public void Export_ExportToTxt()
        {
            // arrange
            ISplitter        splitter = new SplitterRss();
            ItemNumericalSet set      = ExcelParser.ParseItemNumericalSet(@"data\test-4x15.xlsx");
            TreeBuilder      builder  = new TreeBuilder("F1", 5, new Lib.NameGenerator(), splitter);
            TreeGenerative   tree     = builder.Build(set);

            tree.ExportStrategy = new ExportToTxt();
            DirectoryInfo di = new DirectoryInfo("temp");

            if (!di.Exists)
            {
                di.Create();
            }

            // act
            tree.Export(@"temp\test-4x15.txt");

            // assert
        }
        public void Export_ExportToJson()
        {
            // arrange
            string           name     = "test-2x90-sin";
            ISplitter        splitter = new SplitterRss();
            ItemNumericalSet set      = ExcelParser.ParseItemNumericalSet(string.Format(@"data\{0}.xlsx", name));
            TreeBuilder      builder  = new TreeBuilder("Y", 5, new Lib.NameGenerator(), splitter);
            TreeGenerative   tree     = builder.Build(set);

            tree.ExportStrategy = new ExportToJson();
            DirectoryInfo di = new DirectoryInfo("temp");

            if (!di.Exists)
            {
                di.Create();
            }

            // act
            tree.Export(string.Format(@"temp\{0}.json", name));

            // assert
        }