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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.Globalization;
using System.IO;
namespace CsvHelper.Tests
{
public class EnumerateRecordsTests
{
[Fact]
public void BasicTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
HeaderValidated = null,
MissingFieldFound = null,
};
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("Id,Name");
writer.WriteLine("1,one");
writer.WriteLine("2,two");
writer.Flush();
stream.Position = 0;
var record = new Basic
{
Id = -1,
Name = "-one"
};
var count = 1;
foreach (var r in csv.EnumerateRecords(record))
{
if (count == 1)
{
Assert.Equal(1, r.Id);
Assert.Equal("one", r.Name);
}
else if (count == 2)
{
Assert.Equal(2, r.Id);
Assert.Equal("two", r.Name);
}
count++;
}
}
}
[Fact]
public void UnUsedPropertyTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
HeaderValidated = null,
MissingFieldFound = null,
};
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("Id,Name");
writer.WriteLine("1,one");
writer.WriteLine("2,two");
writer.Flush();
stream.Position = 0;
var record = new UnUsedProperty
{
Id = -1,
Name = "-one",
UnUsed = "nothing",
};
var count = 1;
foreach (var r in csv.EnumerateRecords(record))
{
if (count == 1)
{
Assert.Equal(1, r.Id);
Assert.Equal("one", r.Name);
Assert.Equal("nothing", r.UnUsed);
}
else if (count == 2)
{
Assert.Equal(2, r.Id);
Assert.Equal("two", r.Name);
Assert.Equal("nothing", r.UnUsed);
}
count++;
}
}
}
[Fact]
public void ReferenceTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
HeaderValidated = null,
MissingFieldFound = null,
};
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("Id,Name");
writer.WriteLine("1,one");
writer.WriteLine("2,two");
writer.Flush();
stream.Position = 0;
var record = new HasReferences
{
Id = -1,
Reference = new Reference
{
Name = "one"
}
};
var count = 1;
foreach (var r in csv.EnumerateRecords(record))
{
if (count == 1)
{
Assert.Equal(1, r.Id);
Assert.Equal("one", r.Reference.Name);
}
else if (count == 2)
{
Assert.Equal(2, r.Id);
Assert.Equal("two", r.Reference.Name);
}
count++;
}
}
}
private class Basic
{
public int Id { get; set; }
public string Name { get; set; }
}
private class UnUsedProperty
{
public int Id { get; set; }
public string Name { get; set; }
public string UnUsed { get; set; }
}
public class HasReferences
{
public int Id { get; set; }
public Reference Reference { get; set; }
}
public class Reference
{
public string Name { get; set; }
}
}
}
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