o/c/configcore,s/apparmor: mock aa root path in prompting tests

Signed-off-by: Oliver Calder <[email protected]>

overlord/configstate/configcore/prompting_test.go

@@ -24,13 +24,15 @@ import (
 	"fmt"
 	"os"
 	"os/user"
+	"path/filepath"
 	"time"
 
 	. "gopkg.in/check.v1"
 	"gopkg.in/tomb.v2"
 
 	"github.com/snapcore/snapd/boot"
 	"github.com/snapcore/snapd/client"
+	"github.com/snapcore/snapd/dirs"
 	"github.com/snapcore/snapd/features"
 	"github.com/snapcore/snapd/interfaces"
 	"github.com/snapcore/snapd/interfaces/builtin"
@@ -69,6 +71,10 @@ func (s *promptingSuite) SetUpTest(c *C) {
 	))
 	// mock the presence of the notification socket
 	os.MkdirAll(notify.SysPath, 0o755)
+	// mock the presence of permstable32_version with supported version
+	s.AddCleanup(apparmor.MockFsRootPath(dirs.GlobalRootDir))
+	os.MkdirAll(filepath.Join(dirs.GlobalRootDir, "sys/kernel/security/apparmor/features/policy"), 0o755)
+	os.WriteFile(filepath.Join(dirs.GlobalRootDir, "sys/kernel/security/apparmor/features/policy/permstable32_version"), []byte("0x000002"), 0o644)
 
 	s.overlord = overlord.MockWithState(nil)
 	// override state set up by configcoreSuite

sandbox/apparmor/apparmor.go

@@ -1049,3 +1049,11 @@ func MockParserSearchPath(new string) (restore func()) {
 		parserSearchPath = oldAppArmorParserSearchPath
 	}
 }
+
+func MockFsRootPath(path string) (restorer func()) {
+	old := rootPath
+	rootPath = path
+	return func() {
+		rootPath = old
+	}
+}

sandbox/apparmor/export_test.go

@@ -1,7 +1,7 @@
 // -*- Mode: Go; indent-tabs-mode: t -*-
 
 /*
- * Copyright (C) 2014-2015 Canonical Ltd
+ * Copyright (C) 2014-2024 Canonical Ltd
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
@@ -78,14 +78,6 @@ func MockProfilesPath(t *testutil.BaseTest, profiles string) {
 	})
 }
 
-func MockFsRootPath(path string) (restorer func()) {
-	old := rootPath
-	rootPath = path
-	return func() {
-		rootPath = old
-	}
-}
-
 func MockSnapdAppArmorSupportsReexec(new func() bool) (restore func()) {
 	restore = testutil.Backup(&snapdAppArmorSupportsReexec)
 	snapdAppArmorSupportsReexec = new