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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 7c13c9404c2c
children d283517b260b
line wrap: on
line source

#require killdaemons

  $ hg init test
  $ cd test
  $ echo a > a
  $ hg ci -Ama
  adding a
  $ cd ..
  $ hg clone test test2
  updating to branch default
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd test2
  $ echo a >> a
  $ hg ci -mb
  $ req() {
  >     hg serve -p $HGPORT -d --pid-file=hg.pid -E errors.log
  >     cat hg.pid >> $DAEMON_PIDS
  >     hg --cwd ../test2 push http://localhost:$HGPORT/
  >     exitstatus=$?
  >     "$TESTDIR/killdaemons.py" $DAEMON_PIDS
  >     echo % serve errors
  >     cat errors.log
  >     return $exitstatus
  > }
  $ cd ../test

expect ssl error

  $ req
  pushing to http://localhost:$HGPORT/
  searching for changes
  abort: HTTP Error 403: ssl required
  % serve errors
  [255]

expect authorization error

  $ echo '[web]' > .hg/hgrc
  $ echo 'push_ssl = false' >> .hg/hgrc
  $ req
  pushing to http://localhost:$HGPORT/
  searching for changes
  abort: authorization failed
  % serve errors
  [255]

expect authorization error: must have authorized user

  $ echo 'allow_push = unperson' >> .hg/hgrc
  $ req
  pushing to http://localhost:$HGPORT/
  searching for changes
  abort: authorization failed
  % serve errors
  [255]

expect success

  $ echo 'allow_push = *' >> .hg/hgrc
  $ echo '[hooks]' >> .hg/hgrc
  $ echo "changegroup = python \"$TESTDIR/printenv.py\" changegroup 0" >> .hg/hgrc
  $ echo "pushkey = python \"$TESTDIR/printenv.py\" pushkey 0" >> .hg/hgrc
  $ req
  pushing to http://localhost:$HGPORT/
  searching for changes
  remote: adding changesets
  remote: adding manifests
  remote: adding file changes
  remote: added 1 changesets with 1 changes to 1 files
  remote: changegroup hook: HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_URL=remote:http:127.0.0.1:
  % serve errors
  $ hg rollback
  repository tip rolled back to revision 0 (undo serve)

expect success, server lacks the httpheader capability

  $ CAP=httpheader
  $ . "$TESTDIR/notcapable"
  $ req
  pushing to http://localhost:$HGPORT/
  searching for changes
  remote: adding changesets
  remote: adding manifests
  remote: adding file changes
  remote: added 1 changesets with 1 changes to 1 files
  remote: changegroup hook: HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_URL=remote:http:127.0.0.1:
  % serve errors
  $ hg rollback
  repository tip rolled back to revision 0 (undo serve)

expect success, server lacks the unbundlehash capability

  $ CAP=unbundlehash
  $ . "$TESTDIR/notcapable"
  $ req
  pushing to http://localhost:$HGPORT/
  searching for changes
  remote: adding changesets
  remote: adding manifests
  remote: adding file changes
  remote: added 1 changesets with 1 changes to 1 files
  remote: changegroup hook: HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_URL=remote:http:127.0.0.1:
  % serve errors
  $ hg rollback
  repository tip rolled back to revision 0 (undo serve)

expect push success, phase change failure

  $ cat > .hg/hgrc <<EOF
  > [web]
  > push_ssl = false
  > allow_push = *
  > [hooks]
  > prepushkey = python "$TESTDIR/printenv.py" prepushkey 1
  > EOF
  $ req
  pushing to http://localhost:$HGPORT/
  searching for changes
  remote: adding changesets
  remote: adding manifests
  remote: adding file changes
  remote: added 1 changesets with 1 changes to 1 files
  % serve errors

expect phase change success

  $ echo "prepushkey = python \"$TESTDIR/printenv.py\" prepushkey 0" >> .hg/hgrc
  $ req
  pushing to http://localhost:$HGPORT/
  searching for changes
  no changes found
  % serve errors
  [1]
  $ hg rollback
  repository tip rolled back to revision 0 (undo serve)

expect authorization error: all users denied

  $ echo '[web]' > .hg/hgrc
  $ echo 'push_ssl = false' >> .hg/hgrc
  $ echo 'deny_push = *' >> .hg/hgrc
  $ req
  pushing to http://localhost:$HGPORT/
  searching for changes
  abort: authorization failed
  % serve errors
  [255]

expect authorization error: some users denied, users must be authenticated

  $ echo 'deny_push = unperson' >> .hg/hgrc
  $ req
  pushing to http://localhost:$HGPORT/
  searching for changes
  abort: authorization failed
  % serve errors
  [255]

  $ cd ..