mirror of
https://github.com/octoleo/syncthing.git
synced 2024-12-23 03:18:59 +00:00
544 lines
15 KiB
Go
544 lines
15 KiB
Go
// Copyright (C) 2018 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 model
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import (
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"bytes"
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"context"
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"path/filepath"
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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/events"
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"github.com/syncthing/syncthing/lib/fs"
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"github.com/syncthing/syncthing/lib/protocol"
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"github.com/syncthing/syncthing/lib/scanner"
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)
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func TestRecvOnlyRevertDeletes(t *testing.T) {
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// Make sure that we delete extraneous files and directories when we hit
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// Revert.
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// Get us a model up and running
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m, f, wcfgCancel := setupROFolder(t)
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defer wcfgCancel()
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ffs := f.Filesystem(nil)
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defer cleanupModel(m)
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conn := addFakeConn(m, device1, f.ID)
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// Create some test data
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for _, dir := range []string{".stfolder", "ignDir", "unknownDir"} {
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must(t, ffs.MkdirAll(dir, 0o755))
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}
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writeFilePerm(t, ffs, "ignDir/ignFile", []byte("hello\n"), 0o644)
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writeFilePerm(t, ffs, "unknownDir/unknownFile", []byte("hello\n"), 0o644)
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writeFilePerm(t, ffs, ".stignore", []byte("ignDir\n"), 0o644)
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knownFiles := setupKnownFiles(t, ffs, []byte("hello\n"))
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// Send and index update for the known stuff
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must(t, m.Index(conn, "ro", knownFiles))
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f.updateLocalsFromScanning(knownFiles)
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size := globalSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Global: expected 1 file and 1 directory: %+v", size)
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}
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// Scan, should discover the other stuff in the folder
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must(t, m.ScanFolder("ro"))
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// We should now have two files and two directories, with global state unchanged.
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size = globalSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Global: expected 2 files and 2 directories: %+v", size)
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}
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size = localSize(t, m, "ro")
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if size.Files != 2 || size.Directories != 2 {
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t.Fatalf("Local: expected 2 files and 2 directories: %+v", size)
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}
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Files+size.Directories == 0 {
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t.Fatalf("ROChanged: expected something: %+v", size)
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}
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// Revert should delete the unknown stuff
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m.Revert("ro")
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// These should still exist
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for _, p := range []string{"knownDir/knownFile", "ignDir/ignFile"} {
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if _, err := ffs.Stat(p); err != nil {
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t.Error("Unexpected error:", err)
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}
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}
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// These should have been removed
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for _, p := range []string{"unknownDir", "unknownDir/unknownFile"} {
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if _, err := ffs.Stat(p); !fs.IsNotExist(err) {
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t.Error("Unexpected existing thing:", p)
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}
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}
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// We should now have one file and directory again.
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size = globalSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Global: expected 1 files and 1 directories: %+v", size)
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}
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size = localSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Local: expected 1 files and 1 directories: %+v", size)
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}
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}
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func TestRecvOnlyRevertNeeds(t *testing.T) {
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// Make sure that a new file gets picked up and considered latest, then
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// gets considered old when we hit Revert.
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// Get us a model up and running
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m, f, wcfgCancel := setupROFolder(t)
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defer wcfgCancel()
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ffs := f.Filesystem(nil)
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defer cleanupModel(m)
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conn := addFakeConn(m, device1, f.ID)
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// Create some test data
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must(t, ffs.MkdirAll(".stfolder", 0o755))
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oldData := []byte("hello\n")
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knownFiles := setupKnownFiles(t, ffs, oldData)
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// Send and index update for the known stuff
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must(t, m.Index(conn, "ro", knownFiles))
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f.updateLocalsFromScanning(knownFiles)
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// Scan the folder.
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must(t, m.ScanFolder("ro"))
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// Everything should be in sync.
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size := globalSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Global: expected 1 file and 1 directory: %+v", size)
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}
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size = localSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Local: expected 1 file and 1 directory: %+v", size)
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}
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size = needSizeLocal(t, m, "ro")
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if size.Files+size.Directories > 0 {
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t.Fatalf("Need: expected nothing: %+v", size)
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}
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Files+size.Directories > 0 {
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t.Fatalf("ROChanged: expected nothing: %+v", size)
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}
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// Update the file.
