public void get_current_version()
        {
            using (var store = new FileAppendOnlyStore(new DirectoryInfo(_storePath)))
            {
                store.Initialize();
                var currentVersion = store.GetCurrentVersion();
                store.Append("versiontest", Encoding.UTF8.GetBytes("test message1"));
                store.Append("versiontest", Encoding.UTF8.GetBytes("test message2"));
                store.Append("versiontest", Encoding.UTF8.GetBytes("test message3"));

                Assert.AreEqual(currentVersion + 3, store.GetCurrentVersion());
            }
        }
        public void append_data()
        {
            using (var store = new FileAppendOnlyStore(new DirectoryInfo(_storePath)))
            {
                store.Initialize();
                var currentVersion = store.GetCurrentVersion();
                const int messagesCount = 3;
                for (int i = 0; i < messagesCount; i++)
                {
                    store.Append("stream1", Encoding.UTF8.GetBytes("test message" + i));
                }

                var data = store.ReadRecords("stream1", currentVersion, Int32.MaxValue).ToArray();

                for (int i = 0; i < messagesCount; i++)
                {
                    Assert.AreEqual("test message" + i, Encoding.UTF8.GetString(data[i].Data));
                }

                Assert.AreEqual(messagesCount, data.Length);
            }
        }
        public void read_store_records_after_version()
        {
            var stream = Guid.NewGuid().ToString();
            using (var store = new FileAppendOnlyStore(new DirectoryInfo(_storePath)))
            {
                store.Initialize();
                var currentVersion = store.GetCurrentVersion();
                for (int i = 0; i < 2; i++)
                    store.Append(stream, Encoding.UTF8.GetBytes("test message" + i));

                var records = store.ReadRecords(currentVersion+1, Int32.MaxValue).ToArray();

                Assert.AreEqual(1, records.Length);
                Assert.AreEqual("test message1" , Encoding.UTF8.GetString(records[0].Data));
                Assert.AreEqual(2, records[0].StreamVersion);
                Assert.AreEqual(currentVersion+2, records[0].StoreVersion);
            }
        }