public async Task TestFindShortestRouteBetweenAsync()
{
var cities = new Cities();
cities.ReadCities(CitiesTestFile);
var routes = new RoutesDijkstra(cities);
routes.ReadRoutes(LinksTestFile);
// do synchronous execution
linksExpected =
routes.FindShortestRouteBetween("Basel", "Zürich", TransportModes.Rail);
// do asynchronous execution
linksActual =
await routes.FindShortestRouteBetweenAsync("Basel", "Zürich", TransportModes.Rail);
// not test the results
Assert.IsNotNull(linksActual);
Assert.AreEqual(linksExpected.Count, linksActual.Count);
for (int i = 0; i < linksActual.Count; i++)
{
Assert.AreEqual(linksExpected[i].FromCity, linksActual[i].FromCity);
Assert.AreEqual(linksExpected[i].ToCity, linksActual[i].ToCity);
}
}
public async Task TestFindShortestRouteBetweenAsyncProgress()
{
var cities = new Cities();
cities.ReadCities(CitiesTestFile);
var routes = new RoutesDijkstra(cities);
routes.ReadRoutes(LinksTestFile);
var progress = new Progress<string>(ProgressReport);
// do asynchronous execution
linksActual =
await routes.FindShortestRouteBetweenAsync("Basel", "Zürich", TransportModes.Rail, progress);
await Task.Delay(1000);
// the following assert has to be made after the routine routine returns
// assert, that in minimum 5 progress calls are made
Assert.IsTrue(progCount >= 5, "less than 5 progress calls");
// See comment in ProgressReport method
Assert.IsFalse(doneMissing, String.Format("the progress message \"{0}\" does not contain \"done\"", failingMessage));
}