private void PlayPauseCommandAction()
{
if (CommandText.Equals(PLAY_COMMAND))
{
if (_stopped)
{
_stopped = false;
_audioPlayerService.PlayFromFile("Galway.mp3");
}
else
{
_audioPlayerService.Play();
}
CommandText = PAUSE_COMMAND;
}
else
{
_audioPlayerService.Pause();
CommandText = PLAY_COMMAND;
}
}
private T ValidateCommand<T>() where T : CommandResult
{
if (_inCommands.Count == 0)
return null;
if (_commandIndex >= _inCommands.Count)
return null;
if (string.IsNullOrEmpty(CommandText))
throw new CommandValidationException("CommandText is null or empty", this);
var expected = _inCommands[_commandIndex];
if (!string.IsNullOrEmpty(expected.CommandText) && !CommandText.Equals(expected.CommandText))
throw new CommandValidationException(
"CommandText differs (expected, actual): \r\n" + expected.CommandText + "\r\n" + CommandText, this);
// We should validate parameters
if (expected.Parameters != null)
{
var max = Math.Max(expected.Parameters.Count, Parameters.Count);
var msg = "Parameter validation failed.\r\n";
var failed = false;
for (var i = 0; i < max; i++)
{
if (i >= expected.Parameters.Count)
{
msg += string.Format("Parameter '{0}': Did not expect this parameter, got value: '{1}'\r\n",
Parameters[i].ParameterName,
Parameters[i].Value);
failed = true;
}
else if (i >= Parameters.Count)
{
msg += string.Format("Parameter '{0}': Expected value '{1}', parameter was not specified\r\n",
expected.Parameters[i].ParameterName,
expected.Parameters[i].Value);
failed = true;
}
else if (!expected.Parameters[i].Value.Equals(Parameters[i].Value))
{
msg += string.Format("Parameter '{0}': Expected: '{1}', got: '{2}'\r\n",
expected.Parameters[i].ParameterName, expected.Parameters[i].Value,
Parameters[i].Value);
failed = true;
}
else
{
msg += string.Format("Parameter '{0}': Correct.\r\n", expected.Parameters[i].ParameterName);
}
}
if (failed)
throw new CommandValidationException(msg, this);
}
var casted = expected as T;
if (casted == null)
throw new InvalidOperationException(
string.Format("Expected Setup() command with index {0} to be of type '{1}'.", _commandIndex,
typeof(T).Name));
++_commandIndex;
return casted;
}
