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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;
using System.Globalization;
using System.Linq;
using CsvHelper.Configuration;
using CsvHelper.TypeConversion;
using System.Collections.Generic;
using System.IO;
using Xunit;
using System.Reflection;
using CsvHelper.Tests.Mocks;
using CsvHelper.Configuration.Attributes;
namespace CsvHelper.Tests.TypeConversion
{
public class ArrayConverterTests
{
[Fact]
public void FullReadNoHeaderTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
HasHeaderRecord = false,
};
using (var stream = new MemoryStream())
using (var reader = new StreamReader(stream))
using (var writer = new StreamWriter(stream))
using (var csv = new CsvReader(reader, config))
{
writer.WriteLine("1,2,3,4,5");
writer.Flush();
stream.Position = 0;
csv.Context.RegisterClassMap<TestIndexMap>();
var records = csv.GetRecords<Test>().ToList();
var list = records[0].List.ToList();
Assert.Equal(3, list.Count);
Assert.Equal(2, list[0]);
Assert.Equal(3, list[1]);
Assert.Equal(4, list[2]);
}
}
[Fact]
public void FullReadWithHeaderTest()
{
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("Before,List,List,List,After");
writer.WriteLine("1,2,3,4,5");
writer.Flush();
stream.Position = 0;
csv.Context.RegisterClassMap<TestIndexMap>();
var records = csv.GetRecords<Test>().ToList();
var list = records[0].List.ToList();
Assert.Equal(3, list.Count);
Assert.Equal(2, list[0]);
Assert.Equal(3, list[1]);
Assert.Equal(4, list[2]);
}
}
[Fact]
public void FullReadWithDefaultHeaderTest()
{
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("Before,List,List,List,After");
writer.WriteLine("1,2,3,4,5");
writer.Flush();
stream.Position = 0;
csv.Context.RegisterClassMap<TestDefaultMap>();
var records = csv.GetRecords<Test>().ToList();
var list = records[0].List.ToList();
Assert.Equal(3, list.Count);
Assert.Equal(2, list[0]);
Assert.Equal(3, list[1]);
Assert.Equal(4, list[2]);
}
}
[Fact]
public void FullReadWithNamedHeaderTest()
{
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("Before,List,List,List,After");
writer.WriteLine("1,2,3,4,5");
writer.Flush();
stream.Position = 0;
csv.Context.RegisterClassMap<TestNamedMap>();
var records = csv.GetRecords<Test>().ToList();
var list = records[0].List.ToList();
Assert.Equal(3, list.Count);
Assert.Equal(2, list[0]);
Assert.Equal(3, list[1]);
Assert.Equal(4, list[2]);
}
}
[Fact]
public void FullReadWithHeaderListItemsScattered()
{
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("Before,List,A,List,B,List,After");
writer.WriteLine("1,2,3,4,5,6,7");
writer.Flush();
stream.Position = 0;
csv.Context.RegisterClassMap<TestNamedMap>();
var records = csv.GetRecords<Test>().ToList();
var list = records[0].List.ToList();
Assert.Equal(3, list.Count);
Assert.Equal(2, list[0]);
Assert.Equal(4, list[1]);
Assert.Equal(6, list[2]);
}
}
[Fact]
public void GetRecords_NullValuesAttributeWithIndex_UsesCustomNullValue()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
HasHeaderRecord = false,
};
var parser = new ParserMock(config)
{
{ "NULL", "", "2" },
};
using (var csv = new CsvReader(parser))
{
var records = csv.GetRecords<NullValuesAttributeIndexTest>().ToList();
}
}
private class NullValuesAttributeIndexTest
{
[Index(0, 2)]
[NullValues("NULL")]
public int?[] List { get; set; }
}
private class Test
{
public string Before { get; set; }
public int?[] List { get; set; }
public string After { get; set; }
}
private sealed class TestIndexMap : ClassMap<Test>
{
public TestIndexMap()
{
Map(m => m.Before).Index(0);
Map(m => m.List).Index(1, 3);
Map(m => m.After).Index(4);
}
}
private sealed class TestNamedMap : ClassMap<Test>
{
public TestNamedMap()
{
Map(m => m.Before).Name("Before");
Map(m => m.List).Name("List");
Map(m => m.After).Name("After");
}
}
private sealed class TestDefaultMap : ClassMap<Test>
{
public TestDefaultMap()
{
Map(m => m.Before);
Map(m => m.List);
Map(m => m.After);
}
}
}
}
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