Blog autpmapper expression

blog_AutomapperExpression_1.cs

public class Source
{
    public string FullName { get; set; }
    public int NumberOfYears { get; set; }
}
public class Destination
{
    [Key]
    public int UserId { get; set; }
    public string Name { get; set; }
    public int Age { get; set; }
}

public class AutomapperQueriableTest
{
    public AutomapperQueriableTest()
    {
        Mapper.CreateMap<Source, Destination>()
            .ForMember(d => d.Name, opt => opt.MapFrom(s => s.FullName))
            .ForMember(d => d.Age, opt => opt.MapFrom(s => s.NumberOfYears));

        Mapper.CreateMap<Destination, Source>()
            .ForMember(d => d.FullName, opt => opt.MapFrom(s => s.Name))
            .ForMember(d => d.NumberOfYears, opt => opt.MapFrom(s => s.Age));
    }

    [Fact]
    public void SimpleMappingTest()
    {
        var fixture = new Fixture();
        var source = fixture.Create<Source>();

        var destination = Mapper.Map<Destination>(source);

        Assert.Equal(source.FullName, destination.Name);
        Assert.Equal(source.NumberOfYears, destination.Age);

    }
}