// Make sure that the copier routine hashes the content when asked, and pulls
// if it fails to find the block.
func TestLastResortPulling(t *testing.T) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db)
m.AddFolder(defaultFolderConfig)
// Add a file to index (with the incorrect block representation, as content
// doesn't actually match the block list)
file := protocol.FileInfo{
Name: "empty",
Flags: 0,
Modified: 0,
Blocks: []protocol.BlockInfo{blocks[0]},
}
m.updateLocals("default", []protocol.FileInfo{file})
// Pretend that we are handling a new file of the same content but
// with a different name (causing to copy that particular block)
file.Name = "newfile"
iterFn := func(folder, file string, index int32) bool {
return true
}
// Check that that particular block is there
if !m.finder.Iterate(folders, blocks[0].Hash, iterFn) {
t.Error("Expected block not found")
}
p := rwFolder{
folder: "default",
dir: "testdata",
model: m,
errors: make(map[string]string),
errorsMut: sync.NewMutex(),
}
copyChan := make(chan copyBlocksState)
pullChan := make(chan pullBlockState, 1)
finisherChan := make(chan *sharedPullerState, 1)
// Run a single copier routine
go p.copierRoutine(copyChan, pullChan, finisherChan)
p.handleFile(file, copyChan, finisherChan)
// Copier should hash empty file, realise that the region it has read
// doesn't match the hash which was advertised by the block map, fix it
// and ask to pull the block.
<-pullChan
// Verify that it did fix the incorrect hash.
if m.finder.Iterate(folders, blocks[0].Hash, iterFn) {
t.Error("Found unexpected block")
}
if !m.finder.Iterate(folders, scanner.SHA256OfNothing, iterFn) {
t.Error("Expected block not found")
}
(<-finisherChan).fd.Close()
os.Remove(filepath.Join("testdata", defTempNamer.TempName("newfile")))
}
