Many more tests and fixes

Plugins/PkmnLib.Plugin.Gen7.Tests/Scripts/Moves/LowKickTests.cs

@@ -0,0 +1,56 @@
+using PkmnLib.Dynamic.Models;
+using PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+namespace PkmnLib.Plugin.Gen7.Tests.Scripts.Moves;
+
+/// <summary>
+/// Tests for the <see cref="LowKick"/> move script.
+/// Gen VII Bulbapedia behavior (Generation III onwards): "Low Kick now has 100% accuracy, and its power is
+/// now dependent on the weight of the target, inflicting greater damage on heavier targets."
+/// </summary>
+public class LowKickTests
+{
+    /// <summary>
+    /// Bulbapedia weight-to-power table: 0.1–9.9 kg → 20, 10.0–24.9 kg → 40, 25.0–49.9 kg → 60,
+    /// 50.0–99.9 kg → 80, 100.0–199.9 kg → 100, 200.0+ kg → 120. Each row tests a boundary of the table.
+    /// </summary>
+    [Test, Arguments(0.1f, 20), Arguments(9.9f, 20), Arguments(10.0f, 40), Arguments(24.9f, 40), Arguments(25.0f, 60),
+     Arguments(49.9f, 60), Arguments(50.0f, 80), Arguments(99.9f, 80), Arguments(100.0f, 100), Arguments(199.9f, 100),
+     Arguments(200.0f, 120), Arguments(950.0f, 120)]
+    public async Task ChangeBasePower_TargetWeight_PowerFollowsWeightTable(float weightInKg, int expectedPower)
+    {
+        // Arrange
+        var script = new LowKick();
+        var move = Substitute.For<IExecutingMove>();
+        var target = Substitute.For<IPokemon>();
+        target.WeightInKg.Returns(weightInKg);
+        ushort basePower = 50;
+
+        // Act
+        script.ChangeBasePower(move, target, 0, ref basePower);
+
+        // Assert
+        await Assert.That(basePower).IsEqualTo((ushort)expectedPower);
+    }
+
+    /// <summary>
+    /// Bulbapedia: the power is "dependent on the weight of the target" only — the move's original base
+    /// power is irrelevant and fully replaced by the table value.
+    /// </summary>
+    [Test]
+    public async Task ChangeBasePower_HighOriginalBasePower_OverwrittenByWeightTable()
+    {
+        // Arrange
+        var script = new LowKick();
+        var move = Substitute.For<IExecutingMove>();
+        var target = Substitute.For<IPokemon>();
+        target.WeightInKg.Returns(5f);
+        var basePower = ushort.MaxValue;
+
+        // Act
+        script.ChangeBasePower(move, target, 0, ref basePower);
+
+        // Assert
+        await Assert.That(basePower).IsEqualTo((ushort)20);
+    }
+}