view tests/test-lock-badness.t @ 51925:3a90a6fd710d

dirstate: subclass the new dirstate Protocol class

Behold the chaos that ensues.  We'll use the generated *.pyi files to apply type
annotations to the interface, and see how much agrees with the documentation.

Since the CamelCase name was used to try to work around pytype issues with zope
interfaces and is a new innovation this cycle (see c1d7ac70980b), drop the
CamelCase name.  I think the Protocol classes *should* be CamelCase, but that
can be done later in one pass.  For now, the CamelCase alias is extra noise in
the *.pyi files.

#require unix-permissions no-root no-windows

Prepare

  $ hg init a
  $ echo a > a/a
  $ hg -R a ci -A -m a
  adding a

  $ hg clone a b
  updating to branch default
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

Test that raising an exception in the release function doesn't cause the lock to choke

  $ cat > testlock.py << EOF
  > from mercurial import error, registrar
  > 
  > cmdtable = {}
  > command = registrar.command(cmdtable)
  > 
  > def acquiretestlock(repo, releaseexc):
  >     def unlock():
  >         if releaseexc:
  >             raise error.Abort(b'expected release exception')
  >     l = repo._lock(repo.vfs, b'testlock', False, unlock, None, b'test lock')
  >     return l
  > 
  > @command(b'testlockexc')
  > def testlockexc(ui, repo):
  >     testlock = acquiretestlock(repo, True)
  >     try:
  >         testlock.release()
  >     finally:
  >         try:
  >             testlock = acquiretestlock(repo, False)
  >         except error.LockHeld:
  >             raise error.Abort(b'lockfile on disk even after releasing!')
  >         testlock.release()
  > EOF
  $ cat >> $HGRCPATH << EOF
  > [extensions]
  > testlock=$TESTTMP/testlock.py
  > EOF

  $ hg -R b testlockexc
  abort: expected release exception
  [255]

One process waiting for another

  $ SYNC_FILE_LOCKED="$TESTTMP/sync-file-locked"
  $ export SYNC_FILE_LOCKED
  $ SYNC_FILE_TRYING_LOCK="$TESTTMP/sync-file-trying-lock"
  $ export SYNC_FILE_TRYING_LOCK
  $ cat << EOF > locker.sh
  > $RUNTESTDIR/testlib/wait-on-file 10 $SYNC_FILE_TRYING_LOCK $SYNC_FILE_LOCKED;
  > EOF
  $ cat << EOF > waiter.sh
  > $RUNTESTDIR/testlib/wait-on-file 10 $SYNC_FILE_LOCKED;
  > EOF
  $ clean_sync() {
  >   rm -f "$SYNC_FILE_LOCKED"
  >   rm -f "$SYNC_FILE_TRYING_LOCK"
  > }


  $ clean_sync
  $ echo b > b/b
  $ hg -R b ci -A -m b \
  >   --config hooks.precommit="sh $TESTTMP/locker.sh" \
  >   > stdout &
  $ hg -R b up -q \
  >   --config ui.timeout.warn=0 \
  >   --config hooks.pre-update="sh $TESTTMP/waiter.sh" \
  >   --config devel.lock-wait-sync-file="$SYNC_FILE_TRYING_LOCK" \
  >   > preup-stdout 2> preup-stderr
  $ wait
  $ cat preup-stdout
  $ cat preup-stderr
  waiting for lock on working directory of b held by process '*' on host '*' (glob)
  got lock after * seconds (glob)
  $ cat stdout
  adding b

On processs waiting on another, warning after a long time.

  $ clean_sync
  $ echo b > b/c
  $ hg -R b ci -A -m b \
  >   --config hooks.precommit="sh $TESTTMP/locker.sh" \
  >   > stdout &
  $ hg -R b up -q \
  >   --config hooks.pre-update="sh $TESTTMP/waiter.sh" \
  >   --config devel.lock-wait-sync-file="$SYNC_FILE_TRYING_LOCK" \
  >   --config ui.timeout.warn=250 \
  >   > preup-stdout 2> preup-stderr
  $ wait
  $ cat preup-stdout
  $ cat preup-stderr
  $ cat stdout
  adding c

On processs waiting on another, warning disabled.

  $ clean_sync
  $ echo b > b/d
  $ hg -R b ci -A -m b \
  >   --config hooks.precommit="sh $TESTTMP/locker.sh" \
  >   > stdout &
  $ hg -R b up -q \
  >   --config hooks.pre-update="sh $TESTTMP/waiter.sh" \
  >   --config devel.lock-wait-sync-file="$SYNC_FILE_TRYING_LOCK" \
  >   --config ui.timeout.warn=-1 \
  >   > preup-stdout 2>preup-stderr
  $ wait
  $ cat preup-stdout
  $ cat preup-stderr
  $ cat stdout
  adding d

check we still print debug output

On processs waiting on another, warning after a long time (debug output on)

  $ clean_sync
  $ echo b > b/e
  $ hg -R b ci -A -m b \
  >   --config hooks.precommit="sh $TESTTMP/locker.sh" \
  >   > stdout &
  $ hg -R b up \
  >   --config hooks.pre-update="sh $TESTTMP/waiter.sh" \
  >   --config devel.lock-wait-sync-file="$SYNC_FILE_TRYING_LOCK" \
  >   --config ui.timeout.warn=250 --debug \
  >   > preup-stdout 2>preup-stderr
  $ wait
  $ cat preup-stdout
  running hook pre-update: sh $TESTTMP/waiter.sh
  waiting for lock on working directory of b held by process '*' on host '*' (glob)
  got lock after * seconds (glob)
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cat preup-stderr
  $ cat stdout
  adding e

On processs waiting on another, warning disabled, (debug output on)

  $ clean_sync
  $ echo b > b/f
  $ hg -R b ci -A -m b \
  >   --config hooks.precommit="sh $TESTTMP/locker.sh" \
  >   > stdout &
  $ hg -R b up \
  >   --config hooks.pre-update="sh $TESTTMP/waiter.sh" \
  >   --config devel.lock-wait-sync-file="$SYNC_FILE_TRYING_LOCK" \
  >   --config ui.timeout.warn=-1 --debug\
  >   > preup-stdout 2>preup-stderr
  $ wait
  $ cat preup-stdout
  running hook pre-update: sh $TESTTMP/waiter.sh
  waiting for lock on working directory of b held by process '*' on host '*' (glob)
  got lock after * seconds (glob)
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cat preup-stderr
  $ cat stdout
  adding f

Pushing to a local read-only repo that can't be locked

  $ chmod 100 a/.hg/store

  $ hg -R b push a
  pushing to a
  searching for changes
  abort: could not lock repository a: $EACCES$
  [20]

  $ chmod 700 a/.hg/store