public function testConnect()
{
$this->app = App::getInstance();
$this->app->loadConfig();
$this->assertInstanceOf(App::class, $this->app);
// expects correct default database setup
try {
$this->app->connect();
} catch (\PDOException $e) {
$this->markTestIncomplete($e->getMessage());
}
$this->assertInstanceOf(PDO::class, $this->app->pdo);
$this->app->connect('test_stream');
$this->assertInstanceOf(PDO::class, $this->app->pdo);
$this->expectException(Exception::class);
$this->app->connect('not_existing_database_configuration_key');
}