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newData := []byte("totally different data\n")
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writeFilePerm(t, ffs, "knownDir/knownFile", newData, 0o644)
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// Rescan.
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must(t, m.ScanFolder("ro"))
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// We now have a newer file than the rest of the cluster. Global state should reflect this.
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size = globalSize(t, m, "ro")
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const sizeOfDir = 128
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if size.Files != 1 || size.Bytes != sizeOfDir+int64(len(oldData)) {
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t.Fatalf("Global: expected no change due to the new file: %+v", size)
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}
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size = localSize(t, m, "ro")
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if size.Files != 1 || size.Bytes != sizeOfDir+int64(len(newData)) {
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t.Fatalf("Local: expected the new file to be reflected: %+v", size)
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}
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size = needSizeLocal(t, m, "ro")
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if size.Files+size.Directories > 0 {
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t.Fatalf("Need: expected nothing: %+v", size)
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}
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Files+size.Directories == 0 {
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t.Fatalf("ROChanged: expected something: %+v", size)
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}
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// We hit the Revert button. The file that was new should become old.
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m.Revert("ro")
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size = globalSize(t, m, "ro")
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if size.Files != 1 || size.Bytes != sizeOfDir+int64(len(oldData)) {
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t.Fatalf("Global: expected the global size to revert: %+v", size)
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}
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size = localSize(t, m, "ro")
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if size.Files != 1 || size.Bytes != sizeOfDir+int64(len(newData)) {
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t.Fatalf("Local: expected the local size to remain: %+v", size)
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}
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size = needSizeLocal(t, m, "ro")
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if size.Files != 1 || size.Bytes != int64(len(oldData)) {
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t.Fatalf("Local: expected to need the old file data: %+v", size)
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}
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}
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func TestRecvOnlyUndoChanges(t *testing.T) {
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// Get us a model up and running
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m, f, wcfgCancel := setupROFolder(t)
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defer wcfgCancel()
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ffs := f.Filesystem(nil)
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defer cleanupModel(m)
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conn := addFakeConn(m, device1, f.ID)
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// Create some test data
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must(t, ffs.MkdirAll(".stfolder", 0o755))
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oldData := []byte("hello\n")
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knownFiles := setupKnownFiles(t, ffs, oldData)
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// Send an index update for the known stuff
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must(t, m.Index(conn, "ro", knownFiles))
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f.updateLocalsFromScanning(knownFiles)
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// Scan the folder.
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must(t, m.ScanFolder("ro"))
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// Everything should be in sync.
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size := globalSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Global: expected 1 file and 1 directory: %+v", size)
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}
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size = localSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Local: expected 1 file and 1 directory: %+v", size)
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}
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size = needSizeLocal(t, m, "ro")
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if size.Files+size.Directories > 0 {
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t.Fatalf("Need: expected nothing: %+v", size)
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}
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Files+size.Directories > 0 {
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t.Fatalf("ROChanged: expected nothing: %+v", size)
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}
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// Create a file and modify another
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const file = "foo"
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writeFilePerm(t, ffs, file, []byte("hello\n"), 0o644)
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writeFilePerm(t, ffs, "knownDir/knownFile", []byte("bye\n"), 0o644)
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must(t, m.ScanFolder("ro"))
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Files != 2 {
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t.Fatalf("Receive only: expected 2 files: %+v", size)
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}
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// Remove the file again and undo the modification
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must(t, ffs.Remove(file))
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writeFilePerm(t, ffs, "knownDir/knownFile", oldData, 0o644)
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must(t, ffs.Chtimes("knownDir/knownFile", knownFiles[1].ModTime(), knownFiles[1].ModTime()))
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must(t, m.ScanFolder("ro"))
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Files+size.Directories+size.Deleted != 0 {
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t.Fatalf("Receive only: expected all zero: %+v", size)
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}
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}
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func TestRecvOnlyDeletedRemoteDrop(t *testing.T) {
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// Get us a model up and running
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m, f, wcfgCancel := setupROFolder(t)
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defer wcfgCancel()
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ffs := f.Filesystem(nil)
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defer cleanupModel(m)
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conn := addFakeConn(m, device1, f.ID)
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// Create some test data
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must(t, ffs.MkdirAll(".stfolder", 0o755))
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oldData := []byte("hello\n")
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knownFiles := setupKnownFiles(t, ffs, oldData)
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// Send an index update for the known stuff
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must(t, m.Index(conn, "ro", knownFiles))
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f.updateLocalsFromScanning(knownFiles)
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// Scan the folder.
