Delta-v/Content.IntegrationTests/NUnit/Constraints/CompConstraint.cs

34 lines
1.3 KiB
C#

using NUnit.Framework.Constraints;
using NUnit.Framework.Internal;
using Robust.UnitTesting;
namespace Content.IntegrationTests.NUnit.Constraints;
/// <summary>
/// A prefix constraint like <see cref="PropertyConstraint"/>, for entity components.
/// </summary>
/// <seealso cref="CompConstraintExtensions"/>
public sealed class CompConstraint(Type tComp, IIntegrationInstance instance, IConstraint baseConstraint)
: PrefixConstraint(baseConstraint, $"component {tComp.Name}")
{
public override ConstraintResult ApplyTo<TActual>(TActual actual)
{
if (!ConstraintHelpers.TryActualAsEnt(actual, instance, out var ent, out var error))
{
if (error)
{
throw new NotImplementedException(
$"The input type {typeof(TActual)} to {nameof(CompExistsConstraint)} is not a supported entity id.");
}
return new ConstraintResult(this, actual, ConstraintStatus.Failure);
}
if (!instance.EntMan.TryGetComponent(ent, tComp, out var comp))
return new ConstraintResult(this, actual, ConstraintStatus.Failure);
var baseResult = Reflect.InvokeApplyTo(constraint: baseConstraint, tComp, comp);
return new ConstraintResult(this, baseResult.ActualValue, baseResult.Status);
}
}