More unit tests, fixes
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using PkmnLib.Dynamic.Models;
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using PkmnLib.Dynamic.Models.Choices;
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using PkmnLib.Dynamic.ScriptHandling;
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using PkmnLib.Dynamic.ScriptHandling.Registry;
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using PkmnLib.Plugin.Gen7.Scripts.Moves;
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using PkmnLib.Plugin.Gen7.Scripts.Side;
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using PkmnLib.Static.Moves;
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using PkmnLib.Static.Utils;
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namespace PkmnLib.Plugin.Gen7.Tests.Scripts.Moves;
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/// <summary>
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/// Tests for the <see cref="EchoedVoice"/> move script and its <see cref="EchoedVoiceData"/> side marker.
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/// Gen VII Bulbapedia behavior: "The move's base power increases by 40 each consecutive turn when used
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/// repeatedly, reaching a maximum of 200. Power increases only once per round, regardless of how many
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/// Pokémon deploy it."
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/// </summary>
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public class EchoedVoiceTests
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{
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/// <summary>
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/// Creates a mocked move choice whose chosen move has the given name.
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/// </summary>
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private static IMoveChoice CreateMoveChoice(string moveName)
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{
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var moveData = Substitute.For<IMoveData>();
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moveData.Name.Returns(new StringKey(moveName));
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var learnedMove = Substitute.For<ILearnedMove>();
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learnedMove.MoveData.Returns(moveData);
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var choice = Substitute.For<IMoveChoice>();
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choice.ChosenMove.Returns(learnedMove);
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return choice;
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}
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/// <summary>
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/// Creates a fully mocked test setup where the user's side has a real <see cref="ScriptSet"/> as its
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/// volatile scripts.
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/// </summary>
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private static (EchoedVoice script, IExecutingMove move, IPokemon target, IScriptSet sideScripts) CreateTestSetup()
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{
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var script = new EchoedVoice();
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var move = Substitute.For<IExecutingMove>();
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var target = Substitute.For<IPokemon>();
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var side = Substitute.For<IBattleSide>();
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side.GetScripts().Returns(_ => new ScriptIterator(Array.Empty<IEnumerable<ScriptContainer>>()));
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IScriptSet sideScripts = new ScriptSet(side);
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side.VolatileScripts.Returns(sideScripts);
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var battle = Substitute.For<IBattle>();
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battle.Sides.Returns(new[] { side });
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var battleData = Substitute.For<IPokemonBattleData>();
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battleData.Battle.Returns(battle);
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battleData.SideIndex.Returns((byte)0);
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var user = Substitute.For<IPokemon>();
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user.BattleData.Returns(battleData);
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move.User.Returns(user);
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return (script, move, target, sideScripts);
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}
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/// <summary>
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/// Bulbapedia: "The move's base power increases by 40 each consecutive turn" — on the first use there
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/// is no previous turn, so the base power is not modified.
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/// </summary>
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[Test]
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public async Task ChangeBasePower_FirstUse_BasePowerUnchanged()
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{
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// Arrange
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var (script, move, target, _) = CreateTestSetup();
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ushort basePower = 40;
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// Act
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script.ChangeBasePower(move, target, 0, ref basePower);
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// Assert
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await Assert.That(basePower).IsEqualTo((ushort)40);
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}
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/// <summary>
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/// Bulbapedia: "The move's base power increases by 40 each consecutive turn when used repeatedly,
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/// reaching a maximum of 200." Each previous consecutive use adds a stack worth 40 power: 80 on the
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/// second turn, 120 on the third, 160 on the fourth, and 200 on the fifth.
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/// </summary>
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[Test, Arguments(1, (ushort)80), Arguments(2, (ushort)120), Arguments(3, (ushort)160), Arguments(4, (ushort)200)]
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public async Task ChangeBasePower_ConsecutiveUses_PowerIncreasesByFortyPerTurn(int previousUses,
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ushort expectedPower)
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{
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// Arrange - the move hit on the given number of previous consecutive turns
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var (script, move, target, _) = CreateTestSetup();
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for (var i = 0; i < previousUses; i++)
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script.OnSecondaryEffect(move, target, 0);
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ushort basePower = 40;
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// Act
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script.ChangeBasePower(move, target, 0, ref basePower);
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// Assert
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await Assert.That(basePower).IsEqualTo(expectedPower);
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}
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/// <summary>
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/// Bulbapedia: the base power increases "reaching a maximum of 200" — further consecutive uses beyond
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/// the fifth turn do not push the power past the cap.
