public function testAggregateSum()
{
// Get summed of all users `id`
$user_sum = Model\User::sum();
// Consist
$this->assertInstanceOf('Gas\\ORM', $user_sum);
$this->assertInstanceOf('Gas\\Data', $user_sum->record);
// The summed id would be (1+2+3+4) = 10
$this->assertEquals($user_sum->id, '10');
}
