import 'package:mongo_dart/mongo_dart.dart';

const dbName = 'mongo-dart-example';

const dbAddress = '127.0.0.1';

const defaultUri = 'mongodb://$dbAddress:27017/$dbName';

void main() async {

var db = Db(defaultUri);

await db.open();

Future cleanupDatabase() async {

await db.close();

}

if (!db.masterConnection.serverCapabilities.supportsOpMsg) {

return;

}

var collectionName = 'insert-one';

await db.dropCollection(collectionName);

var collection = db.collection(collectionName);

var ret = await collection.insertOne(<String, dynamic>{

'_id': 1,

'name': 'Tom',

'state': 'active',

'rating': 100,

'score': 5

});

if (!ret.isSuccess) {

print('Error detected in record insertion');

}

var res = await collection.findOne();

print('Fetched ${res?['name']}');

// Tom

await cleanupDatabase();

}