Mercurial > hg
view tests/test-bundle2.t @ 21062:e7c0a65a5c9c
bundle2: use headerless HG10UN stream in changegroup
Using `readbundle` in the part handlers creates a circular import hell. We are
now using a simple `HG10UN` stream with no header. Some parameters may
later be introduced on the part to change parameter.
Producers are updated as well.
| author | Pierre-Yves David <pierre-yves.david@fb.com> |
|---|---|
| date | Mon, 14 Apr 2014 14:46:32 -0400 |
| parents | 62d35f251c60 |
| children | 0a9cae236738 |
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Create an extension to test bundle2 API $ cat > bundle2.py << EOF > """A small extension to test bundle2 implementation > > Current bundle2 implementation is far too limited to be used in any core > code. We still need to be able to test it while it grow up. > """ > > import sys > from mercurial import cmdutil > from mercurial import util > from mercurial import bundle2 > from mercurial import scmutil > from mercurial import discovery > from mercurial import changegroup > cmdtable = {} > command = cmdutil.command(cmdtable) > > ELEPHANTSSONG = """Patali Dirapata, Cromda Cromda Ripalo, Pata Pata, Ko Ko Ko > Bokoro Dipoulito, Rondi Rondi Pepino, Pata Pata, Ko Ko Ko > Emana Karassoli, Loucra Loucra Ponponto, Pata Pata, Ko Ko Ko.""" > assert len(ELEPHANTSSONG) == 178 # future test say 178 bytes, trust it. > > @bundle2.parthandler('test:song') > def songhandler(op, part): > """handle a "test:song" bundle2 part, printing the lyrics on stdin""" > op.ui.write('The choir starts singing:\n') > verses = 0 > for line in part.read().split('\n'): > op.ui.write(' %s\n' % line) > verses += 1 > op.records.add('song', {'verses': verses}) > > @bundle2.parthandler('test:ping') > def pinghandler(op, part): > op.ui.write('received ping request (id %i)\n' % part.id) > if op.reply is not None: > rpart = bundle2.bundlepart('test:pong', > [('in-reply-to', str(part.id))]) > op.reply.addpart(rpart) > > @command('bundle2', > [('', 'param', [], 'stream level parameter'), > ('', 'unknown', False, 'include an unknown mandatory part in the bundle'), > ('', 'parts', False, 'include some arbitrary parts to the bundle'), > ('r', 'rev', [], 'includes those changeset in the bundle'),], > '[OUTPUTFILE]') > def cmdbundle2(ui, repo, path=None, **opts): > """write a bundle2 container on standard ouput""" > bundler = bundle2.bundle20(ui) > for p in opts['param']: > p = p.split('=', 1) > try: > bundler.addparam(*p) > except ValueError, exc: > raise util.Abort('%s' % exc) > > revs = opts['rev'] > if 'rev' in opts: > revs = scmutil.revrange(repo, opts['rev']) > if revs: > # very crude version of a changegroup part creation > bundled = repo.revs('%ld::%ld', revs, revs) > headmissing = [c.node() for c in repo.set('heads(%ld)', revs)] > headcommon = [c.node() for c in repo.set('parents(%ld) - %ld', revs, revs)] > outgoing = discovery.outgoing(repo.changelog, headcommon, headmissing) > cg = changegroup.getlocalbundle(repo, 'test:bundle2', outgoing, None) > part = bundle2.bundlepart('changegroup', data=cg.getchunks()) > bundler.addpart(part) > > if opts['parts']: > part = bundle2.bundlepart('test:empty') > bundler.addpart(part) > # add a second one to make sure we handle multiple parts > part = bundle2.bundlepart('test:empty') > bundler.addpart(part) > part = bundle2.bundlepart('test:song', data=ELEPHANTSSONG) > bundler.addpart(part) > part = bundle2.bundlepart('test:math', > [('pi', '3.14'), ('e', '2.72')], > [('cooking', 'raw')], > '42') > bundler.addpart(part) > if