<?php
/*
* This file is part of the Silex framework.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Silex\Tests;
use PHPUnit\Framework\TestCase;
use Silex\Application;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
/**
* Middleware test cases.
*
* @author Igor Wiedler <igor@wiedler.ch>
*/
class MiddlewareTest extends TestCase
{
public function testBeforeAndAfterFilter()
{
$i = 0;
$test = $this;
$app = new Application();
$app->before(function () use (&$i, $test) {
$test->assertEquals(0, $i);
++$i;
});
$app->match('/foo', function () use (&$i, $test) {
$test->assertEquals(1, $i);
++$i;
});
$app->after(function () use (&$i, $test) {
$test->assertEquals(2, $i);
++$i;
});
$request = Request::create('/foo');
$app->handle($request);
$this->assertEquals(3, $i);
}
public function testAfterFilterWithResponseObject()
{
$i = 0;
$app = new Application();
$app->match('/foo', function () use (&$i) {
++$i;
return new Response('foo');
});
$app->after(function () use (&$i) {
++$i;
});
$request = Request::create('/foo');
$app->handle($request);
$this->assertEquals(2, $i);
}
public function testMultipleFilters()
{
$i = 0;
$test = $this;
$app = new Application();
$app->before(function () use (&$i, $test) {
$test->assertEquals(0, $i);
++$i;
});
$app->before(function () use (&$i, $test) {
$test->assertEquals(1, $i);
++$i;
});
$app->match('/foo', function () use (&$i, $test) {
$test->assertEquals(2, $i);
++$i;
});
$app->after(function () use (&$i, $test) {
$test->assertEquals(3, $i);
++$i;
});
$app->after(function () use (&$i, $test) {
$test->assertEquals(4, $i);
++$i;
});
$request = Request::create('/foo');
$app->handle($request);
$this->assertEquals(5, $i);
}
public function testFiltersShouldFireOnException()
{
$i = 0;
$app = new Application();
$app->before(function () use (&$i) {
++$i;
});
$app->match('/foo', function () {
throw new \RuntimeException();
});
$app->after(function () use (&$i) {
++$i;
});
$app->error(function () {
return 'error handled';
});
$request = Request::create('/foo');
$app->handle($request);
$this->assertEquals(2, $i);
}
public function testFiltersShouldFireOnHttpException()
{
$i = 0;
$app = new Application();
$app->before(function () use (&$i) {
++$i;
}, Application::EARLY_EVENT);
$app->after(function () use (&$i) {
++$i;
});
$app->error(function () {
return 'error handled';
});
$request = Request::create('/nowhere');
$app->handle($request);
$this->assertEquals(2, $i);
}
public function testBeforeFilterPreventsBeforeMiddlewaresToBeExecuted()
{
$app = new Application();
$app->before(function () { return new Response('app before'); });
$app->get('/', function () {
return new Response('test');
})->before(function () {
return new Response('middleware before');
});
$this->assertEquals('app before', $app->handle(Request::create('/'))->getContent());
}
public function testBeforeFilterExceptionsWhenHandlingAnException()
{
$app = new Application();
$app->before(function () { throw new \RuntimeException(''); });
// even if the before filter throws an exception, we must have the 404
$this->assertEquals(404, $app->handle(Request::create('/'))->getStatusCode());
}
public function testRequestShouldBePopulatedOnBefore()
{
$app = new Application();
$app->before(function (Request $request) use ($app) {
$app['project'] = $request->get('project');
});
$app->match('/foo/{project}', function () use ($app) {
return $app['project'];
});
$request = Request::create('/foo/bar');
$this->assertEquals('bar', $app->handle($request)->getContent());
$request = Request::create('/foo/baz');
$this->assertEquals('baz', $app->handle($request)->getContent());
}
public function testBeforeFilterAccessesRequestAndCanReturnResponse()
{
$app = new Application();
$app->before(function (Request $request) {
return new Response($request->get('name'));
});
$app->match('/', function () use ($app) { throw new \Exception('Should never be executed'); });
$request = Request::create('/?name=Fabien');
$this->assertEquals('Fabien', $app->handle($request)->getContent());
}
public function testAfterFilterAccessRequestResponse()
{
$app = new Application();
$app->after(function (Request $request, Response $response) {
$response->setContent($response->getContent().'---');
});
$app->match('/', function () { return new Response('foo'); });
$request = Request::create('/');
$this->assertEquals('foo---', $app->handle($request)->getContent());
}
public function testAfterFilterCanReturnResponse()
{
$app = new Application();
$app->after(function (Request $request, Response $response) {
return new Response('bar');
});
$app->match('/', function () { return new Response('foo'); });
$request = Request::create('/');
$this->assertEquals('bar', $app->handle($request)->getContent());
}
public function testRouteAndApplicationMiddlewareParameterInjection()
{
$app = new Application();
$test = $this;
$middlewareTarget = [];
$applicationBeforeMiddleware = function ($request, $app) use (&$middlewareTarget, $test) {
$test->assertInstanceOf('\Symfony\Component\HttpFoundation\Request', $request);
$test->assertInstanceOf('\Silex\Application', $app);
$middlewareTarget[] = 'application_before_middleware_triggered';
};
$applicationAfterMiddleware = function ($request, $response, $app) use (&$middlewareTarget, $test) {
$test->assertInstanceOf('\Symfony\Component\HttpFoundation\Request', $request);
$test->assertInstanceOf('\Symfony\Component\HttpFoundation\Response', $response);
$test->assertInstanceOf('\Silex\Application', $app);
$middlewareTarget[] = 'application_after_middleware_triggered';
};
$applicationFinishMiddleware = function ($request, $response, $app) use (&$middlewareTarget, $test) {
$test->assertInstanceOf('\Symfony\Component\HttpFoundation\Request', $request);
$test->assertInstanceOf('\Symfony\Component\HttpFoundation\Response', $response);
$test->assertInstanceOf('\Silex\Application', $app);
$middlewareTarget[] = 'application_finish_middleware_triggered';
};
$routeBeforeMiddleware = function ($request, $app) use (&$middlewareTarget, $test) {
$test->assertInstanceOf('\Symfony\Component\HttpFoundation\Request', $request);
$test->assertInstanceOf('\Silex\Application', $app);
$middlewareTarget[] = 'route_before_middleware_triggered';
};
$routeAfterMiddleware = function ($request, $response, $app) use (&$middlewareTarget, $test) {
$test->assertInstanceOf('\Symfony\Component\HttpFoundation\Request', $request);
$test->assertInstanceOf('\Symfony\Component\HttpFoundation\Response', $response);
$test->assertInstanceOf('\Silex\Application', $app);
$middlewareTarget[] = 'route_after_middleware_triggered';
};
$app->before($applicationBeforeMiddleware);
$app->after($applicationAfterMiddleware);
$app->finish($applicationFinishMiddleware);
$app->match('/', function () {
return new Response('foo');
})
->before($routeBeforeMiddleware)
->after($routeAfterMiddleware);
$request = Request::create('/');
$response = $app->handle($request);
$app->terminate($request, $response);
$this->assertSame(['application_before_middleware_triggered', 'route_before_middleware_triggered', 'route_after_middleware_triggered', 'application_after_middleware_triggered', 'application_finish_middleware_triggered'], $middlewareTarget);
}
}
