test-pager: make the test compatible with chg
D911 tried to make this test compatible with chg but instead resulted
in the test being flaky for chg. For now, disabling this test for chg because
it seems difficult to fix the test. This will allow for the continuous build
setup for chg.
Test Plan:
Ran the test 'test-pager.t' with and without the '--chg' option.
Differential Revision: https://phab.mercurial-scm.org/D1128
# coding=UTF-8
from __future__ import absolute_import
import base64
import zlib
from mercurial import (
changegroup,
exchange,
extensions,
filelog,
revlog,
util,
)
# Test only: These flags are defined here only in the context of testing the
# behavior of the flag processor. The canonical way to add flags is to get in
# touch with the community and make them known in revlog.
REVIDX_NOOP = (1 << 3)
REVIDX_BASE64 = (1 << 2)
REVIDX_GZIP = (1 << 1)
REVIDX_FAIL = 1
def validatehash(self, text):
return True
def bypass(self, text):
return False
def noopdonothing(self, text):
return (text, True)
def b64encode(self, text):
return (base64.b64encode(text), False)
def b64decode(self, text):
return (base64.b64decode(text), True)
def gzipcompress(self, text):
return (zlib.compress(text), False)
def gzipdecompress(self, text):
return (zlib.decompress(text), True)
def supportedoutgoingversions(orig, repo):
versions = orig(repo)
versions.discard('01')
versions.discard('02')
versions.add('03')
return versions
def allsupportedversions(orig, ui):
versions = orig(ui)
versions.add('03')
return versions
def noopaddrevision(orig, self, text, transaction, link, p1, p2,
cachedelta=None, node=None,
flags=revlog.REVIDX_DEFAULT_FLAGS):
if '[NOOP]' in text:
flags |= REVIDX_NOOP
return orig(self, text, transaction, link, p1, p2, cachedelta=cachedelta,
node=node, flags=flags)
def b64addrevision(orig, self, text, transaction, link, p1, p2,
cachedelta=None, node=None,
flags=revlog.REVIDX_DEFAULT_FLAGS):
if '[BASE64]' in text:
flags |= REVIDX_BASE64
return orig(self, text, transaction, link, p1, p2, cachedelta=cachedelta,
node=node, flags=flags)
def gzipaddrevision(orig, self, text, transaction, link, p1, p2,
cachedelta=None, node=None,
flags=revlog.REVIDX_DEFAULT_FLAGS):
if '[GZIP]' in text:
flags |= REVIDX_GZIP
return orig(self, text, transaction, link, p1, p2, cachedelta=cachedelta,
node=node, flags=flags)
def failaddrevision(orig, self, text, transaction, link, p1, p2,
cachedelta=None, node=None,
flags=revlog.REVIDX_DEFAULT_FLAGS):
# This addrevision wrapper is meant to add a flag we will not have
# transforms registered for, ensuring we handle this error case.
if '[FAIL]' in text:
flags |= REVIDX_FAIL
return orig(self, text, transaction, link, p1, p2, cachedelta=cachedelta,
node=node, flags=flags)
def extsetup(ui):
# Enable changegroup3 for flags to be sent over the wire
wrapfunction = extensions.wrapfunction
wrapfunction(changegroup,
'supportedoutgoingversions',
supportedoutgoingversions)
wrapfunction(changegroup,
'allsupportedversions',
allsupportedversions)
# Teach revlog about our test flags
flags = [REVIDX_NOOP, REVIDX_BASE64, REVIDX_GZIP, REVIDX_FAIL]
revlog.REVIDX_KNOWN_FLAGS |= util.bitsfrom(flags)
revlog.REVIDX_FLAGS_ORDER.extend(flags)
# Teach exchange to use changegroup 3
for k in exchange._bundlespeccgversions.keys():
exchange._bundlespeccgversions[k] = '03'
# Add wrappers for addrevision, responsible to set flags depending on the
# revision data contents.
wrapfunction(filelog.filelog, 'addrevision', noopaddrevision)
wrapfunction(filelog.filelog, 'addrevision', b64addrevision)
wrapfunction(filelog.filelog, 'addrevision', gzipaddrevision)
wrapfunction(filelog.filelog, 'addrevision', failaddrevision)
# Register flag processors for each extension
revlog.addflagprocessor(
REVIDX_NOOP,
(
noopdonothing,
noopdonothing,
validatehash,
)
)
revlog.addflagprocessor(
REVIDX_BASE64,
(
b64decode,
b64encode,
bypass,
),
)
revlog.addflagprocessor(
REVIDX_GZIP,
(
gzipdecompress,
gzipcompress,
bypass
)
)