static async Task MainAsync(string[] args)
{
try
{
// Step 1: Validate command line arguments and build Path
var filePath = new InputValidator(args).Build();
// Step 2: Build map
var mapDataReader = new MapRawDataReaderFromFile(filePath);
var map = await new MapBuilder(mapDataReader).Build();
// Step 3: Plan different routs
var planningResult = await new JourneyPlanner(
map,
new DistanceCalculator(map),
new ShortestPathFinderRecursive(map),
new RouteFinderRecursive(map)
).Plan();
// Step 4: Display results
DisplayResult(planningResult);
}
catch (ValidationException ex)
{
Console.WriteLine(ex.Message);
}
catch (Exception ex)
{
Console.WriteLine($"An error occured while processing your request. Error: {ex.Message}");
}
}
public async Task Plan_Journey_On_Official_Map()
{
// Step 1: Build map
var mapDataReader = new MapRawDataReaderFromFile("OfficialMap.txt");
var map = await new MapBuilder(mapDataReader).Build();
// Step 2: Plan different routs
var plan = await new JourneyPlanner(
map,
new DistanceCalculator(map),
new ShortestPathFinderIterative(map),
new RouteFinderRecursive(map)
).Plan();
Assert.AreEqual(plan[1], "9"); //The distance of the route A-B-C.
Assert.AreEqual(plan[2], "5"); //The distance of the route A-D.
Assert.AreEqual(plan[3], "13"); //The distance of the route A-D-C.
Assert.AreEqual(plan[4], "22"); //The distance of the route A-E-B-C-D.
Assert.AreEqual(plan[5], "No such route"); //The distance of the route A-E-D.
Assert.AreEqual(plan[6], "2"); //The number of trips starting at C and ending at C with a maximum of 3 stops.
Assert.AreEqual(plan[7], "3"); //The number of trips starting at A and ending at C with exactly 4 stops.
Assert.AreEqual(plan[8], "9"); //The length of the shortest route (in terms of distance to travel) from A to C.
Assert.AreEqual(plan[9], "9"); // The length of the shortest route (in terms of distance to travel) from B to B.
Assert.AreEqual(plan[10], "7"); //The number of different routes from C to C with a distance of less than 30
}
public async Task Build_Longer_Path_WithLess_Cost_Map()
{
var fileDataReader = new MapRawDataReaderFromFile("LongerPathWithLessCost.txt");
var map = await new MapBuilder(fileDataReader).Build();
var totalRoutes = map.Towns.SelectMany(m => m.Routes).Count();
Assert.AreEqual(5, map.Towns.Count);
Assert.AreEqual(totalRoutes, map.TotalRoutes);
Assert.AreEqual(6, totalRoutes);
}
public async Task Build_Complete_Map()
{
var fileDataReader = new MapRawDataReaderFromFile("CompleteMap.txt");
var map = await new MapBuilder(fileDataReader).Build();
var totalRoutes = map.Towns.SelectMany(m => m.Routes).Count();
Assert.AreEqual(5, map.Towns.Count);
Assert.AreEqual(totalRoutes, map.TotalRoutes);
Assert.AreEqual(20, totalRoutes);
Console.Out.WriteLine("test finished");
}
public async Task Build_Official_Map()
{
var fileDataReader = new MapRawDataReaderFromFile("OfficialMap.txt");
var map = await new MapBuilder(fileDataReader).Build();
var actual = map.Towns.Count;
var expected = 5;
var totalRoutes = map.Towns.SelectMany(m => m.Routes).Count();
Assert.AreEqual(expected, actual);
Assert.AreEqual(totalRoutes, map.TotalRoutes);
Assert.AreEqual(9, totalRoutes);
}
