frostfs-node/cmd/frostfs-node/cache_test.go
Dmitrii Stepanov 04be9415d9 [#231] node: Fix race condition in TTL cache
Use key locker to lock by key.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
2023-04-25 09:54:12 +03:00

32 lines
578 B
Go

package main
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/require"
"golang.org/x/sync/errgroup"
)
func TestKeyLocker(t *testing.T) {
taken := false
eg, _ := errgroup.WithContext(context.Background())
keyLocker := newKeyLocker[int]()
for i := 0; i < 100; i++ {
eg.Go(func() error {
keyLocker.LockKey(0)
defer keyLocker.UnlockKey(0)
require.False(t, taken)
taken = true
require.True(t, taken)
time.Sleep(10 * time.Millisecond)
taken = false
require.False(t, taken)
return nil
})
}
require.NoError(t, eg.Wait())
}