public void CalculateVelocity_CalculatingVelocity_VelocityIsCorrect(int seconds, int meters, double expectedVelocity)
{
var timeSpan = new TimeSpan(0, 0, seconds);
_fakeTimeSpanCalculator.CalculateTimeDifference(Arg.Any <DateTime>(), Arg.Any <DateTime>()).Returns(timeSpan);
_fakeDistanceCalculator
.CalculateDistance(Arg.Any <double>(), Arg.Any <double>(), Arg.Any <double>(), Arg.Any <double>())
.Returns(meters);
Track newTrack = new Track();
Track oldTrack = new Track();
_uut.CalculateVelocity(oldTrack, newTrack);
Assert.That(newTrack.HorizontalVelocity, Is.EqualTo(expectedVelocity));
}
public void CalculateVelocity(Track oldTrack, Track newTrack)
{
newTrack.HorizontalVelocity = Calculate(_distanceCalculator.CalculateDistance(oldTrack.XCoordinate, newTrack.XCoordinate, oldTrack.YCoordinate, newTrack.YCoordinate), _timeSpanCalculator.CalculateTimeDifference(oldTrack.TimeStamp, newTrack.TimeStamp));
}
