php/framework/libs/o/test/ConnectionManagerTest.php
<?php
include 'helpers/config.php';

use ActiveRecord\Config;
use ActiveRecord\ConnectionManager;

class ConnectionManagerTest extends DatabaseTest
{
	public function test_get_connection_with_null_connection()
	{
		$this->assert_not_null(ConnectionManager::get_connection(null));
		$this->assert_not_null(ConnectionManager::get_connection());
	}
    
	public function test_get_connection()
	{
		$this->assert_not_null(ConnectionManager::get_connection('mysql'));
	}

	public function test_get_connection_uses_existing_object()
	{
		$a = ConnectionManager::get_connection('mysql');
		$a->harro = 'harro there';

		$this->assert_same($a,ConnectionManager::get_connection('mysql'));
	}

    public function test_gh_91_get_connection_with_null_connection_is_always_default()
    {
        $conn_one = ConnectionManager::get_connection('mysql');
        $conn_two = ConnectionManager::get_connection();
        $conn_three = ConnectionManager::get_connection('mysql');
        $conn_four = ConnectionManager::get_connection();

        $this->assert_same($conn_one, $conn_three);
        $this->assert_same($conn_two, $conn_three);
        $this->assert_same($conn_four, $conn_three);
    }
}
?>
