private async Task LoadData()
{
if (_requiredListOfCities != null)
{
return;
}
_requiredListOfCities = _cityService.AvilableCities;
try
{
//could be split to different chunks as well like 2 each or sg.
foreach (City city in _requiredListOfCities)
{
WeatherDataRoot weatherInfo = await _darkSkyService.GetWeatherDataForCity(city);
AvailableWeatherInfo.Add(weatherInfo);
}
//testing what is quicker in terms of loading data -> one by one is fine.
//IEnumerable<WeatherDataRoot> availableWeatherInfo = await _darkSkyService.GetWeatherDataForMultipleCities(_requiredListOfCities);
//AvailableWeatherInfo = new ObservableCollection<WeatherDataRoot>(availableWeatherInfo);
}
catch (Exception ex)
{
IsThereAConnectionError = true;
Logger.Error("An error occured while getting data from the Dark Sky Service. Please check details in the log.", ex);
}
}
public async Task GetWeatherDataForCity_SuccessfullyParses_NormalJSONString()
{
_darkSkyService = new DarkSkyService(_weatherDataRetriever, _darkSkyConfigurationManager);
WeatherDataRoot weatherData = await _darkSkyService.GetWeatherDataForCity(city);
Assert.IsNotNull(weatherData);
Assert.IsNotNull(weatherData.CurrentWeather);
Assert.AreEqual(weatherData.CurrentWeather.Temperature, -1.73);
Assert.AreEqual(weatherData.CurrentWeather.Icon, IconValue.CLOUDY);
Assert.AreEqual(weatherData.CurrentWeather.Humidity, 0.96);
}
public void GetWeatherDataForCity_Throws_WhenTheRawResponseIsNull()
{
_darkSkyService = new DarkSkyService(_weatherDataRetrieverToReturnEmpty, _darkSkyConfigurationManager);
Assert.ThrowsAsync <ArgumentNullException>(() => _darkSkyService.GetWeatherDataForCity(city));
}
public void GetWeatherDataForCity_Throws_WhenCityIsNull()
{
_darkSkyService = new DarkSkyService(_weatherDataRetriever, _darkSkyConfigurationManager);
Assert.ThrowsAsync <ArgumentNullException>(() => _darkSkyService.GetWeatherDataForCity(null));
}
