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Improve test to eliminate backing FS semantics
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Original file line number | Diff line number | Diff line change |
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// Copyright 2016 the Go-FUSE Authors. All rights reserved. | ||
// Use of this source code is governed by a BSD-style | ||
// license that can be found in the LICENSE file. | ||
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package test | ||
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import ( | ||
"fmt" | ||
"os" | ||
"os/exec" | ||
"testing" | ||
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"github.com/hanwen/go-fuse/fuse" | ||
"github.com/hanwen/go-fuse/fuse/nodefs" | ||
"github.com/hanwen/go-fuse/fuse/pathfs" | ||
"github.com/hanwen/go-fuse/internal/testutil" | ||
) | ||
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type umaskFS struct { | ||
pathfs.FileSystem | ||
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mkdirMode uint32 | ||
createMode uint32 | ||
} | ||
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func (fs *umaskFS) Create(name string, flags uint32, mode uint32, context *fuse.Context) (file nodefs.File, code fuse.Status) { | ||
fs.createMode = mode | ||
return fs.FileSystem.Create(name, flags, mode, context) | ||
} | ||
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func (fs *umaskFS) Mkdir(name string, mode uint32, context *fuse.Context) (code fuse.Status) { | ||
fs.mkdirMode = mode | ||
return fs.FileSystem.Mkdir(name, mode, context) | ||
} | ||
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func TestUmask(t *testing.T) { | ||
tmpDir := testutil.TempDir() | ||
orig := tmpDir + "/orig" | ||
mnt := tmpDir + "/mnt" | ||
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os.Mkdir(orig, 0700) | ||
os.Mkdir(mnt, 0700) | ||
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var pfs pathfs.FileSystem | ||
pfs = pathfs.NewLoopbackFileSystem(orig) | ||
pfs = pathfs.NewLockingFileSystem(pfs) | ||
ufs := &umaskFS{FileSystem: pfs} | ||
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pathFs := pathfs.NewPathNodeFs(ufs, &pathfs.PathNodeFsOptions{ | ||
ClientInodes: true}) | ||
connector := nodefs.NewFileSystemConnector(pathFs.Root(), | ||
&nodefs.Options{ | ||
EntryTimeout: testTtl, | ||
AttrTimeout: testTtl, | ||
NegativeTimeout: 0.0, | ||
Debug: testutil.VerboseTest(), | ||
LookupKnownChildren: true, | ||
}) | ||
server, err := fuse.NewServer( | ||
fuse.NewRawFileSystem(connector.RawFS()), mnt, &fuse.MountOptions{ | ||
SingleThreaded: true, | ||
Debug: testutil.VerboseTest(), | ||
}) | ||
if err != nil { | ||
t.Fatal("NewServer:", err) | ||
} | ||
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go server.Serve() | ||
if err := server.WaitMount(); err != nil { | ||
t.Fatal("WaitMount", err) | ||
} | ||
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// Make sure system setting does not affect test. | ||
mask := 020 | ||
cmd := exec.Command("/bin/sh", "-c", | ||
fmt.Sprintf("umask %o && cd %s && mkdir x && touch y", mask, mnt)) | ||
if err := cmd.Run(); err != nil { | ||
t.Fatalf("cmd.Run: %v", err) | ||
} | ||
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if err := server.Unmount(); err != nil { | ||
t.Fatalf("Unmount %v", err) | ||
} | ||
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if got, want := ufs.mkdirMode&0777, uint32(0757); got != want { | ||
t.Errorf("got dirMode %o want %o", got, want) | ||
} | ||
if got, want := ufs.createMode&0666, uint32(0646); got != want { | ||
t.Errorf("got createMode %o want %o", got, want) | ||
} | ||
} |
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