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vendor/symfony/http-kernel/Tests/Fragment/EsiFragmentRendererTest.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\Fragment;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpKernel\Fragment\EsiFragmentRenderer;
+use Symfony\Component\HttpKernel\HttpCache\Esi;
+use Symfony\Component\HttpKernel\UriSigner;
+
+class EsiFragmentRendererTest extends TestCase
+{
+    public function testRenderFallbackToInlineStrategyIfEsiNotSupported()
+    {
+        $strategy = new EsiFragmentRenderer(new Esi(), $this->getInlineStrategy(true));
+        $strategy->render('/', Request::create('/'));
+    }
+
+    public function testRenderFallbackWithScalar()
+    {
+        $strategy = new EsiFragmentRenderer(new Esi(), $this->getInlineStrategy(true), new UriSigner('foo'));
+        $request = Request::create('/');
+        $reference = new ControllerReference('main_controller', ['foo' => [true]], []);
+        $strategy->render($reference, $request);
+    }
+
+    public function testRender()
+    {
+        $strategy = new EsiFragmentRenderer(new Esi(), $this->getInlineStrategy());
+
+        $request = Request::create('/');
+        $request->setLocale('fr');
+        $request->headers->set('Surrogate-Capability', 'ESI/1.0');
+
+        $this->assertEquals('<esi:include src="/" />', $strategy->render('/', $request)->getContent());
+        $this->assertEquals("<esi:comment text=\"This is a comment\" />\n<esi:include src=\"/\" />", $strategy->render('/', $request, ['comment' => 'This is a comment'])->getContent());
+        $this->assertEquals('<esi:include src="/" alt="foo" />', $strategy->render('/', $request, ['alt' => 'foo'])->getContent());
+    }
+
+    public function testRenderControllerReference()
+    {
+        $signer = new UriSigner('foo');
+        $strategy = new EsiFragmentRenderer(new Esi(), $this->getInlineStrategy(), $signer);
+
+        $request = Request::create('/');
+        $request->setLocale('fr');
+        $request->headers->set('Surrogate-Capability', 'ESI/1.0');
+
+        $reference = new ControllerReference('main_controller', [], []);
+        $altReference = new ControllerReference('alt_controller', [], []);
+
+        $this->assertEquals(
+            '<esi:include src="/_fragment?_hash=Jz1P8NErmhKTeI6onI1EdAXTB85359MY3RIk5mSJ60w%3D&_path=_format%3Dhtml%26_locale%3Dfr%26_controller%3Dmain_controller" alt="/_fragment?_hash=iPJEdRoUpGrM1ztqByiorpfMPtiW%2FOWwdH1DBUXHhEc%3D&_path=_format%3Dhtml%26_locale%3Dfr%26_controller%3Dalt_controller" />',
+            $strategy->render($reference, $request, ['alt' => $altReference])->getContent()
+        );
+    }
+
+    public function testRenderControllerReferenceWithoutSignerThrowsException()
+    {
+        $this->expectException('LogicException');
+        $strategy = new EsiFragmentRenderer(new Esi(), $this->getInlineStrategy());
+
+        $request = Request::create('/');
+        $request->setLocale('fr');
+        $request->headers->set('Surrogate-Capability', 'ESI/1.0');
+
+        $strategy->render(new ControllerReference('main_controller'), $request);
+    }
+
+    public function testRenderAltControllerReferenceWithoutSignerThrowsException()
+    {
+        $this->expectException('LogicException');
+        $strategy = new EsiFragmentRenderer(new Esi(), $this->getInlineStrategy());
+
+        $request = Request::create('/');
+        $request->setLocale('fr');
+        $request->headers->set('Surrogate-Capability', 'ESI/1.0');
+
+        $strategy->render('/', $request, ['alt' => new ControllerReference('alt_controller')]);
+    }
+
+    private function getInlineStrategy($called = false)
+    {
+        $inline = $this->getMockBuilder('Symfony\Component\HttpKernel\Fragment\InlineFragmentRenderer')->disableOriginalConstructor()->getMock();
+
+        if ($called) {
+            $inline->expects($this->once())->method('render');
+        }
+
+        return $inline;
+    }
+}

vendor/symfony/http-kernel/Tests/Fragment/FragmentHandlerTest.php

@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\Fragment;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Fragment\FragmentHandler;
+
+/**
+ * @group time-sensitive
+ */
+class FragmentHandlerTest extends TestCase
+{
+    private $requestStack;
+
+    protected function setUp(): void
+    {
+        $this->requestStack = $this->getMockBuilder('Symfony\\Component\\HttpFoundation\\RequestStack')
