package remote

import (
	"sync"
	"testing"

	"github.com/hashicorp/terraform/states/statemgr"
)

func TestState_impl(t *testing.T) {
	var _ statemgr.Reader = new(State)
	var _ statemgr.Writer = new(State)
	var _ statemgr.Persister = new(State)
	var _ statemgr.Refresher = new(State)
	var _ statemgr.Locker = new(State)
}

func TestStateRace(t *testing.T) {
	s := &State{
		Client: nilClient{},
	}

	current := state.TestStateInitial()

	var wg sync.WaitGroup

	for i := 0; i < 100; i++ {
		wg.Add(1)
		go func() {
			defer wg.Done()
			s.WriteState(current)
			s.PersistState()
			s.RefreshState()
		}()
	}
	wg.Wait()
}