public void Opening_csv_file_should_be_done_by_Stream_Writer()
{
//arrange
const string fileName = "fileName";
//act
_csvWriter.Open(fileName);
//assert
_streamWriter.Verify(s => s.Open(fileName));
}
public void Open(string fileName, Mode mode)
{
_mode = mode;
if (_mode == Mode.Read)
{
_csvReader.Open(fileName);
return;
}
_csvWriter.Open(fileName);
}