@shelf/jest-dynamodb/lib/setup.js

Run your tests using Jest & DynamoDB local

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = _default;
var _dynamodbLocal = _interopRequireDefault(require("dynamodb-local"));
var _clientDynamodb = require("@aws-sdk/client-dynamodb");
var _getConfig = _interopRequireDefault(require("./utils/get-config"));
var _deleteTables = _interopRequireDefault(require("./utils/delete-tables"));
var _waitForLocalhost = _interopRequireDefault(require("./utils/wait-for-localhost"));
var _getRelevantTables = _interopRequireDefault(require("./utils/get-relevant-tables"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const debug = require('debug')('jest-dynamodb');
const DEFAULT_PORT = 8000;
const DEFAULT_HOST = 'localhost';
const DEFAULT_OPTIONS = ['-sharedDb'];
async function _default() {
  const {
    tables: newTables,
    clientConfig,
    installerConfig,
    port = DEFAULT_PORT,
    hostname = DEFAULT_HOST,
    options = DEFAULT_OPTIONS
  } = await (0, _getConfig.default)(debug);
  const dynamoDB = new _clientDynamodb.DynamoDB({
    endpoint: `http://${hostname}:${port}`,
    tls: false,
    region: 'local-env',
    credentials: {
      accessKeyId: 'fakeMyKeyId',
      secretAccessKey: 'fakeSecretAccessKey'
    },
    ...clientConfig
  });
  global.__DYNAMODB_CLIENT__ = dynamoDB;
  try {
    const promises = [dynamoDB.listTables({})];
    if (!global.__DYNAMODB__) {
      promises.push((0, _waitForLocalhost.default)(port, hostname));
    }
    const [TablesList] = await Promise.all(promises);
    const tableNames = TablesList === null || TablesList === void 0 ? void 0 : TablesList.TableNames;
    if (tableNames) {
      await (0, _deleteTables.default)(dynamoDB, (0, _getRelevantTables.default)(tableNames, newTables));
    }
  } catch (err) {
    // eslint-disable-next-line no-console
    debug(`fallback to launch DB due to ${err}`);
    if (installerConfig) {
      _dynamodbLocal.default.configureInstaller(installerConfig);
    }
    if (!global.__DYNAMODB__) {
      debug('spinning up a local ddb instance');
      global.__DYNAMODB__ = await _dynamodbLocal.default.launch(port, null, options);
      debug(`dynamodb-local started on port ${port}`);
      await (0, _waitForLocalhost.default)(port, hostname);
    }
  }
  debug(`dynamodb-local is ready on port ${port}`);
  await createTables(dynamoDB, newTables);
}
function createTables(dynamoDB, tables) {
  return Promise.all(tables.map(table => dynamoDB.createTable(table)));
}