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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 CsvHelper.Configuration;
using Xunit;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CsvHelper.Tests.Mappings.Property
{
public class ConstantTests
{
[Fact]
public void GetRecords_ConstantSet_FieldExists_ReturnsRecordsWithConstant()
{
var s = new StringBuilder();
s.Append("Id,Name\r\n");
s.Append("1,one\r\n");
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
};
using (var reader = new StringReader(s.ToString()))
using (var csv = new CsvReader(reader, config))
{
csv.Context.RegisterClassMap<FooMap>();
var records = csv.GetRecords<Foo>().ToList();
Assert.Equal("Bar", records[0].Name);
}
}
[Fact]
public void GetRecords_ConstantSet_FieldMissing_ReturnsRecordsWithConstant()
{
var s = new StringBuilder();
s.Append("Id\r\n");
s.Append("1\r\n");
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
};
using (var reader = new StringReader(s.ToString()))
using (var csv = new CsvReader(reader, config))
{
csv.Context.RegisterClassMap<FooMap>();
var records = csv.GetRecords<Foo>().ToList();
Assert.Equal("Bar", records[0].Name);
}
}
private class Foo
{
public string Id { get; set; }
public string Name { get; set; }
}
private class FooMap : ClassMap<Foo>
{
public FooMap()
{
Map(m => m.Id).Index(0);
Map(m => m.Name).Index(1).Constant("Bar");
}
}
}
}
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