copperhead

import { describe, it, expect } from 'vitest';
import path from 'node:path';
import { listSymbols, listNets, pinNets, parseSexp } from '../src/kicad/sexp.js';
import { FIXTURE } from './helpers.js';

const SCH = path.join(FIXTURE, 'hardware', 'open-key.kicad_sch');

describe('sexp parser', () => {
  it('parses quoted strings with escapes', () => {
    const [node] = parseSexp('(a "b \\"c\\"" d)');
    expect(node).toEqual(['a', 'b "c"', 'd']);
  });

  it('lists real symbols with refdes, value, footprint (AC-1.2 source)', async () => {
    const syms = await listSymbols(SCH);
    expect(syms.map((s) => s.ref)).toEqual(['R1', 'R2', 'U1']);
    const r1 = syms.find((s) => s.ref === 'R1')!;
    expect(r1.value).toBe('10k');
    expect(r1.footprint).toBe('Resistor_SMD:R_0603_1608Metric');
    const u1 = syms.find((s) => s.ref === 'U1')!;
    expect(u1.value).toBe('ESP32-S3-MINI');
  });

  it('lists nets from labels', async () => {
    const nets = await listNets(SCH);
    expect(nets).toEqual(['3V3', 'EN', 'GND', 'KEY_DAH']);
  });

  it('maps pins to nets geometrically (AC-1.3 source)', async () => {
    const pins = await pinNets(SCH);
    const u1 = new Map(pins.filter((p) => p.ref === 'U1').map((p) => [p.pinName, p.net]));
    expect(u1.get('GPIO14')).toBe('KEY_DAH');
    expect(u1.get('3V3')).toBe('3V3');
    expect(u1.get('GND')).toBe('GND');
    expect(u1.get('EN')).toBe('EN');
    expect(u1.get('GPIO0')).toBeNull();
    const r2 = new Map(pins.filter((p) => p.ref === 'R2').map((p) => [p.pinNumber, p.net]));
    expect(r2.get('1')).toBe('KEY_DAH');
    expect(r2.get('2')).toBe('GND');
  });
});