private async void OnConnectionRequestReceived(
AppServiceConnection sender,
AppServiceRequestReceivedEventArgs args)
{
try
{
// Execute the command and get the response.
IServiceCommandResponse response;
if (!ServiceCommand.TryDeserializeFromValueSet(
args.Request.Message,
out IServiceCommand command,
out IServiceCommandResponse errorResponse))
{
response = errorResponse;
}
else
{
_logger.LogDebug($"Received command: {command.ToDebugString()}");
var commandExecutor = new CommandExecutor(_logger);
response = commandExecutor.Execute(command);
}
// Serialize the response to a ValueSet.
var returnValueSet = new ValueSet();
response.SerializeToValueSet(returnValueSet);
_logger.LogDebug($"Sending response: {response.ToDebugString()}");
// Return the data to the caller.
await args.Request.SendResponseAsync(returnValueSet);
}
public void TryDeserializeValueSet_should_correctly_deserialize_a_RegistryWriteIntValueCommand()
{
var valueSet = new Dictionary <string, object>
{
[ParamName.CommandName.ToString()] = ServiceCommandName.RegistryWriteIntValue.ToString(),
[ParamName.RegistryBaseKey.ToString()] = RegistryBaseKey.CurrentUser.ToString(),
[ParamName.RegistryKey.ToString()] = "Key",
[ParamName.RegistryValueName.ToString()] = "ValueName",
[ParamName.RegistryValue.ToString()] = 123
};
ServiceCommand.TryDeserializeFromValueSet(
valueSet,
out IServiceCommand command,
out IServiceCommandResponse errorResponse)
.Should()
.BeTrue();
command.Should().BeOfType <RegistryWriteIntValueCommand>();
errorResponse.Should().BeNull();
var typedCommand = (RegistryWriteIntValueCommand)command;
typedCommand.BaseKey.Should().Be(RegistryBaseKey.CurrentUser);
typedCommand.Key.Should().Be("Key");
typedCommand.ValueName.Should().Be("ValueName");
typedCommand.Value.Should().Be(123);
}
public void TryDeserializeFromValueSet_should_return_an_error_if_missing_the_command_name()
{
var valueSet = new Dictionary <string, object>
{
[ParamName.RegistryBaseKey.ToString()] = RegistryBaseKey.CurrentUser.ToString(),
[ParamName.RegistryKey.ToString()] = "Key",
[ParamName.RegistryValueName.ToString()] = "ValueName",
[ParamName.RegistryDefaultValue.ToString()] = 123
};
ServiceCommand.TryDeserializeFromValueSet(
valueSet,
out IServiceCommand command,
out IServiceCommandResponse errorResponse)
.Should()
.BeFalse();
command.Should().BeNull();
errorResponse.Should().NotBeNull();
errorResponse.CommandName.Should().Be(ServiceCommandName.Unknown);
}
public void TryDeserializeValueSet_should_return_an_error_if_missing_a_required_parameter()
{
var valueSet = new Dictionary <string, object>
{
[ParamName.CommandName.ToString()] = ServiceCommandName.RegistryReadIntValue.ToString(),
[ParamName.RegistryKey.ToString()] = "Key",
[ParamName.RegistryValueName.ToString()] = "ValueName",
[ParamName.RegistryDefaultValue.ToString()] = 123
};
ServiceCommand.TryDeserializeFromValueSet(
valueSet,
out IServiceCommand command,
out IServiceCommandResponse errorResponse)
.Should()
.BeFalse();
command.Should().BeNull();
errorResponse.Should().NotBeNull();
errorResponse.ErrorCode.Should().Be(ServiceCommandErrorCode.MissingRequiredMessageValue);
errorResponse.ErrorMessage.Should().Contain(ParamName.RegistryBaseKey.ToString());
}
public void TryDeserializeValueSet_should_throw_on_null_params()
{
Action action = () => ServiceCommand.TryDeserializeFromValueSet(null, out _, out _);
action.Should().ThrowExactly <ArgumentNullException>().And.ParamName.Should().Be("valueSet");
}