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must(t, m.ScanFolder("ro"))
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// Everything should be in sync.
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size := globalSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Global: expected 1 file and 1 directory: %+v", size)
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}
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size = localSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Local: expected 1 file and 1 directory: %+v", size)
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}
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size = needSizeLocal(t, m, "ro")
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if size.Files+size.Directories > 0 {
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t.Fatalf("Need: expected nothing: %+v", size)
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}
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Files+size.Directories > 0 {
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t.Fatalf("ROChanged: expected nothing: %+v", size)
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}
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// Delete our file
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must(t, ffs.Remove(knownFiles[1].Name))
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must(t, m.ScanFolder("ro"))
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Deleted != 1 {
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t.Fatalf("Receive only: expected 1 deleted: %+v", size)
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}
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// Drop the remote
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f.fset.Drop(device1)
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must(t, m.ScanFolder("ro"))
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Deleted != 0 {
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t.Fatalf("Receive only: expected no deleted: %+v", size)
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}
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}
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func TestRecvOnlyRemoteUndoChanges(t *testing.T) {
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// Get us a model up and running
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m, f, wcfgCancel := setupROFolder(t)
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defer wcfgCancel()
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ffs := f.Filesystem(nil)
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defer cleanupModel(m)
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conn := addFakeConn(m, device1, f.ID)
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// Create some test data
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must(t, ffs.MkdirAll(".stfolder", 0o755))
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oldData := []byte("hello\n")
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knownFiles := setupKnownFiles(t, ffs, oldData)
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// Send an index update for the known stuff
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must(t, m.Index(conn, "ro", knownFiles))
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f.updateLocalsFromScanning(knownFiles)
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// Scan the folder.
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must(t, m.ScanFolder("ro"))
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// Everything should be in sync.
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size := globalSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Global: expected 1 file and 1 directory: %+v", size)
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}
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size = localSize(t, m, "ro")
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if size.Files != 1 || size.Directories != 1 {
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t.Fatalf("Local: expected 1 file and 1 directory: %+v", size)
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}
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size = needSizeLocal(t, m, "ro")
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if size.Files+size.Directories > 0 {
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t.Fatalf("Need: expected nothing: %+v", size)
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}
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Files+size.Directories > 0 {
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t.Fatalf("ROChanged: expected nothing: %+v", size)
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}
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// Create a file and modify another
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const file = "foo"
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knownFile := filepath.Join("knownDir", "knownFile")
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writeFilePerm(t, ffs, file, []byte("hello\n"), 0o644)
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writeFilePerm(t, ffs, knownFile, []byte("bye\n"), 0o644)
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must(t, m.ScanFolder("ro"))
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Files != 2 {
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t.Fatalf("Receive only: expected 2 files: %+v", size)
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}
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// Do the same changes on the remote
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files := make([]protocol.FileInfo, 0, 2)
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snap := fsetSnapshot(t, f.fset)
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snap.WithHave(protocol.LocalDeviceID, func(fi protocol.FileIntf) bool {
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if n := fi.FileName(); n != file && n != knownFile {
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return true
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}
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f := fi.(protocol.FileInfo)
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f.LocalFlags = 0
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f.Version = protocol.Vector{}.Update(device1.Short())
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files = append(files, f)
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return true
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})
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snap.Release()
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must(t, m.IndexUpdate(conn, "ro", files))
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// Ensure the pull to resolve conflicts (content identical) happened
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must(t, f.doInSync(func() error {
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f.pull()
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return nil
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}))
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size = receiveOnlyChangedSize(t, m, "ro")
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if size.Files+size.Directories+size.Deleted != 0 {
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t.Fatalf("Receive only: expected all zero: %+v", size)
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}
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}
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func TestRecvOnlyRevertOwnID(t *testing.T) {
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// If the folder was receive-only in the past, the global item might have
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// only our id in the version vector and be valid. There was a bug based on
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// the incorrect assumption that this can never happen.
