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// Copyright 2009-2022 Josh Close
// This file is a part of CsvHelper and is dual licensed under MS-PL and Apache 2.0.
// See LICENSE.txt for details or visit http://www.opensource.org/licenses/ms-pl.html for MS-PL and http://opensource.org/licenses/Apache-2.0 for Apache 2.0.
// https://github.com/JoshClose/CsvHelper
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using CsvHelper.Configuration;
using Xunit;
namespace CsvHelper.Tests.Mappings
{
public class SubPropertyMappingTests
{
[Fact]
public void ReadTest()
{
using (var stream = new MemoryStream())
using (var reader = new StreamReader(stream))
using (var writer = new StreamWriter(stream))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
writer.WriteLine("P3,P1,P2");
writer.WriteLine("p3,p1,p2");
writer.Flush();
stream.Position = 0;
csv.Context.RegisterClassMap<AMap>();
var records = csv.GetRecords<A>().ToList();
Assert.Equal("p1", records[0].P1);
Assert.Equal("p2", records[0].B.P2);
Assert.Equal("p3", records[0].B.C.P3);
}
}
[Fact]
public void WriteTest()
{
using (var stream = new MemoryStream())
using (var reader = new StreamReader(stream))
using (var writer = new StreamWriter(stream))
using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture))
{
var list = new List<A>()
{
new A
{
P1 = "p1",
B = new B
{
P2 = "p2",
C = new C
{
P3 = "p3"
}
}
}
};
csv.Context.RegisterClassMap<AMap>();
csv.WriteRecords(list);
writer.Flush();
stream.Position = 0;
var expected = "P3,P1,P2\r\n";
expected += "p3,p1,p2\r\n";
var result = reader.ReadToEnd();
Assert.Equal(expected, result);
}
}
[Fact]
public void ChangeMemberMapTest()
{
var config = new CsvHelper.Configuration.CsvConfiguration(CultureInfo.InvariantCulture);
var context = new CsvContext(config);
var map = context.AutoMap<A>();
map.Map(m => m.B.C.P3).Index(3);
}
[Fact]
public void AutoMapInClassMapTest()
{
var map = new AAutoMap();
}
private class A
{
public string P1 { get; set; }
public B B { get; set; }
}
private class B
{
public string P2 { get; set; }
public C C { get; set; }
}
private class C
{
public string P3 { get; set; }
}
private sealed class AMap : ClassMap<A>
{
public AMap()
{
Map(m => m.B.C.P3).Index(0);
Map(m => m.P1).Index(1);
Map(m => m.B.P2).Index(2);
}
}
private sealed class AAutoMap : ClassMap<A>
{
public AAutoMap()
{
AutoMap(CultureInfo.InvariantCulture);
Map(m => m.B.C.P3).Index(3);
}
}
}
}
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