private IEnumerable <Stop> ParseStops(IEnumerable <string> lines)
{
var stopsDictionary = new Dictionary <string, List <Stop> >();
foreach (var line in lines)
{
var fields = line.Split(',');
var name = fields[0];
var lat = float.Parse(fields[1], CultureInfo.InvariantCulture);
var lon = float.Parse(fields[2], CultureInfo.InvariantCulture);
var lineNumber = fields[4];
var stop = new Stop(name, lat, lon);
if (!stopsDictionary.ContainsKey(name))
{
stopsDictionary.Add(name, new List <Stop>());
}
var list = stopsDictionary[name];
var duplicate = list.FirstOrDefault(p => !AreDistinct(p, stop));
var service = new Service(lineNumber);
if (duplicate == null)
{
stop.AddService(service);
list.Add(stop);
}
else
{
duplicate.AddService(service);
}
}
return(stopsDictionary.Values.SelectMany(p => p).ToList());
}
public void WhenMultipleStopsThenManyObjectives()
{
var stops = Enumerable.Range(0, 100).Select(i =>
{
var stop = new Stop("Stop" + i, 0.0f + i, 0.0f);
stop.AddService(new Service("1"));
return(stop);
}).ToList();
var service = new ObjectiveGenerator(stops);
var objectives = service.Generate(stops.First());
Assert.Equal(10, objectives.Count());
}
public void WhenNoConnectionBetweenStopsThenNoResults()
{
var startStop = new Stop("Start Stop", 10.0f, 20.0f);
startStop.AddService(new Service("1"));
var endStop = new Stop("End Stop", 15.0f, 20.0f);
endStop.AddService(new Service("2"));
var service = new ObjectiveGenerator(new[] { startStop, endStop });
var objectives = service.Generate(startStop);
Assert.Empty(objectives);
}
public void WhenTwoStopsThenOnlyObjectiveIsBetweenThem()
{
var startStop = new Stop("Start Stop", 10.0f, 20.0f);
startStop.AddService(new Service("1"));
var endStop = new Stop("End Stop", 15.0f, 20.0f);
endStop.AddService(new Service("1"));
var service = new ObjectiveGenerator(new[] { startStop, endStop });
var objectives = service.Generate(startStop);
Assert.Collection(objectives, x => Assert.Equal(endStop, x.EndStop));
}