public void TestJsonIsParsedCorrectly()
{
// Good JSON :)
string json = "{\"type\":\"FeatureCollection\",\"features\":["
+ "{\"type\":\"Feature\",\"id\":\"quake.2012p904860\",\"geometry\":{\"type\":\"Point\",\"coordinates\":[172.8091,-43.451538]},\"geometry_name\":\"origin_geom\",\"properties\":{\"publicid\":\"2012p904860\",\"origintime\":\"2012-11-30 19:09:43.244000\",\"depth\":10.039062,\"magnitude\":3.2373073,\"status\":\"reviewed\",\"agency\":\"WEL(GNS_Primary)\",\"updatetime\":\"2012-11-30 19:30:58.437000\"}},"
+ "{\"type\":\"Feature\",\"id\":\"quake.2012p904809\",\"geometry\":{\"type\":\"Point\",\"coordinates\":[177.92297,-38.60341]},\"geometry_name\":\"origin_geom\",\"properties\":{\"publicid\":\"2012p904809\",\"origintime\":\"2012-11-30 18:42:35.602000\",\"depth\":11.972656,\"magnitude\":2.3260586,\"status\":\"reviewed\",\"agency\":\"WEL(GNS_Primary)\",\"updatetime\":\"2012-11-30 19:44:28.653000\"}},"
+ "{\"type\":\"Feature\",\"id\":\"quake.2012p904425\",\"geometry\":{\"type\":\"Point\",\"coordinates\":[175.57617,-39.639915]},\"geometry_name\":\"origin_geom\",\"properties\":{\"publicid\":\"2012p904425\",\"origintime\":\"2012-11-30 15:17:55.860000\",\"depth\":22.929688,\"magnitude\":3.1758049,\"status\":\"reviewed\",\"agency\":\"WEL(GNS_Primary)\",\"updatetime\":\"2012-11-30 19:41:05.659000\"}}"
+ "],\"crs\":{\"type\":\"EPSG\",\"properties\":{\"code\":\"4326\"}}}";
GeonetJsonParser parser = new GeonetJsonParser();
var quakeCollection = parser.ParseJsonToQuakes(json);
var quakes = new List<Earthquake>(quakeCollection);
Assert.AreEqual(3, quakes.Count);
var quake = quakes[0];
/*
* "{\"type\":\"Feature\",\"id\":\"quake.2012p904860\",\"geometry\":
* {\"type\":\"Point\",
* \"coordinates\":[172.8091,-43.451538]},
* \"geometry_name\":\"origin_geom\",
* \"properties\":
* {\"publicid\":\"2012p904860\",
* \"origintime\":\"2012-11-30 19:09:43.244000\",
* \"depth\":10.039062,
* \"magnitude\":3.2373073,
* \"status\":\"reviewed\",
* \"agency\":\"WEL(GNS_Primary)\",
* \"updatetime\":\"2012-11-30 19:30:58.437000\"}},"*/
Assert.AreEqual("WEL(GNS_Primary)", quake.Agency);
Assert.AreEqual(new DateTime(2012, 11, 30, 19, 09, 43, 244, DateTimeKind.Utc), quake.Date.ToUniversalTime());
Assert.AreEqual(10.0, quake.Depth);
Assert.AreEqual(new GeoCoordinate(-43.451538, 172.8091).Latitude, quake.Location.Latitude);
Assert.AreEqual(new GeoCoordinate(-43.451538, 172.8091).Longitude, quake.Location.Longitude);
Assert.AreEqual(3.2, quake.Magnitude);
Assert.AreEqual("2012p904860", quake.Reference);
Assert.AreEqual("reviewed", quake.Status);
}
public void TestBadJsonThrowsJsonException()
{
// Incomplete JSON
string json = "{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"id\":\"quake.2012p904860\",\"geometry\":{\"type\":\"Point\",\"coordinates\":[172.8091,-43.451538]},\"geometry_name\":\"origin_geom\",\"properties\":{\"publicid\":\"2012p904860\",\"origintime\":\"2012-11-30 19:09:43.244000\",\"depth\":10.039062,\"magnitude\":3.2373073,\"status\":\"reviewed\",\"agency\":\"WEL(GNS_Primary)\",\"updatetime\":\"2012-11-30 19:30:58.437000\"}}";
GeonetJsonParser parser = new GeonetJsonParser();
try
{
var quakes = parser.ParseJsonToQuakes(json);
}
catch (JsonException e)
{
// We're expecting a JsonException, so this is good.
}
catch (Exception e)
{
// We want to fail on any other kind of exception.
Assert.Fail();
}
}
void ProcessResponse(IAsyncResult result)
{
IHttpWebRequest request = result.AsyncState as IHttpWebRequest;
string responseJson = "";
if (request != null)
{
try
{
var response = request.EndGetResponse(result);
using (var stream = response.GetResponseStream())
{
using (StreamReader reader = new StreamReader(stream))
{
responseJson = reader.ReadToEnd();
}
}
}
catch (WebException)
{
Completed(null, GeonetSuccessStatus.NetworkFailure);
return;
}
}
IEnumerable<Earthquake> quakes;
if (!string.IsNullOrEmpty(responseJson))
{
try
{
GeonetJsonParser jsonParser = new GeonetJsonParser();
quakes = jsonParser.ParseJsonToQuakes(responseJson);
Completed(quakes, GeonetSuccessStatus.Success);
}
catch (JsonException e)
{
Completed(null, GeonetSuccessStatus.BadGeonetData);
}
}
else
{
Completed(null, GeonetSuccessStatus.NoGeonetData);
}
}