+            ->disableOriginalConstructor()
+            ->getMock()
+        ;
+        $this->requestStack
+            ->expects($this->any())
+            ->method('getCurrentRequest')
+            ->willReturn(Request::create('/'))
+        ;
+    }
+
+    public function testRenderWhenRendererDoesNotExist()
+    {
+        $this->expectException('InvalidArgumentException');
+        $handler = new FragmentHandler($this->requestStack);
+        $handler->render('/', 'foo');
+    }
+
+    public function testRenderWithUnknownRenderer()
+    {
+        $this->expectException('InvalidArgumentException');
+        $handler = $this->getHandler($this->returnValue(new Response('foo')));
+
+        $handler->render('/', 'bar');
+    }
+
+    public function testDeliverWithUnsuccessfulResponse()
+    {
+        $this->expectException('RuntimeException');
+        $this->expectExceptionMessage('Error when rendering "http://localhost/" (Status code is 404).');
+        $handler = $this->getHandler($this->returnValue(new Response('foo', 404)));
+
+        $handler->render('/', 'foo');
+    }
+
+    public function testRender()
+    {
+        $handler = $this->getHandler($this->returnValue(new Response('foo')), ['/', Request::create('/'), ['foo' => 'foo', 'ignore_errors' => true]]);
+
+        $this->assertEquals('foo', $handler->render('/', 'foo', ['foo' => 'foo']));
+    }
+
+    protected function getHandler($returnValue, $arguments = [])
+    {
+        $renderer = $this->getMockBuilder('Symfony\Component\HttpKernel\Fragment\FragmentRendererInterface')->getMock();
+        $renderer
+            ->expects($this->any())
+            ->method('getName')
+            ->willReturn('foo')
+        ;
+        $e = $renderer
+            ->expects($this->any())
+            ->method('render')
+            ->will($returnValue)
+        ;
+
+        if ($arguments) {
+            $e->with(...$arguments);
+        }
+
+        $handler = new FragmentHandler($this->requestStack);
+        $handler->addRenderer($renderer);
+
+        return $handler;
+    }
+}

vendor/symfony/http-kernel/Tests/Fragment/HIncludeFragmentRendererTest.php

@@ -0,0 +1,99 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\Fragment;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpKernel\Fragment\HIncludeFragmentRenderer;
+use Symfony\Component\HttpKernel\UriSigner;
+use Twig\Environment;
+use Twig\Loader\ArrayLoader;
+
+class HIncludeFragmentRendererTest extends TestCase
+{
+    public function testRenderExceptionWhenControllerAndNoSigner()
+    {
+        $this->expectException('LogicException');
+        $strategy = new HIncludeFragmentRenderer();
+        $strategy->render(new ControllerReference('main_controller', [], []), Request::create('/'));
+    }
+
+    public function testRenderWithControllerAndSigner()
+    {
+        $strategy = new HIncludeFragmentRenderer(null, new UriSigner('foo'));
+
+        $this->assertEquals('<hx:include src="/_fragment?_hash=BP%2BOzCD5MRUI%2BHJpgPDOmoju00FnzLhP3TGcSHbbBLs%3D&amp;_path=_format%3Dhtml%26_locale%3Den%26_controller%3Dmain_controller"></hx:include>', $strategy->render(new ControllerReference('main_controller', [], []), Request::create('/'))->getContent());
+    }
+
+    public function testRenderWithUri()
+    {
+        $strategy = new HIncludeFragmentRenderer();
+        $this->assertEquals('<hx:include src="/foo"></hx:include>', $strategy->render('/foo', Request::create('/'))->getContent());
+
+        $strategy = new HIncludeFragmentRenderer(null, new UriSigner('foo'));
+        $this->assertEquals('<hx:include src="/foo"></hx:include>', $strategy->render('/foo', Request::create('/'))->getContent());
+    }
+
+    public function testRenderWithDefault()
+    {
+        // only default
+        $strategy = new HIncludeFragmentRenderer();
+        $this->assertEquals('<hx:include src="/foo">default</hx:include>', $strategy->render('/foo', Request::create('/'), ['default' => 'default'])->getContent());
+
+        // only global default
+        $strategy = new HIncludeFragmentRenderer(null, null, 'global_default');
+        $this->assertEquals('<hx:include src="/foo">global_default</hx:include>', $strategy->render('/foo', Request::create('/'), [])->getContent());
+
+        // global default and default
+        $strategy = new HIncludeFragmentRenderer(null, null, 'global_default');
