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Diffstat (limited to 'pkg/sentry/fsimpl/tmpfs/stat_test.go')
-rw-r--r--pkg/sentry/fsimpl/tmpfs/stat_test.go232
1 files changed, 0 insertions, 232 deletions
diff --git a/pkg/sentry/fsimpl/tmpfs/stat_test.go b/pkg/sentry/fsimpl/tmpfs/stat_test.go
deleted file mode 100644
index ebe035dee..000000000
--- a/pkg/sentry/fsimpl/tmpfs/stat_test.go
+++ /dev/null
@@ -1,232 +0,0 @@
-// Copyright 2020 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 tmpfs
-
-import (
- "fmt"
- "testing"
-
- "gvisor.dev/gvisor/pkg/abi/linux"
- "gvisor.dev/gvisor/pkg/sentry/kernel/auth"
- "gvisor.dev/gvisor/pkg/sentry/kernel/contexttest"
- "gvisor.dev/gvisor/pkg/sentry/vfs"
-)
-
-func TestStatAfterCreate(t *testing.T) {
- ctx := contexttest.Context(t)
- mode := linux.FileMode(0644)
-
- // Run with different file types.
- // TODO(gvisor.dev/issues/1197): Also test symlinks and sockets.
- for _, typ := range []string{"file", "dir", "pipe"} {
- t.Run(fmt.Sprintf("type=%q", typ), func(t *testing.T) {
- var (
- fd *vfs.FileDescription
- cleanup func()
- err error
- )
- switch typ {
- case "file":
- fd, cleanup, err = newFileFD(ctx, mode)
- case "dir":
- fd, cleanup, err = newDirFD(ctx, mode)
- case "pipe":
- fd, cleanup, err = newPipeFD(ctx, mode)
- default:
- panic(fmt.Sprintf("unknown typ %q", typ))
- }
- if err != nil {
- t.Fatal(err)
- }
- defer cleanup()
-
- got, err := fd.Stat(ctx, vfs.StatOptions{})
- if err != nil {
- t.Fatalf("Stat failed: %v", err)
- }
-
- // Atime, Ctime, Mtime should all be current time (non-zero).
- atime, ctime, mtime := got.Atime.ToNsec(), got.Ctime.ToNsec(), got.Mtime.ToNsec()
- if atime != ctime || ctime != mtime {
- t.Errorf("got atime=%d ctime=%d mtime=%d, wanted equal values", atime, ctime, mtime)
- }
- if atime == 0 {
- t.Errorf("got atime=%d, want non-zero", atime)
- }
-
- // Btime should be 0, as it is not set by tmpfs.
- if btime := got.Btime.ToNsec(); btime != 0 {
- t.Errorf("got btime %d, want 0", got.Btime.ToNsec())
- }
-
- // Size should be 0.
- if got.Size != 0 {
- t.Errorf("got size %d, want 0", got.Size)
- }
-
- // Nlink should be 1 for files, 2 for dirs.
- wantNlink := uint32(1)
- if typ == "dir" {
- wantNlink = 2
- }
- if got.Nlink != wantNlink {
- t.Errorf("got nlink %d, want %d", got.Nlink, wantNlink)
- }
-
- // UID and GID are set from context creds.
- creds := auth.CredentialsFromContext(ctx)
- if got.UID != uint32(creds.EffectiveKUID) {
- t.Errorf("got uid %d, want %d", got.UID, uint32(creds.EffectiveKUID))
- }
- if got.GID != uint32(creds.EffectiveKGID) {
- t.Errorf("got gid %d, want %d", got.GID, uint32(creds.EffectiveKGID))
- }
-
- // Mode.
- wantMode := uint16(mode)
- switch typ {
- case "file":
- wantMode |= linux.S_IFREG
- case "dir":
- wantMode |= linux.S_IFDIR
- case "pipe":
- wantMode |= linux.S_IFIFO
- default:
- panic(fmt.Sprintf("unknown typ %q", typ))
- }
-
- if got.Mode != wantMode {
- t.Errorf("got mode %x, want %x", got.Mode, wantMode)
- }
-
- // Ino.
