sapling/eden/integration/remount_test.py
Lukasz Langa deee232d74 Upgrade to 18.5b1
Summary: Mostly empty lines removed and added.  A few bugfixes on excessive line splitting.

Reviewed By: cooperlees

Differential Revision: D8198776

fbshipit-source-id: 4361faf4a2b9347d57fb6e1342c494575f2beb67
2018-05-30 01:11:47 -07:00

225 lines
7.9 KiB
Python

#!/usr/bin/env python3
#
# Copyright (c) 2016-present, Facebook, Inc.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree. An additional grant
# of patent rights can be found in the PATENTS file in the same directory.
import json
import os
from .lib import edenclient, testcase
@testcase.eden_repo_test
class RemountTest(testcase.EdenRepoTest):
def populate_repo(self) -> None:
self.repo.write_file("hello", "hola\n")
self.repo.write_file("adir/file", "foo!\n")
self.repo.symlink("slink", "hello")
self.repo.commit("Initial commit.")
def select_storage_engine(self) -> str:
""" we need to persist data across restarts """
return "sqlite"
def test_remount_basic(self) -> None:
# Mount multiple clients
for i in range(5):
self.eden.clone(self.repo_name, self.mount + "-" + str(i))
self.eden.shutdown()
self.eden.start()
# Verify that clients are remounted on startup
for i in range(5):
entries = sorted(os.listdir(self.mount + "-" + str(i)))
self.assertEqual([".eden", "adir", "hello", "slink"], entries)
# Verify that default repo created by EdenRepoTestBase is remounted
entries = sorted(os.listdir(self.mount))
self.assertEqual([".eden", "adir", "hello", "slink"], entries)
def test_git_and_hg(self) -> None:
# Create git and hg repositories for mounting
repo_names = {"git": "git_repo", "hg": "hg_repo"}
git_repo = self.create_git_repo(repo_names["git"])
hg_repo = self.create_hg_repo(repo_names["hg"])
git_repo.write_file("hello", "hola\n")
git_repo.commit("Initial commit.")
hg_repo.write_file("hello", "hola\n")
hg_repo.commit("Initial commit.")
self.eden.add_repository(repo_names["git"], git_repo.path)
self.eden.add_repository(repo_names["hg"], hg_repo.path)
# Mount git and hg clients
for name in repo_names.values():
for i in range(3):
self.eden.clone(
name, os.path.join(self.mounts_dir, name + "-" + str(i))
)
self.eden.shutdown()
self.eden.start()
# Verify that clients are remounted on startup
for name in repo_names.values():
for i in range(3):
mount_path = os.path.join(self.mounts_dir, name + "-" + str(i))
entries = sorted(os.listdir(mount_path))
self.assertEqual([".eden", "hello"], entries)
hello = os.path.join(mount_path, "hello")
with open(hello, "r") as f:
self.assertEqual("hola\n", f.read())
def test_partial_unmount(self) -> None:
# Mount multiple clients
for i in range(5):
self.eden.clone(self.repo_name, self.mount + "-" + str(i))
# Unmount a client
self.eden.remove(self.mount)
self.assertFalse(os.path.exists(self.mount))
self.eden.shutdown()
self.eden.start()
# Verify that clients that were still mounted at shutdown are remounted
for i in range(5):
entries = sorted(os.listdir(self.mount + "-" + str(i)))
self.assertEqual([".eden", "adir", "hello", "slink"], entries)
# Verify that unmounted client is not remounted
self.assertFalse(os.path.exists(self.mount))
def test_restart_twice(self) -> None:
# Mount multiple clients
for i in range(5):
self.eden.clone(self.repo_name, self.mount + "-" + str(i))
self.eden.shutdown()
self.eden.start()
# Unmount clients
self.eden.remove(self.mount)
self.eden.remove(self.mount + "-3")
self.eden.shutdown()
self.eden.start()
# Verify that clients that were still mounted at shutdown are remounted
for i in range(5):
if i == 3:
continue
entries = sorted(os.listdir(self.mount + "-" + str(i)))
self.assertEqual([".eden", "adir", "hello", "slink"], entries)
# Verify that unmounted clients are not remounted
self.assertFalse(os.path.exists(self.mount))
self.assertFalse(os.path.exists(self.mount + "3"))
def test_try_remount_existing_mount(self) -> None:
"""Verify trying to mount an existing mount prints a sensible error."""
mount_destination = self.mount + "-0"
self.eden.clone(self.repo_name, mount_destination)
with self.assertRaises(edenclient.EdenCommandError) as context:
self.eden.run_cmd("mount", mount_destination)
self.assertEqual(
(
b"ERROR: Mount point in use! %s is already mounted by Eden.\n"
% mount_destination.encode()
),
context.exception.stderr,
)
self.assertEqual(1, context.exception.returncode)
def test_empty_config_json(self) -> None:
for i in range(5):
self.eden.clone(self.repo_name, self.mount + "-" + str(i))
# Clear the contents of config.json file
open(os.path.join(self.eden_dir, "config.json"), "w").close()
self.eden.shutdown()
self.eden.start()
# Verify that no clients are remounted. No errors should be thrown here
for i in range(5):
entries = sorted(os.listdir(self.mount + "-" + str(i)))
self.assertEqual([], entries)
entries = sorted(os.listdir(self.mount))
self.assertEqual([], entries)
def test_deleted_config_json(self) -> None:
for i in range(5):
self.eden.clone(self.repo_name, self.mount + "-" + str(i))
# Delete the config.json file
os.remove(os.path.join(self.eden_dir, "config.json"))
self.eden.shutdown()
self.eden.start()
# Verify that no clients are remounted. No errors should be thrown here
for i in range(5):
entries = sorted(os.listdir(self.mount + "-" + str(i)))
self.assertEqual([], entries)
entries = sorted(os.listdir(self.mount))
self.assertEqual([], entries)
def test_incorrect_config_json(self) -> None:
for i in range(5):
self.eden.clone(self.repo_name, self.mount + "-" + str(i))
# Reload config.json file with incorrect data
config_data = {
self.mounts_dir + "/incorrectdir1": "jskdnbailreylbflhv",
self.mounts_dir + "/incorrectdir2": "ndjnhaleruybfialus",
}
with open(os.path.join(self.eden_dir, "config.json"), "w") as f:
json.dump(config_data, f, indent=2, sort_keys=True)
f.write("\n")
self.eden.shutdown()
self.eden.start()
# Verify that no clients are remounted. No errors should be thrown here
for i in range(5):
entries = sorted(os.listdir(self.mount + "-" + str(i)))
self.assertEqual([], entries)
entries = sorted(os.listdir(self.mount))
self.assertEqual([], entries)
# Incorrect mount paths from config.json should not have been created
for incorrect_mount in config_data:
self.assertFalse(os.path.isdir(incorrect_mount))
def test_bad_config_json(self) -> None:
for i in range(5):
self.eden.clone(self.repo_name, self.mount + "-" + str(i))
# Reload config.json file with random data
with open(os.path.join(self.eden_dir, "config.json"), "w") as f:
f.write("njfaeriurbvailuwrawikc\n")
self.eden.shutdown()
self.eden.start()
# Verify that no clients are remounted. No errors should be thrown here
for i in range(5):
entries = sorted(os.listdir(self.mount + "-" + str(i)))
self.assertEqual([], entries)
entries = sorted(os.listdir(self.mount))
self.assertEqual([], entries)