+        $this->assertEquals('<hx:include src="/foo">default</hx:include>', $strategy->render('/foo', Request::create('/'), ['default' => 'default'])->getContent());
+    }
+
+    public function testRenderWithAttributesOptions()
+    {
+        // with id
+        $strategy = new HIncludeFragmentRenderer();
+        $this->assertEquals('<hx:include src="/foo" id="bar">default</hx:include>', $strategy->render('/foo', Request::create('/'), ['default' => 'default', 'id' => 'bar'])->getContent());
+
+        // with attributes
+        $strategy = new HIncludeFragmentRenderer();
+        $this->assertEquals('<hx:include src="/foo" p1="v1" p2="v2">default</hx:include>', $strategy->render('/foo', Request::create('/'), ['default' => 'default', 'attributes' => ['p1' => 'v1', 'p2' => 'v2']])->getContent());
+
+        // with id & attributes
+        $strategy = new HIncludeFragmentRenderer();
+        $this->assertEquals('<hx:include src="/foo" p1="v1" p2="v2" id="bar">default</hx:include>', $strategy->render('/foo', Request::create('/'), ['default' => 'default', 'id' => 'bar', 'attributes' => ['p1' => 'v1', 'p2' => 'v2']])->getContent());
+    }
+
+    public function testRenderWithTwigAndDefaultText()
+    {
+        $twig = new Environment($loader = new ArrayLoader());
+        $strategy = new HIncludeFragmentRenderer($twig);
+        $this->assertEquals('<hx:include src="/foo">loading...</hx:include>', $strategy->render('/foo', Request::create('/'), ['default' => 'loading...'])->getContent());
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testRenderWithDefaultTextLegacy()
+    {
+        $engine = $this->getMockBuilder('Symfony\\Component\\Templating\\EngineInterface')->getMock();
+        $engine->expects($this->once())
+            ->method('exists')
+            ->with('default')
+            ->willThrowException(new \InvalidArgumentException());
+
+        // only default
+        $strategy = new HIncludeFragmentRenderer($engine);
+        $this->assertEquals('<hx:include src="/foo">default</hx:include>', $strategy->render('/foo', Request::create('/'), ['default' => 'default'])->getContent());
+    }
+}

vendor/symfony/http-kernel/Tests/Fragment/InlineFragmentRendererTest.php

@@ -0,0 +1,280 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\Fragment;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpKernel\Event\ExceptionEvent;
+use Symfony\Component\HttpKernel\Fragment\InlineFragmentRenderer;
+use Symfony\Component\HttpKernel\HttpKernel;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
+
+class InlineFragmentRendererTest extends TestCase
+{
+    public function testRender()
+    {
+        $strategy = new InlineFragmentRenderer($this->getKernel($this->returnValue(new Response('foo'))));
+
+        $this->assertEquals('foo', $strategy->render('/', Request::create('/'))->getContent());
+    }
+
+    public function testRenderWithControllerReference()
+    {
+        $strategy = new InlineFragmentRenderer($this->getKernel($this->returnValue(new Response('foo'))));
+
+        $this->assertEquals('foo', $strategy->render(new ControllerReference('main_controller', [], []), Request::create('/'))->getContent());
+    }
+
+    public function testRenderWithObjectsAsAttributes()
+    {
+        $object = new \stdClass();
+
+        $subRequest = Request::create('/_fragment?_path=_format%3Dhtml%26_locale%3Den%26_controller%3Dmain_controller');
+        $subRequest->attributes->replace(['object' => $object, '_format' => 'html', '_controller' => 'main_controller', '_locale' => 'en']);
+        $subRequest->headers->set('x-forwarded-for', ['127.0.0.1']);
+        $subRequest->headers->set('forwarded', ['for="127.0.0.1";host="localhost";proto=http']);
+        $subRequest->server->set('HTTP_X_FORWARDED_FOR', '127.0.0.1');
+        $subRequest->server->set('HTTP_FORWARDED', 'for="127.0.0.1";host="localhost";proto=http');
+
+        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest($subRequest));
+
+        $this->assertSame('foo', $strategy->render(new ControllerReference('main_controller', ['object' => $object], []), Request::create('/'))->getContent());
+    }
+
+    public function testRenderWithTrustedHeaderDisabled()
+    {
+        Request::setTrustedProxies([], 0);
+
+        $expectedSubRequest = Request::create('/');
+        $expectedSubRequest->headers->set('x-forwarded-for', ['127.0.0.1']);
