public void SelecionarPorSpecificationOrdenarPrecoDSC()
        {
            var book = new MockDiscovery <Book>(1).Obter();

            _service.SelecionarPorSpecifications(book);
            _bookData.Verify(s => s.Select(book), Times.Once);
        }
        public void SelecionarBookTest()
        {
            var livros = new MockDiscovery <List <Book> >(10).Obter();

            _bookData.Setup(s => s.Select()).Returns(livros);
            _service.Selecionar();
            _bookData.Verify(s => s.Select(), Times.Once);
        }