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<?php
namespace Engelsystem\Test\Unit\Middleware;
use Engelsystem\Application;
use Engelsystem\Middleware\RequestHandler;
use InvalidArgumentException;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use ReflectionClass as Reflection;
class RequestHandlerTest extends TestCase
{
/**
* @covers \Engelsystem\Middleware\RequestHandler::__construct
*/
public function testInit()
{
/** @var Application|MockObject $container */
$container = $this->createMock(Application::class);
$handler = new RequestHandler($container);
$reflection = new Reflection(get_class($handler));
$property = $reflection->getProperty('container');
$property->setAccessible(true);
$this->assertEquals($container, $property->getValue($handler));
}
/**
* @covers \Engelsystem\Middleware\RequestHandler::process
*/
public function testProcess()
{
/** @var Application|MockObject $container */
/** @var ServerRequestInterface|MockObject $request */
/** @var RequestHandlerInterface|MockObject $handler */
/** @var ResponseInterface|MockObject $response */
/** @var MiddlewareInterface|MockObject $middlewareInterface */
list($container, $request, $handler, $response, $middlewareInterface) = $this->getMocks();
$requestHandlerInterface = $this->getMockForAbstractClass(RequestHandlerInterface::class);
$request->expects($this->exactly(3))
->method('getAttribute')
->with('route-request-handler')
->willReturn('FooBarClass');
/** @var RequestHandler|MockObject $middleware */
$middleware = $this->getMockBuilder(RequestHandler::class)
->setConstructorArgs([$container])
->setMethods(['resolveRequestHandler'])
->getMock();
$middleware->expects($this->exactly(3))
->method('resolveRequestHandler')
->with('FooBarClass')
->willReturnOnConsecutiveCalls(
$middlewareInterface,
$requestHandlerInterface,
null
);
$middlewareInterface->expects($this->once())
->method('process')
->with($request, $handler)
->willReturn($response);
$requestHandlerInterface->expects($this->once())
->method('handle')
->with($request)
->willReturn($response);
$return = $middleware->process($request, $handler);
$this->assertEquals($return, $response);
$middleware->process($request, $handler);
$this->assertEquals($return, $response);
$this->expectException(InvalidArgumentException::class);
$middleware->process($request, $handler);
}
/**
* @covers \Engelsystem\Middleware\RequestHandler::resolveRequestHandler
*/
public function testResolveRequestHandler()
{
/** @var Application|MockObject $container */
/** @var ServerRequestInterface|MockObject $request */
/** @var RequestHandlerInterface|MockObject $handler */
/** @var ResponseInterface|MockObject $response */
/** @var MiddlewareInterface|MockObject $middlewareInterface */
list($container, $request, $handler, $response, $middlewareInterface) = $this->getMocks();
$className = 'Engelsystem\\Controllers\\FooBarTestController';
$request->expects($this->exactly(1))
->method('getAttribute')
->with('route-request-handler')
->willReturn('FooBarTestController@showStuff');
/** @var RequestHandler|MockObject $middleware */
$middleware = $this->getMockBuilder(RequestHandler::class)
->setConstructorArgs([$container])
->setMethods(['resolveMiddleware'])
->getMock();
$middleware->expects($this->once())
->method('resolveMiddleware')
->with([$middlewareInterface, 'showStuff'])
->willReturn($middlewareInterface);
$middlewareInterface->expects($this->once())
->method('process')
->with($request, $handler)
->willReturn($response);
$container->expects($this->exactly(2))
->method('has')
->withConsecutive(['FooBarTestController'], [$className])
->willReturnOnConsecutiveCalls(false, true);
$container->expects($this->once())
->method('make')
->with($className)
->willReturn($middlewareInterface);
$return = $middleware->process($request, $handler);
$this->assertEquals($return, $response);
}
/**
* @return array
*/
protected function getMocks(): array
{
/** @var Application|MockObject $container */
$container = $this->createMock(Application::class);
/** @var ServerRequestInterface|MockObject $request */
$request = $this->getMockForAbstractClass(ServerRequestInterface::class);
/** @var RequestHandlerInterface|MockObject $handler */
$handler = $this->getMockForAbstractClass(RequestHandlerInterface::class);
/** @var ResponseInterface|MockObject $response */
$response = $this->getMockForAbstractClass(ResponseInterface::class);
/** @var MiddlewareInterface $middlewareInterface */
$middlewareInterface = $this->getMockForAbstractClass(MiddlewareInterface::class);
return [$container, $request, $handler, $response, $middlewareInterface];
}
}
|
