jest-firestore/lib/helpers.js

Run your tests using Jest & Firestore Emulator

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getFirestoreEmulatorOptions = getFirestoreEmulatorOptions;
exports.getFreePort = getFreePort;
exports.shouldUseSharedDBForAllJestWorkers = shouldUseSharedDBForAllJestWorkers;
var _path = require("path");
var _net = require("net");
const configFile = process.env.JEST_FIRESTORE_CONFIG_FILE || 'jest-firestore-config.js';
const defaultEmulatorOptions = {
  auto_download: true,
  project_id: 'demo-e2e-test',
  /**
   * By default `localhost` is used. But NodeJS sometimes resolves it
   * to IPv6 address where firestore emulator not listen for it.
   */
  host: '127.0.0.1'
};
function getFirestoreEmulatorOptions(rootDir) {
  try {
    const {
      firestoreEmulatorOptions: options
    } = require((0, _path.resolve)(rootDir, configFile));
    return {
      ...defaultEmulatorOptions,
      ...options
    };
  } catch (e) {
    return defaultEmulatorOptions;
  }
}
function shouldUseSharedDBForAllJestWorkers(rootDir) {
  try {
    const {
      useSharedDBForAllJestWorkers
    } = require((0, _path.resolve)(rootDir, configFile));
    if (typeof useSharedDBForAllJestWorkers === 'undefined') {
      return true;
    }
    return useSharedDBForAllJestWorkers;
  } catch (e) {
    return true;
  }
}
function getFreePort() {
  return new Promise(res => {
    const srv = (0, _net.createServer)();
    srv.listen(0, () => {
      const port = srv.address().port;
      srv.close(() => res(port));
    });
  });
}