MIgrationController.php

<?php

namespace Vendor\InfraBundle\Controller;

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Method;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Symfony\Bundle\FrameworkBundle\Console\Application;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Output\BufferedOutput;
use Symfony\Component\HttpFoundation\Response;

/**
 * Executes migrations when the CLI is not in reach.
 * @Route("/_endpoint/migrations", service="vendor_infra.migration.migrationcontroller")
 *
 * @package Vendor\InfraBundle\Controller
 */
class MigrationController extends Controller
{
    /**
     * Shows the current status of migrations applied
     * @Route("/")
     * @Method("GET")
     *
     * @return Response
     */
    public function statusAction()
    {
        $application = $this->getConsoleApplication();

        $input = new ArrayInput(
            [
                'command' => 'doctrine:migrations:status',
            ]
        );
        // You can use NullOutput() if you don't need the output
        $output = new BufferedOutput();
        $application->run($input, $output);

        // return the output, don't use if you used NullOutput()
        $content = $output->fetch();

        // return new Response(""), if you used NullOutput()
        return new Response($content);
    }

    /**
     * Migrates the database
     * @Method("POST")
     * @Route("/migrate")
     *
     * @return Response
     * @throws \Exception
     */
    public function migrateAction()
    {
        $application = $this->getConsoleApplication();

        $input = new ArrayInput(
            [
                'command' => 'doctrine:migrations:migrate',
            ]
        );
        // You can use NullOutput() if you don't need the output
        $output = new BufferedOutput();
        $application->run($input, $output);

        // return the output, don't use if you used NullOutput()
        $content = $output->fetch();

        // return new Response(""), if you used NullOutput()
        return new Response($content);
    }

    /**
     * @return Application
     */
    private function getConsoleApplication()
    {
        $kernel = $this->get('kernel');
        $application = new Application($kernel);
        $application->setAutoExit(false);

        return $application;
    }
}

MigrationControllerTest.php

<?php

namespace Vendor\InfraBundle\Tests\Controller;

use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;

/**
 * @package Vendor\InfraBundle\Tests\Controller
 */
class MigrationControllerTest extends WebTestCase
{
    /**
     * Health indicator requests from the platform should
     * result in a HTTP Status 200
     *
     * @covers Vendor\InfraBundle\Controller\MigrationController::statusAction
     */
    public function testMigrationStatusResponse()
    {
        $client = static::createClient();

        /** @noinspection PhpUnusedLocalVariableInspection */
        $crawler = $client->request('GET', '/_endpoint/migrations/');

        $this->assertContains('Database Driver', $client->getResponse()->getContent());
        $this->assertEquals(200, $client->getResponse()->getStatusCode());
    }

    /**
     * The application should be able to migrate te database from a HTTP Request
     *
     * @covers Vendor\InfraBundle\Controller\MigrationController::migrateAction
     */
    public function testMigrationMigrateRequest()
    {
        $client = static::createClient();

        /** @noinspection PhpUnusedLocalVariableInspection */
        $crawler = $client->request('POST', '/_endpoint/migrations/migrate');

        $this->assertContains(
            'Error Migration can only be executed safely on \'mysql\'',
            $client->getResponse()->getContent()
        );
        $this->assertEquals(200, $client->getResponse()->getStatusCode());
    }
}