+        $expectedSubRequest->server->set('HTTP_X_FORWARDED_FOR', '127.0.0.1');
+
+        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest($expectedSubRequest));
+        $this->assertSame('foo', $strategy->render('/', Request::create('/'))->getContent());
+
+        Request::setTrustedProxies([], -1);
+    }
+
+    public function testRenderExceptionNoIgnoreErrors()
+    {
+        $this->expectException('RuntimeException');
+        $dispatcher = $this->getMockBuilder(EventDispatcherInterface::class)->getMock();
+        $dispatcher->expects($this->never())->method('dispatch');
+
+        $strategy = new InlineFragmentRenderer($this->getKernel($this->throwException(new \RuntimeException('foo'))), $dispatcher);
+
+        $this->assertEquals('foo', $strategy->render('/', Request::create('/'))->getContent());
+    }
+
+    public function testRenderExceptionIgnoreErrors()
+    {
+        $exception = new \RuntimeException('foo');
+        $kernel = $this->getKernel($this->throwException($exception));
+        $request = Request::create('/');
+        $expectedEvent = new ExceptionEvent($kernel, $request, $kernel::SUB_REQUEST, $exception);
+        $dispatcher = $this->getMockBuilder(EventDispatcherInterface::class)->getMock();
+        $dispatcher->expects($this->once())->method('dispatch')->with($expectedEvent, KernelEvents::EXCEPTION);
+
+        $strategy = new InlineFragmentRenderer($kernel, $dispatcher);
+
+        $this->assertEmpty($strategy->render('/', $request, ['ignore_errors' => true])->getContent());
+    }
+
+    public function testRenderExceptionIgnoreErrorsWithAlt()
+    {
+        $strategy = new InlineFragmentRenderer($this->getKernel($this->onConsecutiveCalls(
+            $this->throwException(new \RuntimeException('foo')),
+            $this->returnValue(new Response('bar'))
+        )));
+
+        $this->assertEquals('bar', $strategy->render('/', Request::create('/'), ['ignore_errors' => true, 'alt' => '/foo'])->getContent());
+    }
+
+    private function getKernel($returnValue)
+    {
+        $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\HttpKernelInterface')->getMock();
+        $kernel
+            ->expects($this->any())
+            ->method('handle')
+            ->will($returnValue)
+        ;
+
+        return $kernel;
+    }
+
+    public function testExceptionInSubRequestsDoesNotMangleOutputBuffers()
+    {
+        $controllerResolver = $this->getMockBuilder('Symfony\\Component\\HttpKernel\\Controller\\ControllerResolverInterface')->getMock();
+        $controllerResolver
+            ->expects($this->once())
+            ->method('getController')
+            ->willReturn(function () {
+                ob_start();
+                echo 'bar';
+                throw new \RuntimeException();
+            })
+        ;
+
+        $argumentResolver = $this->getMockBuilder('Symfony\\Component\\HttpKernel\\Controller\\ArgumentResolverInterface')->getMock();
+        $argumentResolver
+            ->expects($this->once())
+            ->method('getArguments')
+            ->willReturn([])
+        ;
+
+        $kernel = new HttpKernel(new EventDispatcher(), $controllerResolver, new RequestStack(), $argumentResolver);
+        $renderer = new InlineFragmentRenderer($kernel);
+
+        // simulate a main request with output buffering
+        ob_start();
+        echo 'Foo';
+
+        // simulate a sub-request with output buffering and an exception
+        $renderer->render('/', Request::create('/'), ['ignore_errors' => true]);
+
+        $this->assertEquals('Foo', ob_get_clean());
+    }
+
+    public function testLocaleAndFormatAreIsKeptInSubrequest()
+    {
+        $expectedSubRequest = Request::create('/');
+        $expectedSubRequest->attributes->set('_format', 'foo');
+        $expectedSubRequest->setLocale('fr');
+        if (Request::HEADER_X_FORWARDED_FOR & Request::getTrustedHeaderSet()) {
+            $expectedSubRequest->headers->set('x-forwarded-for', ['127.0.0.1']);
+            $expectedSubRequest->server->set('HTTP_X_FORWARDED_FOR', '127.0.0.1');
+        }
+        $expectedSubRequest->headers->set('forwarded', ['for="127.0.0.1";host="localhost";proto=http']);
+        $expectedSubRequest->server->set('HTTP_FORWARDED', 'for="127.0.0.1";host="localhost";proto=http');
+
+        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest($expectedSubRequest));
