open-nomad/client/lib/cgutil/editor_test.go
2023-04-10 15:36:59 +00:00

43 lines
798 B
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
//go:build linux
package cgutil
import (
"os"
"path/filepath"
"testing"
"github.com/hashicorp/nomad/client/testutil"
"github.com/hashicorp/nomad/helper/uuid"
"github.com/shoenig/test/must"
)
func createCG(t *testing.T) (string, func()) {
name := uuid.Short() + ".scope"
path := filepath.Join(CgroupRoot, name)
err := os.Mkdir(path, 0o755)
must.NoError(t, err)
return name, func() {
_ = os.Remove(path)
}
}
func TestCG_editor(t *testing.T) {
testutil.CgroupsCompatibleV2(t)
cg, rm := createCG(t)
t.Cleanup(rm)
edits := &editor{cg}
writeErr := edits.write("cpu.weight.nice", "13")
must.NoError(t, writeErr)
b, readErr := edits.read("cpu.weight.nice")
must.NoError(t, readErr)
must.Eq(t, "13", b)
}