Many more tests and fixes

Plugins/PkmnLib.Plugin.Gen7.Tests/DataTests/ItemDataTests.cs

@@ -0,0 +1,33 @@
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Tests.DataTests;
+
+/// <summary>
+/// Data tests for the Gen7 item library.
+/// </summary>
+public class ItemDataTests
+{
+    /// <summary>
+    /// Bulbapedia (Fling): "Fling inflicts damage; the power of the move is determined by the user's held
+    /// item." Canonical powers from the Fling item table: Iron Ball and Big Nugget 130, Hard Stone and
+    /// Rare Bone 100, Poison Barb 70, Damp Rock 60, Light Ball 30, Berries (Oran Berry) 10. The
+    /// <see cref="PkmnLib.Plugin.Gen7.Scripts.Moves.Fling"/> script reads these from the item's
+    /// "fling_power" additional data, so the data must define them.
+    /// </summary>
+    [Test, Arguments("iron_ball", (byte)130), Arguments("big_nugget", (byte)30), Arguments("hard_stone", (byte)100),
+     Arguments("rare_bone", (byte)100), Arguments("poison_barb", (byte)70), Arguments("damp_rock", (byte)60),
+     Arguments("light_ball", (byte)30), Arguments("oran_berry", (byte)10)]
+    public async Task Items_CanonicalFlingItems_DefineFlingPower(string itemName, byte expectedFlingPower)
+    {
+        // Arrange
+        var library = LibraryHelpers.LoadLibrary();
+
+        // Act
+        var found = library.StaticLibrary.Items.TryGet(new StringKey(itemName), out var item);
+
+        // Assert
+        await Assert.That(found).IsTrue();
+        await Assert.That(item!.TryGetAdditionalData<byte>(new StringKey("flingPower"), out var flingPower)).IsTrue();
+        await Assert.That(flingPower).IsEqualTo(expectedFlingPower);
+    }
+}