opts['unknown']: > part = bundle2.bundlepart('test:UNKNOWN', > data='some random content') > bundler.addpart(part) > if opts['parts']: > part = bundle2.bundlepart('test:ping') > bundler.addpart(part) > > if path is None: > file = sys.stdout > else: > file = open(path, 'w') > > for chunk in bundler.getchunks(): > file.write(chunk) > > @command('unbundle2', [], '') > def cmdunbundle2(ui, repo, replypath=None): > """process a bundle2 stream from stdin on the current repo""" > try: > tr = None > lock = repo.lock() > tr = repo.transaction('processbundle') > try: > unbundler = bundle2.unbundle20(ui, sys.stdin) > op = bundle2.processbundle(repo, unbundler, lambda: tr) > tr.close() > except KeyError, exc: > raise util.Abort('missing support for %s' % exc) > finally: > if tr is not None: > tr.release() > lock.release() > remains = sys.stdin.read() > ui.write('%i unread bytes\n' % len(remains)) > if op.records['song']: > totalverses = sum(r['verses'] for r in op.records['song']) > ui.write('%i total verses sung\n' % totalverses) > for rec in op.records['changegroup']: > ui.write('addchangegroup return: %i\n' % rec['return']) > if op.reply is not None and replypath is not None: > file = open(replypath, 'w') > for chunk in op.reply.getchunks(): > file.write(chunk) > > @command('statbundle2', [], '') > def cmdstatbundle2(ui, repo): > """print statistic on the bundle2 container read from stdin""" > unbundler = bundle2.unbundle20(ui, sys.stdin) > try: > params = unbundler.params > except KeyError, exc: > raise util.Abort('unknown parameters: %s' % exc) > ui.write('options count: %i\n' % len(params)) > for key in sorted(params): > ui.write('- %s\n' % key) > value = params[key] > if value is not None: > ui.write(' %s\n' % value) > count = 0 > for p in unbundler: > count += 1 > ui.write(' :%s:\n' % p.type) > ui.write(' mandatory: %i\n' % len(p.mandatoryparams)) > ui.write(' advisory: %i\n' % len(p.advisoryparams)) > ui.write(' payload: %i bytes\n' % len(p.read())) > ui.write('parts count: %i\n' % count) > EOF $ cat >> $HGRCPATH << EOF > [extensions] > bundle2=$TESTTMP/bundle2.py > [server] > bundle2=True > EOF The extension requires a repo (currently unused) $ hg init main $ cd main $ touch a $ hg add a $ hg commit -m 'a' Empty bundle ================= - no option - no parts Test bundling $ hg bundle2 HG20\x00\x00\x00\x00 (no-eol) (esc) Test unbundling $ hg bundle2 | hg statbundle2 options count: 0 parts count: 0 Test old style bundle are detected and refused $ hg bundle --all ../bundle.hg 1 changesets found $ hg statbundle2 < ../bundle.hg abort: unknown bundle version 10 [255] Test parameters ================= - some options - no parts advisory parameters, no value ------------------------------- Simplest possible parameters form Test generation simple option $ hg bundle2 --param 'caution' HG20\x00\x07caution\x00\x00 (no-eol) (esc) Test unbundling $ hg bundle2 --param 'caution' | hg statbundle2 options count: 1 - caution parts count: 0 Test generation multiple option $ hg bundle2 --param 'caution' --param 'meal' HG20\x00\x0ccaution meal\x00\x00 (no-eol) (esc) Test unbundling $ hg bundle2 --param 'caution' --param 'meal' | hg statbundle2 options count: 2 - caution - meal parts count: 0 advisory parameters, with value ------------------------------- Test generation $ hg bundle2 --param 'caution' --param 'meal=vegan' --param 'elephants' HG20\x00\x1ccaution meal=vegan elephants\x00\x00 (no-eol) (esc) Test unbundling $ hg bundle2 --param 'caution' --param 'meal=vegan' --param 'elephants' | hg statbundle2 options count: 3 - caution - elephants - meal vegan parts count: 0 parameter with special char in value --------------------------------------------------- Test generation $ hg bundle2 --param 'e|! 