@Test
public void testPastWeatherInOporto(){

    // CountableRequest req = new CountableRequest(new HttpRequest());
    Request r = new HttpRequest();
    int[] count = {0};
    Request req = path -> {
        count[0]++;
        return r.getLines(path);
    };
    WeatherService service = new WeatherService(new WeatherWebApi(req));
    Iterable<Location> locals = service.search("oporto");
    Assert.assertEquals(1, count[0]);
    Iterable<WeatherInfo> oportoWeather = skip(locals, 1).iterator().next().getPast30daysWeather();
    int tempC = max(map(oportoWeather, WeatherInfo::getTempC));
    Assert.assertEquals(22, tempC);
    Assert.assertEquals(3, count[0]);
    count(locals); // + 6 requests of pastWeather for 6 locations
    Assert.assertEquals(9, count[0]);
}