Add a test for rejuvenating dead entities (#2433)

Content.IntegrationTests/Tests/Commands/RejuvenateTest.cs

@@ -0,0 +1,53 @@
+using Content.Server.GlobalVerbs;
+using Content.Shared.Damage;
+using Content.Shared.GameObjects.Components.Damage;
+using NUnit.Framework;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.Map;
+using Robust.Shared.IoC;
+using Robust.Shared.Map;
+
+namespace Content.IntegrationTests.Tests.Commands
+{
+    [TestFixture]
+    [TestOf(typeof(RejuvenateVerb))]
+    public class RejuvenateTest : ContentIntegrationTest
+    {
+        [Test]
+        public void RejuvenateDeadTest()
+        {
+            var server = StartServerDummyTicker();
+
+            IEntity human = null;
+            IDamageableComponent damageable = null;
+
+            server.Assert(() =>
+            {
+                var mapManager = IoCManager.Resolve<IMapManager>();
+
+                mapManager.CreateNewMapEntity(MapId.Nullspace);
+
+                var entityManager = IoCManager.Resolve<IEntityManager>();
+
+                human = entityManager.SpawnEntity("HumanMob_Content", MapCoordinates.Nullspace);
+
+                // Sanity check
+                Assert.True(human.TryGetComponent(out damageable));
+                Assert.That(damageable.CurrentState, Is.EqualTo(DamageState.Alive));
+
+                // Kill the entity
+                damageable.ChangeDamage(DamageClass.Brute, 10000000, true);
+
+                // Check that it is dead
+                Assert.That(damageable.CurrentState, Is.EqualTo(DamageState.Dead));
+
+                // Rejuvenate them
+                RejuvenateVerb.PerformRejuvenate(human);
+
+                // Check that it is alive and with no damage
+                Assert.That(damageable.CurrentState, Is.EqualTo(DamageState.Alive));
+                Assert.That(damageable.TotalDamage, Is.Zero);
+            });
+        }
+    }
+}