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<?php
namespace Engelsystem\Test\Unit\Middleware;
use Engelsystem\Http\Exceptions\HttpException;
use Engelsystem\Http\Response;
use Engelsystem\Middleware\ErrorHandler;
use Engelsystem\Test\Unit\Middleware\Stub\ReturnResponseMiddlewareHandler;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Twig_LoaderInterface as TwigLoader;
class ErrorHandlerTest extends TestCase
{
/**
* @covers \Engelsystem\Middleware\ErrorHandler::__construct
* @covers \Engelsystem\Middleware\ErrorHandler::process
* @covers \Engelsystem\Middleware\ErrorHandler::selectView
*/
public function testProcess()
{
/** @var TwigLoader|MockObject $twigLoader */
$twigLoader = $this->createMock(TwigLoader::class);
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
/** @var ResponseInterface|MockObject $psrResponse */
$psrResponse = $this->getMockForAbstractClass(ResponseInterface::class);
$returnResponseHandler = new ReturnResponseMiddlewareHandler($psrResponse);
$psrResponse->expects($this->once())
->method('getStatusCode')
->willReturn(505);
$psrResponse->expects($this->once())
->method('getHeader')
->with('content-type')
->willReturn([]);
$errorHandler = new ErrorHandler($twigLoader);
$return = $errorHandler->process($request, $returnResponseHandler);
$this->assertEquals($psrResponse, $return, 'Plain PSR-7 Response should be passed directly');
/** @var Response|MockObject $response */
$response = $this->createMock(Response::class);
$response->expects($this->exactly(4))
->method('getStatusCode')
->willReturnOnConsecutiveCalls(
200,
418,
505,
505
);
$response->expects($this->exactly(4))
->method('getHeader')
->willReturnOnConsecutiveCalls(
[],
[],
[],
['application/json']
);
$returnResponseHandler->setResponse($response);
$return = $errorHandler->process($request, $returnResponseHandler);
$this->assertEquals($response, $return, 'Only Responses >= 400 should be processed');
$twigLoader->expects($this->exactly(4))
->method('exists')
->withConsecutive(
['errors/418'],
['errors/4'],
['errors/400'],
['errors/505']
)
->willReturnOnConsecutiveCalls(
false,
false,
false,
true
);
$response->expects($this->exactly(2))
->method('getContent')
->willReturnOnConsecutiveCalls(
'Teapot',
'Internal Error!'
);
$response->expects($this->exactly(2))
->method('withView')
->withConsecutive(
['errors/default', ['status' => 418, 'content' => 'Teapot'], 418],
['errors/505', ['status' => 505, 'content' => 'Internal Error!'], 505]
)
->willReturn($response);
$errorHandler->process($request, $returnResponseHandler);
$errorHandler->process($request, $returnResponseHandler);
$errorHandler->process($request, $returnResponseHandler);
}
/**
* @covers \Engelsystem\Middleware\ErrorHandler::process
*/
public function testProcessException()
{
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
/** @var ResponseInterface|MockObject $psrResponse */
$psrResponse = $this->getMockForAbstractClass(ResponseInterface::class);
/** @var ReturnResponseMiddlewareHandler|MockObject $returnResponseHandler */
$returnResponseHandler = $this->getMockBuilder(ReturnResponseMiddlewareHandler::class)
->disableOriginalConstructor()
->getMock();
$psrResponse->expects($this->once())
->method('getStatusCode')
->willReturn(300);
$psrResponse->expects($this->once())
->method('getHeader')
->with('content-type')
->willReturn([]);
$returnResponseHandler->expects($this->once())
->method('handle')
->willReturnCallback(function () {
throw new HttpException(300, 'Some response', ['lor' => 'em']);
});
/** @var ErrorHandler|MockObject $errorHandler */
$errorHandler = $this->getMockBuilder(ErrorHandler::class)
->disableOriginalConstructor()
->setMethods(['createResponse'])
->getMock();
$errorHandler->expects($this->once())
->method('createResponse')
->with('Some response', 300, ['lor' => 'em'])
->willReturn($psrResponse);
$return = $errorHandler->process($request, $returnResponseHandler);
$this->assertEquals($psrResponse, $return);
}
/**
* @covers \Engelsystem\Middleware\ErrorHandler::process
*/
public function testProcessContentTypeSniffer()
{
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
/** @var TwigLoader|MockObject $twigLoader */
$twigLoader = $this->createMock(TwigLoader::class);
$response = new Response('<!DOCTYPE html><html><body><h1>Hi!</h1></body></html>', 500);
$returnResponseHandler = new ReturnResponseMiddlewareHandler($response);
/** @var ErrorHandler|MockObject $errorHandler */
$errorHandler = new ErrorHandler($twigLoader);
$return = $errorHandler->process($request, $returnResponseHandler);
$this->assertEquals($response, $return);
}
}
|
