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// Copyright (C) 2018 The Syncthing Authors.
//
// 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 model
import (
"path/filepath"
"testing"
"github.com/d4l3k/messagediff"
"github.com/syncthing/syncthing/lib/build"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syncthing/syncthing/lib/rand"
)
type unifySubsCase struct {
in []string // input to unifySubs
exists []string // paths that exist in the database
out []string // expected output
}
func unifySubsCases() []unifySubsCase {
cases := []unifySubsCase{
{
// 0. trailing slashes are cleaned, known paths are just passed on
[]string{"foo/", "bar//"},
[]string{"foo", "bar"},
[]string{"bar", "foo"}, // the output is sorted
},
{
// 1. "foo/bar" gets trimmed as it's covered by foo
[]string{"foo", "bar/", "foo/bar/"},
[]string{"foo", "bar"},
[]string{"bar", "foo"},
},
{
// 2. "" gets simplified to the empty list; ie scan all
[]string{"foo", ""},
[]string{"foo"},
nil,
},
{
// 3. "foo/bar" is unknown, but it's kept
// because its parent is known
[]string{"foo/bar"},
[]string{"foo"},
[]string{"foo/bar"},
},
{
// 4. two independent known paths, both are kept
// "usr/lib" is not a prefix of "usr/libexec"
[]string{"usr/lib", "usr/libexec"},
[]string{"usr", "usr/lib", "usr/libexec"},
[]string{"usr/lib", "usr/libexec"},
},
{
// 5. "usr/lib" is a prefix of "usr/lib/exec"
[]string{"usr/lib", "usr/lib/exec"},
[]string{"usr", "usr/lib", "usr/libexec"},
[]string{"usr/lib"},
},
{
// 6. .stignore and .stfolder are special and are passed on
// verbatim even though they are unknown
[]string{config.DefaultMarkerName, ".stignore"},
[]string{},
[]string{config.DefaultMarkerName, ".stignore"},
},
{
// 7. but the presence of something else unknown forces an actual
// scan
[]string{config.DefaultMarkerName, ".stignore", "foo/bar"},
[]string{},
[]string{config.DefaultMarkerName, ".stignore", "foo"},
},
{
// 8. explicit request to scan all
nil,
[]string{"foo"},
nil,
},
{
// 9. empty list of subs
[]string{},
[]string{"foo"},
nil,
},
{
// 10. absolute path
[]string{"/foo"},
[]string{"foo"},
[]string{"foo"},
},
}
if build.IsWindows {
// Fixup path separators
for i := range cases {
for j, p := range cases[i].in {
cases[i].in[j] = filepath.FromSlash(p)
}
for j, p := range cases[i].exists {
cases[i].exists[j] = filepath.FromSlash(p)
}
for j, p := range cases[i].out {
cases[i].out[j] = filepath.FromSlash(p)
}
}
}
return cases
}
func unifyExists(f string, tc unifySubsCase) bool {
for _, e := range tc.exists {
if f == e {
return true
}
}
return false
}
func TestUnifySubs(t *testing.T) {
cases := unifySubsCases()
for i, tc := range cases {
exists := func(f string) bool {
return unifyExists(f, tc)
}
out := unifySubs(tc.in, exists)
if diff, equal := messagediff.PrettyDiff(tc.out, out); !equal {
t.Errorf("Case %d failed; got %v, expected %v, diff:\n%s", i, out, tc.out, diff)
}
}
}
func BenchmarkUnifySubs(b *testing.B) {
cases := unifySubsCases()
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
for _, tc := range cases {
exists := func(f string) bool {
return unifyExists(f, tc)
}
unifySubs(tc.in, exists)
}
}
}
func TestSetPlatformData(t *testing.T) {
// Checks that setPlatformData runs without error when applied to a temp
// file, named differently than the given FileInfo.
fs := fs.NewFilesystem(fs.FilesystemTypeFake, rand.String(32))
if fd, err := fs.Create("file.tmp"); err != nil {
t.Fatal(err)
} else {
fd.Close()
}
xattr := []protocol.Xattr{{Name: "user.foo", Value: []byte("bar")}}
fi := &protocol.FileInfo{
Name: "should be ignored",
Permissions: 0o400,
ModifiedS: 1234567890,
Platform: protocol.PlatformData{
Linux: &protocol.XattrData{Xattrs: xattr},
Darwin: &protocol.XattrData{Xattrs: xattr},
FreeBSD: &protocol.XattrData{Xattrs: xattr},
NetBSD: &protocol.XattrData{Xattrs: xattr},
},
}
// Minimum required to support setPlatformData
sr := &sendReceiveFolder{
folder: folder{
FolderConfiguration: config.FolderConfiguration{
SyncXattrs: true,
},
mtimefs: fs,
},
}
if err := sr.setPlatformData(fi, "file.tmp"); err != nil {
t.Error(err)
}
}
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