Add inventory helpers and an integration test for it (#1841)

Content.IntegrationTests/Tests/InventoryHelpersTest.cs

@@ -0,0 +1,69 @@
+using System.Threading.Tasks;
+using Content.Server.GameObjects.Components.GUI;
+using Content.Server.GameObjects.Components.Items.Storage;
+using Content.Server.GameObjects.Components.Mobs;
+using Content.Server.Utility;
+using Content.Shared.GameObjects.Components.Inventory;
+using NUnit.Framework;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.Map;
+using Robust.Shared.IoC;
+using Robust.Shared.Map;
+using static Content.Shared.GameObjects.Components.Inventory.EquipmentSlotDefines;
+
+namespace Content.IntegrationTests.Tests
+{
+    [TestFixture]
+    [TestOf(typeof(InventoryHelpers))]
+    public class InventoryHelpersTest : ContentIntegrationTest
+    {
+        [Test]
+        public async Task SpawnItemInSlotTest()
+        {
+            var server = StartServerDummyTicker();
+
+            IEntity human = null;
+            InventoryComponent inventory = null;
+            StunnableComponent stun = null;
+
+
+            server.Assert(() =>
+            {
+                var mapMan = IoCManager.Resolve<IMapManager>();
+
+                mapMan.CreateNewMapEntity(MapId.Nullspace);
+
+                var entityMan = IoCManager.Resolve<IEntityManager>();
+
+                human = entityMan.SpawnEntity("HumanMob_Content", MapCoordinates.Nullspace);
+                inventory = human.GetComponent<InventoryComponent>();
+                stun = human.GetComponent<StunnableComponent>();
+
+                // Can't do the test if this human doesn't have the slots for it.
+                Assert.That(inventory.HasSlot(Slots.INNERCLOTHING));
+                Assert.That(inventory.HasSlot(Slots.IDCARD));
+
+                Assert.That(inventory.SpawnItemInSlot(Slots.INNERCLOTHING, "UniformJanitor", true));
+
+                // Do we actually have the uniform equipped?
+                Assert.That(inventory.TryGetSlotItem(Slots.INNERCLOTHING, out ItemComponent uniform));
+                Assert.That(uniform.Owner.Prototype != null && uniform.Owner.Prototype.ID == "UniformJanitor");
+
+                stun.Stun(1f);
+
+                // Since the mob is stunned, they can't equip this.
+                Assert.That(inventory.SpawnItemInSlot(Slots.IDCARD, "AssistantIDCard", true), Is.False);
+
+                // Make sure we don't have the ID card equipped.
+                Assert.That(inventory.TryGetSlotItem(Slots.IDCARD, out ItemComponent _), Is.False);
+
+                // Let's try skipping the interaction check and see if it equips it!
+                Assert.That(inventory.SpawnItemInSlot(Slots.IDCARD, "AssistantIDCard", false));
+                Assert.That(inventory.TryGetSlotItem(Slots.IDCARD, out ItemComponent id));
+                Assert.That(id.Owner.Prototype != null && id.Owner.Prototype.ID == "AssistantIDCard");
+            });
+
+            await server.WaitIdleAsync();
+        }
+    }
+}