7/=babar%#==tutu' --param simple HG20\x00)e%7C%21%207/=babar%25%23%3D%3Dtutu simple\x00\x00 (no-eol) (esc) Test unbundling $ hg bundle2 --param 'e|! 7/=babar%#==tutu' --param simple | hg statbundle2 options count: 2 - e|! 7/ babar%#==tutu - simple parts count: 0 Test unknown mandatory option --------------------------------------------------- $ hg bundle2 --param 'Gravity' | hg statbundle2 abort: unknown parameters: 'Gravity' [255] Test debug output --------------------------------------------------- bundling debug $ hg bundle2 --debug --param 'e|! 7/=babar%#==tutu' --param simple ../out.hg2 start emission of HG20 stream bundle parameter: e%7C%21%207/=babar%25%23%3D%3Dtutu simple start of parts end of bundle file content is ok $ cat ../out.hg2 HG20\x00)e%7C%21%207/=babar%25%23%3D%3Dtutu simple\x00\x00 (no-eol) (esc) unbundling debug $ hg statbundle2 --debug < ../out.hg2 start processing of HG20 stream reading bundle2 stream parameters ignoring unknown parameter 'e|! 7/' ignoring unknown parameter 'simple' options count: 2 - e|! 7/ babar%#==tutu - simple start extraction of bundle2 parts part header size: 0 end of bundle2 stream parts count: 0 Test buggy input --------------------------------------------------- empty parameter name $ hg bundle2 --param '' --quiet abort: empty parameter name [255] bad parameter name $ hg bundle2 --param 42babar abort: non letter first character: '42babar' [255] Test part ================= $ hg bundle2 --parts ../parts.hg2 --debug start emission of HG20 stream bundle parameter: start of parts bundle part: "test:empty" bundle part: "test:empty" bundle part: "test:song" bundle part: "test:math" bundle part: "test:ping" end of bundle $ cat ../parts.hg2 HG20\x00\x00\x00\x11 (esc) test:empty\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x11 (esc) test:empty\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x10 test:song\x00\x00\x00\x02\x00\x00\x00\x00\x00\xb2Patali Dirapata, Cromda Cromda Ripalo, Pata Pata, Ko Ko Ko (esc) Bokoro Dipoulito, Rondi Rondi Pepino, Pata Pata, Ko Ko Ko Emana Karassoli, Loucra Loucra Ponponto, Pata Pata, Ko Ko Ko.\x00\x00\x00\x00\x00+ test:math\x00\x00\x00\x03\x02\x01\x02\x04\x01\x04\x07\x03pi3.14e2.72cookingraw\x00\x00\x00\x0242\x00\x00\x00\x00\x00\x10 test:ping\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00 (no-eol) (esc) $ hg statbundle2 < ../parts.hg2 options count: 0 :test:empty: mandatory: 0 advisory: 0 payload: 0 bytes :test:empty: mandatory: 0 advisory: 0 payload: 0 bytes :test:song: mandatory: 0 advisory: 0 payload: 178 bytes :test:math: mandatory: 2 advisory: 1 payload: 2 bytes :test:ping: mandatory: 0 advisory: 0 payload: 0 bytes parts count: 5 $ hg statbundle2 --debug < ../parts.hg2 start processing of HG20 stream reading bundle2 stream parameters options count: 0 start extraction of bundle2 parts part header size: 17 part type: "test:empty" part id: "0" part parameters: 0 :test:empty: mandatory: 0 advisory: 0 payload chunk size: 0 payload: 0 bytes part header size: 17 part type: "test:empty" part id: "1" part parameters: 0 :test:empty: mandatory: 0 advisory: 0 payload chunk size: 0 payload: 0 bytes part header size: 16 part type: "test:song" part id: "2" part parameters: 0 :test:song: mandatory: 0 advisory: 0 payload chunk size: 178 payload chunk size: 0 payload: 