public void Read_ExistsEmptyString_ReadEmptyString()
{
// Arrange
const string INPUT_STR = "123\n\n456";
using (var stream = INPUT_STR.ToStream())
{
// Act
using (var reader = new CsvReader(stream, DELIMETER_AS_SPACE))
{
// Assert
string[] values = null;
values = reader.Read();
Assert.IsNotNull(values);
Assert.AreEqual(1, values.Count());
Assert.AreEqual("123", values[0]);
values = reader.Read();
Assert.IsNotNull(values);
Assert.AreEqual(1, values.Count());
Assert.AreEqual(string.Empty, values[0]);
values = reader.Read();
Assert.IsNotNull(values);
Assert.AreEqual(1, values.Count());
Assert.AreEqual("456", values[0]);
reader.Close();
}
}
}
public void Read_ReaderDisposed_ThrowException()
{
// Arrange
var str = "123 4567\n89 10";
using (var inputStream = str.ToStream())
{
// Act
var inputReader = new CsvReader(inputStream);
inputReader.Read();
inputReader.Close();
inputReader.Read();
}
}
protected void Open_Internal(string fileName, Mode mode, char delimiter, bool append, Encoding encoding)
{
fileName.ThrowIfNullOrEmpty("fileName");
switch (mode)
{
case Mode.Read:
{
if (ReaderStream != null)
ReaderStream.Close();
ReaderStream = new CsvReader(fileName, delimiter, encoding);
break;
}
case Mode.Write:
{
if (WriterStream != null)
WriterStream.Close();
WriterStream = new CsvWriter(fileName, delimiter, append, encoding);
break;
}
default:
throw new Exception(String.Format("Unknown mode {0}", mode));
}
}
public void Read_RealFileUTF8_Success()
{
// Arrange
var filePath = Path.Combine(_pathToTestDir, "quotesUTF8.txt");
if (File.Exists(filePath))
File.Delete(filePath);
using (var sw = new StreamWriter(File.Open(filePath, FileMode.Create), Encoding.UTF8))
{
sw.WriteLine("è €\nè2 €2");
}
using (var reader = new CsvReader(filePath, DELIMETER_AS_SPACE))
{
// Act
var values = reader.Read();
// Assert
Assert.IsNotNull(values);
Assert.AreEqual(2, values.Count());
Assert.AreEqual("è", values[0]);
Assert.AreEqual("€", values[1]);
// Act
values = reader.Read();
// Assert
Assert.IsNotNull(values);
Assert.AreEqual(2, values.Count());
Assert.AreEqual("è2", values[0]);
Assert.AreEqual("€2", values[1]);
}
if (File.Exists(filePath))
File.Delete(filePath);
}
public void Read_TwoStringsWithSemicolonDelimeter_Success()
{
// Arrange
const char DELIMETER_AS_SEMICOLON = ';';
var str = "123;4567\nabc;grs";
using (var stream = str.ToStream())
{
// Act
using (var reader = new CsvReader(stream, DELIMETER_AS_SEMICOLON))
{
// Assert
string[] values = null;
values = reader.Read();
Assert.IsNotNull(values);
Assert.AreEqual(2, values.Count());
Assert.AreEqual("123", values[0]);
Assert.AreEqual("4567", values[1]);
values = reader.Read();
Assert.IsNotNull(values);
Assert.AreEqual(2, values.Count());
Assert.AreEqual("abc", values[0]);
Assert.AreEqual("grs", values[1]);
values = reader.Read();
Assert.IsNull(values);
reader.Close();
}
}
}
public void Read_TwoStringsAndTwoFields_Success()
{
// Arrange
var str = "123 4567\nabc grs";
using (var stream = str.ToStream())
{
// Act
using (var reader = new CsvReader(stream, ' '))
{
// Assert
string[] values = null;
values = reader.Read();
Assert.IsNotNull(values);
Assert.AreEqual(2, values.Count());
Assert.AreEqual("123", values[0]);
Assert.AreEqual("4567", values[1]);
values = reader.Read();
Assert.IsNotNull(values);
Assert.AreEqual(2, values.Count());
Assert.AreEqual("abc", values[0]);
Assert.AreEqual("grs", values[1]);
values = reader.Read();
Assert.IsNull(values);
reader.Close();
}
}
}
public void Read_StringWithTwoFilledFieldsAndOneEmptyField_Success()
{
// Arrange
const string INPUT_STR = "123 45";
using (var inputStream = INPUT_STR.ToStream())
{
// Act
using (var inputReader = new CsvReader(inputStream, DELIMETER_AS_SPACE))
{
// Assert
string[] values = null;
values = inputReader.Read();
Assert.IsNotNull(values);
Assert.AreEqual(3, values.Count());
Assert.AreEqual("123", values[0]);
Assert.AreEqual("", values[1]);
Assert.AreEqual("45", values[2]);
}
}
}
public void Read_RealFile_Success()
{
// Arrange
var filePath = Path.Combine(_pathToTestDir, "quotes.txt");
using (var reader = new CsvReader(filePath))
{
var lineCounter = 0;
// Act
while (reader.Read() != null)
lineCounter++;
// Assert
var LINES_IN_SAMPLE_FILE = 1000;
Assert.AreEqual(LINES_IN_SAMPLE_FILE, lineCounter);
}
}
