Unit testing with mongodb

gistfile1.cs

    class Program
    {
        static void Main(string[] args)
        {
            using(new MongoScope("9999"))
            {
                const string connectionString = "mongodb://localhost:9999/?safe=true";
                var server = MongoServer.Create(connectionString);
                var blog = server.GetDatabase("blog");
                var posts = blog.GetCollection<Post>("posts");
                var firstPost = new Post();
                firstPost.Content = "This is the first post on my very popular blog.";
                firstPost.Id = Guid.NewGuid().ToString();
                posts.Save(firstPost);
                var query = Query.EQ("Content", "This is the first post on my very popular blog.");
                foreach (var matchingPost in posts.Find(query))
                {
                    Console.WriteLine(matchingPost.Content);
                }
            }
            Console.ReadLine();
        }

        public class Post
        {
            public string Id { get; set; }
            public string Content { get; set; }
        }
    }

    public class MongoScope : IDisposable
    {
        private Process _process = null;

        public MongoScope(string port)
        {
            var testDirectory = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "MongoDB");
            if (Directory.Exists(testDirectory))
                Directory.Delete(testDirectory, true);
            Directory.CreateDirectory(testDirectory);
            _process = Process.Start(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "mongod.exe"), "--dbpath \"" + testDirectory + "\" --port \"" + port + "\"");
        }

        public void Dispose()
        {
            _process.Kill();
        }
    }