Function withTempHome

test/nodeIdResolution.test.js:23–64

(run)

}

function withTempHome(run) {
  const tmpHome = fs.mkdtempSync(path.join(os.tmpdir(), 'evomap-nodeid-'));
  const originalHome = process.env.HOME;
  const originalUserProfile = process.env.USERPROFILE;
  process.env.HOME = tmpHome;
  process.env.USERPROFILE = tmpHome;

  // Also hide the project-local .evomap_node_id fallback so a pre-existing
  // file from a real run (where evolver was exercised in this checkout)
  // does not short-circuit _loadPersistedNodeId() and bypass the tmpHome
  // persist path under test. We stash it and restore in finally.
  const LOCAL_NODE_ID_FILE = path.resolve(__dirname, '..', '.evomap_node_id');
  const LOCAL_STASH = LOCAL_NODE_ID_FILE + '.test-stash';
  let stashed = false;
  try {
    if (fs.existsSync(LOCAL_NODE_ID_FILE)) {
      fs.renameSync(LOCAL_NODE_ID_FILE, LOCAL_STASH);
      stashed = true;
    }
  } catch { /* best effort */ }

  try {
    return run(tmpHome);
  } finally {
    if (originalHome === undefined) delete process.env.HOME;
    else process.env.HOME = originalHome;
    if (originalUserProfile === undefined) delete process.env.USERPROFILE;
    else process.env.USERPROFILE = originalUserProfile;
    try { fs.rmSync(tmpHome, { recursive: true, force: true }); } catch {}
    if (stashed) {
      try {
        // Clean any spurious node_id written during the test so restore wins.
        if (fs.existsSync(LOCAL_NODE_ID_FILE)) fs.rmSync(LOCAL_NODE_ID_FILE);
        fs.renameSync(LOCAL_STASH, LOCAL_NODE_ID_FILE);
      } catch { /* best effort */ }
    } else {
      // No pre-existing file, but test may have written one via the
      // LOCAL_NODE_ID_FILE fallback. Clean it up so we leave no trace.
      try { if (fs.existsSync(LOCAL_NODE_ID_FILE)) fs.rmSync(LOCAL_NODE_ID_FILE); } catch {}
    }
  }
}

describe('getNodeId resolution', () => {
  let savedEnv;