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<?php
namespace Engelsystem\Test\Unit\Middleware;
use Engelsystem\Application;
use Engelsystem\Middleware\Dispatcher;
use Engelsystem\Test\Unit\Middleware\Stub\NotARealMiddleware;
use Engelsystem\Test\Unit\Middleware\Stub\ReturnResponseMiddleware;
use InvalidArgumentException;
use LogicException;
use PHPUnit\Framework\TestCase;
use PHPUnit_Framework_MockObject_MockObject as MockObject;
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 DispatcherTest extends TestCase
{
/**
* @covers \Engelsystem\Middleware\Dispatcher::__construct
*/
public function testInit()
{
/** @var Application|MockObject $container */
$container = $this->createMock(Application::class);
$dispatcher = new Dispatcher([], $container);
$this->assertInstanceOf(MiddlewareInterface::class, $dispatcher);
$this->assertInstanceOf(RequestHandlerInterface::class, $dispatcher);
$reflection = new Reflection(get_class($dispatcher));
$property = $reflection->getProperty('container');
$property->setAccessible(true);
$this->assertEquals($container, $property->getValue($dispatcher));
}
/**
* @covers \Engelsystem\Middleware\Dispatcher::process
*/
public function testProcess()
{
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
/** @var ResponseInterface|MockObject $response */
$response = $this->createMock(ResponseInterface::class);
/** @var RequestHandlerInterface|MockObject $handler */
$handler = $this->createMock(RequestHandlerInterface::class);
/** @var Dispatcher|MockObject $dispatcher */
$dispatcher = $this->getMockBuilder(Dispatcher::class)
->setMethods(['handle'])
->getMock();
$dispatcher->expects($this->once())
->method('handle')
->willReturn($response);
$return = $dispatcher->process($request, $handler);
$this->assertEquals($response, $return);
$reflection = new Reflection(get_class($dispatcher));
$property = $reflection->getProperty('next');
$property->setAccessible(true);
$this->assertEquals($handler, $property->getValue($dispatcher));
}
/**
* @covers \Engelsystem\Middleware\Dispatcher::handle
*/
public function testHandle()
{
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
/** @var ResponseInterface|MockObject $response */
$response = $this->createMock(ResponseInterface::class);
/** @var MiddlewareInterface|MockObject $middleware */
$middleware = $this->createMock(MiddlewareInterface::class);
$dispatcher = new Dispatcher([$middleware]);
$middleware->expects($this->once())
->method('process')
->with($request, $dispatcher)
->willReturn($response);
$return = $dispatcher->handle($request);
$this->assertEquals($response, $return);
}
/**
* @covers \Engelsystem\Middleware\Dispatcher::handle
*/
public function testHandleNext()
{
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
/** @var ResponseInterface|MockObject $response */
$response = $this->createMock(ResponseInterface::class);
/** @var RequestHandlerInterface|MockObject $handler */
$handler = $this->createMock(RequestHandlerInterface::class);
$dispatcher = new Dispatcher();
$handler->expects($this->once())
->method('handle')
->with($request)
->willReturn($response);
$reflection = new Reflection(get_class($dispatcher));
$property = $reflection->getProperty('next');
$property->setAccessible(true);
$property->setValue($dispatcher, $handler);
$return = $dispatcher->handle($request);
$this->assertEquals($response, $return);
}
/**
* @covers \Engelsystem\Middleware\Dispatcher::handle
*/
public function testHandleNoMiddleware()
{
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
$this->expectException(LogicException::class);
$dispatcher = new Dispatcher();
$dispatcher->handle($request);
}
/**
* @covers \Engelsystem\Middleware\Dispatcher::handle
*/
public function testHandleNoRealMiddleware()
{
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
$this->expectException(InvalidArgumentException::class);
$dispatcher = new Dispatcher([new NotARealMiddleware()]);
$dispatcher->handle($request);
}
/**
* @covers \Engelsystem\Middleware\Dispatcher::handle
*/
public function testHandleCallResolve()
{
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
/** @var ResponseInterface|MockObject $response */
$response = $this->createMock(ResponseInterface::class);
/** @var MiddlewareInterface|MockObject $middleware */
$middleware = $this->createMock(MiddlewareInterface::class);
/** @var Dispatcher|MockObject $dispatcher */
$dispatcher = $this->getMockBuilder(Dispatcher::class)
->setConstructorArgs([[MiddlewareInterface::class]])
->setMethods(['resolveMiddleware'])
->getMock();
$dispatcher->expects($this->once())
->method('resolveMiddleware')
->with(MiddlewareInterface::class)
->willReturn($middleware);
$middleware->expects($this->once())
->method('process')
->with($request, $dispatcher)
->willReturn($response);
$return = $dispatcher->handle($request);
$this->assertEquals($response, $return);
}
/**
* @covers \Engelsystem\Middleware\Dispatcher::resolveMiddleware
* @covers \Engelsystem\Middleware\Dispatcher::setContainer
*/
public function testResolveMiddleware()
{
/** @var Application|MockObject $container */
$container = $this->createMock(Application::class);
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
/** @var ResponseInterface|MockObject $response */
$response = $this->createMock(ResponseInterface::class);
$returnResponseMiddleware = new ReturnResponseMiddleware($response);
$container->expects($this->exactly(2))
->method('has')
->withConsecutive([ReturnResponseMiddleware::class], ['middleware'])
->willReturnOnConsecutiveCalls(false, true);
$container->expects($this->once())
->method('make')
->with(ReturnResponseMiddleware::class)
->willReturn($returnResponseMiddleware);
$container->expects($this->once())
->method('get')
->with('middleware')
->willReturn($returnResponseMiddleware);
$dispatcher = new Dispatcher([ReturnResponseMiddleware::class]);
$dispatcher->setContainer($container);
$dispatcher->handle($request);
$dispatcher = new Dispatcher(['middleware'], $container);
$dispatcher->handle($request);
}
/**
* @covers \Engelsystem\Middleware\Dispatcher::resolveMiddleware
*/
public function testResolveMiddlewareNoContainer()
{
/** @var ServerRequestInterface|MockObject $request */
$request = $this->createMock(ServerRequestInterface::class);
$this->expectException(InvalidArgumentException::class);
$dispatcher = new Dispatcher([ReturnResponseMiddleware::class]);
$dispatcher->handle($request);
}
}
|
