view tests/test-contrib.t @ 24716:2abbf4750915

hook: forcibly flush stderr for Windows test stability There are a handful of SSH related test failures on Windows. --- c:/Users/Matt/Projects/hg/tests/test-bundle2-exchange.t +++ c:/Users/Matt/Projects/hg/tests/test-bundle2-exchange.t.err @@ -305,16 +305,16 @@ remote: added 1 changesets with 1 changes to 1 files remote: 1 new obsolescence markers updating bookmark book_5fdd + pre-close-tip:02de42196ebe draft book_02de + postclose-tip:02de42196ebe draft book_02de + txnclose hook: HG_SOURCE=push-response HG_TXNNAME=push-response + ssh://user@dummy/other HG_URL=ssh://user@dummy/other remote: pre-close-tip:5fddd98957c8 draft book_5fdd remote: pushkey: lock state after "bookmarks" remote: lock: free remote: wlock: free remote: postclose-tip:5fddd98957c8 draft book_5fdd remote: txnclose hook: (env vars truncated) - pre-close-tip:02de42196ebe draft book_02de - postclose-tip:02de42196ebe draft book_02de - txnclose hook: HG_SOURCE=push-response HG_TXNNAME=push-response - ssh://user@dummy/other HG_URL=ssh://user@dummy/other $ hg -R other log -G o 6:5fddd98957c8 draft Nicolas Dumazet <...> book_5fdd C | --- c:/Users/Matt/Projects/hg/tests/test-ssh.t +++ c:/Users/Matt/Projects/hg/tests/test-ssh.t.err @@ -438,12 +438,12 @@ $ hg push pushing to ssh://user@dummy/remote searching for changes + local stdout remote: adding changesets remote: adding manifests remote: adding file changes remote: added 1 changesets with 1 changes to 1 files - remote: KABOOM - local stdout + remote: KABOOM\r (esc) $ cd .. What is happening is that no data is available in 'sshpeer.pipee' while the command is executing. As the command completes, local output is printed, and then sshpeer.cleanup() is called. When it calls 'self.pipeo.close()', the child process is shutdown, flushing stderr. As an experiment, I printed a line to stdout and another to stderr instead this flush(). The stdout data was immediately available to the hg client, and none of the stderr data was until the child exited. At that point, pipee has all of the buffered data, and it is read out and printed before the pipe is closed in sshpeer.cleanup(). This is probably a known issue, since ui.write_err() mentions that stderr may be buffered, and also flushes stderr. It would be nice if there was a more general fix (there is one more test that fails), but I'm not sure what it is. I've seen (ancient) references [1] to setvbuf() "crashing spectacularly" on some systems if any I/O has been done already, so it seems worth avoiding. https://sourceware.org/ml/gdb-patches/2013-08/msg00422.html [1] https://groups.google.com/forum/#!msg/comp.lang.python/JT8LiYzYDEY/Qg9d1HwyjScJ
author Matt Harbison <matt_harbison@yahoo.com>
date Fri, 10 Apr 2015 22:30:19 -0400
parents c63a09b6b337
children ef1eb6df7071
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Set vars:

  $ CONTRIBDIR="$TESTDIR/../contrib"

Prepare repo-a:

  $ hg init repo-a
  $ cd repo-a

  $ echo this is file a > a
  $ hg add a
  $ hg commit -m first

  $ echo adding to file a >> a
  $ hg commit -m second

  $ echo adding more to file a >> a
  $ hg commit -m third

  $ hg verify
  checking changesets
  checking manifests
  crosschecking files in changesets and manifests
  checking files
  1 files, 3 changesets, 3 total revisions

Dumping revlog of file a to stdout:

  $ python "$CONTRIBDIR/dumprevlog" .hg/store/data/a.i
  file: .hg/store/data/a.i
  node: 183d2312b35066fb6b3b449b84efc370d50993d0
  linkrev: 0
  parents: 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
  length: 15
  -start-
  this is file a
  
  -end-
  node: b1047953b6e6b633c0d8197eaa5116fbdfd3095b
  linkrev: 1
  parents: 183d2312b35066fb6b3b449b84efc370d50993d0 0000000000000000000000000000000000000000
  length: 32
  -start-
  this is file a
  adding to file a
  
  -end-
  node: 8c4fd1f7129b8cdec6c7f58bf48fb5237a4030c1
  linkrev: 2
  parents: b1047953b6e6b633c0d8197eaa5116fbdfd3095b 0000000000000000000000000000000000000000
  length: 54
  -start-
  this is file a
  adding to file a
  adding more to file a
  
  -end-

Dump all revlogs to file repo.dump:

  $ find .hg/store -name "*.i" | sort | xargs python "$CONTRIBDIR/dumprevlog" > ../repo.dump
  $ cd ..

