92 lines
3.1 KiB
C#
92 lines
3.1 KiB
C#
using PkmnLib.Dynamic.Models;
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using PkmnLib.Plugin.Gen7.Scripts.Moves;
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using PkmnLib.Static;
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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="Covet"/> move script.
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/// Gen VII Bulbapedia behavior: "Covet inflicts damage and steals the target's held item if it is holding
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/// any. If the target is not holding an item or the user is already holding an item, Covet cannot steal an
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/// item."
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/// </summary>
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public class CovetTests
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{
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private static (Covet script, IExecutingMove move, IPokemon user, IPokemon target) CreateTestSetup(
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IItem? targetItem)
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{
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var script = new Covet();
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var move = Substitute.For<IExecutingMove>();
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var user = Substitute.For<IPokemon>();
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// Explicitly return null to suppress NSubstitute's auto-substitution; Covet must see an empty-handed user.
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user.HeldItem.Returns((IItem?)null);
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move.User.Returns(user);
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var target = Substitute.For<IPokemon>();
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target.HeldItem.Returns(targetItem);
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if (targetItem != null)
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{
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target.TryStealHeldItem(out Arg.Any<IItem?>()).Returns(x =>
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{
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x[0] = targetItem;
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return true;
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});
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}
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return (script, move, user, target);
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}
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/// <summary>
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/// Bulbapedia: "Covet inflicts damage and steals the target's held item if it is holding any." The
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/// item is removed from the target and ends up held by the user.
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/// </summary>
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[Test]
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public void OnSecondaryEffect_TargetHoldsItem_UserStealsIt()
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{
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// Arrange
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var item = Substitute.For<IItem>();
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var (script, move, user, target) = CreateTestSetup(item);
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// Act
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script.OnSecondaryEffect(move, target, 0);
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// Assert - the item is taken from the target and given to the user
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target.Received(1).TryStealHeldItem(out Arg.Any<IItem?>());
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user.Received(1).ForceSetHeldItem(item);
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}
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/// <summary>
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/// Bulbapedia: "If the target is not holding an item [...], Covet cannot steal an item."
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/// </summary>
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[Test]
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public void OnSecondaryEffect_TargetHoldsNoItem_NothingIsStolen()
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{
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// Arrange
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var (script, move, user, target) = CreateTestSetup(null);
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// Act
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script.OnSecondaryEffect(move, target, 0);
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// Assert
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target.DidNotReceive().TryStealHeldItem(out Arg.Any<IItem?>());
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user.DidNotReceive().ForceSetHeldItem(Arg.Any<IItem?>());
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}
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/// <summary>
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/// Bulbapedia: "If [...] the user is already holding an item, Covet cannot steal an item."
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/// </summary>
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[Test]
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public void OnSecondaryEffect_UserAlreadyHoldsItem_TargetItemIsNotStolen()
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{
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// Arrange
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var targetItem = Substitute.For<IItem>();
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var (script, move, user, target) = CreateTestSetup(targetItem);
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user.HeldItem.Returns(Substitute.For<IItem>());
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// Act
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script.OnSecondaryEffect(move, target, 0);
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// Assert - the user must not end up with the target's item
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user.DidNotReceive().ForceSetHeldItem(targetItem);
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}
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} |