public IInputProvider Generate(InputProviderTypes inputProviderType)
{
if (!Enum.IsDefined(typeof(InputProviderTypes), inputProviderType))
{
throw new InputProviderNotValidException(inputProviderType.ToString());
}
IInputProvider inputProvider;
switch (inputProviderType)
{
case InputProviderTypes.Console:
inputProvider = _inputProviders.FirstOrDefault(p => p is IConsoleInputProvider);
break;
case InputProviderTypes.File:
inputProvider = _inputProviders.FirstOrDefault(p => p is IFileInputProvider);
break;
default:
throw new DevelopmentException($"There is uncovered switch-case state [{inputProviderType.ToString()}]");
}
if (inputProvider == null)
{
throw new DevelopmentException($"There is no predefined {nameof(IInputProvider)} for {inputProviderType}");
}
return(inputProvider);
}
public IInputProvider Generate(InputProviderTypes inputProviderType)
{
if (!Enum.IsDefined(typeof(InputProviderTypes), inputProviderType))
{
throw new NotValidException($"Input provider type is not valid ({inputProviderType.ToString()})", null);
}
var inputProvider = inputProviderType switch
{
InputProviderTypes.Console => _inputProviders.FirstOrDefault(p => p is IConsoleInputProvider),
_ => throw new Exception($"Input provider type not found [{inputProviderType.ToString()}]")
};
if (inputProvider == null)
{
throw new Exception($"No predefined {nameof(IInputProvider)} for {inputProviderType}");
}
return(inputProvider);
}
}
private static void Main()
{
AppDomain.CurrentDomain.UnhandledException += UnhandledExceptionHandler;
IServiceCollection serviceCollection = new ServiceCollection();
serviceCollection.AddSingleton <IFileProcessor, BasicFileProcessor>();
serviceCollection.AddTransient <IStreamReader, BasicStreamReader>();
serviceCollection.AddSingleton <IVehicleFactory, VehicleFactory>();
serviceCollection.AddImplementedTypes <IVehicleBuilder>(ServiceLifetime.Singleton, typeof(IVehicleBuilder).Assembly);
serviceCollection.AddSingleton <IVehicleContextFactory, VehicleContextFactory>();
serviceCollection.AddSingleton <ISurfaceBuilderFactory, SurfaceBuilderFactory>();
serviceCollection.AddImplementedTypes <ISurfaceBuilder>(ServiceLifetime.Singleton, typeof(ISurfaceBuilder).Assembly);
serviceCollection.AddTransient <IInputProviderFactory, InputProviderFactory>();
serviceCollection.AddImplementedTypes <IInputProvider>(ServiceLifetime.Transient, typeof(IInputProvider).Assembly);
serviceCollection.AddSingleton <IVehicleActionProvider, BulkStringVehicleActionProvider>();
using (ServiceProvider serviceProvider = serviceCollection.BuildServiceProvider())
{
InputProviderTypes inputProviderType = SelectInputProviderType();
var inputProviderFactory = serviceProvider.GetRequiredService <IInputProviderFactory>();
IInputProvider inputProvider = inputProviderFactory.Generate(inputProviderType);
var surfaceBuilderFactory = serviceProvider.GetRequiredService <ISurfaceBuilderFactory>();
var vehicleFactory = serviceProvider.GetRequiredService <IVehicleFactory>();
var vehicleContextFactory = serviceProvider.GetRequiredService <IVehicleContextFactory>();
var vehicleActionProvider = serviceProvider.GetRequiredService <IVehicleActionProvider>();
string inputProviderArgument = GetInputProviderArgument(inputProvider);
Input input = inputProvider.Provide(inputProviderArgument);
ISurfaceBuilder surfaceBuilder = surfaceBuilderFactory.Generate(typeof(Plateau));
Surface surface = surfaceBuilder.Build(input.SurfaceParameter);
foreach ((string vehicleParameter, string moveCommandParameter) in input.VehicleAndCommandsParameterList)
{
IVehicleContext vehicleContext;
Vehicle movable = vehicleFactory.Generate(VehicleTypes.Rover, vehicleParameter);
try
{
vehicleContext = vehicleContextFactory.Generate(surface, movable);
}
catch (VehicleDeployException)
{
Console.WriteLine($"Rover could not land on surface");
continue;
}
IEnumerable <VehicleActions> vehicleActions = vehicleActionProvider.Provide(moveCommandParameter);
try
{
foreach (VehicleActions action in vehicleActions)
{
vehicleContext.Move(action);
}
Console.WriteLine(vehicleContext.Vehicle.ToString());
}
catch (VehicleConnectionLostException)
{
Console.WriteLine($"Connection lost. Rover is not on surface anymore");
}
}
Exit(0);
}
}
public void WhenParametersAreValid_And_InputProviderIsFound__ResponseShouldNotBeNull(InputProviderTypes inputProviderType, Type expectedType)
{
var sut = new InputProviderFactory(new List <IInputProvider>
{
new Mock <IFileInputProvider>().Object,
new Mock <IConsoleInputProvider>().Object
});
IInputProvider inputProvider = sut.Generate(inputProviderType);
Assert.NotNull(inputProvider);
Assert.True(expectedType.IsInstanceOfType(inputProvider));
}