assertInstanceOf(StreamInterface::class, HttpFactory::createStream()); } public function testCreateUri() { $this->assertInstanceOf(UriInterface::class, HttpFactory::createUri('/')); $uri = new Uri(); $this->assertSame(HttpFactory::createUri($uri), $uri); } public function testCreateServerRequest() { $this->assertInstanceOf(ServerRequestInterface::class, HttpFactory::createServerRequest('GET', '/')); } public function testCreateRequest() { $this->assertInstanceOf(RequestInterface::class, HttpFactory::createRequest('GET', '/')); } public function testCreateResponse() { $this->assertInstanceOf(ResponseInterface::class, HttpFactory::createResponse()); } }