632 lines
16 KiB
Go
632 lines
16 KiB
Go
// 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
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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 db
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import (
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"bytes"
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"testing"
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"github.com/syncthing/syncthing/lib/db/backend"
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"github.com/syncthing/syncthing/lib/fs"
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"github.com/syncthing/syncthing/lib/protocol"
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)
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func genBlocks(n int) []protocol.BlockInfo {
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b := make([]protocol.BlockInfo, n)
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for i := range b {
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h := make([]byte, 32)
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for j := range h {
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h[j] = byte(i + j)
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}
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b[i].Size = int32(i)
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b[i].Hash = h
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}
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return b
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}
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func TestIgnoredFiles(t *testing.T) {
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ldb, err := openJSONS("testdata/v0.14.48-ignoredfiles.db.jsons")
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if err != nil {
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t.Fatal(err)
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}
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db := NewLowlevel(ldb)
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defer db.Close()
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if err := UpdateSchema(db); err != nil {
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t.Fatal(err)
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}
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fs := NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), db)
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// The contents of the database are like this:
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//
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// fs := NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), db)
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// fs.Update(protocol.LocalDeviceID, []protocol.FileInfo{
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// { // invalid (ignored) file
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// Name: "foo",
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// Type: protocol.FileInfoTypeFile,
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// Invalid: true,
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// Version: protocol.Vector{Counters: []protocol.Counter{{ID: 1, Value: 1000}}},
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// },
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// { // regular file
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// Name: "bar",
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// Type: protocol.FileInfoTypeFile,
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// Version: protocol.Vector{Counters: []protocol.Counter{{ID: 1, Value: 1001}}},
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// },
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// })
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// fs.Update(protocol.DeviceID{42}, []protocol.FileInfo{
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// { // invalid file
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// Name: "baz",
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// Type: protocol.FileInfoTypeFile,
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// Invalid: true,
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// Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 1000}}},
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// },
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// { // regular file
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// Name: "quux",
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// Type: protocol.FileInfoTypeFile,
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// Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 1002}}},
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// },
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// })
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// Local files should have the "ignored" bit in addition to just being
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// generally invalid if we want to look at the simulation of that bit.
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snap := fs.Snapshot()
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defer snap.Release()
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fi, ok := snap.Get(protocol.LocalDeviceID, "foo")
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if !ok {
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t.Fatal("foo should exist")
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}
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if !fi.IsInvalid() {
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t.Error("foo should be invalid")
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}
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if !fi.IsIgnored() {
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t.Error("foo should be ignored")
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}
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fi, ok = snap.Get(protocol.LocalDeviceID, "bar")
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if !ok {
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t.Fatal("bar should exist")
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}
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if fi.IsInvalid() {
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t.Error("bar should not be invalid")
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}
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if fi.IsIgnored() {
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t.Error("bar should not be ignored")
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}
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// Remote files have the invalid bit as usual, and the IsInvalid() method
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// should pick this up too.
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fi, ok = snap.Get(protocol.DeviceID{42}, "baz")
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if !ok {
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t.Fatal("baz should exist")
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}
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if !fi.IsInvalid() {
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t.Error("baz should be invalid")
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}
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if !fi.IsInvalid() {
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t.Error("baz should be invalid")
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}
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fi, ok = snap.Get(protocol.DeviceID{42}, "quux")
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if !ok {
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t.Fatal("quux should exist")
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}
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if fi.IsInvalid() {
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t.Error("quux should not be invalid")
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}
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if fi.IsInvalid() {
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t.Error("quux should not be invalid")
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}
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}
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const myID = 1
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var (
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remoteDevice0, remoteDevice1 protocol.DeviceID
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update0to3Folder = "UpdateSchema0to3"
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invalid = "invalid"
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slashPrefixed = "/notgood"
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haveUpdate0to3 map[protocol.DeviceID]fileList
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)
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func init() {
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remoteDevice0, _ = protocol.DeviceIDFromString("AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR")
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remoteDevice1, _ = protocol.DeviceIDFromString("I6KAH76-66SLLLB-5PFXSOA-UFJCDZC-YAOMLEK-CP2GB32-BV5RQST-3PSROAU")
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haveUpdate0to3 = map[protocol.DeviceID]fileList{
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protocol.LocalDeviceID: {
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protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
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protocol.FileInfo{Name: slashPrefixed, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
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},
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remoteDevice0: {
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protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Blocks: genBlocks(2)},
