resume/tests/Silex/Tests/ExceptionHandlerTest.php

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2016-07-02 10:58:30 -07:00
<?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 Silex\Application;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
/**
* Error handler test cases.
*
* @author Igor Wiedler <igor@wiedler.ch>
*/
class ExceptionHandlerTest extends \PHPUnit_Framework_TestCase
{
public function testExceptionHandlerExceptionNoDebug()
{
$app = new Application();
$app['debug'] = false;
$app->match('/foo', function () {
throw new \RuntimeException('foo exception');
});
$request = Request::create('/foo');
$response = $app->handle($request);
$this->assertContains('<h1>Whoops, looks like something went wrong.</h1>', $response->getContent());
$this->assertEquals(500, $response->getStatusCode());
}
public function testExceptionHandlerExceptionDebug()
{
$app = new Application();
$app['debug'] = true;
$app->match('/foo', function () {
throw new \RuntimeException('foo exception');
});
$request = Request::create('/foo');
$response = $app->handle($request);
$this->assertContains('foo exception', $response->getContent());
$this->assertEquals(500, $response->getStatusCode());
}
public function testExceptionHandlerNotFoundNoDebug()
{
$app = new Application();
$app['debug'] = false;
$request = Request::create('/foo');
$response = $app->handle($request);
$this->assertContains('<h1>Sorry, the page you are looking for could not be found.</h1>', $response->getContent());
$this->assertEquals(404, $response->getStatusCode());
}
public function testExceptionHandlerNotFoundDebug()
{
$app = new Application();
$app['debug'] = true;
$request = Request::create('/foo');
$response = $app->handle($request);
$this->assertContains('No route found for "GET /foo"', html_entity_decode($response->getContent()));
$this->assertEquals(404, $response->getStatusCode());
}
public function testExceptionHandlerMethodNotAllowedNoDebug()
{
$app = new Application();
$app['debug'] = false;
$app->get('/foo', function () { return 'foo'; });
$request = Request::create('/foo', 'POST');
$response = $app->handle($request);
$this->assertContains('<h1>Whoops, looks like something went wrong.</h1>', $response->getContent());
$this->assertEquals(405, $response->getStatusCode());
$this->assertEquals('GET', $response->headers->get('Allow'));
}
public function testExceptionHandlerMethodNotAllowedDebug()
{
$app = new Application();
$app['debug'] = true;
$app->get('/foo', function () { return 'foo'; });
$request = Request::create('/foo', 'POST');
$response = $app->handle($request);
$this->assertContains('No route found for "POST /foo": Method Not Allowed (Allow: GET)', html_entity_decode($response->getContent()));
$this->assertEquals(405, $response->getStatusCode());
$this->assertEquals('GET', $response->headers->get('Allow'));
}
public function testNoExceptionHandler()
{
$app = new Application();
unset($app['exception_handler']);
$app->match('/foo', function () {
throw new \RuntimeException('foo exception');
});
try {
$request = Request::create('/foo');
$app->handle($request);
$this->fail('->handle() should not catch exceptions where no error handler was supplied');
} catch (\RuntimeException $e) {
$this->assertEquals('foo exception', $e->getMessage());
}
}
public function testOneExceptionHandler()
{
$app = new Application();
$app->match('/500', function () {
throw new \RuntimeException('foo exception');
});
$app->match('/404', function () {
throw new NotFoundHttpException('foo exception');
});
$app->get('/405', function () { return 'foo'; });
$app->error(function ($e, $code) {
return new Response('foo exception handler');
});
$response = $this->checkRouteResponse($app, '/500', 'foo exception handler');
$this->assertEquals(500, $response->getStatusCode());
$response = $app->handle(Request::create('/404'));
$this->assertEquals(404, $response->getStatusCode());
$response = $app->handle(Request::create('/405', 'POST'));
$this->assertEquals(405, $response->getStatusCode());
$this->assertEquals('GET', $response->headers->get('Allow'));
}
public function testMultipleExceptionHandlers()
{
$app = new Application();
$app->match('/foo', function () {
throw new \RuntimeException('foo exception');
});
$errors = 0;
$app->error(function ($e) use (&$errors) {
++$errors;
});
$app->error(function ($e) use (&$errors) {
++$errors;
});
$app->error(function ($e) use (&$errors) {
++$errors;
return new Response('foo exception handler');
});
$app->error(function ($e) use (&$errors) {
// should not execute
++$errors;
});
$request = Request::create('/foo');
$this->checkRouteResponse($app, '/foo', 'foo exception handler', 'should return the first response returned by an exception handler');
$this->assertEquals(3, $errors, 'should execute error handlers until a response is returned');
}
public function testNoResponseExceptionHandler()
{
$app = new Application();
unset($app['exception_handler']);
$app->match('/foo', function () {
throw new \RuntimeException('foo exception');
});
$errors = 0;
$app->error(function ($e) use (&$errors) {
++$errors;
});
try {
$request = Request::create('/foo');
$app->handle($request);