Undumping into repo-b:

  $ hg init repo-b
  $ cd repo-b
  $ python "$CONTRIBDIR/undumprevlog" < ../repo.dump
  .hg/store/00changelog.i
  .hg/store/00manifest.i
  .hg/store/data/a.i
  $ cd ..

Rebuild fncache with clone --pull:

  $ hg clone --pull -U repo-b repo-c
  requesting all changes
  adding changesets
  adding manifests
  adding file changes
  added 3 changesets with 3 changes to 1 files

Verify:

  $ hg -R repo-c verify
  checking changesets
  checking manifests
  crosschecking files in changesets and manifests
  checking files
  1 files, 3 changesets, 3 total revisions

Compare repos:

  $ hg -R repo-c incoming repo-a
  comparing with repo-a
  searching for changes
  no changes found
  [1]

  $ hg -R repo-a incoming repo-c
  comparing with repo-c
  searching for changes
  no changes found
  [1]

Test simplemerge command:

  $ cp "$CONTRIBDIR/simplemerge" .
  $ echo base > base
  $ echo local > local
  $ cat base >> local
  $ cp local orig
  $ cat base > other
  $ echo other >> other

changing local directly

  $ python simplemerge local base other && echo "merge succeeded"
  merge succeeded
  $ cat local
  local
  base
  other
  $ cp orig local

printing to stdout

  $ python simplemerge -p local base other
  local
  base
  other

local:

  $ cat local
  local
  base

conflicts

  $ cp base conflict-local
  $ cp other conflict-other
  $ echo not other >> conflict-local
  $ echo end >> conflict-local
  $ echo end >> conflict-other

  $ python simplemerge -p conflict-local base conflict-other
  base
  <<<<<<< conflict-local
  not other
  end
  =======
  other
  end
  >>>>>>> conflict-other
  warning: conflicts during merge.
  [1]

1 label

  $ python simplemerge -p -L foo conflict-local base conflict-other
  base
  <<<<<<< foo
  not other
  end
  =======
  other
  end
  >>>>>>> conflict-other
  warning: conflicts during merge.
  [1]

2 labels

  $ python simplemerge -p -L foo -L bar conflict-local base conflict-other
  base
  <<<<<<< foo
  not other
  end
  =======
  other
  end
  >>>>>>> bar
  warning: conflicts during merge.
  [1]

3 labels

  $ python simplemerge -p -L foo -L bar -L base conflict-local base conflict-other
  base
  <<<<<<< foo
  not other
  end
  ||||||| base
  =======
  other
  end
  >>>>>>> bar
  warning: conflicts during merge.
  [1]

too many labels

  $ python simplemerge -p -L foo -L bar -L baz -L buz conflict-local base conflict-other
  abort: can only specify three labels.
  [255]

binary file

  $ $PYTHON -c "f = file('binary-local', 'w'); f.write('\x00'); f.close()"
  $ cat orig >> binary-local
  $ python simplemerge -p binary-local base other
  warning: binary-local looks like a binary file.
  [1]

binary file --text

  $ python simplemerge -a -p binary-local base other 2>&1
  warning: binary-local looks like a binary file.
  \x00local (esc)
  base
  other

help

  $ python simplemerge --help
  simplemerge [OPTS] LOCAL BASE OTHER
  
      Simple three-way file merge utility with a minimal feature set.
  
      Apply to LOCAL the changes necessary to go from BASE to OTHER.
  
      By default, LOCAL is overwritten with the results of this operation.
  
  options:
   -L --label       labels to use on conflict markers
   -a --text        treat all files as text
   -p --print       print results instead of overwriting LOCAL
      --no-minimal  no effect (DEPRECATED)
   -h --help        display help and exit
   -q --quiet       suppress output

wrong number of arguments

  $ python simplemerge
  simplemerge: wrong number of arguments
  simplemerge [OPTS] LOCAL BASE OTHER
  
      Simple three-way file merge utility with a minimal feature set.
  
      Apply to LOCAL the changes necessary to go from BASE to OTHER.
  
      By default, LOCAL is overwritten with the results of this operation.
  
  options:
   -L --label       labels to use on conflict markers
   -a --text        treat all files as text
   -p --print       print results instead of overwriting LOCAL
      --no-minimal  no effect (DEPRECATED)
   -h --help        display help and exit
   -q --quiet       suppress output
  [1]

bad option

  $ python simplemerge --foo -p local base other
  simplemerge: option --foo not recognized
  simplemerge [OPTS] LOCAL BASE OTHER
  
      Simple three-way file merge utility with a minimal feature set.
  
      Apply to LOCAL the changes necessary to go from BASE to OTHER.
  
      By default, LOCAL is overwritten with the results of this operation.
  
  options:
   -L --label       labels to use on conflict markers
   -a --text        treat all files as text
   -p --print       print results instead of overwriting LOCAL
      --no-minimal  no effect (DEPRECATED)
   -h --help        display help and exit
   -q --quiet       suppress output
  [1]