Add test for latejoin spawns (#11473)

* Add test for latejoin spawns

* Fix the test

Co-authored-by: wrexbe <wrexbe@protonmail.com>

Content.IntegrationTests/Tests/PostMapInitTest.cs

@@ -4,7 +4,6 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using Content.Client.Shuttles.Systems;
 using Content.Server.GameTicking;
 using Content.Server.Maps;
 using Content.Server.Shuttles.Components;
@@ -30,6 +29,12 @@ namespace Content.IntegrationTests.Tests
         private const bool SkipTestMaps = true;
         private const string TestMapsPath = "/Maps/Test/";
 
+        private static readonly string[] NoSpawnMaps =
+        {
+            "CentComm",
+            "Dart",
+        };
+
         private static string[] Grids =
         {
             "/Maps/centcomm.yml",
@@ -176,7 +181,7 @@ namespace Content.IntegrationTests.Tests
             var protoManager = server.ResolveDependency<IPrototypeManager>();
             var ticker = entManager.EntitySysManager.GetEntitySystem<GameTicker>();
             var shuttleSystem = entManager.EntitySysManager.GetEntitySystem<ShuttleSystem>();
-            var stationJobsSystem = entManager.EntitySysManager.GetEntitySystem<StationJobsSystem>();
+            var xformQuery = entManager.GetEntityQuery<TransformComponent>();
 
             await server.WaitPost(() =>
             {
@@ -195,7 +200,8 @@ namespace Content.IntegrationTests.Tests
                 EntityUid? targetGrid = null;
                 var memberQuery = entManager.GetEntityQuery<StationMemberComponent>();
 
-                var grids = mapManager.GetAllMapGrids(mapId);
+                var grids = mapManager.GetAllMapGrids(mapId).ToList();
+                var gridUids = grids.Select(o => o.GridEntityId).ToList();
 
                 foreach (var grid in grids)
                 {
@@ -221,6 +227,27 @@ namespace Content.IntegrationTests.Tests
 
                 mapManager.DeleteMap(shuttleMap);
 
+                // Test that the map has valid latejoin spawn points
+                if (!NoSpawnMaps.Contains(mapProto))
+                {
+                    var lateSpawns = 0;
+
+                    foreach (var comp in entManager.EntityQuery<SpawnPointComponent>(true))
+                    {
+                        if (comp.SpawnType != SpawnPointType.LateJoin ||
+                            !xformQuery.TryGetComponent(comp.Owner, out var xform) ||
+                            xform.GridUid == null ||
+                            !gridUids.Contains(xform.GridUid.Value))
+                        {
+                            continue;
+                        }
+
+                        lateSpawns++;
+                        break;
+                    }
+
+                    Assert.That(lateSpawns, Is.GreaterThan(0), $"Found no latejoin spawn points on {mapProto}");
+                }
                 // Test all availableJobs have spawnPoints
                 // This is done inside gamemap test because loading the map takes ages and we already have it.
                 var jobList = entManager.GetComponent<StationJobsComponent>(station).RoundStartJobList