tests/test-blackbox.t
author Bryan O'Sullivan <bryano@fb.com>
Wed, 20 Mar 2013 13:40:05 -0700
changeset 18786 ed39a8f94e95
parent 18766 64b5562550e2
child 18787 f56278a0a0c5
permissions -rw-r--r--
blackbox: prevent failed I/O from causing hg to abort Instead, we simply print a warning message if opening the blackbox log file fails, or if writing to it fails.
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setup
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  $ cat > mock.py <<EOF
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  > from mercurial import util
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  > import getpass
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  > 
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  > def makedate():
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  >     return 0, 0
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  > def getuser():
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  >     return 'bob'
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  > # mock the date and user apis so the output is always the same
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  > def uisetup(ui):
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  >     util.makedate = makedate
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  >     getpass.getuser = getuser
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  > EOF
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  $ cat >> $HGRCPATH <<EOF
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  > [extensions]
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  > blackbox=
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  > mock=`pwd`/mock.py
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  > mq=
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  > EOF
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  $ hg init blackboxtest
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  $ cd blackboxtest
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command, exit codes, and duration
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  $ echo a > a
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  $ hg add a
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  $ hg blackbox
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  1970/01/01 00:00:00 bob> add a
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  1970/01/01 00:00:00 bob> add exited 0 after * seconds (glob)
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incoming change tracking
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create two heads to verify that we only see one change in the log later
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  $ hg commit -ma
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  $ hg up null
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  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
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  $ echo b > b
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  $ hg commit -Amb
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  adding b
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  created new head
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clone, commit, pull
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  $ hg clone . ../blackboxtest2
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  updating to branch default
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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ echo c > c
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  $ hg commit -Amc
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  adding c
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  $ cd ../blackboxtest2
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  $ hg pull
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  pulling from $TESTTMP/blackboxtest (glob)
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  searching for changes
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  adding changesets
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  adding manifests
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  adding file changes
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  added 1 changesets with 1 changes to 1 files
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  (run 'hg update' to get a working copy)
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  $ hg blackbox -l 3
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  1970/01/01 00:00:00 bob> pull
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  1970/01/01 00:00:00 bob> 1 incoming changes - new heads: d02f48003e62
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  1970/01/01 00:00:00 bob> pull exited None after * seconds (glob)
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we must not cause a failure if we cannot write to the log
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  $ hg rollback
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  repository tip rolled back to revision 1 (undo pull)
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  $ chmod 000 .hg/blackbox.log
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  $ hg --debug incoming
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  warning: cannot write to blackbox.log: Permission denied
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  comparing with $TESTTMP/blackboxtest
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  query 1; heads
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  searching for changes
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  all local heads known remotely
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  changeset:   2:d02f48003e62c24e2659d97d30f2a83abe5d5d51
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  tag:         tip
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  phase:       draft
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  parent:      1:6563da9dcf87b1949716e38ff3e3dfaa3198eb06
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  parent:      -1:0000000000000000000000000000000000000000
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  manifest:    2:ab9d46b053ebf45b7996f2922b9893ff4b63d892
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  user:        test
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  date:        Thu Jan 01 00:00:00 1970 +0000
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  files+:      c
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  extra:       branch=default
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  description:
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  c
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  $ hg pull
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  pulling from $TESTTMP/blackboxtest
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  searching for changes
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  adding changesets
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  adding manifests
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  adding file changes
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  added 1 changesets with 1 changes to 1 files
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  (run 'hg update' to get a working copy)
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a failure reading from the log is fine
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  $ hg blackbox -l 3
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  abort: Permission denied: $TESTTMP/blackboxtest2/.hg/blackbox.log
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  [255]
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  $ chmod 600 .hg/blackbox.log
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backup bundles get logged
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  $ touch d
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  $ hg commit -Amd
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  adding d
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  created new head
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  $ hg strip tip
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  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
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  saved backup bundle to $TESTTMP/blackboxtest2/.hg/strip-backup/*-backup.hg (glob)
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  $ hg blackbox -l 3
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  1970/01/01 00:00:00 bob> strip tip
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  1970/01/01 00:00:00 bob> saved backup bundle to $TESTTMP/blackboxtest2/.hg/strip-backup/*-backup.hg (glob)
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  1970/01/01 00:00:00 bob> strip exited 0 after * seconds (glob)
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extension and python hooks - use the eol extension for a pythonhook
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  $ echo '[extensions]' >> .hg/hgrc
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  $ echo 'eol=' >> .hg/hgrc
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  $ echo '[hooks]' >> .hg/hgrc
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  $ echo 'update = echo hooked' >> .hg/hgrc
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  $ hg update
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  hooked
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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ hg blackbox -l 4
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  1970/01/01 00:00:00 bob> update
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  1970/01/01 00:00:00 bob> pythonhook-preupdate: hgext.eol.preupdate finished in * seconds (glob)
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  1970/01/01 00:00:00 bob> exthook-update: echo hooked finished in * seconds (glob)
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  1970/01/01 00:00:00 bob> update exited False after * seconds (glob)
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cleanup
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  $ cd ..