+
+        $request = Request::create('/');
+        $request->attributes->set('_format', 'foo');
+        $request->setLocale('fr');
+        $strategy->render('/', $request);
+    }
+
+    public function testESIHeaderIsKeptInSubrequest()
+    {
+        $expectedSubRequest = Request::create('/');
+        $expectedSubRequest->headers->set('Surrogate-Capability', 'abc="ESI/1.0"');
+
+        if (Request::HEADER_X_FORWARDED_FOR & Request::getTrustedHeaderSet()) {
+            $expectedSubRequest->headers->set('x-forwarded-for', ['127.0.0.1']);
+            $expectedSubRequest->server->set('HTTP_X_FORWARDED_FOR', '127.0.0.1');
+        }
+        $expectedSubRequest->headers->set('forwarded', ['for="127.0.0.1";host="localhost";proto=http']);
+        $expectedSubRequest->server->set('HTTP_FORWARDED', 'for="127.0.0.1";host="localhost";proto=http');
+
+        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest($expectedSubRequest));
+
+        $request = Request::create('/');
+        $request->headers->set('Surrogate-Capability', 'abc="ESI/1.0"');
+        $strategy->render('/', $request);
+    }
+
+    public function testESIHeaderIsKeptInSubrequestWithTrustedHeaderDisabled()
+    {
+        Request::setTrustedProxies([], Request::HEADER_FORWARDED);
+
+        $this->testESIHeaderIsKeptInSubrequest();
+
+        Request::setTrustedProxies([], -1);
+    }
+
+    public function testHeadersPossiblyResultingIn304AreNotAssignedToSubrequest()
+    {
+        $expectedSubRequest = Request::create('/');
+        $expectedSubRequest->headers->set('x-forwarded-for', ['127.0.0.1']);
+        $expectedSubRequest->headers->set('forwarded', ['for="127.0.0.1";host="localhost";proto=http']);
+        $expectedSubRequest->server->set('HTTP_X_FORWARDED_FOR', '127.0.0.1');
+        $expectedSubRequest->server->set('HTTP_FORWARDED', 'for="127.0.0.1";host="localhost";proto=http');
+
+        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest($expectedSubRequest));
+        $request = Request::create('/', 'GET', [], [], [], ['HTTP_IF_MODIFIED_SINCE' => 'Fri, 01 Jan 2016 00:00:00 GMT', 'HTTP_IF_NONE_MATCH' => '*']);
+        $strategy->render('/', $request);
+    }
+
+    public function testFirstTrustedProxyIsSetAsRemote()
+    {
+        Request::setTrustedProxies(['1.1.1.1'], -1);
+
+        $expectedSubRequest = Request::create('/');
+        $expectedSubRequest->headers->set('Surrogate-Capability', 'abc="ESI/1.0"');
+        $expectedSubRequest->server->set('REMOTE_ADDR', '127.0.0.1');
+        $expectedSubRequest->headers->set('x-forwarded-for', ['127.0.0.1']);
+        $expectedSubRequest->headers->set('forwarded', ['for="127.0.0.1";host="localhost";proto=http']);
+        $expectedSubRequest->server->set('HTTP_X_FORWARDED_FOR', '127.0.0.1');
+        $expectedSubRequest->server->set('HTTP_FORWARDED', 'for="127.0.0.1";host="localhost";proto=http');
+
+        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest($expectedSubRequest));
+
+        $request = Request::create('/');
+        $request->headers->set('Surrogate-Capability', 'abc="ESI/1.0"');
+        $strategy->render('/', $request);
+
+        Request::setTrustedProxies([], -1);
+    }
+
+    public function testIpAddressOfRangedTrustedProxyIsSetAsRemote()
+    {
+        $expectedSubRequest = Request::create('/');
+        $expectedSubRequest->headers->set('Surrogate-Capability', 'abc="ESI/1.0"');
+        $expectedSubRequest->server->set('REMOTE_ADDR', '127.0.0.1');
+        $expectedSubRequest->headers->set('x-forwarded-for', ['127.0.0.1']);
+        $expectedSubRequest->headers->set('forwarded', ['for="127.0.0.1";host="localhost";proto=http']);
+        $expectedSubRequest->server->set('HTTP_X_FORWARDED_FOR', '127.0.0.1');
+        $expectedSubRequest->server->set('HTTP_FORWARDED', 'for="127.0.0.1";host="localhost";proto=http');
+
+        Request::setTrustedProxies(['1.1.1.1/24'], -1);
+
+        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest($expectedSubRequest));
+
+        $request = Request::create('/');
+        $request->headers->set('Surrogate-Capability', 'abc="ESI/1.0"');
+        $strategy->render('/', $request);
+
+        Request::setTrustedProxies([], -1);
+    }
+
+    /**
+     * Creates a Kernel expecting a request equals to $request
+     * Allows delta in comparison in case REQUEST_TIME changed by 1 second.
