Repeat(0.99, 8),
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ints: Enumerable.Repeat(0, 8));
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var pairs = svc.GeneratePickSetsForTurn(classId: 1, turn: 3, startingPairId: 42, rng);
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Assert.That(pairs.Count, Is.EqualTo(2));
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Assert.That(pairs[0].Id, Is.EqualTo(42));
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Assert.That(pairs[1].Id, Is.EqualTo(43));
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Assert.That(pairs[0].Turn, Is.EqualTo(3));
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Assert.That(pairs[1].Turn, Is.EqualTo(3));
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Assert.That(pairs[0].SetNum, Is.EqualTo(1));
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Assert.That(pairs[1].SetNum, Is.EqualTo(2));
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Assert.That(pairs[0].IsSelected, Is.False);
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}
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[Test]
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public async Task Empty_PoolCardSetIds_falls_back_to_RotationConfig_RotationCardSetIds()
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{
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await using var db = await SeedCardsAsync(
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(100001010L, 1, 10015, Rarity.Bronze, true));
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var config = new ArenaTwoPickConfig();
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var challenge = new ChallengeConfig { PoolCardSetIds = new() };
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var rotation = new RotationConfig { RotationCardSetIds = new() { 10015 } };
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var svc = new ArenaTwoPickCardPoolService(db, StubConfig(config, challenge, rotation));
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var rng = new FakeRandom(
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doubles: Enumerable.Repeat(0.99, 8),
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ints: Enumerable.Repeat(0, 8));
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var pairs = svc.GeneratePickSetsForTurn(classId: 1, turn: 1, startingPairId: 1, rng);
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Assert.That(pairs.Count, Is.EqualTo(2));
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Assert.That(pairs[0].CardId1, Is.EqualTo(100001010L));
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}
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private static IGameConfigService StubConfig(ArenaTwoPickConfig a, ChallengeConfig c, RotationConfig? r = null) =>
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new StubGameConfigService(a, c, r ?? new RotationConfig());
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private sealed class StubGameConfigService : IGameConfigService
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{
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private readonly ArenaTwoPickConfig _a;
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private readonly ChallengeConfig _c;
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private readonly RotationConfig _r;
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public StubGameConfigService(ArenaTwoPickConfig a, ChallengeConfig c, RotationConfig r) { _a = a; _c = c; _r = r; }
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public T Get<T>() where T : class, new() =>
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typeof(T) == typeof(ArenaTwoPickConfig) ? (T)(object)_a :
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typeof(T) == typeof(ChallengeConfig) ? (T)(object)_c :
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typeof(T) == typeof(RotationConfig) ? (T)(object)_r :
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new T();
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}
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}
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