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// Get us a model up and running
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m, f, wcfgCancel := setupROFolder(t)
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defer wcfgCancel()
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ffs := f.Filesystem(nil)
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defer cleanupModel(m)
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conn := addFakeConn(m, device1, f.ID)
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// Create some test data
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must(t, ffs.MkdirAll(".stfolder", 0o755))
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data := []byte("hello\n")
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name := "foo"
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writeFilePerm(t, ffs, name, data, 0o644)
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// Make sure the file is scanned and locally changed
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must(t, m.ScanFolder("ro"))
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fi, ok := m.testCurrentFolderFile(f.ID, name)
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if !ok {
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t.Fatal("File missing")
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} else if !fi.IsReceiveOnlyChanged() {
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t.Fatal("File should be receiveonly changed")
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}
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fi.LocalFlags = 0
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v := fi.Version.Counters[0].Value
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fi.Version.Counters[0].Value = uint64(time.Unix(int64(v), 0).Add(-10 * time.Second).Unix())
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// Monitor the outcome
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sub := f.evLogger.Subscribe(events.LocalIndexUpdated)
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defer sub.Unsubscribe()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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go func() {
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for {
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select {
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case <-ctx.Done():
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return
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case <-sub.C():
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if file, _ := m.testCurrentFolderFile(f.ID, name); file.Deleted {
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t.Error("local file was deleted")
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cancel()
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} else if file.IsEquivalent(fi, f.modTimeWindow) {
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cancel() // That's what we are waiting for
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}
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}
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}
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}()
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// Receive an index update with an older version, but valid and then revert
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must(t, m.Index(conn, f.ID, []protocol.FileInfo{fi}))
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f.Revert()
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select {
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case <-ctx.Done():
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case <-time.After(10 * time.Second):
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t.Fatal("timed out")
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}
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}
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func setupKnownFiles(t *testing.T, ffs fs.Filesystem, data []byte) []protocol.FileInfo {
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t.Helper()
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must(t, ffs.MkdirAll("knownDir", 0o755))
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writeFilePerm(t, ffs, "knownDir/knownFile", data, 0o644)
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t0 := time.Now().Add(-1 * time.Minute)
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must(t, ffs.Chtimes("knownDir/knownFile", t0, t0))
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fi, err := ffs.Stat("knownDir/knownFile")
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if err != nil {
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t.Fatal(err)
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}
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blocks, _ := scanner.Blocks(context.TODO(), bytes.NewReader(data), protocol.BlockSize(int64(len(data))), int64(len(data)), nil, true)
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knownFiles := []protocol.FileInfo{
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{
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Name: "knownDir",
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Type: protocol.FileInfoTypeDirectory,
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|
Permissions: 0o755,
|
|
Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 42}}},
|
|
Sequence: 42,
|
|
},
|
|
{
|
|
Name: "knownDir/knownFile",
|
|
Type: protocol.FileInfoTypeFile,
|
|
Permissions: 0o644,
|
|
Size: fi.Size(),
|
|
ModifiedS: fi.ModTime().Unix(),
|
|
ModifiedNs: int(fi.ModTime().UnixNano() % 1e9),
|
|
Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 42}}},
|
|
Sequence: 42,
|
|
Blocks: blocks,
|
|
},
|
|
}
|
|
|
|
return knownFiles
|
|
}
|
|
|
|
func setupROFolder(t *testing.T) (*testModel, *receiveOnlyFolder, context.CancelFunc) {
|
|
t.Helper()
|
|
|
|
w, cancel := newConfigWrapper(defaultCfg)
|
|
cfg := w.RawCopy()
|
|
fcfg := newFolderConfig()
|
|
fcfg.ID = "ro"
|
|
fcfg.Label = "ro"
|
|
fcfg.Type = config.FolderTypeReceiveOnly
|
|
cfg.Folders = []config.FolderConfiguration{fcfg}
|
|
replace(t, w, cfg)
|
|
|
|
m := newModel(t, w, myID, "syncthing", "dev", nil)
|
|
m.ServeBackground()
|
|
<-m.started
|
|
must(t, m.ScanFolder("ro"))
|
|
|
|
m.fmut.RLock()
|
|
defer m.fmut.RUnlock()
|
|
f := m.folderRunners["ro"].(*receiveOnlyFolder)
|
|
|
|
return m, f, cancel
|
|
}
|