0hmX/am3352

tests/ddr-host-signal-projection.test.ts

import {expect,test} from 'bun:test'
import {projectHostObstacles,boundHostPlanningRegion} from '../scripts/prepare-ddr-host-signal-projection'
const obstacle={type:'rect',center:{x:0,y:0},width:1,height:.1,layers:['inner2'],connectedTo:['source'],obstacleId:'fixed_trace_t_0_segment'}
test('signal projection keeps footprints and forces physical barrels onto all virtual layers',()=>{
 const {projected,omitted}=projectHostObstacles([obstacle,{...obstacle,obstacleId:'fixed_via_v',circuitJsonMetadata:{pcb_via_id:'v'},layers:['top','inner1','inner2','inner3','inner4','inner5','inner6','inner7','inner8','bottom'],width:.4572,height:.4572}])
 expect(projected[0].layers).toEqual(['inner1'])
 expect(projected[1].layers).toEqual(['top','inner1','inner2','bottom'])
 expect(projected[1].width).toBe(.4572)
 expect(projected.every(o=>o.netIsAssignable===false)).toBe(true)
 expect(omitted).toEqual([])
})
test('off-signal-only copper is explicitly inventoried for mandatory physical checks',()=>{
 const r=projectHostObstacles([{...obstacle,layers:['inner1']},{...obstacle,layers:['bottom']}])
 expect(r.projected).toEqual([])
 expect(r.omitted).toHaveLength(2)
 expect(r.omitted.map(o=>o.layers)).toEqual([['inner1'],['bottom']])
})
test('rotated trace rectangle partitions conservatively enclose every copper point',()=>{
 const angle=45*Math.PI/180,{projected}=projectHostObstacles([{...obstacle,ccwRotationDegrees:45}])
 expect(projected).toHaveLength(10)
 for(let i=0;i<=100;i++)for(const side of [-1,0,1]){
  const u=i/100-.5,v=side*.05,x=u*Math.cos(angle)-v*Math.sin(angle),y=u*Math.sin(angle)+v*Math.cos(angle)
  expect(projected.some(o=>Math.abs(o.center.x-x)<=o.width/2+1e-9&&Math.abs(o.center.y-y)<=o.height/2+1e-9)).toBe(true)
 }
 expect(projected.every(o=>o.ccwRotationDegrees===0)).toBe(true)
})
test('unknown obstacle geometry fails closed',()=>{
 expect(()=>projectHostObstacles([{...obstacle,width:NaN}])).toThrow()
 expect(()=>projectHostObstacles([{...obstacle,type:'polygon'}])).toThrow()
})

test('bounded planning retains closed via-plus-clearance envelope and rejects lost terminals',()=>{
 const input={bounds:{minX:-10,maxX:10,minY:-10,maxY:10},connections:[{name:'D0',pointsToConnect:[{x:3,y:0}]}],obstacles:[
 {...obstacle,center:{x:3.6,y:0},width:.2},
 {...obstacle,center:{x:3.631,y:0},width:.2},
 {...obstacle,center:{x:0,y:10.3},height:.1},
 {...obstacle,center:{x:0,y:10.5},height:.1}]}
 const r=boundHostPlanningRegion(input,3.2)
 expect(r.input.bounds.maxX).toBe(3.2)
 expect(r.input.obstacles).toHaveLength(2)
 expect(r.input.obstacles[0]).toEqual(input.obstacles[0])
 expect(r.report.expandedDomainMarginMm).toBeCloseTo(.3302)
 expect(r.report.culledObstacleCount).toBe(2)
 expect(input.obstacles).toHaveLength(4)
 expect(()=>boundHostPlanningRegion(input,2.9)).toThrow('Terminal outside')
 expect(()=>boundHostPlanningRegion(input,NaN)).toThrow()
})