feat(proj): init

2026-09-21 03:53:15 +03:00
commit 3e34f391b3
258 changed files with 20968 additions and 0 deletions
@@ -0,0 +1,66 @@
+using Microsoft.Extensions.Logging.Abstractions;
+using TileServer.Domain.Tiles;
+using TileServer.Infrastructure.Tiles;
+using TileServer.Infrastructure.Tiles.Mvt;
+
+namespace TileServer.UnitTests;
+
+public sealed class VectorTileOverzoomerTests
+{
+    [Fact]
+    public void Overzoom_MapsParentPointIntoNwChild()
+    {
+        var parent = EncodePoint(100, 100, "poi");
+        var overzoomer = new VectorTileOverzoomer(NullLogger<VectorTileOverzoomer>.Instance);
+        var child = overzoomer.Overzoom(parent, new TileCoordinate(0, 0, 0), new TileCoordinate(1, 0, 0));
+
+        var decoded = MvtCodec.Decode(child);
+        var layer = Assert.Single(decoded.Layers);
+        Assert.Equal("poi", layer.Name);
+        var feature = Assert.Single(layer.Features);
+        var path = Assert.Single(MvtCodec.DecodeGeometry(feature.Geometry));
+        var point = Assert.Single(path);
+        Assert.Equal(200, point.X);
+        Assert.Equal(200, point.Y);
+    }
+
+    [Fact]
+    public void Overzoom_DropsPointOutsideChild()
+    {
+        var parent = EncodePoint(100, 100, "poi");
+        var overzoomer = new VectorTileOverzoomer(NullLogger<VectorTileOverzoomer>.Instance);
+        var child = overzoomer.Overzoom(parent, new TileCoordinate(0, 0, 0), new TileCoordinate(1, 1, 1));
+
+        var decoded = MvtCodec.Decode(child);
+        Assert.Empty(decoded.Layers);
+    }
+
+    private static TileData EncodePoint(int x, int y, string layerName)
+    {
+        var tile = new MvtTile
+        {
+            Layers =
+            [
+                new MvtLayer
+                {
+                    Name = layerName,
+                    Extent = 4096,
+                    Version = 2,
+                    Keys = ["class"],
+                    Values = [new MvtValue { StringValue = "test" }],
+                    Features =
+                    [
+                        new MvtFeature
+                        {
+                            Id = 1,
+                            Type = MvtCodec.Point,
+                            Tags = [0, 0],
+                            Geometry = MvtCodec.EncodeGeometry([[(x, y)]], close: false)
+                        }
+                    ]
+                }
+            ]
+        };
+        return MvtCodec.EncodeGzip(tile);
+    }
+}