public Task Should_Check_For_Correct_Command_Type()
{
return(Assert.ThrowsAnyAsync <ArgumentException>(async() =>
{
var commandHandler = new TestCommandHandler(_testOutputHelper);
var registration = new CommandHandlerRegistration();
registration.Register(() => (ICommandHandler <DoSomethingCommand>)commandHandler);
CommandHandlerDelegate commandHandlerDelegate = registration.ResolveCommandHandler <DoSomethingCommand>();
Assert.NotNull(commandHandlerDelegate);
try
{
// This delegate handles DoSomethingCommand, but was passed in a DoSomethingWithCancellationCommand.
await commandHandlerDelegate.Invoke(new DoSomethingForSpecifiedDurationCommand(100));
}
catch (Exception ex)
{
_testOutputHelper.WriteLine(ex.ToString());
throw;
}
}));
}
public static void HandleChat(WorldSession session, ClientChat chat)
{
if (chat.Message.StartsWith("!"))
{
CommandManager.ParseCommand(chat.Message, out string command, out string[] parameters);
CommandHandlerDelegate handler = CommandManager.GetCommandHandler(command);
handler?.Invoke(session, parameters);
}
}
private static void Main()
{
Directory.SetCurrentDirectory(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location));
Console.Title = Title;
log.Info("Initialising...");
ConfigurationManager <WorldServerConfiguration> .Initialise("WorldServer.json");
DatabaseManager.Initialise(ConfigurationManager <WorldServerConfiguration> .Config.Database);
GameTableManager.Initialise();
EntityManager.Initialise();
EntityCommandManager.Initialise();
AssetManager.Initialise();
ServerManager.Initialise();
MessageManager.Initialise();
CommandManager.Initialise();
NetworkManager <WorldSession> .Initialise(ConfigurationManager <WorldServerConfiguration> .Config.Network);
WorldManager.Initialise(lastTick =>
{
NetworkManager <WorldSession> .Update(lastTick);
MapManager.Update(lastTick);
});
log.Info("Ready!");
while (true)
{
Console.Write(">> ");
string line = Console.ReadLine();
CommandManager.ParseCommand(line, out string command, out string[] parameters);
CommandHandlerDelegate handler = CommandManager.GetCommandHandler(command);
if (handler != null)
{
try
{
handler.Invoke(null, parameters);
}
catch (Exception exception)
{
log.Error(exception);
}
}
else
{
Console.WriteLine("Invalid command!");
}
}
}
public static void HandleChat(WorldSession session, ClientChat chat)
{
if (chat.Message.StartsWith(CommandPrefix))
{
try
{
CommandManager.ParseCommand(chat.Message, out string command, out string[] parameters);
CommandHandlerDelegate handler = CommandManager.GetCommandHandler(command);
handler?.Invoke(session, parameters);
}
catch (Exception e)
{
log.Warn(e.Message);
}
}
}
/// <summary>
/// Dispatch the command to the registered command handler asynchronously.
/// </summary>
/// <typeparam name="TCommand">Type of command to dispatch.</typeparam>
/// <param name="command">Command to dispatch.</param>
/// <param name="cancellationToken">Optional cancellation token to support cancellation in command handlers.</param>
/// <returns>Asynchronous task which completes after the command handler has processed the command.</returns>
public Task DispatchAsync <TCommand>(TCommand command, CancellationToken cancellationToken = default(CancellationToken)) where TCommand : class, ICommand
{
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
CommandHandlerDelegate commandHandlerDelegate = _resolver.ResolveCommandHandler <TCommand>();
if (commandHandlerDelegate == null)
{
Type commandType = typeof(TCommand);
throw new NoCommandHandlerResolvedException($"No command handler is registered to handle command of type: {commandType.Name}.", commandType);
}
return(commandHandlerDelegate.Invoke(command, cancellationToken));
}
public void Should_Register_All_Command_Handlers()
{
var commandHandler = new TestCommandHandler(_testOutputHelper);
var registration = new CommandHandlerRegistration();
registration.Register(() => (ICommandHandler <DoSomethingCommand>)commandHandler);
CommandHandlerDelegate commandHandlerDelegate = registration.ResolveCommandHandler <DoSomethingCommand>();
Assert.NotNull(commandHandlerDelegate);
// Delegate should invoke the actual command handler - TestCommandHandler.
commandHandlerDelegate.Invoke(new DoSomethingCommand());
Assert.Equal(1, commandHandler.HandledCommands.Count);
Assert.Contains(commandHandler.HandledCommands, c => c is DoSomethingCommand);
}
public async Task Should_Invoke_The_Actual_Registered_Command_Handler()
{
var commandHandler = new TestCommandHandler(_testOutputHelper);
var registration = new CommandHandlerRegistration();
registration.Register(() => (ICommandHandler <DoSomethingCommand>)commandHandler);
CommandHandlerDelegate commandHandlerDelegate = registration.ResolveCommandHandler <DoSomethingCommand>();
Assert.NotNull(commandHandlerDelegate);
// Invoke.
await commandHandlerDelegate.Invoke(new DoSomethingCommand());
// Check if actual command handler instance was invoked.
Assert.Equal(1, commandHandler.HandledCommands.Count);
Assert.Contains(commandHandler.HandledCommands, c => c is DoSomethingCommand);
}
public void Should_Register_All_Command_Handlers()
{
var container = new Container();
container.Register <ICommandHandler <DoSomethingCommand> >(() => new TestCommandHandler(_testOutputHelper), Lifestyle.Singleton);
var containerAdapter = new SimpleInjectorContainerAdapter(container);
var resolver = new ContainerCommandHandlerResolver(containerAdapter);
CommandHandlerDelegate commandHandlerDelegate = resolver.ResolveCommandHandler <DoSomethingCommand>();
// Delegate should invoke the actual command handler - TestCommandHandler.
commandHandlerDelegate.Invoke(new DoSomethingCommand());
// Get instance from container to see if it was invoked.
var registeredCommandHandler = (TestCommandHandler)container.GetInstance <ICommandHandler <DoSomethingCommand> >();
Assert.Equal(1, registeredCommandHandler.HandledCommands.Count);
Assert.Contains(registeredCommandHandler.HandledCommands, c => c is DoSomethingCommand);
}