tests/test-fastannotate-protocol.t
author Yuya Nishihara <yuya@tcha.org>
Sat, 15 Sep 2018 16:35:39 +0900
changeset 39735 c0c703861b60
parent 39715 d8a7690ccc74
child 42151 7116fc614cfc
permissions -rw-r--r--
phabricator: add testedwith boilerplate
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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  $ cat >> $HGRCPATH << EOF
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  > [ui]
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  > ssh = "$PYTHON" "$TESTDIR/dummyssh"
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  > [extensions]
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  > fastannotate=
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  > [fastannotate]
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  > mainbranch=@
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  > EOF
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  $ HGMERGE=true; export HGMERGE
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setup the server repo
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  $ hg init repo-server
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  $ cd repo-server
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  $ cat >> .hg/hgrc << EOF
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  > [fastannotate]
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  > server=1
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  > EOF
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  $ for i in 1 2 3 4; do
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  >   echo $i >> a
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  >   hg commit -A -m $i a
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  > done
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  $ [ -d .hg/fastannotate ]
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  [1]
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  $ hg bookmark @
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  $ cd ..
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setup the local repo
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  $ hg clone 'ssh://user@dummy/repo-server' repo-local -q
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  $ cd repo-local
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  $ cat >> .hg/hgrc << EOF
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  > [fastannotate]
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  > client=1
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  > clientfetchthreshold=0
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  > EOF
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  $ [ -d .hg/fastannotate ]
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  [1]
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  $ hg fastannotate a --debug
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  running * (glob)
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  sending hello command
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  sending between command
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  remote: * (glob) (?)
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  remote: capabilities: * (glob)
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  remote: * (glob) (?)
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  sending protocaps command
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  fastannotate: requesting 1 files
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  sending getannotate command
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  fastannotate: writing 112 bytes to fastannotate/default/a.l
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  fastannotate: writing 94 bytes to fastannotate/default/a.m
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  fastannotate: a: using fast path (resolved fctx: True)
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  0: 1
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  1: 2
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  2: 3
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  3: 4
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the cache could be reused and no download is necessary
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  $ hg fastannotate a --debug
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  fastannotate: a: using fast path (resolved fctx: True)
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  0: 1
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  1: 2
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  2: 3
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  3: 4
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if the client agrees where the head of the master branch is, no re-download
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happens even if the client has more commits
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  $ echo 5 >> a
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  $ hg commit -m 5
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  $ hg bookmark -r 3 @ -f
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  $ hg fastannotate a --debug
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  0: 1
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  1: 2
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  2: 3
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  3: 4
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  4: 5
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if the client has a different "@" (head of the master branch) and "@" is ahead
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of the server, the server can detect things are unchanged and does not return
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full contents (not that there is no "writing ... to fastannotate"), but the
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client can also build things up on its own (causing diverge)
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  $ hg bookmark -r 4 @ -f
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  $ hg fastannotate a --debug
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  running * (glob)
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  sending hello command
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  sending between command
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  remote: * (glob) (?)
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  remote: capabilities: * (glob)
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  remote: * (glob) (?)
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  sending protocaps command
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  fastannotate: requesting 1 files
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  sending getannotate command
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  fastannotate: a: 1 new changesets in the main branch
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  0: 1
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  1: 2
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  2: 3
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  3: 4
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  4: 5
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if the client has a different "@" which is behind the server. no download is
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necessary
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  $ hg fastannotate a --debug --config fastannotate.mainbranch=2
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  fastannotate: a: using fast path (resolved fctx: True)
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  0: 1
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  1: 2
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  2: 3
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  3: 4
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  4: 5
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define fastannotate on-disk paths
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  $ p1=.hg/fastannotate/default
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  $ p2=../repo-server/.hg/fastannotate/default
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revert bookmark change so the client is behind the server
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  $ hg bookmark -r 2 @ -f
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in the "fctx" mode with the "annotate" command, the client also downloads the
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cache. but not in the (default) "fastannotate" mode.
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  $ rm $p1/a.l $p1/a.m
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  $ hg annotate a --debug | grep 'fastannotate: writing'
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  [1]
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  $ hg annotate a --config fastannotate.modes=fctx --debug | grep 'fastannotate: writing' | sort
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  fastannotate: writing 112 bytes to fastannotate/default/a.l
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  fastannotate: writing 94 bytes to fastannotate/default/a.m
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the fastannotate cache (built server-side, downloaded client-side) in two repos
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have the same content (because the client downloads from the server)
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  $ diff $p1/a.l $p2/a.l
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  $ diff $p1/a.m $p2/a.m
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in the "fctx" mode, the client could also build the cache locally
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  $ hg annotate a --config fastannotate.modes=fctx --debug --config fastannotate.mainbranch=4 | grep fastannotate
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  fastannotate: requesting 1 files
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  fastannotate: a: 1 new changesets in the main branch
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the server would rebuild broken cache automatically
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  $ cp $p2/a.m $p2/a.m.bak
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  $ echo BROKEN1 > $p1/a.m
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  $ echo BROKEN2 > $p2/a.m
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  $ hg fastannotate a --debug | grep 'fastannotate: writing' | sort
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  fastannotate: writing 112 bytes to fastannotate/default/a.l
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  fastannotate: writing 94 bytes to fastannotate/default/a.m
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  $ diff $p1/a.m $p2/a.m
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  $ diff $p2/a.m $p2/a.m.bak
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use the "debugbuildannotatecache" command to build annotate cache
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  $ rm -rf $p1 $p2
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  $ hg --cwd ../repo-server debugbuildannotatecache a --debug
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  fastannotate: a: 4 new changesets in the main branch
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  $ hg --cwd ../repo-local debugbuildannotatecache a --debug
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  running * (glob)
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  sending hello command
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  sending between command
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  remote: * (glob) (?)
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  remote: capabilities: * (glob)
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  remote: * (glob) (?)
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  sending protocaps command
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  fastannotate: requesting 1 files
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  sending getannotate command
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  fastannotate: writing * (glob)
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  fastannotate: writing * (glob)
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  $ diff $p1/a.l $p2/a.l
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  $ diff $p1/a.m $p2/a.m
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with the clientfetchthreshold config option, the client can build up the cache
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without downloading from the server
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  $ rm -rf $p1
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  $ hg fastannotate a --debug --config fastannotate.clientfetchthreshold=10
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  fastannotate: a: 3 new changesets in the main branch
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  0: 1
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  1: 2
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  2: 3
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  3: 4
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  4: 5
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if the fastannotate directory is not writable, the fctx mode still works
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  $ rm -rf $p1
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  $ touch $p1
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  $ hg annotate a --debug --traceback --config fastannotate.modes=fctx
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  fastannotate: a: cache broken and deleted
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  fastannotate: prefetch failed: * (glob)
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  fastannotate: a: cache broken and deleted
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  fastannotate: falling back to the vanilla annotate: * (glob)
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  0: 1
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  1: 2
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  2: 3
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  3: 4
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  4: 5
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with serverbuildondemand=False, the server will not build anything
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  $ cat >> ../repo-server/.hg/hgrc <<EOF
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  > [fastannotate]
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  > serverbuildondemand=False
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  > EOF
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  $ rm -rf $p1 $p2
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  $ hg fastannotate a --debug | grep 'fastannotate: writing'
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  [1]