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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.Dynamic;
using System.Globalization;
using System.IO;
using CsvHelper.Configuration;
using CsvHelper.Tests.Mocks;
using Xunit;
namespace CsvHelper.Tests.Writing
{
public class DynamicTests
{
[Fact]
public void WriteDynamicExpandoObjectsTest()
{
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<dynamic>();
dynamic obj = new ExpandoObject();
obj.Id = 1;
obj.Name = "one";
list.Add(obj);
obj = new ExpandoObject();
obj.Id = 2;
obj.Name = "two";
list.Add(obj);
csv.WriteRecords(list);
writer.Flush();
stream.Position = 0;
var expected = "Id,Name\r\n";
expected += "1,one\r\n";
expected += "2,two\r\n";
Assert.Equal(expected, reader.ReadToEnd());
}
}
[Fact]
public void WriteDynamicExpandoObjectTest()
{
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))
{
dynamic obj = new ExpandoObject();
obj.Id = 1;
obj.Name = "one";
csv.WriteDynamicHeader(obj);
csv.NextRecord();
csv.WriteRecord(obj);
csv.NextRecord();
obj = new ExpandoObject();
obj.Id = 2;
obj.Name = "two";
csv.WriteRecord(obj);
csv.NextRecord();
writer.Flush();
stream.Position = 0;
var expected = "Id,Name\r\n";
expected += "1,one\r\n";
expected += "2,two\r\n";
Assert.Equal(expected, reader.ReadToEnd());
}
}
[Fact]
public void WriteDynamicExpandoObjectHasDifferentPropertyOrderingTest()
{
using (var writer = new StringWriter())
using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture))
{
dynamic obj = new ExpandoObject();
obj.Name = "one";
obj.Id = 1;
csv.WriteDynamicHeader(obj);
csv.NextRecord();
csv.WriteRecord(obj);
csv.NextRecord();
obj = new ExpandoObject();
obj.Name = "two";
obj.Id = 2;
csv.WriteRecord(obj);
csv.NextRecord();
var expected = "Name,Id\r\n";
expected += "one,1\r\n";
expected += "two,2\r\n";
Assert.Equal(expected, writer.ToString());
}
}
[Fact]
public void WriteDynamicIDynamicMetaObjectProviderHasDifferentPropertyOrderingTest()
{
using (var writer = new StringWriter())
using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture))
{
dynamic obj = new DynamicObjectMock();
obj.Name = "one";
obj.Id = 1;
csv.WriteDynamicHeader(obj);
csv.NextRecord();
csv.WriteRecord(obj);
csv.NextRecord();
obj = new ExpandoObject();
obj.Name = "two";
obj.Id = 2;
csv.WriteRecord(obj);
csv.NextRecord();
var expected = "Name,Id\r\n";
expected += "one,1\r\n";
expected += "two,2\r\n";
Assert.Equal(expected, writer.ToString());
}
}
[Fact]
public void WriteDynamicExpandoObjectHasDifferentPropertyOrderingWithDynamicSortTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
DynamicPropertySort = Comparer<string>.Create((x, y) => x.CompareTo(y)),
};
using (var writer = new StringWriter())
using (var csv = new CsvWriter(writer, config))
{
dynamic obj = new ExpandoObject();
obj.Name = "one";
obj.Id = 1;
csv.WriteDynamicHeader(obj);
csv.NextRecord();
csv.WriteRecord(obj);
csv.NextRecord();
obj = new ExpandoObject();
obj.Id = 2;
obj.Name = "two";
csv.WriteRecord(obj);
csv.NextRecord();
var expected = "Id,Name\r\n";
expected += "1,one\r\n";
expected += "2,two\r\n";
Assert.Equal(expected, writer.ToString());
}
}
[Fact]
public void WriteDynamicIDynamicMetaObjectProviderHasDifferentPropertyOrderingWithDynamicSortTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
DynamicPropertySort = Comparer<string>.Create((x, y) => x.CompareTo(y)),
};
using (var writer = new StringWriter())
using (var csv = new CsvWriter(writer, config))
{
dynamic obj = new DynamicObjectMock();
obj.Name = "one";
obj.Id = 1;
csv.WriteDynamicHeader(obj);
csv.NextRecord();
csv.WriteRecord(obj);
csv.NextRecord();
obj = new ExpandoObject();
obj.Id = 2;
obj.Name = "two";
csv.WriteRecord(obj);
csv.NextRecord();
var expected = "Id,Name\r\n";
expected += "1,one\r\n";
expected += "2,two\r\n";
Assert.Equal(expected, writer.ToString());
}
}
}
}
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