Add a test to check that lathe recipes are possible (#33868)

* Add a test to check that all lathes accept the materials for all their recipesy

* Add check for storage limit

* Track total recipe material volume

* Check dynamic and emag recipes too

* Move AllLatheRecipesValidTest from ResearchTest to LatheTest

* Extremely minor modernization

Content.IntegrationTests/Tests/Lathe/LatheTest.cs

@@ -0,0 +1,132 @@
+using System.Collections.Generic;
+using System.Linq;
+using Content.Shared.Lathe;
+using Content.Shared.Materials;
+using Content.Shared.Prototypes;
+using Content.Shared.Research.Prototypes;
+using Content.Shared.Whitelist;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Prototypes;
+
+namespace Content.IntegrationTests.Tests.Lathe;
+
+[TestFixture]
+public sealed class LatheTest
+{
+    [Test]
+    public async Task TestLatheRecipeIngredientsFitLathe()
+    {
+        await using var pair = await PoolManager.GetServerClient();
+        var server = pair.Server;
+
+        var mapData = await pair.CreateTestMap();
+
+        var entMan = server.EntMan;
+        var protoMan = server.ProtoMan;
+        var compFactory = server.ResolveDependency<IComponentFactory>();
+        var materialStorageSystem = server.System<SharedMaterialStorageSystem>();
+        var whitelistSystem = server.System<EntityWhitelistSystem>();
+
+        await server.WaitAssertion(() =>
+        {
+            // Find all the lathes
+            var latheProtos = protoMan.EnumeratePrototypes<EntityPrototype>()
+                .Where(p => !p.Abstract)
+                .Where(p => !pair.IsTestPrototype(p))
+                .Where(p => p.HasComponent<LatheComponent>());
+
+            // Find every EntityPrototype that can be inserted into a MaterialStorage
+            var materialEntityProtos = protoMan.EnumeratePrototypes<EntityPrototype>()
+                .Where(p => !p.Abstract)
+                .Where(p => !pair.IsTestPrototype(p))
+                .Where(p => p.HasComponent<PhysicalCompositionComponent>());
+
+            // Spawn all of the above material EntityPrototypes - we need actual entities to do whitelist checks
+            var materialEntities = new List<EntityUid>(materialEntityProtos.Count());
+            foreach (var materialEntityProto in materialEntityProtos)
+            {
+                materialEntities.Add(entMan.SpawnEntity(materialEntityProto.ID, mapData.GridCoords));
+            }
+
+            Assert.Multiple(() =>
+            {
+                // Check each lathe individually
+                foreach (var latheProto in latheProtos)
+                {
+                    if (!latheProto.TryGetComponent<LatheComponent>(out var latheComp, compFactory))
+                        continue;
+
+                    if (!latheProto.TryGetComponent<MaterialStorageComponent>(out var storageComp, compFactory))
+                        continue;
+
+                    // Test which material-containing entities are accepted by this lathe
+                    var acceptedMaterials = new HashSet<ProtoId<MaterialPrototype>>();
+                    foreach (var materialEntity in materialEntities)
+                    {
+                        Assert.That(entMan.TryGetComponent<PhysicalCompositionComponent>(materialEntity, out var compositionComponent));
+                        if (whitelistSystem.IsWhitelistFail(storageComp.Whitelist, materialEntity))
+                            continue;
+
+                        // Mark the lathe as accepting each material in the entity
+                        foreach (var (material, _) in compositionComponent.MaterialComposition)
+                        {
+                            acceptedMaterials.Add(material);
+                        }
+                    }
+
+                    // Collect all the recipes assigned to this lathe
+                    var recipes = new List<ProtoId<LatheRecipePrototype>>();
+                    recipes.AddRange(latheComp.StaticRecipes);
+                    recipes.AddRange(latheComp.DynamicRecipes);
+                    if (latheProto.TryGetComponent<EmagLatheRecipesComponent>(out var emagRecipesComp, compFactory))
+                    {
+                        recipes.AddRange(emagRecipesComp.EmagStaticRecipes);
+                        recipes.AddRange(emagRecipesComp.EmagDynamicRecipes);
+                    }
+
+                    // Check each recipe assigned to this lathe
+                    foreach (var recipeId in recipes)
+                    {
+                        Assert.That(protoMan.TryIndex(recipeId, out var recipeProto));
+
+                        // Track the total material volume of the recipe
+                        var totalQuantity = 0;
+                        // Check each material called for by the recipe
+                        foreach (var (materialId, quantity) in recipeProto.Materials)
+                        {
+                            Assert.That(protoMan.TryIndex(materialId, out var materialProto));
+                            // Make sure the material is accepted by the lathe
+                            Assert.That(acceptedMaterials, Does.Contain(materialId), $"Lathe {latheProto.ID} has recipe {recipeId} but does not accept any materials containing {materialId}");
+                            totalQuantity += quantity;
+                        }
+                        // Make sure the recipe doesn't call for more material than the lathe can hold
+                        if (storageComp.StorageLimit != null)
+                            Assert.That(totalQuantity, Is.LessThanOrEqualTo(storageComp.StorageLimit), $"Lathe {latheProto.ID} has recipe {recipeId} which calls for {totalQuantity} units of materials but can only hold {storageComp.StorageLimit}");
+                    }
+                }
+            });
+        });
+
+        await pair.CleanReturnAsync();
+    }
+
+    [Test]
+    public async Task AllLatheRecipesValidTest()
+    {
+        await using var pair = await PoolManager.GetServerClient();
+
+        var server = pair.Server;
+        var proto = server.ProtoMan;
+
+        Assert.Multiple(() =>
+        {
+            foreach (var recipe in proto.EnumeratePrototypes<LatheRecipePrototype>())
+            {
+                if (recipe.Result == null)
+                    Assert.That(recipe.ResultReagents, Is.Not.Null, $"Recipe '{recipe.ID}' has no result or result reagents.");
+            }
+        });
+
+        await pair.CleanReturnAsync();
+    }
+}