- if got.Ino == 0 {
- t.Errorf("got ino %d, want not 0", got.Ino)
- }
- })
- }
-}
-
-func TestSetStatAtime(t *testing.T) {
- ctx := contexttest.Context(t)
- fd, cleanup, err := newFileFD(ctx, 0644)
- if err != nil {
- t.Fatal(err)
- }
- defer cleanup()
-
- allStatOptions := vfs.StatOptions{Mask: linux.STATX_ALL}
-
- // Get initial stat.
- initialStat, err := fd.Stat(ctx, allStatOptions)
- if err != nil {
- t.Fatalf("Stat failed: %v", err)
- }
-
- // Set atime, but without the mask.
- if err := fd.SetStat(ctx, vfs.SetStatOptions{Stat: linux.Statx{
- Mask: 0,
- Atime: linux.NsecToStatxTimestamp(100),
- }}); err != nil {
- t.Errorf("SetStat atime without mask failed: %v")
- }
- // Atime should be unchanged.
- if gotStat, err := fd.Stat(ctx, allStatOptions); err != nil {
- t.Errorf("Stat got error: %v", err)
- } else if gotStat.Atime != initialStat.Atime {
- t.Errorf("Stat got atime %d, want %d", gotStat.Atime, initialStat.Atime)
- }
-
- // Set atime, this time included in the mask.
- setStat := linux.Statx{
- Mask: linux.STATX_ATIME,
- Atime: linux.NsecToStatxTimestamp(100),
- }
- if err := fd.SetStat(ctx, vfs.SetStatOptions{Stat: setStat}); err != nil {
- t.Errorf("SetStat atime with mask failed: %v")
- }
- if gotStat, err := fd.Stat(ctx, allStatOptions); err != nil {
- t.Errorf("Stat got error: %v", err)
- } else if gotStat.Atime != setStat.Atime {
- t.Errorf("Stat got atime %d, want %d", gotStat.Atime, setStat.Atime)
- }
-}
-
-func TestSetStat(t *testing.T) {
- ctx := contexttest.Context(t)
- mode := linux.FileMode(0644)
-
- // Run with different file types.
- // TODO(gvisor.dev/issues/1197): Also test symlinks and sockets.
- for _, typ := range []string{"file", "dir", "pipe"} {
- t.Run(fmt.Sprintf("type=%q", typ), func(t *testing.T) {
- var (
- fd *vfs.FileDescription
- cleanup func()
- err error
- )
- switch typ {
- case "file":
- fd, cleanup, err = newFileFD(ctx, mode)
- case "dir":
- fd, cleanup, err = newDirFD(ctx, mode)
- case "pipe":
- fd, cleanup, err = newPipeFD(ctx, mode)
- default:
- panic(fmt.Sprintf("unknown typ %q", typ))
- }
- if err != nil {
- t.Fatal(err)
- }
- defer cleanup()
-
- allStatOptions := vfs.StatOptions{Mask: linux.STATX_ALL}
-
- // Get initial stat.
- initialStat, err := fd.Stat(ctx, allStatOptions)
- if err != nil {
- t.Fatalf("Stat failed: %v", err)
- }
-
- // Set atime, but without the mask.
- if err := fd.SetStat(ctx, vfs.SetStatOptions{Stat: linux.Statx{
- Mask: 0,
- Atime: linux.NsecToStatxTimestamp(100),
- }}); err != nil {
- t.Errorf("SetStat atime without mask failed: %v")
- }
- // Atime should be unchanged.
- if gotStat, err := fd.Stat(ctx, allStatOptions); err != nil {
- t.Errorf("Stat got error: %v", err)
- } else if gotStat.Atime != initialStat.Atime {
- t.Errorf("Stat got atime %d, want %d", gotStat.Atime, initialStat.Atime)
- }
-
- // Set atime, this time included in the mask.
- setStat := linux.Statx{
- Mask: linux.STATX_ATIME,
- Atime: linux.NsecToStatxTimestamp(100),
- }
- if err := fd.SetStat(ctx, vfs.SetStatOptions{Stat: setStat}); err != nil {
- t.Errorf("SetStat atime with mask failed: %v")
- }
- if gotStat, err := fd.Stat(ctx, allStatOptions); err != nil {
- t.Errorf("Stat got error: %v", err)
- } else if gotStat.Atime != setStat.Atime {
- t.Errorf("Stat got atime %d, want %d", gotStat.Atime, setStat.Atime)
- }
- })
- }
-}