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protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(5), RawInvalid: true},
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protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, Blocks: genBlocks(7)},
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},
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remoteDevice1: {
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protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(7)},
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protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, Blocks: genBlocks(5), RawInvalid: true},
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protocol.FileInfo{Name: invalid, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1004}}}, Blocks: genBlocks(5), RawInvalid: true},
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},
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}
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}
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func TestUpdate0to3(t *testing.T) {
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ldb, err := openJSONS("testdata/v0.14.45-update0to3.db.jsons")
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if err != nil {
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t.Fatal(err)
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}
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db := NewLowlevel(ldb)
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defer db.Close()
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updater := schemaUpdater{db}
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folder := []byte(update0to3Folder)
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if err := updater.updateSchema0to1(0); err != nil {
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t.Fatal(err)
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}
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trans, err := db.newReadOnlyTransaction()
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if err != nil {
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t.Fatal(err)
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}
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defer trans.Release()
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if _, ok, err := trans.getFile(folder, protocol.LocalDeviceID[:], []byte(slashPrefixed)); err != nil {
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t.Fatal(err)
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} else if ok {
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t.Error("File prefixed by '/' was not removed during transition to schema 1")
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}
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var key []byte
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key, err = db.keyer.GenerateGlobalVersionKey(nil, folder, []byte(invalid))
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if err != nil {
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t.Fatal(err)
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}
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if _, err := db.Get(key); err != nil {
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t.Error("Invalid file wasn't added to global list")
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}
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if err := updater.updateSchema1to2(1); err != nil {
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t.Fatal(err)
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}
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found := false
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trans, err = db.newReadOnlyTransaction()
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if err != nil {
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t.Fatal(err)
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}
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defer trans.Release()
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_ = trans.withHaveSequence(folder, 0, func(fi protocol.FileIntf) bool {
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f := fi.(protocol.FileInfo)
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l.Infoln(f)
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if found {
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t.Error("Unexpected additional file via sequence", f.FileName())
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return true
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}
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if e := haveUpdate0to3[protocol.LocalDeviceID][0]; f.IsEquivalentOptional(e, 0, true, true, 0) {
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found = true
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} else {
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t.Errorf("Wrong file via sequence, got %v, expected %v", f, e)
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}
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return true
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})
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if !found {
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t.Error("Local file wasn't added to sequence bucket", err)
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}
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if err := updater.updateSchema2to3(2); err != nil {
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t.Fatal(err)
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}
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need := map[string]protocol.FileInfo{
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haveUpdate0to3[remoteDevice0][0].Name: haveUpdate0to3[remoteDevice0][0],
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haveUpdate0to3[remoteDevice1][0].Name: haveUpdate0to3[remoteDevice1][0],
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haveUpdate0to3[remoteDevice0][2].Name: haveUpdate0to3[remoteDevice0][2],
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}
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trans, err = db.newReadOnlyTransaction()
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if err != nil {
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t.Fatal(err)
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}
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defer trans.Release()
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key, err = trans.keyer.GenerateNeedFileKey(nil, folder, nil)
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if err != nil {
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t.Fatal(err)
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}
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dbi, err := trans.NewPrefixIterator(key)
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if err != nil {
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t.Fatal(err)
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}
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defer dbi.Release()
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for dbi.Next() {
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name := trans.keyer.NameFromGlobalVersionKey(dbi.Key())
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key, err = trans.keyer.GenerateGlobalVersionKey(key, folder, name)
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bs, err := trans.Get(key)
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if err != nil {
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t.Fatal(err)
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}
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var vl VersionListDeprecated
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if err := vl.Unmarshal(bs); err != nil {
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t.Fatal(err)
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}
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key, err = trans.keyer.GenerateDeviceFileKey(key, folder, vl.Versions[0].Device, name)
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fi, ok, err := trans.getFileTrunc(key, false)
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if err != nil {
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t.Fatal(err)
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}
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if !ok {
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t.Fatal("surprise missing global file", string(name), protocol.DeviceIDFromBytes(vl.Versions[0].Device))
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}
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e, ok := need[fi.FileName()]
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if !ok {
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t.Error("Got unexpected needed file:", fi.FileName())
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}
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f := fi.(protocol.FileInfo)
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delete(need, f.Name)
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if !f.IsEquivalentOptional(e, 0, true, true, 0) {
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t.Errorf("Wrong needed file, got %v, expected %v", f, e)
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}
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}
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if dbi.Error() != nil {
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t.Fatal(err)
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}
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for n := range need {
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t.Errorf(`Missing needed file "%v"`, n)
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}
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}
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// TestRepairSequence checks that a few hand-crafted messed-up sequence entries get fixed.
