public async Task CalculatePriceAsync_WhenRideIsASoloRide_ReturnsTheCorrectPrice()
{
decimal distance = 10;
decimal calculatedPrice = 100;
_googleMapsApiService.GetDistanceInKmAsync(Arg.Any <string>(), Arg.Any <string>())
.ReturnsForAnyArgs(distance);
_soloRidePriceStrategy.CalculatePrice(distance).Returns(calculatedPrice);
_priceStrategyFactory.GetPriceStrategy(Arg.Any <RideType>()).Returns(_soloRidePriceStrategy);
decimal price = await _rideService.CalculatePriceAsync(_anAddress, _anAddress, RideType.SoloRide);
Assert.That(price, Is.EqualTo(calculatedPrice));
}
/// <summary>
/// Calculates the price of a ride between two addresses.
/// <remarks>
/// The algorithm deducts a discount if the ride is shared.<br/>
/// A solo ride costs the full price.
/// </remarks>
/// </summary>
/// <param name="first">The first address</param>
/// <param name="second">The second address</param>
/// <param name="type">The type of the ride</param>
/// <returns>The price of the ride.</returns>
public async Task <decimal> CalculatePriceAsync(Address first, Address second, RideType type)
{
var distance = await GetDistanceInKilometersAsync(first, second);
var priceStrategy = _priceStrategyFactory.GetPriceStrategy(type);
return(priceStrategy.CalculatePrice(distance));
}