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'use strict';
const mms = require('mongodb-memory-server');
/* * Default MMS mongodb version is used, unless MONGOMS_VERSION is set (which is set with the matrix in test.yml for CI) */
// a single-instance running for single-instance testslet mongoinstance;
// a replset-instance for running repl-set testslet mongorreplset;
// decide whether to start MMS instances or use the existing URI'sconst startMemoryInstance = !process.env.MONGOOSE_TEST_URI;const startMemoryReplset = !process.env.MONGOOSE_REPLSET_URI;
module.exports.mochaGlobalSetup = async function mochaGlobalSetup() {  let instanceuri;  let replseturi;
  process.env.RUNTIME_DOWNLOAD = '1'; // ensure MMS is able to download binaries in this context
  // set some options when running in a CI  if (process.env.CI) {    // this option is also set in the github-ci tests.yml, but this is just to ensure it is in any CI    process.env.MONGOMS_PREFER_GLOBAL_PATH = '1'; // set MMS to use "~/.cache/mongodb-binaries" even when the path does not yet exist  }
  if (startMemoryInstance) {    mongoinstance = await mms.MongoMemoryServer.create({ instance: { args: ['--setParameter', 'ttlMonitorSleepSecs=1'], storageEngine: 'wiredTiger' } });    instanceuri = mongoinstance.getUri();  } else {    instanceuri = process.env.MONGOOSE_TEST_URI;  }
  if (startMemoryReplset) {    mongorreplset = await mms.MongoMemoryReplSet.create({ replSet: { count: 3, args: ['--setParameter', 'ttlMonitorSleepSecs=1'], storageEngine: 'wiredTiger' } }); // using 3 because even numbers can lead to vote problems    replseturi = mongorreplset.getUri();  } else {    replseturi = process.env.MONGOOSE_REPLSET_URI;  }
  process.env.MONGOOSE_TEST_URI = instanceuri;  process.env.MONGOOSE_REPLSET_URI = replseturi;};
module.exports.mochaGlobalTeardown = async function mochaGlobalTeardown() {  if (mongoinstance) {    await mongoinstance.stop();  }  if (mongorreplset) {    await mongorreplset.stop();  }};