sapling/eden/integration/hg/merge_test.py
generatedunixname89002005307016 4c76d686a8 Update pyre version for eden
Summary: Automatic upgrade to remove `version` override and silence errors.

Reviewed By: grievejia

Differential Revision: D17956249

fbshipit-source-id: d5c8b5aa73151b3fea67aec35d70f332030da2c9
2019-10-16 16:56:29 -07:00

91 lines
3.3 KiB
Python

#!/usr/bin/env python3
# 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 eden.integration.lib.hgrepo import HgRepository
from .lib.hg_extension_test_base import EdenHgTestCase, hg_test
@hg_test
# pyre-fixme[13]: Attribute `backing_repo` is never initialized.
# pyre-fixme[13]: Attribute `backing_repo_name` is never initialized.
# pyre-fixme[13]: Attribute `config_variant_name` is never initialized.
# pyre-fixme[13]: Attribute `repo` is never initialized.
class MergeTest(EdenHgTestCase):
"""Note that Mercurial has a number of built-in merge tools:
https://www.mercurial-scm.org/repo/hg/help/merge-tools
"""
commit0: str
commit1: str
commit2: str
def populate_backing_repo(self, repo: HgRepository) -> None:
repo.write_file("foo", "original")
self.commit0 = repo.commit("root commit")
repo.write_file("foo", "1")
self.commit1 = repo.commit("commit1")
repo.update(self.commit0)
repo.write_file("foo", "2")
self.commit2 = repo.commit("commit2")
def test_merge_local(self) -> None:
self._do_merge_and_commit(":local")
self._verify_tip("2")
def test_merge_other(self) -> None:
self._do_merge_and_commit(":other")
self._verify_tip("1")
def test_merge_union(self) -> None:
self._do_merge_and_commit(":union")
self._verify_tip("21")
def _do_merge_and_commit(self, tool: str) -> None:
self.hg("merge", "--tool", tool, "-r", self.commit1)
self.assert_status({"foo": "M"}, op="merge")
self.repo.commit("merge commit1 into commit2")
self.assert_status_empty()
def test_resolve_merge(self) -> None:
# Perform the merge and let it fail with the file unresolved
self.hg("merge", "--tool", ":fail", "-r", self.commit1, check=False)
self.assert_status({"foo": "M"}, op="merge")
self.assert_unresolved(["foo"])
self.write_file("foo", "3")
self.hg("resolve", "--mark", "foo")
self.assert_unresolved(unresolved=[], resolved=["foo"])
self.assert_status({"foo": "M"}, op="merge")
self.repo.commit("merge commit1 into commit2")
self._verify_tip("3")
def test_clear_merge_state(self) -> None:
# Perform the merge and let it fail with the file unresolved
self.hg("merge", "--tool", ":fail", "-r", self.commit1, check=False)
self.assert_status({"foo": "M"}, op="merge")
self.assert_unresolved(["foo"])
# "hg update --clean ." should reset is back to a clean state
# with no outstanding merge conflicts.
self.hg("update", "--clean", ".")
self.assertEqual(self.commit2, self.repo.get_head_hash())
self.assert_status_empty()
self.assert_unresolved([])
def _verify_tip(self, expected_contents: str) -> None:
files = self.repo.log(template="{files}", revset="tip")[0]
self.assertEqual("foo", files)
p1, p2 = self.repo.log(template="{p1node}\n{p2node}", revset="tip")[0].split(
"\n"
)
self.assertEqual(self.commit2, p1)
self.assertEqual(self.commit1, p2)
self.assertEqual(expected_contents, self.read_file("foo"))