109 lines
4.2 KiB
C#
109 lines
4.2 KiB
C#
using PkmnLib.Dynamic.Models;
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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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namespace PkmnLib.Plugin.Gen7.Tests.Scripts.Moves;
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/// <summary>
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/// Tests for the <see cref="LuckyChant"/> move script and its volatile effect script
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/// <see cref="LuckyChantEffect"/>.
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/// Gen VII Bulbapedia behavior: "Lucky Chant prevents opponents from landing critical hits on the user's
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/// party for five turns, even if the move would always result in a critical hit (e.g. Frost Breath)."
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/// </summary>
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public class LuckyChantTests
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{
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/// <summary>
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/// Bulbapedia: the protection applies to "the user's party for five turns" — like the other
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/// side-affecting moves, the effect belongs on the user's side of the field so that Pokémon switching
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/// in during those five turns are protected as well.
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/// </summary>
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[Test]
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public async Task OnSecondaryEffect_Used_AddsLuckyChantEffectToUserSide()
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{
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// Arrange
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var script = new LuckyChant();
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var move = Substitute.For<IExecutingMove>();
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var sideScripts = Substitute.For<IScriptSet>();
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var side = Substitute.For<IBattleSide>();
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side.VolatileScripts.Returns(sideScripts);
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var user = Substitute.For<IBattlePokemon>();
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user.Volatile.Returns(Substitute.For<IScriptSet>());
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user.BattleSide.Returns(side);
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move.User.Returns(user);
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// Act - Lucky Chant targets the user's side; the user itself is one of the targets
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script.OnSecondaryEffect(move, user, 0);
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// Assert
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await Assert.That(sideScripts.ReceivedCalls().Any(c => c.GetMethodInfo().Name is "Add" or "StackOrAdd"))
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.IsTrue();
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}
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/// <summary>
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/// Bulbapedia: Lucky Chant "prevents opponents from landing critical hits" — the engine consults the
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/// defending side through <see cref="IScriptBlockIncomingCriticalHit"/>
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/// (<c>MoveTurnExecutor</c> only runs <see cref="IScriptBlockCriticalHit"/> over the attacking move's
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/// own scripts), so the effect must block through that hook to protect the party.
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/// </summary>
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[Test]
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public async Task BlockIncomingCriticalHit_EffectActive_CriticalHitBlocked()
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{
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// Arrange
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var effect = new LuckyChantEffect();
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var attack = Substitute.For<IExecutingMove>();
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var target = Substitute.For<IBattlePokemon>();
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var block = false;
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// Act
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if (effect is IScriptBlockIncomingCriticalHit blockIncoming)
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blockIncoming.BlockIncomingCriticalHit(attack, target, 0, ref block);
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// Assert
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await Assert.That(block).IsTrue();
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}
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/// <summary>
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/// Bulbapedia: the protection lasts "for five turns" — after four end-of-turns (the turn Lucky Chant
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/// was used and three more) the effect is still active.
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/// </summary>
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[Test]
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public async Task OnEndTurn_FourTurnsPassed_EffectStillActive()
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{
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// Arrange
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var effect = new LuckyChantEffect();
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var owner = Substitute.For<IBattlePokemon>();
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owner.GetScripts().Returns(_ => new ScriptIterator(Array.Empty<IEnumerable<ScriptContainer>>()));
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IScriptSet set = new ScriptSet(owner);
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set.Add(effect);
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// Act
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for (var i = 0; i < 4; i++)
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effect.OnEndTurn(owner, Substitute.For<IBattle>());
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// Assert
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await Assert.That(set.Contains(ScriptUtils.ResolveName<LuckyChantEffect>())).IsTrue();
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}
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/// <summary>
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/// Bulbapedia: the protection lasts "for five turns" — at the end of the fifth turn the effect expires.
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/// </summary>
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[Test]
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public async Task OnEndTurn_FiveTurnsPassed_EffectExpires()
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{
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// Arrange
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var effect = new LuckyChantEffect();
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var owner = Substitute.For<IBattlePokemon>();
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owner.GetScripts().Returns(_ => new ScriptIterator(Array.Empty<IEnumerable<ScriptContainer>>()));
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IScriptSet set = new ScriptSet(owner);
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set.Add(effect);
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// Act
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for (var i = 0; i < 5; i++)
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effect.OnEndTurn(owner, Substitute.For<IBattle>());
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// Assert
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await Assert.That(set.Contains(ScriptUtils.ResolveName<LuckyChantEffect>())).IsFalse();
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}
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} |