public void Process(string inputFile)
{
using (_csvReaderWriter)
{
_csvReaderWriter.Open(inputFile, CSVReaderWriter.Mode.Read);
string column1, column2;
while (_csvReaderWriter.Read(out column1, out column2))
{
_mailShot.SendMailShot(column1, column2);
}
}
}
private void AssertReturnsTrueOrThrowsException(ICsvReaderWriter csvReaderWriter)
{
// Arrange
const string dataFile = @"test_data\contacts.csv";
var lineCount = File.ReadAllLines(dataFile).Length;
csvReaderWriter.Open(dataFile, CSVReaderWriterForAnnotation.Mode.Read);
// Act and Assert
for (var i = 0; i < lineCount; i++)
{
Assert.AreEqual(true, csvReaderWriter.Read("", ""));
}
Assert.Throws <NullReferenceException>(() => csvReaderWriter.Read("", ""));
}
private void AssertReadsAllLines(ICsvReaderWriter csvReaderWriter)
{
// Arrange
const string dataFile = @"test_data\contacts.csv";
var allLines = File.ReadAllLines(dataFile);
csvReaderWriter.Open(dataFile, CSVReaderWriterForAnnotation.Mode.Read);
// Act and Assert
var lineNumber = 0;
while (csvReaderWriter.Read(out var column1, out var column2))
{
var nextLine = allLines[lineNumber];
var columns = nextLine.Split('\t');
Assert.AreEqual(columns[0], column1);
Assert.AreEqual(columns[1], column2);
lineNumber++;
}
csvReaderWriter.Close();
Assert.AreEqual(allLines.Length, lineNumber);
}
private void AssertWritesColumns(ICsvReaderWriter csvReaderWriter)
{
// Arrange
const string dataFile = @"test_data\emptyFile.csv";
csvReaderWriter.Open(dataFile, CSVReaderWriterForAnnotation.Mode.Write);
// Act
csvReaderWriter.Write("Column 1A", "Column 1B");
csvReaderWriter.Write("Column 2A", "Column 2B");
csvReaderWriter.Close();
var linesAfterWrite = File.ReadAllLines(dataFile);
// Assert
// Check only correct number of lines have been written
Assert.AreEqual(2, linesAfterWrite.Length);
// Check line added is expected string
Assert.AreEqual("Column 1A\tColumn 1B", linesAfterWrite[0]);
Assert.AreEqual("Column 2A\tColumn 2B", linesAfterWrite[1]);
}