⏪ ♻️ Restore mistakenly removed tests

.Lib9c.Tests/Action/CombinationConsumableTest.cs

@@ -0,0 +1,133 @@
+namespace Lib9c.Tests.Action
+{
+    using System.Globalization;
+    using System.Linq;
+    using Libplanet.Action;
+    using Libplanet.Action.State;
+    using Libplanet.Crypto;
+    using Libplanet.Types.Assets;
+    using Nekoyume;
+    using Nekoyume.Action;
+    using Nekoyume.Model;
+    using Nekoyume.Model.Item;
+    using Nekoyume.Model.Mail;
+    using Nekoyume.Model.State;
+    using Nekoyume.Module;
+    using Xunit;
+
+    public class CombinationConsumableTest
+    {
+        private readonly Address _agentAddress;
+        private readonly Address _avatarAddress;
+        private readonly IRandom _random;
+        private readonly TableSheets _tableSheets;
+        private IWorld _initialState;
+
+        public CombinationConsumableTest()
+        {
+            _agentAddress = new PrivateKey().Address;
+            _avatarAddress = _agentAddress.Derive("avatar");
+            var slotAddress = _avatarAddress.Derive(
+                string.Format(
+                    CultureInfo.InvariantCulture,
+                    CombinationSlotState.DeriveFormat,
+                    0
+                )
+            );
+            var sheets = TableSheetsImporter.ImportSheets();
+            _random = new TestRandom();
+            _tableSheets = new TableSheets(sheets);
+
+            var agentState = new AgentState(_agentAddress);
+            agentState.avatarAddresses[0] = _avatarAddress;
+
+            var gameConfigState = new GameConfigState();
+
+            var avatarState = new AvatarState(
+                _avatarAddress,
+                _agentAddress,
+                1,
+                _tableSheets.GetAvatarSheets(),
+                gameConfigState,
+                default
+            );
+
+#pragma warning disable CS0618
+            // Use of obsolete method Currency.Legacy(): https://github.com/planetarium/lib9c/discussions/1319
+            var gold = new GoldCurrencyState(Currency.Legacy("NCG", 2, null));
+#pragma warning restore CS0618
+
+            _initialState = new World(new MockWorldState())
+                .SetAgentState(_agentAddress, agentState)
+                .SetAvatarState(_avatarAddress, avatarState)
+                .SetLegacyState(
+                    slotAddress,
+                    new CombinationSlotState(
+                        slotAddress,
+                        GameConfig.RequireClearedStageLevel.CombinationConsumableAction).Serialize())
+                .SetLegacyState(GameConfigState.Address, gold.Serialize());
+
+            foreach (var (key, value) in sheets)
+            {
+                _initialState =
+                    _initialState.SetLegacyState(Addresses.TableSheet.Derive(key), value.Serialize());
+            }
+        }
+
+        [Fact]
+        public void Execute()
+        {
+            var avatarState = _initialState.GetAvatarState(_avatarAddress);
+            var row = _tableSheets.ConsumableItemRecipeSheet.Values.First();
+            var costActionPoint = row.RequiredActionPoint;
+            foreach (var materialInfo in row.Materials)
+            {
+                var materialRow = _tableSheets.MaterialItemSheet[materialInfo.Id];
+                var material = ItemFactory.CreateItem(materialRow, _random);
+                avatarState.inventory.AddItem(material, materialInfo.Count);
+            }
+
+            var previousActionPoint = avatarState.actionPoint;
+            var previousResultConsumableCount =
+                avatarState.inventory.Equipments.Count(e => e.Id == row.ResultConsumableItemId);
+            var previousMailCount = avatarState.mailBox.Count;
+
+            avatarState.worldInformation = new WorldInformation(
+                0,
+                _tableSheets.WorldSheet,
+                GameConfig.RequireClearedStageLevel.CombinationConsumableAction);
+
+            IWorld previousState = _initialState.SetAvatarState(_avatarAddress, avatarState);
+
+            var action = new CombinationConsumable
+            {
+                avatarAddress = _avatarAddress,
+                recipeId = row.Id,
+                slotIndex = 0,
+            };
+
+            var nextState = action.Execute(new ActionContext
+            {
+                PreviousState = previousState,
+                Signer = _agentAddress,
+                BlockIndex = 1,
+                RandomSeed = _random.Seed,
+            });
+
+            var slotState = nextState.GetCombinationSlotState(_avatarAddress, 0);
+            Assert.NotNull(slotState.Result);
+            Assert.NotNull(slotState.Result.itemUsable);
+
+            var consumable = (Consumable)slotState.Result.itemUsable;
+            Assert.NotNull(consumable);
+
+            var nextAvatarState = nextState.GetAvatarState(_avatarAddress);
+            Assert.Equal(previousActionPoint - costActionPoint, nextAvatarState.actionPoint);
+            Assert.Equal(previousMailCount + 1, nextAvatarState.mailBox.Count);
+            Assert.IsType<CombinationMail>(nextAvatarState.mailBox.First());
+            Assert.Equal(
+                previousResultConsumableCount + 1,
+                nextAvatarState.inventory.Consumables.Count(e => e.Id == row.ResultConsumableItemId));
+        }
+    }
+}