Elgg\ActionsServiceTest::testCanRespondToAjaxRequest PHP Метод

    public function testCanRespondToAjaxRequest()
    {
        $this->assertTrue($this->actions->register('output3', "{$this->actionsDir}/output3.php", 'public'));
        $this->request = $this->prepareHttpRequest('action/output3', 'POST', [], 1, true);
        $this->createService();
        set_input('output', 'output3');
        set_input('system_message', 'success');
        $this->route();
        $response = _elgg_services()->responseFactory->getSentResponse();
        $this->assertInstanceOf(Response::class, $response);
        $this->assertEquals(ELGG_HTTP_OK, $response->getStatusCode());
        $this->assertContains('application/json', $response->headers->get('Content-Type'));
        $this->assertContains('charset=utf-8', strtolower($response->headers->get('Content-Type')));
        $output = json_encode(['output' => 'output3', 'status' => 0, 'system_messages' => ['error' => [], 'success' => ['success']], 'current_url' => current_page_url(), 'forward_url' => $this->request->headers->get('Referer')]);
        $this->assertEquals($output, $response->getContent());
    }