package db

import (
	"fmt"
	"sync"
	"testing"

	"go.mongodb.org/mongo-driver/bson/primitive"
)

func Test_Id(t *testing.T) {
	wg := new(sync.WaitGroup)
	for i := 0; i < 3; i++ {
		wg.Add(1)
		go func(_wg *sync.WaitGroup) {
			for i := 0; i < 10; i++ {
				id := primitive.NewObjectID().Hex()
				fmt.Printf(id + "\n")
			}
			_wg.Done()
		}(wg)
	}
	wg.Wait()
}