def test_different_parents(self) -> None:
mount_path = Path(self.mount)
# set eden to point at the first commit, while keeping mercurial at the
# second commit
parents = WorkingDirectoryParents(parent1=self.commit1.encode("utf-8"))
params = ResetParentCommitsParams()
with self.eden.get_thrift_client_legacy() as client:
client.resetParentCommits(mountPoint=bytes(mount_path),
parents=parents,
params=params)
output = self.eden.run_cmd("debug", "parents",
cwd=self.mount).strip("\n")
self.assertEqual(output, self.commit1)
output_hg = self.eden.run_cmd("debug",
"parents",
"--hg",
cwd=self.mount)
expected = "Mercurial p0: %s\nEdenFS snapshot: %s\n" % (
self.commit2,
self.commit1,
)
self.assertEqual(output_hg, expected)
def _assert_thrift_calls_fail_during_mount_init(
self, client: EdenClient) -> None:
error_regex = "mount point .* is still initializing"
mount_path = Path(self.mount)
null_commit = b"\00" * 20
with self.assertRaisesRegex(EdenError, error_regex) as ctx:
client.getFileInformation(mountPoint=bytes(mount_path),
paths=[b""],
sync=SyncBehavior())
self.assertEqual(EdenErrorType.POSIX_ERROR, ctx.exception.errorType)
with self.assertRaisesRegex(EdenError, error_regex) as ctx:
client.getScmStatus(mountPoint=bytes(mount_path),
listIgnored=False,
commit=null_commit)
self.assertEqual(EdenErrorType.POSIX_ERROR, ctx.exception.errorType)
parents = WorkingDirectoryParents(parent1=null_commit)
params = ResetParentCommitsParams()
with self.assertRaisesRegex(EdenError, error_regex) as ctx:
client.resetParentCommits(mountPoint=bytes(mount_path),
parents=parents,
params=params)
self.assertEqual(EdenErrorType.POSIX_ERROR, ctx.exception.errorType)
def _assert_thrift_calls_fail_during_mount_init(self, client: EdenClient) -> None:
error_regex = "mount point .* is still initializing"
mount_path = Path(self.mount)
null_commit = b"\00" * 20
with self.assertRaisesRegex(EdenError, error_regex):
client.getFileInformation(mountPoint=bytes(mount_path), paths=[b""])
with self.assertRaisesRegex(EdenError, error_regex):
client.getScmStatus(
mountPoint=bytes(mount_path), listIgnored=False, commit=null_commit
)
parents = WorkingDirectoryParents(parent1=null_commit)
with self.assertRaisesRegex(EdenError, error_regex):
client.resetParentCommits(mountPoint=bytes(mount_path), parents=parents)
def test_eden_doctor_fixes_invalid_mismatched_parents(self) -> None:
# this specifically tests when EdenFS and Mercurial are out of sync,
# but Mercurial does not know about Eden's WCP
mount_path = Path(self.mount)
corrupt_commit = b"9" * 40
parents = WorkingDirectoryParents(parent1=corrupt_commit)
# point eden to a random commit
with self.eden.get_thrift_client() as client:
client.resetParentCommits(mountPoint=bytes(mount_path),
parents=parents)
with self.assertRaises(hgrepo.HgError) as status_context:
self.repo.status()
self.assertIn(b"requested parent commit is out-of-date",
status_context.exception.stderr)
# hg whereami reads eden's SNAPSHOT file
eden_parent = self.hg("whereami").strip("\n")
hg_parent = self.hg("log", "-r.", "-T{node}")
# make sure that eden and mercurial are out of sync
self.assertNotEqual(eden_parent, hg_parent)
cmd_result = self.eden.run_unchecked("doctor",
"-n",
stdout=subprocess.PIPE)
self.assertIn(b"Eden's snapshot file points to a bad commit",
cmd_result.stdout)
# run eden doctor and make sure eden and mercurial are in sync again
fixed_result = self.eden.run_unchecked("doctor",
stdout=subprocess.PIPE)
self.assertIn(b"Successfully fixed 1 problem", fixed_result.stdout)
eden_parent_fixed = self.hg("whereami").strip("\n")
hg_parent_fixed = self.hg("log", "-r.", "-T{node}")
self.assertEqual(eden_parent_fixed, hg_parent_fixed)
# Since Eden's snapshot file pointed to a bad commit, it should pick
# mercurial's parent as the new parent
self.assertEqual(hg_parent, hg_parent_fixed)
def test_eden_doctor_fixes_valid_mismatched_parents(self) -> None:
# this specifically tests when EdenFS and Mercurial are out of sync,
# but and mercurial does know about EdenFS's WCP
mount_path = Path(self.mount)
# set eden to point at the first commit, while keeping mercurial at the
# second commit
parents = WorkingDirectoryParents(parent1=self.commit1.encode("utf-8"))
with self.eden.get_thrift_client() as client:
client.resetParentCommits(mountPoint=bytes(mount_path),
parents=parents)
with self.assertRaises(hgrepo.HgError) as status_context:
self.repo.status()
self.assertIn(b"requested parent commit is out-of-date",
status_context.exception.stderr)
# hg whereami reads eden's SNAPSHOT file
eden_parent = self.hg("whereami").strip("\n")
hg_parent = self.hg("log", "-r.", "-T{node}")
# make sure that eden and mercurial are out of sync
self.assertNotEqual(eden_parent, hg_parent)
cmd_result = self.eden.run_unchecked("doctor",
"-n",
stdout=subprocess.PIPE)
error_msg = (
"mercurial's parent commit is %s, but Eden's internal parent commit is %s"
% (self.commit2, self.commit1))
self.assertIn(error_msg.encode("utf-8"), cmd_result.stdout)
# run eden doctor and make sure eden and mercurial are in sync again
fixed_result = self.eden.run_unchecked("doctor",
stdout=subprocess.PIPE)
self.assertIn(b"Successfully fixed 1 problem", fixed_result.stdout)
eden_parent_fixed = self.hg("whereami").strip("\n")
hg_parent_fixed = self.hg("log", "-r.", "-T{node}")
self.assertEqual(eden_parent_fixed, hg_parent_fixed)
# Since Eden's snapshot file pointed to a known commit, it should pick
# Eden's parent as the new parent
self.assertEqual(eden_parent, hg_parent_fixed)
