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<?php
namespace Jasny\ErrorHandler;
use Jasny\ErrorHandler;
use Jasny\ErrorHandler\Middleware;
use Jasny\HttpMessage\Response as Response;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;
use PHPUnit_Framework_MockObject_MockObject as MockObject;
use Jasny\TestHelper;
/**
* @covers Jasny\ErrorHandler\Middleware
*/
class MiddlewareTest extends \PHPUnit_Framework_TestCase
{
use TestHelper;
/**
* @var ErrorHandler|MockObject
*/
protected $errorHandler;
/**
* @var Middleware
*/
protected $middleware;
public function setUp()
{
$this->errorHandler = $this->getMockBuilder(ErrorHandler::class)
->setMethods(['errorReporting', 'errorGetLast', 'setErrorHandler', 'setExceptionHandler',
'registerShutdownFunction', 'clearOutputBuffer'])
->getMock();
$this->middleware = new Middleware($this->errorHandler);
}
/**
* Test invoke with invalid 'next' param
*
* @expectedException \InvalidArgumentException
*/
public function testInvokeInvalidNext()
{
$request = $this->createMock(ServerRequestInterface::class);
$response = $this->createMock(ResponseInterface::class);
$middleware = $this->middleware;
$middleware($request, $response, 'not callable');
}
/**
* Test case when there is no error
*/
public function testInvokeNoError()
{
$request = $this->createMock(ServerRequestInterface::class);
$response = $this->createMock(ResponseInterface::class);
$finalResponse = $this->createMock(ResponseInterface::class);
$next = $this->getMockBuilder(\stdClass::class)->setMethods(['__invoke'])->getMock();
$next->expects($this->once())->method('__invoke')
->with($request, $response)
->willReturn($finalResponse);
$middleware = $this->middleware;
$result = $middleware($request, $response, $next);
$this->assertSame($finalResponse, $result);
}
/**
* Test that Exception in 'next' callback is caught
*/
public function testInvokeCatchException()
{
$request = $this->createMock(ServerRequestInterface::class);
$response = $this->createMock(ResponseInterface::class);
$errorResponse = $this->createMock(ResponseInterface::class);
$stream = $this->createMock(StreamInterface::class);
$exception = $this->createMock(\Exception::class);
$stream->expects($this->once())->method('write')->with('An unexpected error occured');
$request->expects($this->once())->method('getProtocolVersion')->willReturn('1.1');
$response->expects($this->once())->method('withProtocolVersion')->with('1.1')->willReturnSelf();
$response->expects($this->once())->method('withStatus')->with(500)->willReturn($errorResponse);
$errorResponse->expects($this->once())->method('getBody')->willReturn($stream);
$next = $this->getMockBuilder(\stdClass::class)->setMethods(['__invoke'])->getMock();
$next->expects($this->once())->method('__invoke')
->with($request, $response)
->willThrowException($exception);
$errorHandler = $this->errorHandler;
$middleware = $this->middleware;
$result = $middleware($request, $response, $next);
$this->assertSame($errorResponse, $result);
$this->assertSame($exception, $errorHandler->getError());
}
/**
* Test that an error in 'next' callback is caught
*/
public function testInvokeCatchError()
{
if (!class_exists('Error')) {
$this->markTestSkipped(PHP_VERSION . " doesn't throw errors yet");
}
$request = $this->createMock(ServerRequestInterface::class);
$response = $this->createMock(ResponseInterface::class);
$errorResponse = $this->createMock(ResponseInterface::class);
$stream = $this->createMock(StreamInterface::class);
$stream->expects($this->once())->method('write')->with('An unexpected error occured');
$request->expects($this->once())->method('getProtocolVersion')->willReturn('1.1');
$response->expects($this->once())->method('withProtocolVersion')->with('1.1')->willReturnSelf();
$response->expects($this->once())->method('withStatus')->with(500)->willReturn($errorResponse);
$errorResponse->expects($this->once())->method('getBody')->willReturn($stream);
$next = $this->getMockBuilder(\stdClass::class)->setMethods(['__invoke'])->getMock();
$next->expects($this->once())->method('__invoke')
->with($request, $response)
->willReturnCallback(function() {
\this_function_does_not_exist();
});
$errorHandler = $this->errorHandler;
$middleware = $this->middleware;
$result = $middleware($request, $response, $next);
$this->assertSame($errorResponse, $result);
$error = $errorHandler->getError();
$this->assertEquals("Call to undefined function this_function_does_not_exist()", $error->getMessage());
}
public function testInvokeRevive()
{
$request = $this->createMock(ServerRequestInterface::class);
$response = $this->createMock(Response::class);
$revivedResponse = $this->createMock(Response::class);
$stream = $this->createMock(StreamInterface::class);
$exception = $this->createMock(\Exception::class);
$response->method('isStale')->willReturn(true);
$response->expects($this->once())->method('revive')->willReturn($revivedResponse);
$response->expects($this->never())->method('withProtocolVersion');
$revivedResponse->expects($this->once())->method('withProtocolVersion')->willReturnSelf();
$revivedResponse->expects($this->once())->method('withStatus')->willReturnSelf();
$revivedResponse->expects($this->once())->method('getBody')->willReturn($stream);
$next = $this->createCallbackMock($this->once(), function ($method) use ($request, $response, $exception) {
$method->with($request, $response)->willThrowException($exception);
});
$middleware = $this->middleware;
$result = $middleware($request, $response, $next);
$this->assertSame($revivedResponse, $result);
}
public function testInvokeLog()
{
$request = $this->createMock(ServerRequestInterface::class);
$response = $this->createMock(ResponseInterface::class);
$stream = $this->createMock(StreamInterface::class);
$response->method('withProtocolVersion')->id('withProtocolVersion')->willReturnSelf();
$response->method('withStatus')->id('withStatus')->after('withProtocolVersion')->willReturnSelf();
$response->method('getBody')->after('withStatus')->willReturn($stream);
$exception = $this->createMock(\Exception::class);
$message = $this->stringStartsWith('Uncaught Exception ' . get_class($exception));
$context = ['exception' => $exception];
$logger = $this->createMock(LoggerInterface::class);
$logger->expects($this->once())->method('log')
->with(LogLevel::ERROR, $message, $context);
$errorHandler = $this->errorHandler;
$errorHandler->setLogger($logger);
$middleware = $this->middleware;
$next = $this->getMockBuilder(\stdClass::class)->setMethods(['__invoke'])->getMock();
$next->expects($this->once())->method('__invoke')
->with($request, $response)
->willThrowException($exception);
$middleware($request, $response, $next);
}
}
|