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func TestRepairSequence(t *testing.T) {
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db := NewLowlevel(backend.OpenMemory())
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defer db.Close()
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folderStr := "test"
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folder := []byte(folderStr)
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id := protocol.LocalDeviceID
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short := protocol.LocalDeviceID.Short()
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files := []protocol.FileInfo{
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{Name: "fine", Blocks: genBlocks(1)},
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{Name: "duplicate", Blocks: genBlocks(2)},
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{Name: "missing", Blocks: genBlocks(3)},
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{Name: "overwriting", Blocks: genBlocks(4)},
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{Name: "inconsistent", Blocks: genBlocks(5)},
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}
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for i, f := range files {
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files[i].Version = f.Version.Update(short)
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}
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trans, err := db.newReadWriteTransaction()
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if err != nil {
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t.Fatal(err)
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}
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defer trans.close()
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addFile := func(f protocol.FileInfo, seq int64) {
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dk, err := trans.keyer.GenerateDeviceFileKey(nil, folder, id[:], []byte(f.Name))
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if err != nil {
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t.Fatal(err)
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}
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if err := trans.putFile(dk, f, false); err != nil {
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t.Fatal(err)
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}
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sk, err := trans.keyer.GenerateSequenceKey(nil, folder, seq)
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if err != nil {
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t.Fatal(err)
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}
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if err := trans.Put(sk, dk); err != nil {
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t.Fatal(err)
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}
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}
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// Plain normal entry
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var seq int64 = 1
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files[0].Sequence = 1
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addFile(files[0], seq)
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// Second entry once updated with original sequence still in place
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f := files[1]
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f.Sequence = int64(len(files) + 1)
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addFile(f, f.Sequence)
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// Original sequence entry
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seq++
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sk, err := trans.keyer.GenerateSequenceKey(nil, folder, seq)
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if err != nil {
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t.Fatal(err)
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}
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dk, err := trans.keyer.GenerateDeviceFileKey(nil, folder, id[:], []byte(f.Name))
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if err != nil {
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t.Fatal(err)
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}
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if err := trans.Put(sk, dk); err != nil {
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t.Fatal(err)
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}
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// File later overwritten thus missing sequence entry
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seq++
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files[2].Sequence = seq
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addFile(files[2], seq)
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// File overwriting previous sequence entry (no seq bump)
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seq++
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files[3].Sequence = seq
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addFile(files[3], seq)
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// Inconistent file
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seq++
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files[4].Sequence = 101
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addFile(files[4], seq)
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// And a sequence entry pointing at nothing because why not
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sk, err = trans.keyer.GenerateSequenceKey(nil, folder, 100001)
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if err != nil {
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t.Fatal(err)
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}
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dk, err = trans.keyer.GenerateDeviceFileKey(nil, folder, id[:], []byte("nonexisting"))
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if err != nil {
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t.Fatal(err)
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}
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if err := trans.Put(sk, dk); err != nil {
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t.Fatal(err)
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}
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if err := trans.Commit(); err != nil {
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t.Fatal(err)
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}
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// Loading the metadata for the first time means a "re"calculation happens,
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// along which the sequences get repaired too.
