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// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ramfs
import (
"testing"
"gvisor.dev/gvisor/pkg/sentry/context/contexttest"
"gvisor.dev/gvisor/pkg/sentry/fs"
)
func TestMakeDirectoryTree(t *testing.T) {
for _, test := range []struct {
name string
subdirs []string
}{
{
name: "abs paths",
subdirs: []string{
"/tmp",
"/tmp/a/b",
"/tmp/a/c/d",
"/tmp/c",
"/proc",
"/dev/a/b",
"/tmp",
},
},
{
name: "rel paths",
subdirs: []string{
"tmp",
"tmp/a/b",
"tmp/a/c/d",
"tmp/c",
"proc",
"dev/a/b",
"tmp",
},
},
} {
ctx := contexttest.Context(t)
mount := fs.NewPseudoMountSource(ctx)
tree, err := MakeDirectoryTree(ctx, mount, test.subdirs)
if err != nil {
t.Errorf("%s: failed to make ramfs tree, got error %v, want nil", test.name, err)
continue
}
// Expect to be able to find each of the paths.
mm, err := fs.NewMountNamespace(ctx, tree)
if err != nil {
t.Errorf("%s: failed to create mount manager: %v", test.name, err)
continue
}
root := mm.Root()
defer mm.DecRef()
for _, p := range test.subdirs {
maxTraversals := uint(0)
if _, err := mm.FindInode(ctx, root, nil, p, &maxTraversals); err != nil {
t.Errorf("%s: failed to find node %s: %v", test.name, p, err)
break
}
}
}
}
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