Add interaction tests (#15251)

Content.IntegrationTests/Tests/Construction/Interaction/WindowRepair.cs

@@ -0,0 +1,44 @@
+using System.Threading.Tasks;
+using Content.IntegrationTests.Tests.Interaction;
+using Content.Shared.Damage;
+using Content.Shared.Damage.Prototypes;
+using Content.Shared.FixedPoint;
+using NUnit.Framework;
+using Robust.Shared.Prototypes;
+
+namespace Content.IntegrationTests.Tests.Construction.Interaction;
+
+public sealed class WindowRepair : InteractionTest
+{
+    [Test]
+    public async Task RepairReinforcedWindow()
+    {
+        await SpawnTarget("ReinforcedWindow");
+
+        // Damage the entity.
+        var sys = SEntMan.System<DamageableSystem>();
+        var comp = Comp<DamageableComponent>();
+        var damageType = Server.ResolveDependency<IPrototypeManager>().Index<DamageTypePrototype>("Blunt");
+        var damage = new DamageSpecifier(damageType, FixedPoint2.New(10));
+        Assert.That(comp.Damage.Total, Is.EqualTo(FixedPoint2.Zero));
+        await Server.WaitPost(() => sys.TryChangeDamage(Target, damage, ignoreResistances: true));
+        await RunTicks(5);
+        Assert.That(comp.Damage.Total, Is.GreaterThan(FixedPoint2.Zero));
+
+        // Repair the entity
+        await Interact(Weld);
+        Assert.That(comp.Damage.Total, Is.EqualTo(FixedPoint2.Zero));
+
+        // Validate that we can still deconstruct the entity (i.e., that welding deconstruction is not blocked).
+        await Interact(
+            Weld,
+            Screw,
+            Pry,
+            Weld,
+            Screw,
+            Wrench);
+        AssertDeleted();
+        await AssertEntityLookup((RGlass, 2));
+    }
+}
+