/** * 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)); }