106 lines
3.0 KiB
C#
106 lines
3.0 KiB
C#
using OpenNest;
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using OpenNest.Engine;
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using OpenNest.Geometry;
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namespace OpenNest.Tests;
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public class PatternTilerTests
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{
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private static Drawing MakeSquareDrawing(double size)
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{
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var pgm = new CNC.Program();
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pgm.Codes.Add(new CNC.LinearMove(size, 0));
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pgm.Codes.Add(new CNC.LinearMove(size, size));
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pgm.Codes.Add(new CNC.LinearMove(0, size));
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pgm.Codes.Add(new CNC.LinearMove(0, 0));
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return new Drawing("square", pgm);
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}
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[Fact]
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public void Tile_SinglePart_FillsGrid()
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{
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var drawing = MakeSquareDrawing(10);
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var cell = new List<Part> { Part.CreateAtOrigin(drawing) };
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var plateSize = new Size(30, 20);
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var partSpacing = 0.0;
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var result = PatternTiler.Tile(cell, plateSize, partSpacing);
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Assert.Equal(6, result.Count);
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foreach (var part in result)
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{
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Assert.True(part.BoundingBox.Right <= plateSize.Width + 0.001);
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Assert.True(part.BoundingBox.Top <= plateSize.Length + 0.001);
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Assert.True(part.BoundingBox.Left >= -0.001);
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Assert.True(part.BoundingBox.Bottom >= -0.001);
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}
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}
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[Fact]
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public void Tile_TwoParts_TilesUnitCell()
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{
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var drawing = MakeSquareDrawing(10);
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var partA = Part.CreateAtOrigin(drawing);
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var partB = Part.CreateAtOrigin(drawing);
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partB.Offset(10, 0);
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var cell = new List<Part> { partA, partB };
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var plateSize = new Size(40, 20);
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var partSpacing = 0.0;
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var result = PatternTiler.Tile(cell, plateSize, partSpacing);
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Assert.Equal(8, result.Count);
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}
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[Fact]
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public void Tile_WithSpacing_ReducesCount()
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{
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var drawing = MakeSquareDrawing(10);
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var cell = new List<Part> { Part.CreateAtOrigin(drawing) };
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var plateSize = new Size(30, 20);
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var partSpacing = 2.0;
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var result = PatternTiler.Tile(cell, plateSize, partSpacing);
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Assert.Equal(2, result.Count);
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}
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[Fact]
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public void Tile_EmptyCell_ReturnsEmpty()
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{
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var result = PatternTiler.Tile(new List<Part>(), new Size(100, 100), 0);
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Assert.Empty(result);
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}
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[Fact]
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public void Tile_NonSquarePlate_CorrectAxes()
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{
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var drawing = MakeSquareDrawing(10);
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var cell = new List<Part> { Part.CreateAtOrigin(drawing) };
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var plateSize = new Size(50, 10);
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var result = PatternTiler.Tile(cell, plateSize, 0);
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Assert.Equal(5, result.Count);
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var maxRight = result.Max(p => p.BoundingBox.Right);
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var maxTop = result.Max(p => p.BoundingBox.Top);
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Assert.True(maxRight <= 50.001);
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Assert.True(maxTop <= 10.001);
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}
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[Fact]
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public void Tile_CellLargerThanPlate_ReturnsSingleCell()
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{
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var drawing = MakeSquareDrawing(50);
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var cell = new List<Part> { Part.CreateAtOrigin(drawing) };
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var plateSize = new Size(30, 30);
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var result = PatternTiler.Tile(cell, plateSize, 0);
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Assert.Empty(result);
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}
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}
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