ECC/tests/scripts/build-pi-core.test.js

'use strict';

const assert = require('node:assert/strict');
const fs = require('node:fs');
const os = require('node:os');
const path = require('node:path');
const { spawnSync } = require('node:child_process');
const { test } = require('node:test');

test('Pi generation stays byte-identical after local Python execution creates caches', t => {
  const root = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-pi-cache-'));
  t.after(() => fs.rmSync(root, { recursive: true, force: true }));
  const write = (relative, content) => {
    const destination = path.join(root, relative);
    fs.mkdirSync(path.dirname(destination), { recursive: true });
    fs.writeFileSync(destination, content);
  };
  write('scripts/build-pi-core.js', fs.readFileSync(path.join(__dirname, '../../scripts/build-pi-core.js')));
  write('VERSION', '2.2.3\n');
  write('LICENSE', 'Fixture license\n');
  fs.mkdirSync(path.join(root, 'commands'));
  write('skills/demo/SKILL.md', '---\nname: demo\ndescription: Review local code.\n---\n\n# Demo\n');
  write('skills/demo/scripts/main.py', 'print("fixture")\n');
  write('manifests/pi-core.json', JSON.stringify({
    profile: { dir: 'pi/core', packageName: 'ecc-pi-core', license: 'MIT', keywords: ['pi-package'] },
    curationRules: { include: ['local'], exclude: [] },
    skills: { include: ['demo'], exclude: {} },
    commands: { include: [], exclude: {} },
    safety: {},
  }));
  const run = (...args) => spawnSync(process.execPath, [path.join(root, 'scripts/build-pi-core.js'), ...args], {
    cwd: root, encoding: 'utf8', timeout: 10000,
  });
  const built = run();
  assert.equal(built.status, 0, built.stderr);
  const profile = path.join(root, 'pi/core/skills/demo');
  const original = fs.readFileSync(path.join(profile, 'scripts/main.py'));
  write('skills/demo/scripts/__pycache__/main.cpython-312.pyc', Buffer.from([0, 255, 1]));
  write('skills/demo/.pytest_cache/README.md', 'Derived test state\n');
  write('skills/demo/scripts/main.pyo', Buffer.from([0, 1]));
  write('skills/demo/scripts/main.pyd', Buffer.from([0, 2]));
  const check = run('--check');
  assert.equal(check.status, 0, check.stderr);
  assert.deepEqual(fs.readFileSync(path.join(profile, 'scripts/main.py')), original);
  assert.deepEqual(fs.readdirSync(path.join(profile, 'scripts')), ['main.py']);
});

test('Pi generation keeps TDD detector portable without changing canonical plugin content', t => {
  const root = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc pi tdd '));
  t.after(() => fs.rmSync(root, { recursive: true, force: true }));
  const write = (relative, content) => {
    const destination = path.join(root, relative);
    fs.mkdirSync(path.dirname(destination), { recursive: true });
    fs.writeFileSync(destination, content);
  };
  write('scripts/build-pi-core.js', fs.readFileSync(path.join(__dirname, '../../scripts/build-pi-core.js')));
  write('VERSION', '2.2.3\n');
  write('LICENSE', 'Fixture license\n');
  fs.mkdirSync(path.join(root, 'commands'));
  write('manifests/pi-core.json', JSON.stringify({
    profile: { dir: 'pi/core', packageName: 'ecc-pi-core', license: 'MIT', keywords: ['pi-package'] },
    curationRules: { include: ['local'], exclude: [] },
    skills: { include: ['tdd-workflow', 'demo'], exclude: {} },
    commands: { include: [], exclude: {} },
    safety: {},
  }));
  const quoted = 'node "${CLAUDE_PLUGIN_ROOT}/scripts/setup-package-manager.js" --detect';
  const relative = 'node scripts/setup-package-manager.js --detect';
  const unrelated = 'node "${CLAUDE_PLUGIN_ROOT}/scripts/other.js" --detect';
  const demo = `---\nname: demo\ndescription: Review local code.\n---\n${quoted}\n`;
  write('skills/demo/SKILL.md', demo);
  const run = (...args) => spawnSync(process.execPath, [path.join(root, 'scripts/build-pi-core.js'), ...args], {
    cwd: root, encoding: 'utf8', timeout: 10000,
  });
  const conditional = [
    'if [ -n "${CLAUDE_PLUGIN_ROOT}" ]; then',
    `  ${quoted}`, 'else', `  ${relative}`, 'fi',
  ].join('\n');
  const captured = fs.readFileSync(path.join(__dirname, '../../skills/tdd-workflow/SKILL.md'), 'utf8')
    .split('### Step 0: Detect the Test Runner')[1].match(/```bash\n([\s\S]*?)```/)[1]
    .replace(/^ {3}/gm, '').trim();
  for (const command of [quoted, relative, conditional, captured]) {
    const canonical = `---\nname: tdd-workflow\ndescription: Test local code.\n---\n${command}\n${unrelated}\n`;
    write('skills/tdd-workflow/SKILL.md', canonical);
    const built = run();
    assert.equal(built.status, 0, built.stderr);
    const installed = fs.readFileSync(path.join(root, 'pi/core/skills/tdd-workflow/SKILL.md'), 'utf8');
    assert.equal(installed, canonical.replace(captured, relative).replace(conditional, relative).replace(quoted, relative));
    assert.equal(fs.readFileSync(path.join(root, 'skills/tdd-workflow/SKILL.md'), 'utf8'), canonical);
    assert.equal(fs.readFileSync(path.join(root, 'pi/core/skills/demo/SKILL.md'), 'utf8'), demo);
    const check = run('--check');
    assert.equal(check.status, 0, check.stderr);
  }
});