public void MockDataList()
{
//var customerList = CustomerList().AsQueryable();
var customerDbSetMock = new Mock <DbSet <Customer> >();
customerDbSetMock.As <IQueryable <Customer> >()
.Setup(m => m.Provider);
//.Returns(customerList.Provider);
customerDbSetMock.As <IQueryable <Customer> >()
.Setup(m => m.Expression);
//.Returns(customerList.Expression);
customerDbSetMock.As <IQueryable <Customer> >()
.Setup(m => m.ElementType);
//.Returns(customerList.ElementType);
customerDbSetMock.As <IQueryable <Customer> >()
.Setup(m => m.GetEnumerator());
//.Returns(customerList.GetEnumerator());
var webContextMock =
new Mock <WebContextDb>();
webContextMock.Setup(m => m.Set <Customer>()).
Returns(customerDbSetMock.Object);
webContextMock.Setup(m => m.Set <Customer>()).
Returns(customerDbSetMock.Object);
var repository =
new BaseRepositorio <Customer>(webContextMock.Object);
var customerGetByID = repository
.GetById(p => p.FirstName == "Name1");
customerGetByID.Should().NotBeNull();
}