Generalized material spawning (#12489)

Content.IntegrationTests/Tests/Materials/MaterialTests.cs

@@ -0,0 +1,59 @@
+#nullable enable
+using NUnit.Framework;
+using System.Threading.Tasks;
+using Content.Server.Stack;
+using Content.Shared.Stacks;
+using Content.Shared.Materials;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Map;
+using Robust.Shared.Prototypes;
+
+
+/// <summary>
+/// Materials and stacks have some odd relationships to entities,
+/// so we need some test coverage for them.
+/// </summary>
+namespace Content.IntegrationTests.Tests.Materials
+{
+    [TestFixture]
+    [TestOf(typeof(StackSystem))]
+    [TestOf(typeof(MaterialPrototype))]
+    public sealed class MaterialPrototypeSpawnsStackMaterialTest
+    {
+        [Test]
+        public async Task MaterialPrototypeSpawnsStackMaterial()
+        {
+            await using var pairTracker = await PoolManager.GetServerClient(new PoolSettings{NoClient = true});
+            var server = pairTracker.Pair.Server;
+            await server.WaitIdleAsync();
+
+            var mapManager = server.ResolveDependency<IMapManager>();
+            var prototypeManager = server.ResolveDependency<IPrototypeManager>();
+            var entityManager = server.ResolveDependency<IEntityManager>();
+
+            var testMap = await PoolManager.CreateTestMap(pairTracker);
+
+            await server.WaitAssertion(() =>
+            {
+                var allMaterialProtos = prototypeManager.EnumeratePrototypes<MaterialPrototype>();
+                var coords = testMap.GridCoords;
+
+                foreach (var proto in allMaterialProtos)
+                {
+                    if (proto.StackEntity == "")
+                        continue;
+
+                    var spawned = entityManager.SpawnEntity(proto.StackEntity, coords);
+
+                    Assert.That(entityManager.HasComponent<StackComponent>(spawned),
+                        $"{proto.ID} 'stack entity' {proto.StackEntity} has the stack component");
+
+                    Assert.That(entityManager.HasComponent<MaterialComponent>(spawned),
+                        $"{proto.ID} 'material stack' {proto.StackEntity} has the material component");
+                }
+
+                mapManager.DeleteMap(testMap.MapId);
+            });
+        }
+    }
+}