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tests/test-lfs-test-server.t
author Matt Harbison <matt_harbison@yahoo.com>
Sun, 04 Feb 2018 16:17:43 -0500
changeset 35927 9b413478f261
parent 35926 264b90a060b7
child 36925 24e6342db1cb
permissions -rw-r--r--
lfs: deduplicate oids in the transfer Apparently, we can't rely on the server to deduplicate for us. Sadly, the pointer object isn't hashable, so it can't be reduced by converting it to a set. In order to be hashable, it needs to be immutable. I had a bunch of code to change it to composition and forward the readonly dict methods to a member dict. But the pointer is updated via __setitem__() when creating the pointer file. So it didn't see worth adding all of that code to the class.

#require lfs-test-server

  $ LFS_LISTEN="tcp://:$HGPORT"
  $ LFS_HOST="localhost:$HGPORT"
  $ LFS_PUBLIC=1
  $ export LFS_LISTEN LFS_HOST LFS_PUBLIC
#if no-windows
  $ lfs-test-server &> lfs-server.log &
  $ echo $! >> $DAEMON_PIDS
#else
  $ cat >> $TESTTMP/spawn.py <<EOF
  > import os
  > import subprocess
  > import sys
  > 
  > for path in os.environ["PATH"].split(os.pathsep):
  >     exe = os.path.join(path, 'lfs-test-server.exe')
  >     if os.path.exists(exe):
  >         with open('lfs-server.log', 'wb') as out:
  >             p = subprocess.Popen(exe, stdout=out, stderr=out)
  >             sys.stdout.write('%s\n' % p.pid)
  >             sys.exit(0)
  > sys.exit(1)
  > EOF
  $ $PYTHON $TESTTMP/spawn.py >> $DAEMON_PIDS
#endif

  $ cat >> $HGRCPATH <<EOF
  > [extensions]
  > lfs=
  > [lfs]
  > url=http://foo:bar@$LFS_HOST/
  > track=all()
  > EOF

  $ hg init repo1
  $ cd repo1
  $ echo THIS-IS-LFS > a
  $ hg commit -m a -A a

A push can be serviced directly from the usercache if it isn't in the local
store.

  $ hg init ../repo2
  $ mv .hg/store/lfs .hg/store/lfs_
  $ hg push ../repo2 -v
  pushing to ../repo2
  searching for changes
  lfs: uploading 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b (12 bytes)
  lfs: processed: 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b
  lfs: uploaded 1 files (12 bytes)
  1 changesets found
  uncompressed size of bundle content:
       * (changelog) (glob)
       * (manifests) (glob)
       *  a (glob)
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files
  calling hook pretxnchangegroup.lfs: hgext.lfs.checkrequireslfs
  $ mv .hg/store/lfs_ .hg/store/lfs

Clear the cache to force a download
  $ rm -rf `hg config lfs.usercache`
  $ cd ../repo2
  $ hg update tip -v
  resolving manifests
  lfs: downloading 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b (12 bytes)
  lfs: adding 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b to the usercache
  lfs: processed: 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b
  getting a
  lfs: found 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b in the local lfs store
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

When the server has some blobs already

  $ hg mv a b
  $ echo ANOTHER-LARGE-FILE > c
  $ echo ANOTHER-LARGE-FILE2 > d
  $ hg commit -m b-and-c -A b c d
  $ hg push ../repo1 -v | grep -v '^  '
  pushing to ../repo1
  searching for changes
  lfs: need to transfer 2 objects (39 bytes)
  lfs: uploading 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19 (20 bytes)
  lfs: processed: 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19
  lfs: uploading d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 (19 bytes)
  lfs: processed: d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998
  lfs: uploaded 2 files (39 bytes)
  1 changesets found
  uncompressed size of bundle content:
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 3 changes to 3 files

Clear the cache to force a download
  $ rm -rf `hg config lfs.usercache`
  $ hg --repo ../repo1 update tip -v
  resolving manifests
  lfs: need to transfer 2 objects (39 bytes)
  lfs: downloading 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19 (20 bytes)
  lfs: adding 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19 to the usercache
  lfs: processed: 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19
  lfs: downloading d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 (19 bytes)
  lfs: adding d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 to the usercache
  lfs: processed: d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998
  getting b
  lfs: found 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b in the local lfs store
  getting c
  lfs: found d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 in the local lfs store
  getting d
  lfs: found 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19 in the local lfs store
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved

Test a corrupt file download, but clear the cache first to force a download.

  $ rm -rf `hg config lfs.usercache`
  $ cp $TESTTMP/lfs-content/d1/1e/1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 blob
  $ echo 'damage' > $TESTTMP/lfs-content/d1/1e/1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998
  $ rm ../repo1/.hg/store/lfs/objects/d1/1e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998
  $ rm ../repo1/*

  $ hg --repo ../repo1 update -C tip -v
  resolving manifests
  lfs: downloading d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 (19 bytes)
  abort: corrupt remote lfs object: d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998
  [255]

The corrupted blob is not added to the usercache or local store

  $ test -f ../repo1/.hg/store/lfs/objects/d1/1e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998
  [1]
  $ test -f `hg config lfs.usercache`/d1/1e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998
  [1]
  $ cp blob $TESTTMP/lfs-content/d1/1e/1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998

