/**
* Tests whether the data can be retrieved from the database
*/
public function testExtract()
{
// create rappers
$user1 = factory(App\Models\User::class)->create();
$user2 = factory(App\Models\User::class)->create();
// create battle
$battle = new Battle();
$battle->rapper1_id = $user1->id;
$battle->rapper2_id = $user2->id;
$battle->save();
// check: can rappers be retrieved from database via the rappers?
$this->assertNotNull($battle->rapper1()->get()->values()->keyBy('id')->get($user1->id));
$this->assertNotNull($battle->rapper2()->get()->values()->keyBy('id')->get($user2->id));
}
