Fix forcemap not bypassing requirements (#29426)

* Fix forcemap not bypassing requirements

* Add integration test for forcemap

Content.IntegrationTests/Tests/Commands/ForceMapTest.cs

@@ -0,0 +1,80 @@
+using Content.Shared.CCVar;
+using Robust.Shared.Configuration;
+using Robust.Shared.Console;
+
+namespace Content.IntegrationTests.Tests.Commands;
+
+[TestFixture]
+public sealed class ForceMapTest
+{
+    private const string DefaultMapName = "Empty";
+    private const string BadMapName = "asdf_asd-fa__sdfAsd_f"; // Hopefully no one ever names a map this...
+    private const string TestMapEligibleName = "ForceMapTestEligible";
+    private const string TestMapIneligibleName = "ForceMapTestIneligible";
+
+    [TestPrototypes]
+    private static readonly string TestMaps = @$"
+- type: gameMap
+  id: {TestMapIneligibleName}
+  mapName: {TestMapIneligibleName}
+  mapPath: /Maps/Test/empty.yml
+  minPlayers: 20
+  maxPlayers: 80
+  stations:
+    Empty:
+      stationProto: StandardNanotrasenStation
+      components:
+        - type: StationNameSetup
+          mapNameTemplate: ""Empty""
+
+- type: gameMap
+  id: {TestMapEligibleName}
+  mapName: {TestMapEligibleName}
+  mapPath: /Maps/Test/empty.yml
+  minPlayers: 0
+  stations:
+    Empty:
+      stationProto: StandardNanotrasenStation
+      components:
+        - type: StationNameSetup
+          mapNameTemplate: ""Empty""
+";
+
+    [Test]
+    public async Task TestForceMapCommand()
+    {
+        await using var pair = await PoolManager.GetServerClient();
+        var server = pair.Server;
+
+        var entMan = server.EntMan;
+        var configManager = server.ResolveDependency<IConfigurationManager>();
+        var consoleHost = server.ResolveDependency<IConsoleHost>();
+
+        await server.WaitAssertion(() =>
+        {
+            // Make sure we're set to the default map
+            Assert.That(configManager.GetCVar(CCVars.GameMap), Is.EqualTo(DefaultMapName),
+                $"Test didn't start on expected map ({DefaultMapName})!");
+
+            // Try changing to a map that doesn't exist
+            consoleHost.ExecuteCommand($"forcemap {BadMapName}");
+            Assert.That(configManager.GetCVar(CCVars.GameMap), Is.EqualTo(DefaultMapName),
+                $"Forcemap succeeded with a map that does not exist ({BadMapName})!");
+
+            // Try changing to a valid map
+            consoleHost.ExecuteCommand($"forcemap {TestMapEligibleName}");
+            Assert.That(configManager.GetCVar(CCVars.GameMap), Is.EqualTo(TestMapEligibleName),
+                $"Forcemap failed with a valid map ({TestMapEligibleName})");
+
+            // Try changing to a map that exists but is ineligible
+            consoleHost.ExecuteCommand($"forcemap {TestMapIneligibleName}");
+            Assert.That(configManager.GetCVar(CCVars.GameMap), Is.EqualTo(TestMapIneligibleName),
+                $"Forcemap failed with valid but ineligible map ({TestMapIneligibleName})!");
+        });
+
+        // Cleanup
+        configManager.SetCVar(CCVars.GameMap, DefaultMapName);
+
+        await pair.CleanReturnAsync();
+    }
+}