0hmX/am3352

tests/ddr-facing-context.test.ts

import { test, expect } from 'bun:test'
import { applyFacingExitReplacements } from '../scripts/ddr-facing-context'
const wire=(x:number,y:number,layer='top')=>({route_type:'wire',x,y,layer,width:.12})
function fixture(){
 const before:any={type:'pcb_trace',pcb_trace_id:'t',source_trace_id:'s',connectsTo:['b'],route:[wire(0,0),wire(1,0),{route_type:'via',x:1,y:0,from_layer:'top',to_layer:'inner2',via_diameter:.4572,via_hole_diameter:.254},wire(1,0,'inner2'),wire(2,0,'inner2')]}
 const point:any={type:'pcb_breakout_point',pcb_breakout_point_id:'b',source_trace_id:'s',source_port_id:'p',layer:'inner2',x:2,y:0}
 const after=structuredClone(before);after.route[2].to_layer='inner4';after.route[3].layer='inner4';after.route[4]=wire(2,1,'inner4')
 return{parent:[before,point,{type:'source_net',source_net_id:'untouched'}],changes:{traces:[{before,after}],breakoutPoints:[{before:point,after:{...point,layer:'inner4',x:2,y:1}}]}}
}
test('verified facing replacement retains unrelated copper and the original parent',()=>{
 const{parent,changes}=fixture(),original=structuredClone(parent),result=applyFacingExitReplacements(parent,changes)
 expect(parent).toEqual(original);expect(result[2]).toEqual(parent[2]);expect(result[0]).toEqual(changes.traces[0].after)
})
test('rejects changed ownership, metadata, launch, barrel, and detached endpoint',()=>{
 const edits=[
  (c:any)=>c.traces[0].after.source_trace_id='other',
  (c:any)=>c.traces[0].after.connectsTo=['other'],
  (c:any)=>c.traces[0].after.route[0].x=.1,
  (c:any)=>c.traces[0].after.route[2].via_hole_diameter=.3,
  (c:any)=>c.breakoutPoints[0].after.y=2,
  (c:any)=>c.breakoutPoints[0].before.source_trace_id='other',
 ]
 for(const edit of edits){const{parent,changes}=fixture();edit(changes);expect(()=>applyFacingExitReplacements(parent,changes)).toThrow()}
})
test('rejects stale parent copper and a ninety degree bend in a declared replacement',()=>{
 const a=fixture();a.parent=structuredClone(a.parent);a.parent[0].route[0].width=.2;expect(()=>applyFacingExitReplacements(a.parent,a.changes)).toThrow()
 const b=fixture();b.changes.traces[0].after.route.splice(4,0,wire(2,0,'inner4'));expect(()=>applyFacingExitReplacements(b.parent,b.changes)).toThrow()
})