public function testNegotiationException()
{
$this->setExpectedException(TelnetExceptionInterface::class);
$socket = m::mock(Socket::class)->shouldReceive('read')->andThrow(\Exception::class)->getMock();
$iac = new InterpretAsCommand();
$iac->interpret(chr(255), $socket);
}
/**
* @param string $prompt
*
* @return \Graze\TelnetClient\TelnetResponseInterface
* @throws TelnetExceptionInterface
*/
protected function getResponse($prompt = null)
{
$isError = false;
$buffer = '';
do {
// process one character at a time
try {
$character = $this->socket->read(1);
} catch (Exception $e) {
throw new TelnetException('failed reading from socket', 0, $e);
}
if (in_array($character, [$this->NULL, $this->DC1])) {
break;
}
if ($this->interpretAsCommand->interpret($character, $this->socket)) {
continue;
}
$buffer .= $character;
// check for prompt
if ($this->promptMatcher->isMatch($prompt ?: $this->prompt, $buffer, $this->lineEnding)) {
break;
}
// check for error prompt
if ($this->promptMatcher->isMatch($this->promptError, $buffer, $this->lineEnding)) {
$isError = true;
break;
}
} while (true);
return new TelnetResponse($isError, $this->promptMatcher->getResponseText(), $this->promptMatcher->getMatches());
}