// SPDX-License-Identifier: AGPL-3.0-only
//go:build linux

package deploy

import (
	"path/filepath"
	"testing"
)

func TestHostWideLockSerializesIndependentServices(t *testing.T) {
	path := filepath.Join(t.TempDir(), "tend-deploy.lock")
	first, err := acquireLock(path)
	if err != nil {
		t.Fatal(err)
	}
	defer first.Close()
	if second, err := acquireLock(path); err == nil {
		_ = second.Close()
		t.Fatal("second service acquired the shared activation lock")
	}
	if err = first.Close(); err != nil {
		t.Fatal(err)
	}
	third, err := acquireLock(path)
	if err != nil {
		t.Fatal(err)
	}
	_ = third.Close()
}