package startup

import (
	"errors"
	"testing"
	"time"
)

func TestFailureNeverBecomesReady(t *testing.T) {
	b := New(time.Now())
	b.Add("config", "config")
	b.Add("health", "health")
	_ = b.Run("config", time.Second, func() error { return errors.New("private detail") })
	_ = b.Run("health", time.Second, func() error { return nil })
	s := b.Snapshot()
	if s.Ready || s.State != "failed" || s.Completed != 1 {
		t.Fatalf("%+v", s)
	}
}
func TestTimeoutIgnoresLateSuccess(t *testing.T) {
	b := New(time.Now())
	b.Add("config", "config")
	release := make(chan struct{})
	returned := make(chan struct{})
	err := b.Run("config", time.Millisecond, func() error { <-release; close(returned); return nil })
	if err == nil {
		t.Fatal("expected timeout")
	}
	close(release)
	<-returned
	if b.Snapshot().Ready || b.Snapshot().State != "failed" {
		t.Fatal("late result opened login")
	}
}
func TestReadyTimeIsFrozenAndSnapshotIsIndependent(t *testing.T) {
	b := New(time.Now())
	b.Add("config", "config")
	_ = b.Run("config", time.Second, func() error { return nil })
	s := b.Snapshot()
	s.Stages[0].State = "failed"
	time.Sleep(2 * time.Millisecond)
	next := b.Snapshot()
	if !next.Ready || next.ElapsedMS != s.ElapsedMS {
		t.Fatalf("%+v", next)
	}
}