public async Task GetWeatherForecastAsync_ReturnsNull_WhenAnExceptionOccurs()
{
var config = new ExternalServicesConfig {
Url = "http://www.example.com", MinsToCache = 0
};
var mockOptions = new Mock <IOptionsMonitor <ExternalServicesConfig> >();
mockOptions.Setup(x => x.Get(It.IsAny <string>())).Returns(config);
var client = new HttpClient(new ExceptionHandler());
var sut = new WeatherApiClient(client, mockOptions.Object, NullLogger <WeatherApiClient> .Instance);
var result = await sut.GetWeatherForecastAsync();
Assert.Null(result);
}
public async Task GetWeatherForecastAsync_ReturnsWeatherApiResult_WhenHttpRequestSucceeds()
{
var config = new ExternalServicesConfig {
Url = "http://www.example.com", MinsToCache = 0
};
var mockOptions = new Mock <IOptionsMonitor <ExternalServicesConfig> >();
mockOptions.Setup(x => x.Get(It.IsAny <string>())).Returns(config);
var client = new HttpClient(new SuccessHandler());
var sut = new WeatherApiClient(client, mockOptions.Object, NullLogger <WeatherApiClient> .Instance);
var result = await sut.GetWeatherForecastAsync();
Assert.IsType <WeatherApiResult>(result);
Assert.Equal("London", result.City);
}