100 lines
3.2 KiB
C#
100 lines
3.2 KiB
C#
using OpenNest.Geometry;
|
|
|
|
namespace OpenNest.Tests;
|
|
|
|
public class ShrinkFillerTests
|
|
{
|
|
private static Drawing MakeSquareDrawing(double size)
|
|
{
|
|
var pgm = new OpenNest.CNC.Program();
|
|
pgm.Codes.Add(new OpenNest.CNC.RapidMove(new Vector(0, 0)));
|
|
pgm.Codes.Add(new OpenNest.CNC.LinearMove(new Vector(size, 0)));
|
|
pgm.Codes.Add(new OpenNest.CNC.LinearMove(new Vector(size, size)));
|
|
pgm.Codes.Add(new OpenNest.CNC.LinearMove(new Vector(0, size)));
|
|
pgm.Codes.Add(new OpenNest.CNC.LinearMove(new Vector(0, 0)));
|
|
return new Drawing("square", pgm);
|
|
}
|
|
|
|
[Fact]
|
|
public void Shrink_ReducesDimension_UntilCountDrops()
|
|
{
|
|
var drawing = MakeSquareDrawing(10);
|
|
var item = new NestItem { Drawing = drawing };
|
|
var box = new Box(0, 0, 100, 50);
|
|
|
|
Func<NestItem, Box, List<Part>> fillFunc = (ni, b) =>
|
|
{
|
|
var plate = new Plate(b.Width, b.Length);
|
|
var engine = new DefaultNestEngine(plate);
|
|
return engine.Fill(ni, b, null, System.Threading.CancellationToken.None);
|
|
};
|
|
|
|
var result = ShrinkFiller.Shrink(fillFunc, item, box, 1.0, ShrinkAxis.Height);
|
|
|
|
Assert.NotNull(result);
|
|
Assert.True(result.Parts.Count > 0);
|
|
Assert.True(result.Dimension <= 50, "Dimension should be <= original");
|
|
Assert.True(result.Dimension > 0);
|
|
}
|
|
|
|
[Fact]
|
|
public void Shrink_Width_ReducesHorizontally()
|
|
{
|
|
var drawing = MakeSquareDrawing(10);
|
|
var item = new NestItem { Drawing = drawing };
|
|
var box = new Box(0, 0, 100, 50);
|
|
|
|
Func<NestItem, Box, List<Part>> fillFunc = (ni, b) =>
|
|
{
|
|
var plate = new Plate(b.Width, b.Length);
|
|
var engine = new DefaultNestEngine(plate);
|
|
return engine.Fill(ni, b, null, System.Threading.CancellationToken.None);
|
|
};
|
|
|
|
var result = ShrinkFiller.Shrink(fillFunc, item, box, 1.0, ShrinkAxis.Width);
|
|
|
|
Assert.NotNull(result);
|
|
Assert.True(result.Parts.Count > 0);
|
|
Assert.True(result.Dimension <= 100);
|
|
}
|
|
|
|
[Fact]
|
|
public void Shrink_RespectsMaxIterations()
|
|
{
|
|
var callCount = 0;
|
|
Func<NestItem, Box, List<Part>> fillFunc = (ni, b) =>
|
|
{
|
|
callCount++;
|
|
return new List<Part> { TestHelpers.MakePartAt(0, 0, 5) };
|
|
};
|
|
|
|
var item = new NestItem { Drawing = MakeSquareDrawing(5) };
|
|
var box = new Box(0, 0, 100, 100);
|
|
|
|
ShrinkFiller.Shrink(fillFunc, item, box, 1.0, ShrinkAxis.Height, maxIterations: 3);
|
|
|
|
// 1 initial + up to 3 shrink iterations = max 4 calls
|
|
Assert.True(callCount <= 4);
|
|
}
|
|
|
|
[Fact]
|
|
public void Shrink_RespectsCancellation()
|
|
{
|
|
var cts = new System.Threading.CancellationTokenSource();
|
|
cts.Cancel();
|
|
|
|
var drawing = MakeSquareDrawing(10);
|
|
var item = new NestItem { Drawing = drawing };
|
|
var box = new Box(0, 0, 100, 50);
|
|
|
|
Func<NestItem, Box, List<Part>> fillFunc = (ni, b) =>
|
|
new List<Part> { TestHelpers.MakePartAt(0, 0, 10) };
|
|
|
|
var result = ShrinkFiller.Shrink(fillFunc, item, box, 1.0,
|
|
ShrinkAxis.Height, token: cts.Token);
|
|
|
|
Assert.NotNull(result);
|
|
Assert.True(result.Parts.Count > 0);
|
|
}
|
|
}
|