public void Get_Frase_Dia() { // Arrange var frase = new Frase { Id = 1, Texto = "El testing es un belleza", Autor = "Juan David Pareja Soto", Categoria = new Categoria { Id = 1, Nombre = "Frases Motivacionales" }, Fecha = new DateTime(2019, 10, 25) }; var context = new Mock <QuoteDbContext>(); var dbSetMock = ServiceTestsHelper.GetMockDbSet <Frase>(frase); context.Setup(x => x.Set <Frase>()).Returns(dbSetMock.Object); var repository = new Repository <Frase>(context.Object); // Act var service = new QuoteService(repository); var fraseDia = service.GetByDate(new DateTime(2019, 10, 25)); //Assert Assert.Equal(frase, fraseDia); }