ForAllMembers.cs

namespace AutoMapper.UnitTests.ForAllMembers;
public class When_conditionally_applying_a_resolver_globally : AutoMapperSpecBase
{
    public class Source
    {
        public DateTime SomeDate { get; set; }
        public DateTime OtherDate { get; set; }
    }

    public class Dest
    {
        public DateTime SomeDate { get; set; }
        public DateTime OtherDate { get; set; }
    }

    protected override MapperConfiguration CreateConfiguration() => new(cfg =>
    {
        cfg.ForAllPropertyMaps(pm => pm.DestinationName.StartsWith("Other"),
            (pm, opt) => opt.MapFrom(typeof(ConditionalValueResolver), pm.SourceMember.Name));

        cfg.CreateMap<Source, Dest>();
    });

    public class ConditionalValueResolver : IMemberValueResolver<object, object, DateTime, DateTime>
    {
        public DateTime Resolve(object s, object d, DateTime source, DateTime destination, ResolutionContext context)
        {
            return source.AddDays(1);
        }
    }

    [Fact]
    public void Should_use_resolver()
    {
        var source = new Source
        {
            SomeDate = new DateTime(2000, 1, 1),
            OtherDate = new DateTime(2000, 1, 1),
        };
        var dest = Mapper.Map<Source, Dest>(source);

        dest.SomeDate.ShouldBe(source.SomeDate);
        dest.OtherDate.ShouldBe(source.OtherDate.AddDays(1));
    }
}
public class When_conditionally_applying_a_resolver_per_profile : AutoMapperSpecBase
{
    public class Source
    {
        public DateTime SomeDate { get; set; }
        public DateTime OtherDate { get; set; }
    }
    public class Dest
    {
        public DateTime SomeDate { get; set; }
        public DateTime OtherDate { get; set; }
    }
    class MyProfile : Profile
    {
        public MyProfile()
        {
            CreateMap<Source, Dest>();
            this.Internal().ForAllPropertyMaps(pm => pm.DestinationName.StartsWith("Other"), (pm, opt) => opt.MapFrom(typeof(ConditionalValueResolver), pm.SourceMember.Name));
        }
    }
    protected override MapperConfiguration CreateConfiguration() => new(cfg => cfg.AddProfile<MyProfile>());
    public class ConditionalValueResolver : IMemberValueResolver<object, object, DateTime, DateTime>
    {
        public DateTime Resolve(object s, object d, DateTime source, DateTime destination, ResolutionContext context) => source.AddDays(1);
    }
    [Fact]
    public void Should_use_resolver()
    {
        var source = new Source { SomeDate = new DateTime(2000, 1, 1), OtherDate = new DateTime(2000, 1, 1) };
        var dest = Mapper.Map<Source, Dest>(source);
        dest.SomeDate.ShouldBe(source.SomeDate);
        dest.OtherDate.ShouldBe(source.OtherDate.AddDays(1));
    }
}
public class ForAllPropertyMaps_ConvertUsing : AutoMapperSpecBase
{
    public class Well
    {
        public SpecialTags SpecialTags { get; set; }
    }
    [Flags]
    public enum SpecialTags { None, SendState, NotSendZeroWhenOpen }
    public class PostPutWellViewModel
    {
        public SpecialTags[] SpecialTags { get; set; } = Array.Empty<SpecialTags>();
    }
    class EnumToArray : IValueConverter<object, object>
    {
        public object Convert(object sourceMember, ResolutionContext context) => new[] { SpecialTags.SendState };
    }
    protected override MapperConfiguration CreateConfiguration() => new(cfg =>
    {
        cfg.CreateMap<Well, PostPutWellViewModel>();
        cfg.Internal().ForAllPropertyMaps(pm => pm.SourceType != null, (tm, mapper) => mapper.ConvertUsing(new EnumToArray()));
    });
    [Fact]
    public void ShouldWork() => Map<PostPutWellViewModel>(new Well()).SpecialTags.Single().ShouldBe(SpecialTags.SendState);
}