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<?php
namespace Illuminate\Tests\Integration\Database\EloquentHasOneOfManyTest;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Schema;
use Illuminate\Tests\Integration\Database\DatabaseTestCase;
class EloquentHasOneOfManyTest extends DatabaseTestCase
{
protected function defineDatabaseMigrationsAfterDatabaseRefreshed()
{
Schema::create('users', function ($table) {
$table->id();
});
Schema::create('logins', function ($table) {
$table->id();
$table->foreignId('user_id');
});
}
public function testItOnlyEagerLoadsRequiredModels()
{
$this->retrievedLogins = 0;
User::getEventDispatcher()->listen('eloquent.retrieved:*', function ($event, $models) {
foreach ($models as $model) {
if (get_class($model) == Login::class) {
$this->retrievedLogins++;
}
}
});
$user = User::create();
$user->latest_login()->create();
$user->latest_login()->create();
$user = User::create();
$user->latest_login()->create();
$user->latest_login()->create();
User::with('latest_login')->get();
$this->assertSame(2, $this->retrievedLogins);
}
}
class User extends Model
{
protected $guarded = [];
public $timestamps = false;
public function latest_login()
{
return $this->hasOne(Login::class)->ofMany();
}
}
class Login extends Model
{
protected $guarded = [];
public $timestamps = false;
}
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