public void NullKeyThrowsException()
{
var dsClient = _factory.Create(WeatherFactory.DarkSkyServiceId, null);
Assert.ThrowsAsync <InvalidOperationException>(async() => await dsClient.GetCurrentWeather(AlcatrazLatitude, AlcatrazLongitude));
Assert.ThrowsAsync <InvalidOperationException>(async() => await dsClient.GetForecast(AlcatrazLatitude, AlcatrazLongitude));
Should.ThrowAsync <InvalidOperationException>(async() => await dsClient.GetWeatherByDate(AlcatrazLatitude, AlcatrazLongitude, DateTime.Today.AddDays(+1)));
var owClient = _factory.Create(WeatherFactory.OpenWeatherServiceId, null);
Assert.ThrowsAsync <InvalidOperationException>(async() => await owClient.GetCurrentWeather(AlcatrazLatitude, AlcatrazLongitude));
Assert.ThrowsAsync <InvalidOperationException>(async() => await owClient.GetForecast(AlcatrazLatitude, AlcatrazLongitude));
Should.ThrowAsync <InvalidOperationException>(async() => await owClient.GetWeatherByDate(AlcatrazLatitude, AlcatrazLongitude, DateTime.Today.AddDays(+1)));
}
