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// Copyright 2009-2020 Josh Close and Contributors
// 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;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using CsvHelper.Configuration;
using CsvHelper.Tests.Mocks;
using Xunit;
namespace CsvHelper.Tests
{
public class CsvReaderDynamicMappingsTests
{
[Fact]
public void CanMapDynamics()
{
var parserMock = new ParserMock
{
{ "IntCol", "StringCol" },
{ "1", "one" },
{ "2", "two" },
};
var csvReader = new CsvReader(parserMock);
csvReader.Context.RegisterClassMap<DynamicMappingsTypeClassMap>();
var records = csvReader.GetRecords<DynamicMappingsType>().ToList();
Assert.NotNull(records);
Assert.Equal(2, records.Count);
Assert.Equal(1, records[0].IntCol);
Assert.Equal("one", records[0].StringCol);
Assert.Equal(2, records[1].IntCol);
Assert.Equal("two", records[1].StringCol);
}
private class DynamicMappingsType
{
public int IntCol { get; set; }
public string StringCol { get; set; }
public static IEnumerable<Expression<Func<DynamicMappingsType, dynamic>>> Mappings =>
new List<Expression<Func<DynamicMappingsType, dynamic>>>
{
i => i.IntCol,
i => i.StringCol
};
}
private class DynamicMappingsTypeClassMap : ClassMap<DynamicMappingsType>
{
public DynamicMappingsTypeClassMap()
{
foreach (var mapping in DynamicMappingsType.Mappings)
{
Map(mapping);
}
}
}
}
}
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