public function testExists()
{
$this->assertFalse(Person::exists(12345678));
$p = new Person();
$p->name = "Jimmy Page";
$p->insert();
$actual = Person::exists($p->id);
$this->assertTrue($actual);
}
public function testPreparedExecuteTransaction()
{
$person = new Person();
$person->name = 'Janick Gers';
$person->income = 100;
$person->insert();
$id = $person->id;
$conn = DB::getConnection('testdb');
DB::begin();
$conn->preparedExecute("UPDATE person SET income = ?", array(200));
DB::rollback();
$this->assertEquals(100, Person::get($id)->income);
DB::begin();
$conn->preparedExecute("UPDATE person SET income = ?", array(200));
DB::commit();
$this->assertEquals(200, Person::get($id)->income);
}