178 bytes part header size: 43 part type: "test:math" part id: "3" part parameters: 3 :test:math: mandatory: 2 advisory: 1 payload chunk size: 2 payload chunk size: 0 payload: 2 bytes part header size: 16 part type: "test:ping" part id: "4" part parameters: 0 :test:ping: mandatory: 0 advisory: 0 payload chunk size: 0 payload: 0 bytes part header size: 0 end of bundle2 stream parts count: 5 Test actual unbundling of test part ======================================= Process the bundle $ hg unbundle2 --debug < ../parts.hg2 start processing of HG20 stream reading bundle2 stream parameters start extraction of bundle2 parts part header size: 17 part type: "test:empty" part id: "0" part parameters: 0 ignoring unknown advisory part 'test:empty' payload chunk size: 0 part header size: 17 part type: "test:empty" part id: "1" part parameters: 0 ignoring unknown advisory part 'test:empty' payload chunk size: 0 part header size: 16 part type: "test:song" part id: "2" part parameters: 0 found a handler for part 'test:song' The choir starts singing: payload chunk size: 178 payload chunk size: 0 Patali Dirapata, Cromda Cromda Ripalo, Pata Pata, Ko Ko Ko Bokoro Dipoulito, Rondi Rondi Pepino, Pata Pata, Ko Ko Ko Emana Karassoli, Loucra Loucra Ponponto, Pata Pata, Ko Ko Ko. part header size: 43 part type: "test:math" part id: "3" part parameters: 3 ignoring unknown advisory part 'test:math' payload chunk size: 2 payload chunk size: 0 part header size: 16 part type: "test:ping" part id: "4" part parameters: 0 found a handler for part 'test:ping' received ping request (id 4) payload chunk size: 0 part header size: 0 end of bundle2 stream 0 unread bytes 3 total verses sung Unbundle with an unknown mandatory part (should abort) $ hg bundle2 --parts --unknown ../unknown.hg2 $ hg unbundle2 < ../unknown.hg2 The choir starts singing: Patali Dirapata, Cromda Cromda Ripalo, Pata Pata, Ko Ko Ko Bokoro Dipoulito, Rondi Rondi Pepino, Pata Pata, Ko Ko Ko Emana Karassoli, Loucra Loucra Ponponto, Pata Pata, Ko Ko Ko. 0 unread bytes abort: missing support for 'test:unknown' [255] unbundle with a reply $ hg unbundle2 ../reply.hg2 < ../parts.hg2 The choir starts singing: Patali Dirapata, Cromda Cromda Ripalo, Pata Pata, Ko Ko Ko Bokoro Dipoulito, Rondi Rondi Pepino, Pata Pata, Ko Ko Ko Emana Karassoli, Loucra Loucra Ponponto, Pata Pata, Ko Ko Ko. received ping request (id 4) 0 unread bytes 3 total verses sung The reply is a bundle $ cat ../reply.hg2 HG20\x00\x00\x00\x1e test:pong\x00\x00\x00\x00\x01\x00\x0b\x01in-reply-to4\x00\x00\x00\x00\x00\x00 (no-eol) (esc) The reply is valid $ hg statbundle2 < ../reply.hg2 options count: 0 :test:pong: mandatory: 1 advisory: 0 payload: 0 bytes parts count: 1 Support for changegroup =================================== $ hg unbundle $TESTDIR/bundles/rebase.hg adding changesets adding manifests adding file changes added 8 changesets with 7 changes to 7 files (+3 heads) (run 'hg heads' to see heads, 'hg merge' to merge) $ hg log -G o changeset: 8:02de42196ebe | tag: tip | parent: 6:24b6387c8c8c | user: Nicolas Dumazet <nicdumz.commits@gmail.com> | date: Sat Apr 30 15:24:48 2011 +0200 | summary: H | | o changeset: 7:eea13746799a |/| parent: 6:24b6387c8c8c | | parent: 5:9520eea781bc | | user: Nicolas Dumazet <nicdumz.commits@gmail.com> | | date: Sat Apr 30 15:24:48 2011 +0200 | | summary: G | | o | changeset: 6:24b6387c8c8c | | parent: 1:cd010b8cd998 | | user: Nicolas Dumazet <nicdumz.commits@gmail.com> | | date: Sat Apr 30 15:24:48 2011 +0200 | | summary: F | | | o