{
  "name": "download.add \u2014 not enough space to preallocate",
  "description": "Preallocating at the final size means the failure happens now, on add, rather than at 97 % after an hour.",
  "request": {
    "jsonrpc": "2.0",
    "id": 106,
    "method": "download.add",
    "params": {
      "url": "https://releases.ubuntu.com/26.04/ubuntu-26.04-desktop-amd64.iso",
      "saveDir": "/home/sami/Downloads/Programs",
      "startMode": "now"
    }
  },
  "response": {
    "jsonrpc": "2.0",
    "id": 106,
    "error": {
      "code": -32012,
      "message": "not enough free space to preallocate 5.8 GB"
    }
  },
  "assertions": [
    "the check is against the actual filesystem holding saveDir, not the home directory",
    "the partially created .veloxpart is removed before this error is returned",
    "not replayable against a mock: exercised in tests/integration on a small tmpfs"
  ],
  "requires": "a filesystem with no free space"
}