public void GetActivitiesByGeographyReturnsCorrectViewModel()
        {
            var mediator = new Mock<IMediator>();
            mediator.Setup(x => x.Send(It.IsAny<ActivitiesByGeographyQuery>())).Returns(new List<Activity>());

            var sut = new ActivityApiController(mediator.Object);
            var result = sut.GetActivitiesByGeography(It.IsAny<double>(), It.IsAny<double>(), It.IsAny<int>());

            Assert.IsType<List<ActivityViewModel>>(result);
        }
        public void GetActivitiesByGeographySendsActivitiesByGeographyQueryWithCorrectLatitudeLongitudeAndMiles()
        {
            const double latitude = 1;
            const double longitude = 2;
            const int miles = 100;

            var mediator = new Mock<IMediator>();
            mediator.Setup(x => x.Send(It.IsAny<ActivitiesByGeographyQuery>())).Returns(new List<Activity>());

            var sut = new ActivityApiController(mediator.Object);
            sut.GetActivitiesByGeography(latitude, longitude, miles);

            mediator.Verify(x => x.Send(It.Is<ActivitiesByGeographyQuery>(y => y.Latitude == latitude && y.Longitude == longitude && y.Miles == miles)));
        }