syncthing/lib/osutil/osutil_test.go

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// Copyright (C) 2014 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package osutil_test
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import (
"io"
"path/filepath"
"strings"
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"testing"
"github.com/syncthing/syncthing/lib/fs"
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"github.com/syncthing/syncthing/lib/osutil"
"github.com/syncthing/syncthing/lib/rand"
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)
func TestIsDeleted(t *testing.T) {
type tc struct {
path string
isDel bool
}
cases := []tc{
{"del", true},
{"del.file", false},
{filepath.Join("del", "del"), true},
{"file", false},
{"linkToFile", false},
{"linkToDel", false},
{"linkToDir", false},
{filepath.Join("linkToDir", "file"), true},
{filepath.Join("file", "behindFile"), true},
{"dir", false},
{"dir.file", false},
{filepath.Join("dir", "file"), false},
{filepath.Join("dir", "del"), true},
{filepath.Join("dir", "del", "del"), true},
{filepath.Join("del", "del", "del"), true},
}
testFs := fs.NewFilesystem(fs.FilesystemTypeFake, "testdata")
testFs.MkdirAll("dir", 0o777)
for _, f := range []string{"file", "del.file", "dir.file", filepath.Join("dir", "file")} {
fd, err := testFs.Create(f)
if err != nil {
t.Fatal(err)
}
fd.Close()
}
for _, n := range []string{"Dir", "File", "Del"} {
if err := testFs.CreateSymlink(strings.ToLower(n), "linkTo"+n); err != nil {
t.Fatal(err)
}
}
for _, c := range cases {
if osutil.IsDeleted(testFs, c.path) != c.isDel {
t.Errorf("IsDeleted(%v) != %v", c.path, c.isDel)
}
}
}
func TestRenameOrCopy(t *testing.T) {
sameFs := fs.NewFilesystem(fs.FilesystemTypeFake, rand.String(32)+"?content=true")
tests := []struct {
src fs.Filesystem
dst fs.Filesystem
file string
}{
{
src: sameFs,
dst: sameFs,
file: "file",
},
{
src: fs.NewFilesystem(fs.FilesystemTypeFake, rand.String(32)+"?content=true"),
dst: fs.NewFilesystem(fs.FilesystemTypeFake, rand.String(32)+"?content=true"),
file: "file",
},
{
src: fs.NewFilesystem(fs.FilesystemTypeFake, `fake://fake/?files=1&seed=42`),
dst: fs.NewFilesystem(fs.FilesystemTypeFake, rand.String(32)+"?content=true"),
file: osutil.NativeFilename(`05/7a/4d52f284145b9fe8`),
},
}
for _, test := range tests {
content := test.src.URI()
if _, err := test.src.Lstat(test.file); err != nil {
if !fs.IsNotExist(err) {
t.Fatal(err)
}
if fd, err := test.src.Create(test.file); err != nil {
t.Fatal(err)
} else {
if _, err := fd.Write([]byte(test.src.URI())); err != nil {
t.Fatal(err)
}
_ = fd.Close()
}
} else {
fd, err := test.src.Open(test.file)
if err != nil {
t.Fatal(err)
}
buf, err := io.ReadAll(fd)
if err != nil {
t.Fatal(err)
}
_ = fd.Close()
content = string(buf)
}
err := osutil.RenameOrCopy(fs.CopyRangeMethodStandard, test.src, test.dst, test.file, "new")
if err != nil {
t.Fatal(err)
}
if fd, err := test.dst.Open("new"); err != nil {
t.Fatal(err)
} else {
t.Cleanup(func() {
_ = fd.Close()
})
if buf, err := io.ReadAll(fd); err != nil {
t.Fatal(err)
} else if string(buf) != content {
t.Fatalf("expected %s got %s", content, string(buf))
}
}
}
}