changeset: 5:9520eea781bc |/ parent: 1:cd010b8cd998 | user: Nicolas Dumazet <nicdumz.commits@gmail.com> | date: Sat Apr 30 15:24:48 2011 +0200 | summary: E | | o changeset: 4:32af7686d403 | | user: Nicolas Dumazet <nicdumz.commits@gmail.com> | | date: Sat Apr 30 15:24:48 2011 +0200 | | summary: D | | | o changeset: 3:5fddd98957c8 | | user: Nicolas Dumazet <nicdumz.commits@gmail.com> | | date: Sat Apr 30 15:24:48 2011 +0200 | | summary: C | | | o changeset: 2:42ccdea3bb16 |/ user: Nicolas Dumazet <nicdumz.commits@gmail.com> | date: Sat Apr 30 15:24:48 2011 +0200 | summary: B | o changeset: 1:cd010b8cd998 parent: -1:000000000000 user: Nicolas Dumazet <nicdumz.commits@gmail.com> date: Sat Apr 30 15:24:48 2011 +0200 summary: A @ changeset: 0:3903775176ed user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ hg bundle2 --debug --rev '8+7+5+4' ../rev.hg2 4 changesets found list of changesets: 32af7686d403cf45b5d95f2d70cebea587ac806a 9520eea781bcca16c1e15acc0ba14335a0e8e5ba eea13746799a9e0bfd88f29d3c2e9dc9389f524f 02de42196ebee42ef284b6780a87cdc96e8eaab6 start emission of HG20 stream bundle parameter: start of parts bundle part: "changegroup" bundling: 1/4 changesets (25.00%) bundling: 2/4 changesets (50.00%) bundling: 3/4 changesets (75.00%) bundling: 4/4 changesets (100.00%) bundling: 1/4 manifests (25.00%) bundling: 2/4 manifests (50.00%) bundling: 3/4 manifests (75.00%) bundling: 4/4 manifests (100.00%) bundling: D 1/3 files (33.33%) bundling: E 2/3 files (66.67%) bundling: H 3/3 files (100.00%) end of bundle $ cat ../rev.hg2 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\x00\x00\x00\x00\x00\x00\x00\x05E\x00\x00\x00b\x9co\xd05 (esc) l\r (no-eol) (esc) \x0cI\xd4\xa9\xc5\x01|\xf0pC\xf5NX\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x95 \xee\xa7\x81\xbc\xca\x16\xc1\xe1Z\xcc\x0b\xa1C5\xa0\xe8\xe5\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02E (esc) \x00\x00\x00\x00\x00\x00\x00\x05H\x00\x00\x00b\x85\x00\x18\x9et\xa9\xe0G^\x82 \x93\xbc}\xb0\xd61\xae\xb0\xb4\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\xdeB\x19n\xbe\xe4.\xf2\x84\xb6x (esc) \x87\xcd\xc9n\x8e\xaa\xb6\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02H (esc) \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 (no-eol) (esc) $ hg unbundle2 ../rev-replay.hg2 < ../rev.hg2 adding changesets adding manifests adding file changes added 0 changesets with 0 changes to 3 files 0 unread bytes addchangegroup return: 1 $ cat ../rev-replay.hg2 HG20\x00\x00\x00/\x11reply:changegroup\x00\x00\x00\x00\x00\x02\x0b\x01\x06\x01in-reply-to0return1\x00\x00\x00\x00\x00\x00 (no-eol) (esc) Real world exchange ===================== clone --pull $ cd .. $ hg clone main other --pull --rev 9520eea781bc adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files updating to branch default 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg -R other log -G @ changeset: 1:9520eea781bc | tag: tip | user: Nicolas Dumazet <nicdumz.commits@gmail.com> | date: Sat Apr 30 15:24:48 2011 +0200 | summary: E | o changeset: 0:cd010b8cd998 user: Nicolas Dumazet <nicdumz.commits@gmail.com> date: Sat Apr 30 15:24:48 2011 +0200 summary: A pull $ hg -R other pull -r 24b6387c8c8c pulling from $TESTTMP/main (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (+1 heads) (run 'hg heads' to see heads, 'hg merge' to merge) push $ hg -R main push other --rev eea13746799a pushing to other searching for changes adding changesets adding manifests adding file changes added 1 changesets with 0 changes to 0 files (-1 heads)