mirror of
https://github.com/Facepunch/sbox-public.git
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71f266059a
This commit imports the C# engine code and game files, excluding C++ source code. [Source-Commit: ceb3d758046e50faa6258bc3b658a30c97743268]
134 lines
5.1 KiB
C#
134 lines
5.1 KiB
C#
using Sandbox;
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namespace GameObjects;
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[TestClass]
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/// <summary>
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/// Tests for loading prefabs, focusing on edge cases like missing prefab references.
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/// </summary>
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public class PrefabInstanceLoadTests
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{
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[TestMethod]
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/// <summary>
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/// https://github.com/Facepunch/sbox-issues/issues/9367
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/// https://github.com/Facepunch/sbox-issues/issues/9346
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/// </summary>
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public void RepeatedAttemptToLoadMissingPrefab_ShouldNotThrowException()
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{
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var missingPrefabPath = "window0003.prefab";
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var outerPrefabPath = "___outer_with_missing_prefab.prefab";
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var nestedPrefabPath = "___nested_with_missing_prefab.prefab";
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// First create a prefab that references a missing prefab
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using var nestedPrefab = Sandbox.SceneTests.Helpers.RegisterPrefabFromJson( nestedPrefabPath,
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CreatePrefabSourceWithMissingReference( missingPrefabPath ) );
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// Then create an outer prefab that includes both the nested prefab AND another reference
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// to the same missing prefab - this creates the double-reference scenario
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using var outerPrefab = Sandbox.SceneTests.Helpers.RegisterPrefabFromJson( outerPrefabPath,
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CreateOuterPrefabSourceWithMultipleMissingReferences( missingPrefabPath, nestedPrefabPath ) );
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// Create a regular scene
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var scene = new Scene();
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using var sceneScope = scene.Push();
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// Attempt to load the outer prefab, which will trigger attempts to load the missing prefab
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// This should not throw an exception, even though the missing prefab is referenced twice
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var outerPrefabFile = ResourceLibrary.Get<PrefabFile>( outerPrefabPath );
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var outerPrefabScene = SceneUtility.GetPrefabScene( outerPrefabFile );
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var instance = outerPrefabScene.Clone( Vector3.Zero );
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// Verify basic structure - we should have at least one child that loaded successfully
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Assert.IsTrue( instance.Children.Count >= 1 );
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Assert.IsNotNull( instance.Components.Get<ModelRenderer>() );
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// Should pass without exceptions
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}
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private string CreatePrefabSourceWithMissingReference( string missingPrefabPath )
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{
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return $@"
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{{
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""__guid"": ""dcba9876-fedc-4cba-9876-fedcba987654"",
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""Name"": ""NestedPrefab"",
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""Position"": ""0,0,0"",
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""Enabled"": true,
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""Components"": [
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{{
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""__type"": ""ModelRenderer"",
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""__guid"": ""98765432-1098-4765-4321-098765432109"",
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""BodyGroups"": 18446744073709551615,
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""MaterialGroup"": null,
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""MaterialOverride"": null,
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""Model"": null,
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""RenderType"": ""On"",
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""Tint"": ""1,0,1,1""
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}}
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],
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""Children"": [
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{{
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""__guid"": ""aaaaaaaa-bbbb-4ccc-dddd-eeeeeeeeeeee"",
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""__version"": 1,
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""__Prefab"": ""{missingPrefabPath}"",
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""__PrefabInstancePatch"": {{
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""AddedObjects"": [],
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""RemovedObjects"": [],
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""PropertyOverrides"": [],
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""MovedObjects"": []
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}},
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""__PrefabIdToInstanceId"": {{}}
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}}
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]
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}}";
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}
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private string CreateOuterPrefabSourceWithMultipleMissingReferences( string missingPrefabPath, string nestedPrefabPath )
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{
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return $@"
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{{
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""__guid"": ""abcdef12-3456-4789-abcd-ef1234567890"",
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""Name"": ""OuterPrefab"",
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""Position"": ""0,0,0"",
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""Enabled"": true,
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""Components"": [
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{{
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""__type"": ""ModelRenderer"",
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""__guid"": ""12345678-9012-4345-6789-012345678901"",
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""BodyGroups"": 18446744073709551615,
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""MaterialGroup"": null,
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""MaterialOverride"": null,
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""Model"": null,
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""RenderType"": ""On"",
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""Tint"": ""0,1,0,1""
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}}
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],
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""Children"": [
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{{
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""__guid"": ""22222222-3333-4444-5555-666666666666"",
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""__version"": 1,
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""__Prefab"": ""{nestedPrefabPath}"",
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""__PrefabInstancePatch"": {{
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""AddedObjects"": [],
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""RemovedObjects"": [],
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""PropertyOverrides"": [],
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""MovedObjects"": []
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}},
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""__PrefabIdToInstanceId"": {{}}
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}},
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{{
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""__guid"": ""77777777-8888-4999-aaaa-bbbbbbbbbbbb"",
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""__version"": 1,
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""__Prefab"": ""{missingPrefabPath}"",
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""__PrefabInstancePatch"": {{
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""AddedObjects"": [],
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""RemovedObjects"": [],
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""PropertyOverrides"": [],
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""MovedObjects"": []
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}},
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""__PrefabIdToInstanceId"": {{}}
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}}
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]
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}}";
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}
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}
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