+     */
+    private function getKernelExpectingRequest(Request $request, $strict = false)
+    {
+        $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\HttpKernelInterface')->getMock();
+        $kernel
+            ->expects($this->once())
+            ->method('handle')
+            ->with($this->equalTo($request, 1))
+            ->willReturn(new Response('foo'));
+
+        return $kernel;
+    }
+}
+
+class Bar
+{
+    public $bar = 'bar';
+
+    public function getBar()
+    {
+        return $this->bar;
+    }
+}

vendor/symfony/http-kernel/Tests/Fragment/RoutableFragmentRendererTest.php

@@ -0,0 +1,94 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\Fragment;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+
+class RoutableFragmentRendererTest extends TestCase
+{
+    /**
+     * @dataProvider getGenerateFragmentUriData
+     */
+    public function testGenerateFragmentUri($uri, $controller)
+    {
+        $this->assertEquals($uri, $this->callGenerateFragmentUriMethod($controller, Request::create('/')));
+    }
+
+    /**
+     * @dataProvider getGenerateFragmentUriData
+     */
+    public function testGenerateAbsoluteFragmentUri($uri, $controller)
+    {
+        $this->assertEquals('http://localhost'.$uri, $this->callGenerateFragmentUriMethod($controller, Request::create('/'), true));
+    }
+
+    public function getGenerateFragmentUriData()
+    {
+        return [
+            ['/_fragment?_path=_format%3Dhtml%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', [], [])],
+            ['/_fragment?_path=_format%3Dxml%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', ['_format' => 'xml'], [])],
+            ['/_fragment?_path=foo%3Dfoo%26_format%3Djson%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', ['foo' => 'foo', '_format' => 'json'], [])],
+            ['/_fragment?bar=bar&_path=foo%3Dfoo%26_format%3Dhtml%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', ['foo' => 'foo'], ['bar' => 'bar'])],
+            ['/_fragment?foo=foo&_path=_format%3Dhtml%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', [], ['foo' => 'foo'])],
+            ['/_fragment?_path=foo%255B0%255D%3Dfoo%26foo%255B1%255D%3Dbar%26_format%3Dhtml%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', ['foo' => ['foo', 'bar']], [])],
+        ];
+    }
+
+    public function testGenerateFragmentUriWithARequest()
+    {
+        $request = Request::create('/');
+        $request->attributes->set('_format', 'json');
+        $request->setLocale('fr');
+        $controller = new ControllerReference('controller', [], []);
+
+        $this->assertEquals('/_fragment?_path=_format%3Djson%26_locale%3Dfr%26_controller%3Dcontroller', $this->callGenerateFragmentUriMethod($controller, $request));
+    }
+
+    /**
+     * @dataProvider getGenerateFragmentUriDataWithNonScalar
+     */
+    public function testGenerateFragmentUriWithNonScalar($controller)
+    {
+        $this->expectException('LogicException');
+        $this->callGenerateFragmentUriMethod($controller, Request::create('/'));
+    }
+
+    public function getGenerateFragmentUriDataWithNonScalar()
+    {
+        return [
+            [new ControllerReference('controller', ['foo' => new Foo(), 'bar' => 'bar'], [])],
+            [new ControllerReference('controller', ['foo' => ['foo' => 'foo'], 'bar' => ['bar' => new Foo()]], [])],
+        ];
+    }
+
+    private function callGenerateFragmentUriMethod(ControllerReference $reference, Request $request, $absolute = false)
+    {
+        $renderer = $this->getMockForAbstractClass('Symfony\Component\HttpKernel\Fragment\RoutableFragmentRenderer');
