public void GetValuesTest()
{
var s = new StringBuilder();
s.AppendLine("Boolean,Byte,Bytes,Char,Chars,DateTime,Decimal,Double,Float,Guid,Short,Int,Long,Null");
s.AppendLine("true,1,0x0102,a,ab,1/1/2019,1.23,4.56,7.89,eca0c8c6-9a2a-4e6c-8599-3561abda13f1,1,2,3,null");
using (var reader = new StringReader(s.ToString()))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
csv.Configuration.Delimiter = ",";
csv.Configuration.TypeConverterOptionsCache.GetOptions <string>().NullValues.Add("null");
var dataReader = new CsvDataReader(csv);
dataReader.Read();
Assert.AreEqual(true, dataReader.GetBoolean(0));
Assert.AreEqual(1, dataReader.GetByte(1));
byte[] byteBuffer = new byte[2];
dataReader.GetBytes(2, 0, byteBuffer, 0, byteBuffer.Length);
Assert.AreEqual(0x1, byteBuffer[0]);
Assert.AreEqual(0x2, byteBuffer[1]);
Assert.AreEqual('a', dataReader.GetChar(3));
char[] charBuffer = new char[2];
dataReader.GetChars(4, 0, charBuffer, 0, charBuffer.Length);
Assert.AreEqual('a', charBuffer[0]);
Assert.AreEqual('b', charBuffer[1]);
Assert.IsNull(dataReader.GetData(0));
Assert.AreEqual(DateTime.Parse("1/1/2019"), dataReader.GetDateTime(5));
Assert.AreEqual(typeof(string).Name, dataReader.GetDataTypeName(0));
Assert.AreEqual(1.23m, dataReader.GetDecimal(6));
Assert.AreEqual(4.56d, dataReader.GetDouble(7));
Assert.AreEqual(typeof(string), dataReader.GetFieldType(0));
Assert.AreEqual(7.89f, dataReader.GetFloat(8));
Assert.AreEqual(Guid.Parse("eca0c8c6-9a2a-4e6c-8599-3561abda13f1"), dataReader.GetGuid(9));
Assert.AreEqual(1, dataReader.GetInt16(10));
Assert.AreEqual(2, dataReader.GetInt32(11));
Assert.AreEqual(3, dataReader.GetInt64(12));
Assert.AreEqual("Boolean", dataReader.GetName(0));
Assert.AreEqual(0, dataReader.GetOrdinal("Boolean"));
Assert.AreEqual("true", dataReader.GetString(0));
Assert.AreEqual("true", dataReader.GetValue(0));
var objectBuffer = new object[14];
dataReader.GetValues(objectBuffer);
Assert.AreEqual("true", objectBuffer[0]);
Assert.AreEqual(DBNull.Value, objectBuffer[13]);
Assert.IsTrue(dataReader.IsDBNull(13));
}
}
internal static void CheckReferenceData()
{
// csv...
string data = ResourceHelper.GetString("AmxMobile.Services.Resources.Countries.csv");
using (StringReader reader = new StringReader(data))
{
CsvDataReader csv = new CsvDataReader(reader, true);
// txn...
using (TransactionState txn = Database.StartTransaction())
{
try
{
while (csv.Read())
{
// get...
string name = csv.GetString("Common Name");
if (name == null)
throw new InvalidOperationException("'name' is null.");
if (name.Length == 0)
throw new InvalidOperationException("'name' is zero-length.");
// get...
Country country = Country.GetByName(name);
if (country == null)
{
country = new Country();
country.Name = name;
if (string.Compare(name, "United Kingdom", true, Cultures.System) == 0)
country.Ordinal = 1000;
if (string.Compare(name, "United States", true, Cultures.System) == 0)
country.Ordinal = 1001;
else
country.Ordinal = 9999;
// save...
country.SaveChanges();
}
}
// ok...
txn.Commit();
}
catch (Exception ex)
{
txn.Rollback(ex);
throw new InvalidOperationException("The operation failed", ex);
}
}
}
}
public void ReadWithNoHeaderTest()
{
var s = new StringBuilder();
s.AppendLine("1,one");
s.AppendLine("2,two");
using (var reader = new StringReader(s.ToString()))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
csv.Configuration.HasHeaderRecord = false;
csv.Configuration.Delimiter = ",";
var dataReader = new CsvDataReader(csv);
dataReader.Read();
Assert.AreEqual(1, dataReader.GetInt32(0));
Assert.AreEqual("one", dataReader.GetString(1));
dataReader.Read();
Assert.AreEqual(2, dataReader.GetInt32(0));
Assert.AreEqual("two", dataReader.GetString(1));
}
}
private static void Main(string[] args)
{
using (var textReader = new StreamReader(@".\test.csv"))
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
HasHeaderRecord = false
};
var csvReader = new CsvReader(textReader, config);
var csvDataReader = new CsvDataReader(csvReader);
while (csvDataReader.Read())
{
for (int i = 0; i < csvDataReader.FieldCount; i++)
{
Console.Write(csvDataReader.GetString(i) + " ");
}
Console.WriteLine(" ");
}
}
Console.Read();
}