Test a corrupted file upload

  $ echo 'another lfs blob' > b
  $ hg ci -m 'another blob'
  $ echo 'damage' > .hg/store/lfs/objects/e6/59058e26b07b39d2a9c7145b3f99b41f797b6621c8076600e9cb7ee88291f0
  $ hg push -v ../repo1
  pushing to ../repo1
  searching for changes
  lfs: uploading e659058e26b07b39d2a9c7145b3f99b41f797b6621c8076600e9cb7ee88291f0 (17 bytes)
  abort: detected corrupt lfs object: e659058e26b07b39d2a9c7145b3f99b41f797b6621c8076600e9cb7ee88291f0
  (run hg verify)
  [255]

Archive will prefetch blobs in a group

  $ rm -rf .hg/store/lfs `hg config lfs.usercache`
  $ hg archive -vr 1 ../archive
  lfs: need to transfer 3 objects (51 bytes)
  lfs: downloading 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b (12 bytes)
  lfs: adding 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b to the usercache
  lfs: processed: 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b
  lfs: downloading 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19 (20 bytes)
  lfs: adding 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19 to the usercache
  lfs: processed: 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19
  lfs: downloading d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 (19 bytes)
  lfs: adding d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 to the usercache
  lfs: processed: d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998
  lfs: found 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b in the local lfs store
  lfs: found 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b in the local lfs store
  lfs: found d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 in the local lfs store
  lfs: found 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19 in the local lfs store
  $ find ../archive | sort
  ../archive
  ../archive/.hg_archival.txt
  ../archive/a
  ../archive/b
  ../archive/c
  ../archive/d

Cat will prefetch blobs in a group

  $ rm -rf .hg/store/lfs `hg config lfs.usercache`
  $ hg cat -vr 1 a b c
  lfs: need to transfer 2 objects (31 bytes)
  lfs: downloading 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b (12 bytes)
  lfs: adding 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b to the usercache
  lfs: processed: 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b
  lfs: downloading d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 (19 bytes)
  lfs: adding d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 to the usercache
  lfs: processed: d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998
  lfs: found 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b in the local lfs store
  THIS-IS-LFS
  lfs: found 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b in the local lfs store
  THIS-IS-LFS
  lfs: found d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 in the local lfs store
  ANOTHER-LARGE-FILE

Revert will prefetch blobs in a group

  $ rm -rf .hg/store/lfs
  $ rm -rf `hg config lfs.usercache`
  $ rm *
  $ hg revert --all -r 1 -v
  adding a
  reverting b
  reverting c
  reverting d
  lfs: need to transfer 3 objects (51 bytes)
  lfs: downloading 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b (12 bytes)
  lfs: adding 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b to the usercache
  lfs: processed: 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b
  lfs: downloading 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19 (20 bytes)
  lfs: adding 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19 to the usercache
  lfs: processed: 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19
  lfs: downloading d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 (19 bytes)
  lfs: adding d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 to the usercache
  lfs: processed: d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998
  lfs: found 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b in the local lfs store
  lfs: found d11e1a642b60813aee592094109b406089b8dff4cb157157f753418ec7857998 in the local lfs store
  lfs: found 37a65ab78d5ecda767e8622c248b5dbff1e68b1678ab0e730d5eb8601ec8ad19 in the local lfs store
  lfs: found 31cf46fbc4ecd458a0943c5b4881f1f5a6dd36c53d6167d5b69ac45149b38e5b in the local lfs store

Check error message when the remote missed a blob:

  $ echo FFFFF > b
  $ hg commit -m b -A b
  $ echo FFFFF >> b
  $ hg commit -m b b
  $ rm -rf .hg/store/lfs
  $ rm -rf `hg config lfs.usercache`
  $ hg update -C '.^'
  abort: LFS server error. Remote object for "b" not found:(.*)! (re)
  [255]

Check error message when object does not exist:

  $ cd $TESTTMP
  $ hg init test && cd test
  $ echo "[extensions]" >> .hg/hgrc
  $ echo "lfs=" >> .hg/hgrc
  $ echo "[lfs]" >> .hg/hgrc
  $ echo "threshold=1" >> .hg/hgrc
  $ echo a > a
  $ hg add a
  $ hg commit -m 'test'
  $ echo aaaaa > a
  $ hg commit -m 'largefile'
  $ hg debugdata .hg/store/data/a.i 1 # verify this is no the file content but includes "oid", the LFS "pointer".
  version https://git-lfs.github.com/spec/v1
  oid sha256:bdc26931acfb734b142a8d675f205becf27560dc461f501822de13274fe6fc8a
  size 6
  x-is-binary 0
  $ cd ..
  $ rm -rf `hg config lfs.usercache`

(Restart the server in a different location so it no longer has the content)

  $ $PYTHON $RUNTESTDIR/killdaemons.py $DAEMON_PIDS
  $ rm $DAEMON_PIDS
  $ mkdir $TESTTMP/lfs-server2
  $ cd $TESTTMP/lfs-server2
#if no-windows
  $ lfs-test-server &> lfs-server.log &
  $ echo $! >> $DAEMON_PIDS
#else
  $ $PYTHON $TESTTMP/spawn.py >> $DAEMON_PIDS
#endif

  $ cd $TESTTMP
  $ hg clone test test2
  updating to branch default
  abort: LFS server error. Remote object for "a" not found:(.*)! (re)
  [255]

  $ $PYTHON $RUNTESTDIR/killdaemons.py $DAEMON_PIDS
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