public static bool TryParse(string line, out TripDescription tripDescription)
{
tripDescription = null;
if (string.IsNullOrWhiteSpace(line))
{
return false;
}
var parts = line.Split(',');
if (parts.Length < 2)
{
throw new ArgumentException("Not enough CSV parts.", "line");
}
tripDescription = new TripDescription {Vehicle = parts[0], Description = parts[1]};
return true;
}
public void AddDescriptionFor(String vehicle, String description)
{
if (String.IsNullOrWhiteSpace(vehicle))
{
throw new ArgumentException("Must provide a vehicle.", "vehicle");
}
if (String.IsNullOrWhiteSpace(description))
{
return;
}
var list = Load(vehicle).ToList();
var matches = from td in list where td.Description.Trim().Equals(description.Trim(), StringComparison.OrdinalIgnoreCase) select td;
if (matches.Any())
{
return;
}
var newTripDescription = new TripDescription {Vehicle = vehicle, Description = description};
list.Add(newTripDescription);
WriteListToTextFile(list);
}
public void ToCsv_should_create_string_when_description_is_missing()
{
var td = new TripDescription() { Vehicle = "My Car", Description = null };
var csv = td.ToCsv();
csv.Should().Be("My Car,");
}
public void ToCsv_should_create_string_when_vehicle_is_missing()
{
var td = new TripDescription() { Vehicle = String.Empty, Description = "Trip to nowhere" };
var csv = td.ToCsv();
csv.Should().Be(",Trip to nowhere");
}
public void ToCSV_should_create_string()
{
var td = new TripDescription() {Vehicle = "My Car", Description = "Trip to nowhere"};
var csv = td.ToCsv();
csv.Should().Be("My Car,Trip to nowhere");
}
