| using Repoverse.Core.Bridge; |
| using Repoverse.Core.Generation; |
| using Repoverse.Core.Persistence; |
| using Repoverse.Core.Voxels; |
|
|
| namespace Repoverse.Core.Tests; |
|
|
| public class BridgeTests |
| { |
| private static WorldSession Session(int radius = 0) => new(ManifestBuilder.Build(TestRepos.Slice(),new Seed(42)),radius); |
| private static List<MeshPacket> Settle(WorldSession s,double x,double z) |
| { |
| var meshes=new List<MeshPacket>(); |
| for(int i=0;i<100;i++) { |
| var p=s.Focus(x,z); meshes.AddRange(p.Chunks); |
| if(p.Remaining==0)return meshes; |
| } |
| throw new Exception("Stream did not settle"); |
| } |
| [Fact] public void Streaming_is_bounded_and_unloads_old_meshes() |
| { |
| var s=Session(); var first=Settle(s,0,0); |
| Assert.NotEmpty(first); |
| Assert.Equal(WorldGenerator.MaxChunkY+1,s.Resident); |
| var moved=s.Focus(1000,1000); |
| Assert.Equal(first.Select(m=>m.Id).Distinct().Order(),moved.Unloaded.Order()); |
| for(int i=0;i<20;i++) { |
| Settle(s,i*500,i*500); |
| Assert.InRange(s.Resident,1,WorldGenerator.MaxChunkY+1); |
| } |
| } |
| [Fact] public void Edits_remesh_and_survive_unload_and_save_restore() |
| { |
| var s=Session();Settle(s,0,0); |
| s.Edit(2,15,2,new Voxel(BlockType.Wall).Packed); |
| Assert.NotEmpty(s.Focus(0,0).Chunks); |
| s.SetPlayer(new PlayerState {X=2,Y=16,Z=2,Selection="repoverse://snapkitty/site"}); |
| var saved=s.Capture(); |
| Settle(s,2000,2000);Settle(s,0,0); |
| Assert.Equal(BlockType.Wall,s.Sample(2,15,2)!.Value.Type); |
| var restored=Session();restored.Restore(saved);Settle(restored,0,0); |
| Assert.Equal(saved.Player,restored.Player); |
| Assert.Equal(BlockType.Wall,restored.Sample(2,15,2)!.Value.Type); |
| Assert.Throws<InvalidDataException>(()=>restored.Restore(saved with {WorldSeed="other"})); |
| } |
| [Fact] public void Mesh_packets_have_outward_core_winding_and_passable_ladders() |
| { |
| var c=new Chunk(new(0,0,0));c[1,1,1]=new Voxel(BlockType.Wall);c[4,1,1]=new Voxel(BlockType.Ladder); |
| var packet=WorldSession.Encode(GreedyMesher.Build(c)); |
| Assert.Contains(packet.Sections,s=>!s.Collision && (s.Key&255)==(int)BlockType.Ladder); |
| var wall=packet.Sections.Single(s=>(s.Key&255)==(int)BlockType.Wall); |
| Assert.Equal(24,wall.Vertices.Length);Assert.Equal(36,wall.Indices.Length); |
| for(int i=0;i<wall.Indices.Length;i+=3) { |
| System.Numerics.Vector3 V(int n) {var v=wall.Vertices[n];return new(v[0],v[1],v[2]);} |
| var a=V(wall.Indices[i]);var b=V(wall.Indices[i+1]);var d=V(wall.Indices[i+2]); |
| Assert.True(System.Numerics.Vector3.Dot(System.Numerics.Vector3.Cross(b-a,d-a),(a+b+d)/3-new System.Numerics.Vector3(1.5f))>0); |
| } |
| } |
| [Fact] public void Adjacent_arrivals_remesh_boundaries() |
| { |
| var s=Session(1); var seen=new Dictionary<string,int>(); |
| for(int i=0;i<100;i++) { |
| var p=s.Focus(0,0,1); |
| foreach(var c in p.Chunks)seen[c.Id]=seen.GetValueOrDefault(c.Id)+1; |
| if(p.Remaining==0)break; |
| } |
| Assert.Contains(seen.Values,n=>n>1); |
| Assert.Equal(9*(WorldGenerator.MaxChunkY+1),s.Resident); |
| } |
| [Fact] public void Invalid_coordinates_are_rejected() |
| { |
| var s=Session();Assert.Throws<ArgumentException>(()=>s.Focus(double.NaN,0)); |
| Assert.Throws<ArgumentException>(()=>s.SetPlayer(new PlayerState{Y=double.PositiveInfinity})); |
| Assert.Throws<ArgumentException>(()=>s.Edit(0,0,0,0)); |
| } |
| [Fact] public void Source_is_paged_and_restricted_to_manifest_artifacts() |
| { |
| var dir=Path.Combine(Path.GetTempPath(),Guid.NewGuid().ToString());Directory.CreateDirectory(dir); |
| try { |
| var manifest=ManifestBuilder.Build([TestRepos.Make("source",files:["README.md","../escape.txt"])],new Seed(1)); |
| File.WriteAllLines(Path.Combine(dir,"README.md"),Enumerable.Range(0,80).Select(i=>$"line {i}")); |
| var source=new LocalSourceReader(manifest,"snapkitty/source",dir); |
| var page=source.Read("snapkitty/source","README.md",32); |
| Assert.Equal("line 32",page.Lines[0]);Assert.Equal(32,page.Lines.Length);Assert.True(page.HasMore); |
| Assert.Throws<ArgumentException>(()=>source.Read("someone/else","README.md",0)); |
| Assert.Throws<ArgumentException>(()=>source.Read("snapkitty/source",".git/config",0)); |
| Assert.Throws<ArgumentException>(()=>source.Read("snapkitty/source","../escape.txt",0)); |
| } finally {Directory.Delete(dir,true);} |
| } |
| } |
|
|
