130 lines
3.0 KiB
Go
130 lines
3.0 KiB
Go
// Copyright (C) 2015 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package versioner
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import (
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"io"
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"os"
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"testing"
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"time"
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"github.com/syncthing/syncthing/lib/config"
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"github.com/syncthing/syncthing/lib/fs"
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)
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func TestTrashcanArchiveRestoreSwitcharoo(t *testing.T) {
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// This tests that trashcan versioner restoration correctly archives existing file, because trashcan versioner
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// files are untagged, archiving existing file to replace with a restored version technically should collide in
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// in names.
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tmpDir1, err := os.MkdirTemp("", "")
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if err != nil {
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t.Fatal(err)
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}
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tmpDir2, err := os.MkdirTemp("", "")
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if err != nil {
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t.Fatal(err)
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}
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cfg := config.FolderConfiguration{
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FilesystemType: fs.FilesystemTypeBasic,
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Path: tmpDir1,
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Versioning: config.VersioningConfiguration{
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FSType: fs.FilesystemTypeBasic,
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FSPath: tmpDir2,
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},
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}
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folderFs := cfg.Filesystem()
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versionsFs := fs.NewFilesystem(fs.FilesystemTypeBasic, tmpDir2)
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writeFile(t, folderFs, "file", "A")
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versioner := newTrashcan(cfg)
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if err := versioner.Archive("file"); err != nil {
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t.Fatal(err)
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}
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if _, err := folderFs.Stat("file"); !fs.IsNotExist(err) {
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t.Fatal(err)
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}
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// Check versions
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versions, err := versioner.GetVersions()
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if err != nil {
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t.Fatal(err)
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}
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fileVersions := versions["file"]
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if len(fileVersions) != 1 {
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t.Fatalf("unexpected number of versions: %d != 1", len(fileVersions))
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}
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fileVersion := fileVersions[0]
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if !fileVersion.ModTime.Equal(fileVersion.VersionTime) {
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t.Error("time mismatch")
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}
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if content := readFile(t, versionsFs, "file"); content != "A" {
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t.Errorf("expected A got %s", content)
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}
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writeFile(t, folderFs, "file", "B")
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versionInfo, err := versionsFs.Stat("file")
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if err != nil {
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t.Fatal(err)
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}
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if !versionInfo.ModTime().Truncate(time.Second).Equal(fileVersion.ModTime) {
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t.Error("time mismatch")
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}
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if err := versioner.Restore("file", fileVersion.VersionTime); err != nil {
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t.Fatal(err)
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}
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if content := readFile(t, folderFs, "file"); content != "A" {
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t.Errorf("expected A got %s", content)
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}
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if content := readFile(t, versionsFs, "file"); content != "B" {
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t.Errorf("expected B got %s", content)
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}
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}
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func readFile(t *testing.T, filesystem fs.Filesystem, name string) string {
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t.Helper()
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fd, err := filesystem.Open(name)
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if err != nil {
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t.Fatal(err)
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}
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defer fd.Close()
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buf, err := io.ReadAll(fd)
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if err != nil {
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t.Fatal(err)
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}
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return string(buf)
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}
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func writeFile(t *testing.T, filesystem fs.Filesystem, name, content string) {
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fd, err := filesystem.OpenFile(name, fs.OptReadWrite|fs.OptCreate, 0777)
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if err != nil {
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t.Fatal(err)
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}
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defer fd.Close()
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if err := fd.Truncate(int64(len(content))); err != nil {
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t.Fatal(err)
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}
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if n, err := fd.Write([]byte(content)); err != nil || n != len(content) {
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t.Fatal(n, len(content), err)
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}
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}
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