laipower/wp-content/plugins/w3-total-cache/vendor/guzzlehttp/guzzle/tests/RetryMiddlewareTest.php

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<?php
namespace GuzzleHttp\Tests;
use GuzzleHttp\Client;
use GuzzleHttp\Handler\MockHandler;
use GuzzleHttp\Middleware;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Response;
use GuzzleHttp\RetryMiddleware;
use PHPUnit\Framework\TestCase;
class RetryMiddlewareTest extends TestCase
{
public function testRetriesWhenDeciderReturnsTrue()
{
$delayCalls = 0;
$calls = [];
$decider = function ($retries, $request, $response, $error) use (&$calls) {
$calls[] = func_get_args();
return count($calls) < 3;
};
$delay = function ($retries, $response) use (&$delayCalls) {
$delayCalls++;
self::assertSame($retries, $delayCalls);
self::assertInstanceOf(Response::class, $response);
return 1;
};
$m = Middleware::retry($decider, $delay);
$h = new MockHandler([new Response(200), new Response(201), new Response(202)]);
$f = $m($h);
$c = new Client(['handler' => $f]);
$p = $c->sendAsync(new Request('GET', 'http://test.com'), []);
$p->wait();
self::assertCount(3, $calls);
self::assertSame(2, $delayCalls);
self::assertSame(202, $p->wait()->getStatusCode());
}
public function testDoesNotRetryWhenDeciderReturnsFalse()
{
$decider = function () {
return false;
};
$m = Middleware::retry($decider);
$h = new MockHandler([new Response(200)]);
$c = new Client(['handler' => $m($h)]);
$p = $c->sendAsync(new Request('GET', 'http://test.com'), []);
self::assertSame(200, $p->wait()->getStatusCode());
}
public function testCanRetryExceptions()
{
$calls = [];
$decider = function ($retries, $request, $response, $error) use (&$calls) {
$calls[] = func_get_args();
return $error instanceof \Exception;
};
$m = Middleware::retry($decider);
$h = new MockHandler([new \Exception(), new Response(201)]);
$c = new Client(['handler' => $m($h)]);
$p = $c->sendAsync(new Request('GET', 'http://test.com'), []);
self::assertSame(201, $p->wait()->getStatusCode());
self::assertCount(2, $calls);
self::assertSame(0, $calls[0][0]);
self::assertNull($calls[0][2]);
self::assertInstanceOf('Exception', $calls[0][3]);
self::assertSame(1, $calls[1][0]);
self::assertInstanceOf(Response::class, $calls[1][2]);
self::assertNull($calls[1][3]);
}
public function testBackoffCalculateDelay()
{
self::assertSame(0, RetryMiddleware::exponentialDelay(0));
self::assertSame(1000, RetryMiddleware::exponentialDelay(1));
self::assertSame(2000, RetryMiddleware::exponentialDelay(2));
self::assertSame(4000, RetryMiddleware::exponentialDelay(3));
self::assertSame(8000, RetryMiddleware::exponentialDelay(4));
}
}