sapling/eden/scm/tests/test-metalog-migration-t.py
Carolyn Busch 9bd69cbb3a enable passing py3 tests
Summary: Enable all disabled py3 tests that are passing.

Reviewed By: xavierd

Differential Revision: D21896122

fbshipit-source-id: 35b8dd6bb7a1b9f2d002f1b021989f642ed790ec
2020-06-10 19:29:42 -07:00

85 lines
2.1 KiB
Python

# Copyright (c) Facebook, Inc. and its affiliates.
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2.
from __future__ import absolute_import
from testutil.autofix import eq
from testutil.dott import feature, sh, testtmp # noqa: F401
def backup():
"""Backup .hg/store/{bookmarks,remotenames}"""
for name in ["bookmarks", "remotenames"]:
path = ".hg/store/%s" % name
sh.cp(path, "%s.bak" % path)
def restore():
"""Rewrite .hg/store/{bookmarks,remotenames} with backup"""
for name in ["bookmarks", "remotenames"]:
path = ".hg/store/%s" % name
sh.cp("%s.bak" % path, path)
def setbookmarks(name):
"""Set bookmarks to specified commit"""
sh.hg("bookmark", "book", "-r", "desc(%s)" % name)
sh.hg("debugremotebookmark", "remotebook", "desc(%s)" % name)
def listbookmarks():
"""List local and remote bookmarks"""
local = sh.hg("log", "-r", sh.hg("bookmarks", "-T", "{node}"), "-T{desc}")
remote = sh.hg(
"log", "-r", sh.hg("bookmarks", "--remote", "-T", "{node}"), "-T{desc}"
)
return [local, remote]
sh.newrepo()
sh.setconfig("experimental.metalog=0")
sh.enable("remotenames")
sh % "drawdag" << r"""
C
|
B
|
A
"""
# Prepare bookmarks and remotenames. Set them to A in backup, and B on disk.
setbookmarks("A")
backup()
setbookmarks("B")
# Test migrating from disk to metalog.
# They should migrate "B" from disk to metalog and use it.
sh.setconfig("experimental.metalog=1")
eq(listbookmarks(), ["B", "B"])
# Metalog is the source of truth. Changes to .hg/store are ignored.
restore()
eq(listbookmarks(), ["B", "B"])
# Test migrating from metalog to disk.
# Metalog is not the source of truth. Changes to .hg/store are effective.
sh.setconfig("experimental.metalog=0")
setbookmarks("C")
eq(listbookmarks(), ["C", "C"])
restore()
eq(listbookmarks(), ["A", "A"])
# Migrate up again.
# At this time metalog should import "A" from disk to metalog, instead of
# using "B" that exists in metalog.
sh.setconfig("experimental.metalog=1")
eq(listbookmarks(), ["A", "A"])