private void SerializeGtfs(GtfsFeed gtfs, string filename)
{
var serializer = new JsonSerializer()
{
Formatting = Formatting.Indented,
NullValueHandling = NullValueHandling.Ignore
};
filename = Path.Combine(TestContext.ResultsDirectory, filename);
Task.Run(() =>
{
using (var writer = new StreamWriter(filename))
{
serializer.Serialize(writer, gtfs);
}
}).Wait();
TestContext.AddResultFile(filename);
}
/// <summary>
/// A common set of tests to run on a GTFS feed.
/// </summary>
/// <param name="gtfs"></param>
private static void RunTestsOnGtfs(GtfsFeed gtfs)
{
// Test for the different required tables.
Assert.IsNotNull(gtfs, "The GTFS object cannot be null");
Assert.IsNotNull(gtfs.Agency, "The agency list cannot be null.");
Assert.IsNotNull(gtfs.Stops, "The stops list cannot be null.");
Assert.IsNotNull(gtfs.Routes, "The routes list cannot be null.");
Assert.IsNotNull(gtfs.Trips, "The trips list cannot be null.");
Assert.IsNotNull(gtfs.StopTimes, "The stop_times list cannot be null.");
Assert.IsNotNull(gtfs.Calendar, "The calendar list cannot be null.");
// Test agency
foreach (var agency in gtfs.Agency)
{
Assert.IsNotNull(agency.agency_name, "agency.agency_name cannot be null.");
Assert.IsNotNull(agency.agency_url, "agency.agency_url cannot be null.");
Assert.IsNotNull(agency.agency_timezone, "agency.agency_timezone cannot be null.");
}
foreach (var stop in gtfs.Stops.features)
{
Assert.IsNotNull(stop.id, "stop.stop_id cannot be null.");
Assert.IsNotNull(stop.properties.stop_name, "stop.stop_name cannot be null.");
// Test to see if the lat is a "valid WGS 84 latitude".
Assert.IsTrue(stop.geometry.coordinates[1].IsValidLatitude());
Assert.IsTrue(stop.geometry.coordinates[0].IsValidLongitude());
}
foreach (var route in gtfs.Routes)
{
Assert.IsNotNull(route.route_id, "route.route_id cannot be null.");
Assert.IsNotNull(route.route_short_name, "route.route_short_name cannot be null.");
Assert.IsNotNull(route.route_long_name, "route.route_long_name cannot be null.");
}
CollectionAssert.AllItemsAreUnique(gtfs.Trips.Select(g => g.trip_id).ToArray());
foreach (var trip in gtfs.Trips)
{
Assert.IsNotNull(trip.route_id, "trip.route_id cannot be null.");
Assert.IsNotNull(trip.service_id, "trip.service_id cannot be null.");
Assert.IsNotNull(trip.trip_id, "trip.trip_id cannot be null.");
}
foreach (var stopTime in gtfs.StopTimes)
{
Assert.IsNotNull(stopTime.trip_id, "stopTime.trip_id cannot be null.");
Assert.IsNotNull(stopTime.stop_id, "stopTime.stop_id cannot be null.");
Assert.IsNotNull(stopTime.stop_sequence, "stopTime.stop_sequence cannot be null.");
}
CollectionAssert.AllItemsAreUnique(gtfs.Calendar.Select(g => g.service_id).ToArray());
foreach (var item in gtfs.Calendar)
{
Assert.IsNotNull(item.service_id, "item.service_id cannot be null.");
Assert.IsNotNull(item.start_date, "item.start_date cannot be null.");
Assert.IsNotNull(item.end_date, "item.end_date cannot be null.");
}
if (gtfs.CalendarDates != null)
{
CollectionAssert.AllItemsAreUnique(gtfs.CalendarDates.Select(g => string.Concat(g.service_id, g.date)).ToArray(), "Each (service_id, date) pair can only appear once in calendar_dates.txt.");
foreach (var item in gtfs.CalendarDates)
{
Assert.IsNotNull(item.service_id, "item.service_id cannot be null.");
Assert.IsNotNull(item.date, "item.date cannot be null.");
}
}
if (gtfs.FareAttributes != null)
{
CollectionAssert.AllItemsAreUnique(gtfs.FareAttributes.Select(g => g.fare_id).ToArray());
foreach (var item in gtfs.FareAttributes)
{
Assert.IsNotNull(item.fare_id, "item.fare_id cannot be null.");
Assert.IsTrue(item.price >= 0);
Assert.IsTrue(!item.transfers.HasValue || (item.transfers.Value.IsInRange(0, 2)), "Number of transfers must be between 0 and 2 if provided at all.");
}
}
if (gtfs.FareRules != null)
{
CollectionAssert.AllItemsAreNotNull(gtfs.FareRules.Select(g => g.fare_id).ToArray(), "FareRule.fare_id cannot be null.");
}
if (gtfs.Shapes != null)
{
Assert.IsTrue(gtfs.Shapes.features != null && gtfs.Shapes.features.Length > 0,
"Shapes property is not null but does not contain any features.");
foreach (var item in gtfs.Shapes.features)
{
Assert.IsNotNull(item.id, "shape_id cannot be null.");
Assert.IsTrue(((ShapeFeature)item).geometry.coordinates.HasValidLongitudesAndLatitudes());
}
}
}