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Implement --size-only flag to sync on size not checksum & modtime - fixes #75

This commit is contained in:
Nick Craig-Wood
2015-06-06 08:38:45 +01:00
parent 5ab7970e18
commit e22b445cff
7 changed files with 105 additions and 22 deletions

View File

@@ -175,44 +175,100 @@ func TestCopyRedownload(t *testing.T) {
func TestSyncBasedOnCheckSum(t *testing.T) {
cleanTempDir(t)
fs.Config.CheckSum = true
defer func() { fs.Config.CheckSum = false }()
WriteFile("check sum", "", t1)
local_items := []fstest.Item{
{Path: "check sum", Size: 0, ModTime: t1, Md5sum: "d41d8cd98f00b204e9800998ecf8427e"},
}
fstest.CheckListingWithPrecision(t, flocal, local_items, fs.Config.ModifyWindow)
transfers_before := fs.Stats.GetTransfers()
fs.Stats.ResetCounters()
err := fs.Sync(fremote, flocal, true)
if err != nil {
t.Fatalf("Initial sync failed: %v", err)
}
transfers_after := fs.Stats.GetTransfers()
//We should have transferred exactly one file.
if transfers_after-1 != transfers_before {
t.Fatalf("Initial sync didn't do what we wanted.")
// We should have transferred exactly one file.
if fs.Stats.GetTransfers() != 1 {
t.Fatalf("Sync 1: want 1 transfer, got %d", fs.Stats.GetTransfers())
}
remote_items := local_items
fstest.CheckListingWithPrecision(t, fremote, remote_items, fs.Config.ModifyWindow)
err = os.Chtimes(localName+"/check sum", t2, t2)
if err != nil {
t.Fatalf("Chtimes failed: %v", err)
}
local_items = []fstest.Item{
{Path: "check sum", Size: 0, ModTime: t2, Md5sum: "d41d8cd98f00b204e9800998ecf8427e"},
}
fstest.CheckListingWithPrecision(t, flocal, local_items, fs.Config.ModifyWindow)
transfers_before = fs.Stats.GetTransfers()
fs.Stats.ResetCounters()
err = fs.Sync(fremote, flocal, true)
if err != nil {
t.Fatalf("Sync failed: %v", err)
}
transfers_after = fs.Stats.GetTransfers()
//We should have transferred no files
if transfers_after != transfers_before {
t.Fatalf("We synced, though we shouldn't have.")
// We should have transferred no files
if fs.Stats.GetTransfers() != 0 {
t.Fatalf("Sync 2: want 0 transfers, got %d", fs.Stats.GetTransfers())
}
remote_items := []fstest.Item{
{Path: "check sum", Size: 0, ModTime: t1, Md5sum: "d41d8cd98f00b204e9800998ecf8427e"},
}
fstest.CheckListingWithPrecision(t, flocal, local_items, fs.Config.ModifyWindow)
fstest.CheckListingWithPrecision(t, fremote, remote_items, fs.Config.ModifyWindow)
cleanTempDir(t)
}
// Create a file and sync it. Change the last modified date and the
// file contents but not the size. If we're only doing sync by size
// only, we expect nothing to to be transferred on the second sync.
func TestSyncSizeOnly(t *testing.T) {
cleanTempDir(t)
fs.Config.SizeOnly = true
defer func() { fs.Config.SizeOnly = false }()
WriteFile("sizeonly", "potato", t1)
local_items := []fstest.Item{
{Path: "check sum", Size: 0, ModTime: t2, Md5sum: "d41d8cd98f00b204e9800998ecf8427e"},
{Path: "sizeonly", Size: 6, ModTime: t1, Md5sum: "8ee2027983915ec78acc45027d874316"},
}
fstest.CheckListingWithPrecision(t, flocal, local_items, fs.Config.ModifyWindow)
fs.Stats.ResetCounters()
err := fs.Sync(fremote, flocal, true)
if err != nil {
t.Fatalf("Initial sync failed: %v", err)
}
// We should have transferred exactly one file.
if fs.Stats.GetTransfers() != 1 {
t.Fatalf("Sync 1: want 1 transfer, got %d", fs.Stats.GetTransfers())
}
remote_items := local_items
fstest.CheckListingWithPrecision(t, fremote, remote_items, fs.Config.ModifyWindow)
// Update mtime, md5sum but not length of file
WriteFile("sizeonly", "POTATO", t2)
local_items = []fstest.Item{
{Path: "sizeonly", Size: 6, ModTime: t2, Md5sum: "8ac6f27a282e4938125482607ccfb55f"},
}
fstest.CheckListingWithPrecision(t, flocal, local_items, fs.Config.ModifyWindow)
fs.Stats.ResetCounters()
err = fs.Sync(fremote, flocal, true)
if err != nil {
t.Fatalf("Sync failed: %v", err)
}
// We should have transferred no files
if fs.Stats.GetTransfers() != 0 {
t.Fatalf("Sync 2: want 0 transfers, got %d", fs.Stats.GetTransfers())
}
fstest.CheckListingWithPrecision(t, flocal, local_items, fs.Config.ModifyWindow)
fstest.CheckListingWithPrecision(t, fremote, remote_items, fs.Config.ModifyWindow)