shlink/module/Core/test/Middleware/QrCodeCacheMiddlewareTest.php

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<?php
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declare(strict_types=1);
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namespace ShlinkioTest\Shlink\Core\Middleware;
use Doctrine\Common\Cache\ArrayCache;
use Doctrine\Common\Cache\Cache;
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use PHPUnit\Framework\TestCase;
use Prophecy\Argument;
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use Psr\Http\Server\RequestHandlerInterface;
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use Shlinkio\Shlink\Core\Middleware\QrCodeCacheMiddleware;
use Zend\Diactoros\Response;
use Zend\Diactoros\ServerRequest;
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use Zend\Diactoros\Uri;
class QrCodeCacheMiddlewareTest extends TestCase
{
private QrCodeCacheMiddleware $middleware;
private Cache $cache;
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public function setUp(): void
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{
$this->cache = new ArrayCache();
$this->middleware = new QrCodeCacheMiddleware($this->cache);
}
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/** @test */
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public function noCachedPathFallsBackToNextMiddleware(): void
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{
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$delegate = $this->prophesize(RequestHandlerInterface::class);
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$delegate->handle(Argument::any())->willReturn(new Response())->shouldBeCalledOnce();
$this->middleware->process((new ServerRequest())->withUri(new Uri('/foo/bar')), $delegate->reveal());
$this->assertTrue($this->cache->contains('/foo/bar'));
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}
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/** @test */
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public function cachedPathReturnsCacheContent(): void
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{
$isCalled = false;
$uri = (new Uri())->withPath('/foo');
$this->cache->save('/foo', ['body' => 'the body', 'content-type' => 'image/png']);
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$delegate = $this->prophesize(RequestHandlerInterface::class);
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$resp = $this->middleware->process((new ServerRequest())->withUri($uri), $delegate->reveal());
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$this->assertFalse($isCalled);
$resp->getBody()->rewind();
$this->assertEquals('the body', $resp->getBody()->getContents());
$this->assertEquals('image/png', $resp->getHeaderLine('Content-Type'));
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$delegate->handle(Argument::any())->shouldHaveBeenCalledTimes(0);
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}
}