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db.gcMut.RLock()
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_ = db.loadMetadataTracker(folderStr)
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db.gcMut.RUnlock()
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if err != nil {
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t.Fatal(err)
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}
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// Check the db
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ro, err := db.newReadOnlyTransaction()
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if err != nil {
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t.Fatal(err)
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}
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defer ro.close()
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it, err := ro.NewPrefixIterator([]byte{KeyTypeDevice})
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if err != nil {
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t.Fatal(err)
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}
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defer it.Release()
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for it.Next() {
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fi, err := ro.unmarshalTrunc(it.Value(), true)
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if err != nil {
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t.Fatal(err)
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}
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if sk, err = ro.keyer.GenerateSequenceKey(sk, folder, fi.SequenceNo()); err != nil {
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t.Fatal(err)
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}
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dk, err := ro.Get(sk)
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if backend.IsNotFound(err) {
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t.Error("Missing sequence entry for", fi.FileName())
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} else if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(it.Key(), dk) {
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t.Errorf("Wrong key for %v, expected %s, got %s", f.FileName(), it.Key(), dk)
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}
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}
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if err := it.Error(); err != nil {
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t.Fatal(err)
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}
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it.Release()
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it, err = ro.NewPrefixIterator([]byte{KeyTypeSequence})
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if err != nil {
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t.Fatal(err)
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}
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defer it.Release()
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for it.Next() {
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intf, ok, err := ro.getFileTrunc(it.Value(), false)
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if err != nil {
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t.Fatal(err)
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}
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fi := intf.(protocol.FileInfo)
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seq := ro.keyer.SequenceFromSequenceKey(it.Key())
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if !ok {
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t.Errorf("Sequence entry %v points at nothing", seq)
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} else if fi.SequenceNo() != seq {
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t.Errorf("Inconsistent sequence entry for %v: %v != %v", fi.FileName(), fi.SequenceNo(), seq)
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}
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if len(fi.Blocks) == 0 {
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t.Error("Missing blocks in", fi.FileName())
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}
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}
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if err := it.Error(); err != nil {
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t.Fatal(err)
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}
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it.Release()
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}
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func TestDowngrade(t *testing.T) {
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db := NewLowlevel(backend.OpenMemory())
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defer db.Close()
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// sets the min version etc
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if err := UpdateSchema(db); err != nil {
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t.Fatal(err)
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}
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// Bump the database version to something newer than we actually support
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miscDB := NewMiscDataNamespace(db)
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if err := miscDB.PutInt64("dbVersion", dbVersion+1); err != nil {
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t.Fatal(err)
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}
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l.Infoln(dbVersion)
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// Pretend we just opened the DB and attempt to update it again