+        $r = new \ReflectionObject($renderer);
+        $m = $r->getMethod('generateFragmentUri');
+        $m->setAccessible(true);
+
+        return $m->invoke($renderer, $reference, $request, $absolute);
+    }
+}
+
+class Foo
+{
+    public $foo;
+
+    public function getFoo()
+    {
+        return $this->foo;
+    }
+}

vendor/symfony/http-kernel/Tests/Fragment/SsiFragmentRendererTest.php

@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\Fragment;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpKernel\Fragment\SsiFragmentRenderer;
+use Symfony\Component\HttpKernel\HttpCache\Ssi;
+use Symfony\Component\HttpKernel\UriSigner;
+
+class SsiFragmentRendererTest extends TestCase
+{
+    public function testRenderFallbackToInlineStrategyIfSsiNotSupported()
+    {
+        $strategy = new SsiFragmentRenderer(new Ssi(), $this->getInlineStrategy(true));
+        $strategy->render('/', Request::create('/'));
+    }
+
+    public function testRender()
+    {
+        $strategy = new SsiFragmentRenderer(new Ssi(), $this->getInlineStrategy());
+
+        $request = Request::create('/');
+        $request->setLocale('fr');
+        $request->headers->set('Surrogate-Capability', 'SSI/1.0');
+
+        $this->assertEquals('<!--#include virtual="/" -->', $strategy->render('/', $request)->getContent());
+        $this->assertEquals('<!--#include virtual="/" -->', $strategy->render('/', $request, ['comment' => 'This is a comment'])->getContent(), 'Strategy options should not impact the ssi include tag');
+    }
+
+    public function testRenderControllerReference()
+    {
+        $signer = new UriSigner('foo');
+        $strategy = new SsiFragmentRenderer(new Ssi(), $this->getInlineStrategy(), $signer);
+
+        $request = Request::create('/');
+        $request->setLocale('fr');
+        $request->headers->set('Surrogate-Capability', 'SSI/1.0');
+
+        $reference = new ControllerReference('main_controller', [], []);
+        $altReference = new ControllerReference('alt_controller', [], []);
+
+        $this->assertEquals(
+            '<!--#include virtual="/_fragment?_hash=Jz1P8NErmhKTeI6onI1EdAXTB85359MY3RIk5mSJ60w%3D&_path=_format%3Dhtml%26_locale%3Dfr%26_controller%3Dmain_controller" -->',
+            $strategy->render($reference, $request, ['alt' => $altReference])->getContent()
+        );
+    }
+
+    public function testRenderControllerReferenceWithoutSignerThrowsException()
+    {
+        $this->expectException('LogicException');
+        $strategy = new SsiFragmentRenderer(new Ssi(), $this->getInlineStrategy());
+
+        $request = Request::create('/');
+        $request->setLocale('fr');
+        $request->headers->set('Surrogate-Capability', 'SSI/1.0');
+
+        $strategy->render(new ControllerReference('main_controller'), $request);
+    }
+
+    public function testRenderAltControllerReferenceWithoutSignerThrowsException()
+    {
+        $this->expectException('LogicException');
+        $strategy = new SsiFragmentRenderer(new Ssi(), $this->getInlineStrategy());
+
+        $request = Request::create('/');
+        $request->setLocale('fr');
+        $request->headers->set('Surrogate-Capability', 'SSI/1.0');
+
+        $strategy->render('/', $request, ['alt' => new ControllerReference('alt_controller')]);
+    }
+
+    private function getInlineStrategy($called = false)
+    {
+        $inline = $this->getMockBuilder('Symfony\Component\HttpKernel\Fragment\InlineFragmentRenderer')->disableOriginalConstructor()->getMock();
+
+        if ($called) {
+            $inline->expects($this->once())->method('render');
+        }
+
+        return $inline;
+    }
+}