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<?php
namespace GuzzleHttp\Tests\Ring\Client;
use GuzzleHttp\Ring\Client\StreamHandler;
use GuzzleHttp\Ring\Core;
/**
* Class uses to control the test webserver.
*
* Queued responses will be served to requests using a FIFO order. All requests
* received by the server are stored on the node.js server and can be retrieved
* by calling {@see Server::received()}.
*
* Mock responses that don't require data to be transmitted over HTTP a great
* for testing. Mock response, however, cannot test the actual sending of an
* HTTP request using cURL. This test server allows the simulation of any
* number of HTTP request response transactions to test the actual sending of
* requests over the wire without having to leave an internal network.
*/
class Server
{
public static $started;
public static $url = 'http://127.0.0.1:8125/';
public static $host = '127.0.0.1:8125';
public static $port = 8125;
/**
* Flush the received requests from the server
* @throws \RuntimeException
*/
public static function flush()
{
self::send('DELETE', '/guzzle-server/requests');
}
/**
* Queue an array of responses or a single response on the server.
*
* Any currently queued responses will be overwritten. Subsequent requests
* on the server will return queued responses in FIFO order.
*
* @param array $responses An array of responses. The shape of a response
* is the shape described in the RingPHP spec.
* @throws \Exception
*/
public static function enqueue(array $responses)
{
$data = [];
foreach ($responses as $response) {
if (!is_array($response)) {
throw new \Exception('Each response must be an array');
}
if (isset($response['body'])) {
$response['body'] = base64_encode($response['body']);
}
$response += ['headers' => [], 'reason' => '', 'body' => ''];
$data[] = $response;
}
self::send('PUT', '/guzzle-server/responses', json_encode($data));
}
/**
* Get all of the received requests as a RingPHP request structure.
*
* @return array
* @throws \RuntimeException
*/
public static function received()
{
if (!self::$started) {
return [];
}
$response = self::send('GET', '/guzzle-server/requests');
$body = Core::body($response);
$result = json_decode($body, true);
if ($result === false) {
throw new \RuntimeException('Error decoding response: '
. json_last_error());
}
foreach ($result as &$res) {
if (isset($res['uri'])) {
$res['resource'] = $res['uri'];
}
if (isset($res['query_string'])) {
$res['resource'] .= '?' . $res['query_string'];
}
if (!isset($res['resource'])) {
$res['resource'] = '';
}
// Ensure that headers are all arrays
if (isset($res['headers'])) {
foreach ($res['headers'] as &$h) {
$h = (array) $h;
}
unset($h);
}
}
unset($res);
return $result;
}
/**
* Stop running the node.js server
*/
public static function stop()
{
if (self::$started) {
self::send('DELETE', '/guzzle-server');
}
self::$started = false;
}
public static function wait($maxTries = 20)
{
$tries = 0;
while (!self::isListening() && ++$tries < $maxTries) {
usleep(100000);
}
if (!self::isListening()) {
throw new \RuntimeException('Unable to contact node.js server');
}
}
public static function start()
{
if (self::$started) {
return;
}
try {
self::wait();
} catch (\Exception $e) {
exec('node ' . __DIR__ . \DIRECTORY_SEPARATOR . 'server.js '
. self::$port . ' >> /tmp/server.log 2>&1 &');
self::wait();
}
self::$started = true;
}
private static function isListening()
{
$response = self::send('GET', '/guzzle-server/perf', null, [
'connect_timeout' => 1,
'timeout' => 1
]);
return !isset($response['error']);
}
private static function send(
$method,
$path,
$body = null,
array $client = []
) {
$handler = new StreamHandler();
$request = [
'http_method' => $method,
'uri' => $path,
'request_port' => 8125,
'headers' => ['host' => ['127.0.0.1:8125']],
'body' => $body,
'client' => $client,
];
if ($body) {
$request['headers']['content-length'] = [strlen($body)];
}
return $handler($request);
}
}