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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.IO;
using CsvHelper.Configuration;
using Xunit;
namespace CsvHelper.Tests
{
public class CsvWriterFormatTests
{
[Fact]
public void WriteFieldTest()
{
var record = new TestRecord
{
IntColumn = 1,
DateColumn = new DateTime(2012, 10, 1, 12, 12, 12),
DecimalColumn = 150.99m,
FirstColumn = "first column",
};
var stream = new MemoryStream();
var writer = new StreamWriter(stream) { AutoFlush = true };
var csv = new CsvWriter(writer, new CultureInfo("en-US"));
csv.Context.RegisterClassMap<TestRecordMap>();
csv.WriteRecord(record);
csv.NextRecord();
stream.Position = 0;
var reader = new StreamReader(stream);
var csvFile = reader.ReadToEnd();
var expected = "first column,0001,10/1/2012,$150.99\r\n";
Assert.Equal(expected, csvFile);
}
[Fact]
public void WriteFieldShouldQuoteNoTest()
{
var stream = new MemoryStream();
var writer = new StreamWriter(stream) { AutoFlush = true };
var csv = new CsvWriter(writer, CultureInfo.InvariantCulture);
csv.WriteField("a \"b\" c", false);
csv.NextRecord();
stream.Position = 0;
var reader = new StreamReader(stream);
var csvFile = reader.ReadToEnd();
var expected = "a \"b\" c\r\n";
Assert.Equal(expected, csvFile);
}
[Fact]
public void WriteFieldShouldQuoteYesTest()
{
var stream = new MemoryStream();
var writer = new StreamWriter(stream) { AutoFlush = true };
var csv = new CsvWriter(writer, CultureInfo.InvariantCulture);
csv.WriteField("a \"b\" c", true);
csv.NextRecord();
stream.Position = 0;
var reader = new StreamReader(stream);
var csvFile = reader.ReadToEnd();
var expected = "\"a \"\"b\"\" c\"\r\n";
Assert.Equal(expected, csvFile);
}
[Fact]
public void WriteRecordWithReferencesTest()
{
var record = new Person
{
FirstName = "First Name",
LastName = "Last Name",
Updated = new DateTime(2012, 10, 1, 12, 12, 12, 123),
HomeAddress = new Address
{
Street = "Home Street",
City = "Home City",
State = "Home State",
Zip = 02201,
},
WorkAddress = new Address
{
Street = "Work Street",
City = "Work City",
State = "Work State",
Zip = 04100,
}
};
var stream = new MemoryStream();
var writer = new StreamWriter(stream) { AutoFlush = true };
var csv = new CsvWriter(writer, CultureInfo.InvariantCulture);
csv.Context.RegisterClassMap<PersonMap>();
csv.WriteRecord(record);
csv.NextRecord();
stream.Position = 0;
var reader = new StreamReader(stream);
var csvFile = reader.ReadToEnd();
var expected = "First Name,Last Name,2012-10-01 12:12:12.123,Home Street,Home City,Home State,02201,Work Street,Work City,Work State,04100\r\n";
Assert.Equal(expected, csvFile);
}
private class TestRecord
{
public int IntColumn { get; set; }
public DateTime DateColumn { get; set; }
public decimal DecimalColumn { get; set; }
public string FirstColumn { get; set; }
}
private sealed class TestRecordMap : ClassMap<TestRecord>
{
public TestRecordMap()
{
Map(m => m.IntColumn).Name("Int Column").Index(1).TypeConverterOption.Format("0000");
Map(m => m.DateColumn).Index(2).TypeConverterOption.Format("d");
Map(m => m.DecimalColumn).Index(3).TypeConverterOption.Format("c");
Map(m => m.FirstColumn).Index(0);
}
}
private class Person
{
public string FirstName { get; set; }
public string LastName { get; set; }
public DateTime Updated { get; set; }
public Address HomeAddress { get; set; }
public Address WorkAddress { get; set; }
}
private class Address
{
public string Street { get; set; }
public string City { get; set; }
public string State { get; set; }
public int Zip { get; set; }
}
private sealed class PersonMap : ClassMap<Person>
{
public PersonMap()
{
Map(m => m.FirstName);
Map(m => m.LastName);
Map(m => m.Updated).TypeConverterOption.Format("yyyy-MM-dd HH:mm:ss.fff");
References<HomeAddressMap>(m => m.HomeAddress);
References<WorkAddressMap>(m => m.WorkAddress);
}
}
private sealed class HomeAddressMap : ClassMap<Address>
{
public HomeAddressMap()
{
Map(m => m.Street).Name("HomeStreet");
Map(m => m.City).Name("HomeCity");
Map(m => m.State).Name("HomeState");
Map(m => m.Zip).Name("HomeZip").TypeConverterOption.Format("00000");
}
}
private sealed class WorkAddressMap : ClassMap<Address>
{
public WorkAddressMap()
{
Map(m => m.Street).Name("WorkStreet");
Map(m => m.City).Name("WorkCity");
Map(m => m.State).Name("WorkState");
Map(m => m.Zip).Name("WorkZip").TypeConverterOption.Format("00000");
}
}
}
}
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