public void Should_Retrieve_Weather_When_SettingsChangedEvent_Received()
{
const string ZIP_CODE = "90210";
var settingsChangedEvent = CreateEvent<SettingsChangedEvent<WeatherSettings>>();
var service = Mock<IWeatherService>();
var weatherSettings = new WeatherSettings {ZipCode = ZIP_CODE};
service.Expect(s => s.GetLatestWeatherReport(Arg<string>.Is.Equal(ZIP_CODE), Arg<UnitsSystems>.Is.Equal(UnitsSystems.Imperial))).Repeat.Once();
CreateSUT(service);
settingsChangedEvent.Publish(weatherSettings);
service.VerifyAllExpectations();
}
public WeatherViewModel(IRepository<WeatherSettings> repository, IWeatherService weatherService,
IEventAggregator eventAggregator)
{
EventAggregator = eventAggregator;
_weatherService = weatherService;
_weatherService.WeatherRetrieved += (s, e) => WeatherReport = e.Payload;
_weatherSettings = repository.Load();
GetLatestWeather();
var timer = new DispatcherTimer
{
Interval = new TimeSpan(0, 1, 0, 0)
};
timer.Tick += OnTimerElapsed;
timer.Start();
SubscribeToEvents();
}
private void OnSettingsChangedEvent(WeatherSettings weatherSettings)
{
_weatherSettings = weatherSettings;
GetLatestWeather();
}