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err := UpdateSchema(db)
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if err, ok := err.(databaseDowngradeError); !ok {
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t.Fatal("Expected error due to database downgrade, got", err)
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} else if err.minSyncthingVersion != dbMinSyncthingVersion {
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t.Fatalf("Error has %v as min Syncthing version, expected %v", err.minSyncthingVersion, dbMinSyncthingVersion)
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}
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}
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func TestCheckGlobals(t *testing.T) {
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db := NewLowlevel(backend.OpenMemory())
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defer db.Close()
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fs := NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeFake, ""), db)
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// Add any file
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name := "foo"
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fs.Update(protocol.LocalDeviceID, []protocol.FileInfo{
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{
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Name: name,
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Type: protocol.FileInfoTypeFile,
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Version: protocol.Vector{Counters: []protocol.Counter{{ID: 1, Value: 1001}}},
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},
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})
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// Remove just the file entry
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if err := db.dropPrefix([]byte{KeyTypeDevice}); err != nil {
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t.Fatal(err)
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}
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// Clean up global entry of the now missing file
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if err := db.checkGlobals([]byte(fs.folder)); err != nil {
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t.Fatal(err)
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}
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// Check that the global entry is gone
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gk, err := db.keyer.GenerateGlobalVersionKey(nil, []byte(fs.folder), []byte(name))
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if err != nil {
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|
t.Fatal(err)
|
|
}
|
|
_, err = db.Get(gk)
|
|
if !backend.IsNotFound(err) {
|
|
t.Error("Expected key missing error, got", err)
|
|
}
|
|
}
|
|
|
|
func TestUpdateTo10(t *testing.T) {
|
|
ldb, err := openJSONS("./testdata/v1.4.0-updateTo10.json")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
db := NewLowlevel(ldb)
|
|
defer db.Close()
|
|
|
|
UpdateSchema(db)
|
|
|
|
folder := "test"
|
|
|
|
meta := db.getMetaAndCheck(folder)
|
|
|
|
empty := Counts{}
|
|
|
|
c := meta.Counts(protocol.LocalDeviceID, needFlag)
|
|
if c.Files != 1 {
|
|
t.Error("Expected 1 needed file locally, got", c.Files)
|
|
}
|
|
c.Files = 0
|
|
if c.Deleted != 1 {
|
|
t.Error("Expected 1 needed deletion locally, got", c.Deleted)
|
|
}
|
|
c.Deleted = 0
|
|
if !c.Equal(empty) {
|
|
t.Error("Expected all counts to be zero, got", c)
|
|
}
|
|
c = meta.Counts(remoteDevice0, needFlag)
|
|
if !c.Equal(empty) {
|
|
t.Error("Expected all counts to be zero, got", c)
|
|
}
|
|
|
|
trans, err := db.newReadOnlyTransaction()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer trans.Release()
|
|
// a
|
|
vl, err := trans.getGlobalVersions(nil, []byte(folder), []byte("a"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for _, v := range vl.RawVersions {
|
|
if !v.Deleted {
|
|
t.Error("Unexpected undeleted global version for a")
|
|
}
|
|
}
|
|
// b
|
|
vl, err = trans.getGlobalVersions(nil, []byte(folder), []byte("b"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !vl.RawVersions[0].Deleted {
|
|
t.Error("vl.Versions[0] not deleted for b")
|
|
}
|
|
if vl.RawVersions[1].Deleted {
|
|
t.Error("vl.Versions[1] deleted for b")
|
|
}
|
|
// c
|
|
vl, err = trans.getGlobalVersions(nil, []byte(folder), []byte("c"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if vl.RawVersions[0].Deleted {
|
|
t.Error("vl.Versions[0] deleted for c")
|
|
}
|
|
if !vl.RawVersions[1].Deleted {
|
|
t.Error("vl.Versions[1] not deleted for c")
|
|
}
|
|
}
|
|
|
|
func TestDropDuplicates(t *testing.T) {
|
|
names := []string{
|
|
"foo",
|
|
"bar",
|
|
"dcxvoijnds",
|
|
"3d/dsfase/4/ss2",
|
|
}
|
|
tcs := []struct{ in, out []int }{
|
|
{[]int{0}, []int{0}},
|
|
{[]int{0, 1}, []int{0, 1}},
|
|
{[]int{0, 1, 0, 1}, []int{0, 1}},
|
|
{[]int{0, 1, 1, 1, 1}, []int{0, 1}},
|
|
{[]int{0, 0, 0, 1}, []int{0, 1}},
|
|
{[]int{0, 1, 2, 3}, []int{0, 1, 2, 3}},
|
|
{[]int{3, 2, 1, 0, 0, 1, 2, 3}, []int{0, 1, 2, 3}},
|
|
{[]int{0, 1, 1, 3, 0, 1, 0, 1, 2, 3}, []int{0, 1, 2, 3}},
|
|
}
|
|
|
|
for tci, tc := range tcs {
|
|
inp := make([]protocol.FileInfo, len(tc.in))
|
|
expSeq := make(map[string]int)
|
|
for i, j := range tc.in {
|
|
inp[i] = protocol.FileInfo{Name: names[j], Sequence: int64(i)}
|
|
expSeq[names[j]] = i
|
|
}
|
|
outp := normalizeFilenamesAndDropDuplicates(inp)
|
|
if len(outp) != len(tc.out) {
|
|
t.Errorf("tc %v: Expected %v entries, got %v", tci, len(tc.out), len(outp))
|
|
continue
|
|
}
|
|
for i, f := range outp {
|
|
if exp := names[tc.out[i]]; exp != f.Name {
|
|
t.Errorf("tc %v: Got file %v at pos %v, expected %v", tci, f.Name, i, exp)
|
|
}
|
|
if exp := int64(expSeq[outp[i].Name]); exp != f.Sequence {
|
|
t.Errorf("tc %v: Got sequence %v at pos %v, expected %v", tci, f.Sequence, i, exp)
|
|
}
|
|
}
|
|
}
|
|
}
|