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/// </summary>
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[Test]
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public async Task ChangeBasePower_MoreThanFourPreviousUses_PowerCappedAtTwoHundred()
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{
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// Arrange
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var (script, move, target, _) = CreateTestSetup();
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for (var i = 0; i < 6; i++)
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script.OnSecondaryEffect(move, target, 0);
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ushort basePower = 40;
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// Act
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script.ChangeBasePower(move, target, 0, ref basePower);
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// Assert
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await Assert.That(basePower).IsEqualTo((ushort)200);
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}
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/// <summary>
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/// Bulbapedia: the power increase applies "when used repeatedly" — using the move marks the user's side
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/// with <see cref="EchoedVoiceData"/> so the next turn's use is recognized as consecutive.
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/// </summary>
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[Test]
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public async Task OnSecondaryEffect_AddsEchoedVoiceDataToUserSide()
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{
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// Arrange
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var (script, move, target, sideScripts) = CreateTestSetup();
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// Act
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script.OnSecondaryEffect(move, target, 0);
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// Assert
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await Assert.That(sideScripts.Contains(ScriptUtils.ResolveName<EchoedVoiceData>())).IsTrue();
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}
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/// <summary>
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/// Bulbapedia: "The move's base power increases by 40 each consecutive turn" — each additional use
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/// stacks the side marker, increasing <see cref="EchoedVoiceData.Stacks"/>.
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/// </summary>
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[Test]
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public async Task OnSecondaryEffect_UsedAgain_StacksEchoedVoiceData()
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{
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// Arrange
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var (script, move, target, sideScripts) = CreateTestSetup();
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// Act
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script.OnSecondaryEffect(move, target, 0);
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script.OnSecondaryEffect(move, target, 0);
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// Assert
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await Assert.That(sideScripts.Get<EchoedVoiceData>()!.Stacks).IsEqualTo(2);
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}
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/// <summary>
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/// Technical test: without battle data on the user (outside of battle) the base power hook does
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/// nothing and does not throw.
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/// </summary>
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[Test]
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public async Task ChangeBasePower_UserHasNoBattleData_BasePowerUnchanged()
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{
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// Arrange
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var (script, move, target, _) = CreateTestSetup();
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move.User.BattleData.Returns((IPokemonBattleData?)null);
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ushort basePower = 40;
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// Act
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script.ChangeBasePower(move, target, 0, ref basePower);
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// Assert
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await Assert.That(basePower).IsEqualTo((ushort)40);
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}
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/// <summary>
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/// Bulbapedia: the boost only applies on "consecutive" turns — when a Pokémon on the side chooses a
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/// move other than Echoed Voice, the <see cref="EchoedVoiceData"/> marker removes itself, resetting
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/// the power.
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/// </summary>
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[Test]
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public async Task OnBeforeMoveChoice_DifferentMoveChosen_MarkerRemovesItself()
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{
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// Arrange
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var side = Substitute.For<IBattleSide>();
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side.GetScripts().Returns(_ => new ScriptIterator(Array.Empty<IEnumerable<ScriptContainer>>()));
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IScriptSet sideScripts = new ScriptSet(side);
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var data = new EchoedVoiceData();
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sideScripts.Add(data);
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// Act
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data.OnBeforeMoveChoice(CreateMoveChoice("tackle"));
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// Assert
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await Assert.That(sideScripts.Contains(ScriptUtils.ResolveName<EchoedVoiceData>())).IsFalse();
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}
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/// <summary>
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/// Bulbapedia: "The move's base power increases by 40 each consecutive turn when used repeatedly" —
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/// choosing Echoed Voice again keeps the marker (and its stacks) alive.
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/// </summary>
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[Test]
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public async Task OnBeforeMoveChoice_EchoedVoiceChosen_MarkerStaysActive()
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{
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// Arrange
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var side = Substitute.For<IBattleSide>();
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side.GetScripts().Returns(_ => new ScriptIterator(Array.Empty<IEnumerable<ScriptContainer>>()));
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IScriptSet sideScripts = new ScriptSet(side);
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var data = new EchoedVoiceData();
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sideScripts.Add(data);
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// Act
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data.OnBeforeMoveChoice(CreateMoveChoice("echoed_voice"));
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// Assert
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await Assert.That(sideScripts.Contains(ScriptUtils.ResolveName<EchoedVoiceData>())).IsTrue();
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}
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}
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