$this->fail('->handle() should not catch exceptions where an empty error handler was supplied');
} catch (\RuntimeException $e) {
$this->assertEquals('foo exception', $e->getMessage());
} catch (\LogicException $e) {
$this->assertEquals('foo exception', $e->getPrevious()->getMessage());
}
$this->assertEquals(1, $errors, 'should execute the error handler');
}
public function testStringResponseExceptionHandler()
{
$app = new Application();
$app->match('/foo', function () {
throw new \RuntimeException('foo exception');
});
$app->error(function ($e) {
return 'foo exception handler';
});
$request = Request::create('/foo');
$this->checkRouteResponse($app, '/foo', 'foo exception handler', 'should accept a string response from the error handler');
}
public function testExceptionHandlerException()
{
$app = new Application();
$app->match('/foo', function () {
throw new \RuntimeException('foo exception');
});
$app->error(function ($e) {
throw new \RuntimeException('foo exception handler exception');
});
try {
$request = Request::create('/foo');
$app->handle($request);
$this->fail('->handle() should not catch exceptions thrown from an error handler');
} catch (\RuntimeException $e) {
$this->assertEquals('foo exception handler exception', $e->getMessage());
}
}
public function testRemoveExceptionHandlerAfterDispatcherAccess()
{
$app = new Application();
$app->match('/foo', function () {
throw new \RuntimeException('foo exception');
});
$app->before(function () {
// just making sure the dispatcher gets created
});
unset($app['exception_handler']);
try {
$request = Request::create('/foo');
$app->handle($request);
$this->fail('default exception handler should have been removed');
} catch (\RuntimeException $e) {
$this->assertEquals('foo exception', $e->getMessage());
}
}
public function testExceptionHandlerWithDefaultException()
{
$app = new Application();
$app['debug'] = false;
$app->match('/foo', function () {
throw new \Exception();
});
$app->error(function (\Exception $e) {
return new Response('Exception thrown', 500);
});
$request = Request::create('/foo');
$response = $app->handle($request);
$this->assertContains('Exception thrown', $response->getContent());
$this->assertEquals(500, $response->getStatusCode());
}
public function testExceptionHandlerWithStandardException()
{
$app = new Application();
$app['debug'] = false;
$app->match('/foo', function () {
// Throw a normal exception
throw new \Exception();
});
// Register 2 error handlers, each with a specified Exception class
// Since we throw a standard Exception above only
// the second error handler should fire
$app->error(function (\LogicException $e) { // Extends \Exception
return 'Caught LogicException';
});
$app->error(function (\Exception $e) {
return 'Caught Exception';
});
$request = Request::create('/foo');
$response = $app->handle($request);
$this->assertContains('Caught Exception', $response->getContent());
}
public function testExceptionHandlerWithSpecifiedException()
{
$app = new Application();
$app['debug'] = false;
$app->match('/foo', function () {
// Throw a specified exception
throw new \LogicException();
});
// Register 2 error handlers, each with a specified Exception class
// Since we throw a LogicException above
// the first error handler should fire
$app->error(function (\LogicException $e) { // Extends \Exception
return 'Caught LogicException';
});
$app->error(function (\Exception $e) {
return 'Caught Exception';
});
$request = Request::create('/foo');
$response = $app->handle($request);
$this->assertContains('Caught LogicException', $response->getContent());
}
public function testExceptionHandlerWithSpecifiedExceptionInReverseOrder()
{
$app = new Application();
$app['debug'] = false;
$app->match('/foo', function () {
// Throw a specified exception
throw new \LogicException();
});
// Register the \Exception error handler first, since the
// error handler works with an instanceof mechanism the
// second more specific error handler should not fire since
// the \Exception error handler is registered first and also
// captures all exceptions that extend it
$app->error(function (\Exception $e) {
return 'Caught Exception';
});
$app->error(function (\LogicException $e) { // Extends \Exception
return 'Caught LogicException';
});
$request = Request::create('/foo');
$response = $app->handle($request);
$this->assertContains('Caught Exception', $response->getContent());
}
public function testExceptionHandlerWithArrayStyleCallback()
{
$app = new Application();
$app['debug'] = false;
$app->match('/foo', function () {
throw new \Exception();
});
// Array style callback for error handler
$app->error(array($this, 'exceptionHandler'));
$request = Request::create('/foo');
$response = $app->handle($request);
$this->assertContains('Caught Exception', $response->getContent());
}
protected function checkRouteResponse($app, $path, $expectedContent, $method = 'get', $message = null)
{
$request = Request::create($path, $method);
$response = $app->handle($request);
$this->assertEquals($expectedContent, $response->getContent(), $message);
return $response;
}
public function exceptionHandler()
{
return 'Caught Exception';
}
}