public void ExportImportTest()
        {
            EFDbConnect EFDbConnectDemoBase = CreateDemoBase("Save_test.db");

            ILogger ILoggerMock = Mock.Of<ILogger>();

            // Export
            DiskOperation ExportIO = new DiskOperation(ILoggerMock,new SQLitePlatformWin32(),EFDbConnectDemoBase);
            string exportpath = PathToDb("export.db");
            ExportIO.ExportLearningItem(exportpath, EFDbConnectDemoBase.Table<LearningItem>().Where(x=>x.Name == "First").First().id , false);

            EFDbConnect dbConnect = new EFDbConnect(new SQLitePlatformWin32(), exportpath,false);
            QuantityTest(dbConnect);
            dbConnect.Close();
            EFDbConnectDemoBase.Close();

            // Import to empty db
            EFDbConnect DestConnect = RecreateDB("dest.db");
            DiskOperation ImportIO = new DiskOperation(ILoggerMock,new SQLitePlatformWin32(),DestConnect);
            ImportIO.ImportLearningItem(exportpath, false);
            QuantityTest(DestConnect);

            // Update
            DestConnect.Delete(DestConnect.Table<Subtitles>().First());
            DestConnect.Delete(DestConnect.Table<AudioTrack>().First());
            DestConnect.Delete(DestConnect.Table<TranslationOfWord>().First());
            Assert.IsTrue(DestConnect.Table<Subtitles>().Count() == 1);
            Assert.IsTrue(DestConnect.Table<AudioTrack>().Count() == 1);
            Assert.IsTrue(DestConnect.Table<TranslationOfWord>().Count() == 1);
            ImportIO.ImportLearningItem(exportpath, false);
            QuantityTest(DestConnect);

            DestConnect.Close();

        }
        public void ExportTest()
        {
            EFDbConnect EFDbConnectDemoBase = CreateDemoBase("Save_test.db");

            ILogger ILoggerMock = Mock.Of<ILogger>();
            DiskOperation diskop = new DiskOperation(ILoggerMock,new SQLitePlatformWin32(),EFDbConnectDemoBase);
            string path = PathToDb("upload.db");
            diskop.ExportLearningItem(path, EFDbConnectDemoBase.Table<LearningItem>().Where(x=>x.Name == "First").First().id , true);

            EFDbConnect dbConnect = new EFDbConnect(new SQLitePlatformWin32(), path,false);

            Assert.IsTrue(dbConnect.Table<LearningItem>().Count() == 1);
            Assert.IsTrue(dbConnect.Table<Subtitles>().Count() == 2);
            Assert.IsTrue(dbConnect.Table<SubtitleItem>().Count() == 4);
            Assert.IsTrue(dbConnect.Table<SubtitleItem.Word>().Count() == 2);
            Assert.IsTrue(dbConnect.Table<WordOfDictionary>().Count() == 2);
            Assert.IsTrue(dbConnect.Table<TranslationOfWord>().Count() == 2);
            Assert.IsTrue(dbConnect.Table<Dictionary>().Count() == 1);
            Assert.IsTrue(dbConnect.Table<AudioTrack>().Count() == 2);
            Assert.IsTrue(dbConnect.Table<FrequencyDictionary>().Count() == 1);
            Assert.IsTrue(dbConnect.Table<FrequencyDictionary.Item>().Count() == 2);
            dbConnect.Close();

        }