아웃게임 코드 예시

test.cs

using System;
using NSubstitute;
using NUnit.Framework;
using POP.Ingame.GameLogic;
using UniRx;

namespace TestTest
{
    public class UserModel
    {
        public IntRxProp Gold = new IntRxProp();
        public IntRxProp Piece = new IntRxProp();
    }

    public class CharacterUpgradeEntity
    {
        public virtual int GetPieceRequired() => 100;
        public virtual int GetGoldRequired() => 100;
    }

    public class CharacterAPI
    {
        public virtual bool Upgrade(CharacterType type)
        {
            // 서버로 대충 int로 바꿔서 보냄.
            return false;
        }
    }

    public class CharacterUpgradeModel
    {
        public IObservable<CharacterType> OnUpgrade => onUpgrade;

        private readonly Subject<CharacterType> onUpgrade = new Subject<CharacterType>();
        private readonly UserModel userModel;
        private readonly CharacterUpgradeEntity entity;
        private readonly CharacterAPI api;

        public CharacterUpgradeModel(
            UserModel userModel,
            CharacterUpgradeEntity entity,
            CharacterAPI api
        )
        {
            this.userModel = userModel;
            this.entity = entity;
            this.api = api;
        }

        public void Upgrade(CharacterType type)
        {
            bool enoughGold = entity.GetGoldRequired() <= userModel.Gold.Value;
            bool enoughPiece = entity.GetPieceRequired() <= userModel.Piece.Value;
            bool canUpgrade = enoughGold && enoughPiece;

            if (!canUpgrade)
                return;

            var success = api.Upgrade(type);
            if (success)
                onUpgrade.OnNext(type);
        }
    }

    public class CharacterUpgradeTest
    {
        UserModel userModel;
        CharacterUpgradeEntity entity;
        CharacterAPI api;
        CharacterUpgradeModel model;

        [SetUp]
        public void SetUp()
        {
            userModel = new UserModel();

            entity = Substitute.For<CharacterUpgradeEntity>();
            entity.GetGoldRequired().Returns(1000); // 골드 요구량
            entity.GetPieceRequired().Returns(2000); // 조각 요구량

            api = Substitute.For<CharacterAPI>();

            model = new CharacterUpgradeModel(userModel, entity, api);
        }

        [TestCase(999, 1999, false)]
        [TestCase(1000, 1999, false)]
        [TestCase(999, 2000, false)]
        [TestCase(1000, 2000, true)]
        public void 골드랑조각이충분하면_api에요청이간다(int gold, int piece, bool expected)
        {
            골드갯수(gold);
            조각갯수(piece);

            model.Upgrade(CharacterType.Red);

            if (expected)
                api.Received().Upgrade(CharacterType.Red);
            else
                api.DidNotReceive().Upgrade(CharacterType.Red);
        }

        private void 골드갯수(int amount)
        {
            userModel.Gold.Value = amount;
        }

        private void 조각갯수(int amount)
        {
            userModel.Piece.Value = amount;
        }

    }

}