2019-04-29 21:25:05 +00:00
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// Copyright 2018 The gVisor Authors.
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2018-04-27 17:37:02 +00:00
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ramfs
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import (
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"testing"
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2019-06-13 23:49:09 +00:00
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"gvisor.dev/gvisor/pkg/sentry/context/contexttest"
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"gvisor.dev/gvisor/pkg/sentry/fs"
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2018-04-27 17:37:02 +00:00
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)
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func TestMakeDirectoryTree(t *testing.T) {
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for _, test := range []struct {
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name string
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subdirs []string
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}{
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{
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name: "abs paths",
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subdirs: []string{
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"/tmp",
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"/tmp/a/b",
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"/tmp/a/c/d",
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"/tmp/c",
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"/proc",
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"/dev/a/b",
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"/tmp",
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},
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},
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{
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name: "rel paths",
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subdirs: []string{
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"tmp",
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"tmp/a/b",
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"tmp/a/c/d",
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"tmp/c",
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"proc",
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"dev/a/b",
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"tmp",
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},
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},
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} {
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ctx := contexttest.Context(t)
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2019-06-14 01:39:43 +00:00
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mount := fs.NewPseudoMountSource(ctx)
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2018-04-27 17:37:02 +00:00
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tree, err := MakeDirectoryTree(ctx, mount, test.subdirs)
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if err != nil {
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t.Errorf("%s: failed to make ramfs tree, got error %v, want nil", test.name, err)
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continue
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}
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// Expect to be able to find each of the paths.
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mm, err := fs.NewMountNamespace(ctx, tree)
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if err != nil {
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t.Errorf("%s: failed to create mount manager: %v", test.name, err)
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continue
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}
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root := mm.Root()
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defer mm.DecRef()
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for _, p := range test.subdirs {
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2018-12-04 22:31:08 +00:00
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maxTraversals := uint(0)
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if _, err := mm.FindInode(ctx, root, nil, p, &maxTraversals); err != nil {
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2018-04-27 17:37:02 +00:00
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t.Errorf("%s: failed to find node %s: %v", test.name, p, err)
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break
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}
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}
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}
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}
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