Created first common elements for functional tests

composer.json

@@ -46,6 +46,7 @@
     },
     "require-dev": {
         "filp/whoops": "^2.0",
+        "phpunit/dbunit": "^3.0",
         "phpunit/phpunit": "^6.0",
         "slevomat/coding-standard": "^4.0",
         "squizlabs/php_codesniffer": "^3.1",
@@ -69,7 +70,10 @@
             "ShlinkioTest\\Shlink\\CLI\\": "module/CLI/test",
             "ShlinkioTest\\Shlink\\Rest\\": "module/Rest/test",
             "ShlinkioTest\\Shlink\\Core\\": "module/Core/test",
-            "ShlinkioTest\\Shlink\\Common\\": "module/Common/test"
+            "ShlinkioTest\\Shlink\\Common\\": [
+                "module/Common/test",
+                "module/Common/test-func"
+            ]
         }
     },
     "scripts": {

func_tests_bootstrap.php

@@ -0,0 +1,29 @@
+<?php
+declare(strict_types=1);
+
+use Doctrine\ORM\EntityManagerInterface;
+use ShlinkioTest\Shlink\Common\DbUnit\DatabaseTestCase;
+use Symfony\Component\Process\Process;
+use Zend\ServiceManager\ServiceManager;
+
+// Create an empty .env file
+if (! file_exists('.env')) {
+    touch('.env');
+}
+
+/** @var ServiceManager $sm */
+$sm = require __DIR__ . '/config/container.php';
+$sm->setAllowOverride(true);
+$config = $sm->get('config');
+$config['entity_manager']['connection'] = [
+    'driver' => 'pdo_sqlite',
+    'memory' => true,
+];
+$sm->setService('config', $config);
+
+$process = new Process('vendor/bin/doctrine-migrations migrations:migrate --no-interaction -q', __DIR__);
+$process->inheritEnvironmentVariables()
+        ->setTimeout(60 * 5) // 5 minutes
+        ->mustRun();
+
+DatabaseTestCase::$em = $sm->get(EntityManagerInterface::class);

module/Common/test-func/DbUnit/DatabaseTestCase.php

@@ -0,0 +1,58 @@
+<?php
+declare(strict_types=1);
+
+namespace ShlinkioTest\Shlink\Common\DbUnit;
+
+use Doctrine\DBAL\Driver\PDOConnection;
+use Doctrine\ORM\EntityManagerInterface;
+use PHPUnit\DbUnit\Database\Connection as DbConn;
+use PHPUnit\DbUnit\DataSet\IDataSet as DataSet;
+use PHPUnit\DbUnit\TestCase;
+
+abstract class DatabaseTestCase extends TestCase
+{
+    const ENTITIES_TO_EMPTY = [];
+
+    /**
+     * @var EntityManagerInterface
+     */
+    public static $em;
+    /**
+     * @var DbConn
+     */
+    private static $conn;
+
+    public function getConnection(): DbConn
+    {
+        if (isset(self::$conn)) {
+            return self::$conn;
+        }
+
+        /** @var PDOConnection $pdo */
+        $pdo = static::$em->getConnection()->getWrappedConnection();
+        return self::$conn = $this->createDefaultDBConnection($pdo, static::$em->getConnection()->getDatabase());
+    }
+
+    public function getDataSet(): DataSet
+    {
+        return $this->createArrayDataSet([]);
+    }
+
+    protected function getEntityManager(): EntityManagerInterface
+    {
+        return static::$em;
+    }
+
+    public function tearDown()
+    {
+        // Empty all entity tables defined by this test after each test
+        foreach (static::ENTITIES_TO_EMPTY as $entityClass) {
+            $qb = $this->getEntityManager()->createQueryBuilder();
+            $qb->delete($entityClass, 'x');
+            $qb->getQuery()->execute();
+        }
+
+        // Clear entity manager
+        $this->getEntityManager()->clear();
+    }
+}