Targeted item actions (action/heal), item.add scenario action, inventory cell Decorate; mod cover

tests/ItemAddActionTests.cs

@@ -0,0 +1,75 @@
+namespace Cthangover.Mods.Items.Tests
+{
+    using System.Linq;
+    using Cthangover.Core.Items;
+    using Cthangover.Core.Mods.Resolvers;
+    using Cthangover.Core.Mods.Testing;
+
+    /// <summary><c>action item.add</c> from a scenario: a count defaults to one, a bad one adds nothing.</summary>
+    public class ItemAddActionTests
+    {
+        private static FakeActionContext Context(string id, string count)
+        {
+            var ctx = new FakeActionContext { Inventory = new Inventory() };
+            if (id != null)
+                ctx.Params["id"] = id;
+            if (count != null)
+                ctx.Params["count"] = count;
+            return ctx;
+        }
+
+        [ModTest("item_add/adds_count")]
+        static void AddsCount(ModTestContext test)
+        {
+            var id = Entities.Collect<ItemInfo>().Keys.First();
+            var ctx = Context(id, "3");
+            var before = ctx.Inventory.CheckCount(id);
+
+            new ItemAddAction().Run(ctx);
+
+            ModAssert.Equal(before + 3, ctx.Inventory.CheckCount(id), "three added");
+            ModAssert.Equal(0, ctx.Warnings.Count, "no warnings");
+        }
+
+        [ModTest("item_add/count_defaults_to_one")]
+        static void CountDefaultsToOne(ModTestContext test)
+        {
+            var id = Entities.Collect<ItemInfo>().Keys.First();
+            var ctx = Context(id, null);
+            var before = ctx.Inventory.CheckCount(id);
+
+            new ItemAddAction().Run(ctx);
+
+            ModAssert.Equal(before + 1, ctx.Inventory.CheckCount(id), "one added");
+        }
+
+        [ModTest("item_add/bad_arguments_add_nothing")]
+        static void BadArgumentsAddNothing(ModTestContext test)
+        {
+            var id = Entities.Collect<ItemInfo>().Keys.First();
+            foreach (var count in new[] { "0", "-2", "many" })
+            {
+                var ctx = Context(id, count);
+                var before = ctx.Inventory.CheckCount(id);
+                new ItemAddAction().Run(ctx);
+                ModAssert.Equal(before, ctx.Inventory.CheckCount(id), "count=" + count);
+                ModAssert.Equal(1, ctx.Warnings.Count, "warned about count=" + count);
+            }
+
+            var noId = Context(null, "1");
+            new ItemAddAction().Run(noId);
+            ModAssert.Equal(1, noId.Warnings.Count, "warned about the missing id");
+
+            var noInventory = new FakeActionContext();
+            noInventory.Params["id"] = id;
+            new ItemAddAction().Run(noInventory);
+            ModAssert.Equal(1, noInventory.Warnings.Count, "warned about the missing inventory");
+        }
+
+        [ModTest("item_add/name")]
+        static void Name(ModTestContext test)
+        {
+            ModAssert.Equal("item.add", new ItemAddAction().Name, "DSL name");
+        }
+    }
+}