view tests/test-remotefilelog-cacheprocess.t @ 46197:2607a9346398

branchmap: micro-optimize branchinfo

changelogrevision() is supposed to be used if not all data of
changelog.read is used. This is the case here as only the extra field is
used. This also improves extensibility as at least hgext.git doesn't
implement changelog.read.

Differential Revision: https://phab.mercurial-scm.org/D9626

#require no-windows

  $ . "$TESTDIR/remotefilelog-library.sh"

  $ hg init repo
  $ cd repo
  $ cat >> .hg/hgrc <<EOF
  > [remotefilelog]
  > server=True
  > EOF
  $ echo x > x
  $ echo y > y
  $ echo z > z
  $ hg commit -qAm xy
  $ cd ..

  $ cat > cacheprocess-logger.py <<EOF
  > import os
  > import shutil
  > import sys
  > if sys.version_info[0] > 2:
  >     xrange = range
  > f = open('$TESTTMP/cachelog.log', 'w')
  > srccache = os.path.join('$TESTTMP', 'oldhgcache')
  > def log(message):
  >     f.write(message)
  >     f.flush()
  > destcache = sys.argv[-1]
  > try:
  >     while True:
  >         cmd = sys.stdin.readline().strip()
  >         log('got command %r\n' % cmd)
  >         if cmd == 'exit':
  >             sys.exit(0)
  >         elif cmd == 'get':
  >             count = int(sys.stdin.readline())
  >             log('client wants %r blobs\n' % count)
  >             wants = []
  >             for _ in xrange(count):
  >                 key = sys.stdin.readline()[:-1]
  >                 wants.append(key)
  >                 if '\0' in key:
  >                     _, key = key.split('\0')
  >                 srcpath = os.path.join(srccache, key)
  >                 if os.path.exists(srcpath):
  >                     dest = os.path.join(destcache, key)
  >                     destdir = os.path.dirname(dest)
  >                     if not os.path.exists(destdir):
  >                         os.makedirs(destdir)
  >                     shutil.copyfile(srcpath, dest)
  >                 else:
  >                     # report a cache miss
  >                     sys.stdout.write(key + '\n')
  >             sys.stdout.write('0\n')
  >             for key in sorted(wants):
  >                 log('requested %r\n' % key)
  >             sys.stdout.flush()
  >         elif cmd == 'set':
  >             raise Exception('todo writing')
  >         else:
  >             raise Exception('unknown command! %r' % cmd)
  > except Exception as e:
  >     log('Exception! %s\n' % e)
  >     raise
  > EOF

  $ cat >> $HGRCPATH <<EOF
  > [remotefilelog]
  > cacheprocess = python $TESTTMP/cacheprocess-logger.py
  > EOF

Test cache keys and cache misses.
  $ hgcloneshallow ssh://user@dummy/repo clone -q
  3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
  $ cat cachelog.log
  got command 'get'
  client wants 3 blobs
  requested 'master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0'
  requested 'master/39/5df8f7c51f007019cb30201c49e884b46b92fa/69a1b67522704ec122181c0890bd16e9d3e7516a'
  requested 'master/95/cb0bfd2977c761298d9624e4b4d4c72a39974a/076f5e2225b3ff0400b98c92aa6cdf403ee24cca'
  got command 'set'
  Exception! todo writing

Test cache hits.
  $ mv hgcache oldhgcache
  $ rm cachelog.log
  $ hgcloneshallow ssh://user@dummy/repo clone-cachehit -q
  3 files fetched over 1 fetches - (0 misses, 100.00% hit ratio) over *s (glob)
  $ cat cachelog.log | grep -v exit
  got command 'get'
  client wants 3 blobs
  requested 'master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0'
  requested 'master/39/5df8f7c51f007019cb30201c49e884b46b92fa/69a1b67522704ec122181c0890bd16e9d3e7516a'
  requested 'master/95/cb0bfd2977c761298d9624e4b4d4c72a39974a/076f5e2225b3ff0400b98c92aa6cdf403ee24cca'

  $ cat >> $HGRCPATH <<EOF
  > [remotefilelog]
  > cacheprocess.includepath = yes
  > EOF

Test cache keys and cache misses with includepath.
  $ rm -r hgcache oldhgcache
  $ rm cachelog.log
  $ hgcloneshallow ssh://user@dummy/repo clone-withpath -q
  3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
  $ cat cachelog.log
  got command 'get'
  client wants 3 blobs
  requested 'x\x00master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0'
  requested 'y\x00master/95/cb0bfd2977c761298d9624e4b4d4c72a39974a/076f5e2225b3ff0400b98c92aa6cdf403ee24cca'
  requested 'z\x00master/39/5df8f7c51f007019cb30201c49e884b46b92fa/69a1b67522704ec122181c0890bd16e9d3e7516a'
  got command 'set'
  Exception! todo writing

Test cache hits with includepath.
  $ mv hgcache oldhgcache
  $ rm cachelog.log
  $ hgcloneshallow ssh://user@dummy/repo clone-withpath-cachehit -q
  3 files fetched over 1 fetches - (0 misses, 100.00% hit ratio) over *s (glob)
  $ cat cachelog.log | grep -v exit
  got command 'get'
  client wants 3 blobs
  requested 'x\x00master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0'
  requested 'y\x00master/95/cb0bfd2977c761298d9624e4b4d4c72a39974a/076f5e2225b3ff0400b98c92aa6cdf403ee24cca'
  requested 'z\x00master/39/5df8f7c51f007019cb30201c49e884b46b92fa/69a1b67522704ec122181c0890bd16e9d3e7516a'