public void Generate_KeyCode_From_Url()
        {
            var cacheMock = new Mock <IDataCache>();
            var RepoMock  = new Mock <IRepository>();

            RepoMock.Setup(x => x.Add(It.IsAny <TopLevelModel>())).Returns(new TopLevelModel()
            {
                Id = 1
            });


            var urlExecutor = new SingleLayer(cacheMock.Object, RepoMock.Object);

            urlExecutor.SetUrl("https://tabish.com/first%2FSecond");
            var result = urlExecutor.GetShortUrl();

            result.ShouldNotBeNullOrEmpty();
            result.ShouldBe("b");
        }