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import json
import logging
import os
import random
import socket
import yaml
def create_file_with_given_data(ctx, filename=None, data=None):
logging.debug(f"creating file {filename} with {data!r}")
dirname = os.path.dirname(filename) or "."
os.makedirs(dirname, exist_ok=True)
open(filename, "wb").write(data.encode("UTF-8"))
def create_file_with_random_data(ctx, filename=None):
N = 128
data = "".join(chr(random.randint(0, 255)) for i in range(N))
create_file_with_given_data(ctx, filename=filename, data=data)
def create_unix_socket(ctx, filename=None):
fd = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
fd.bind(filename)
def create_fifo(ctx, filename=None):
os.mkfifo(filename)
def create_nonutf8_filename(ctx, dirname=None):
filename = "\x88"
os.mkdir(dirname)
open(filename, "wb").close()
def chmod_file(ctx, filename=None, mode=None):
os.chmod(filename, int(mode, 8))
def create_symlink(ctx, linkname=None, target=None):
os.symlink(linkname, target)
def create_manifest_of_live(ctx, dirname=None, manifest=None):
_create_manifest_of_directory(ctx, dirname=dirname, manifest=manifest)
def create_manifest_of_restored(ctx, dirname=None, restored=None, manifest=None):
_create_manifest_of_directory(
ctx, dirname=os.path.join(restored, "./" + dirname), manifest=manifest
)
def _create_manifest_of_directory(ctx, dirname=None, manifest=None):
runcmd_run = globals()["runcmd_run"]
runcmd_get_exit_code = globals()["runcmd_get_exit_code"]
runcmd_get_stdout = globals()["runcmd_get_stdout"]
logging.info(f"creating manifest for {dirname} in {manifest}")
runcmd_run(ctx, ["find", "-exec", "summain", "{}", "+"], cwd=dirname)
assert runcmd_get_exit_code(ctx) == 0
stdout = runcmd_get_stdout(ctx)
open(manifest, "w").write(stdout)
def file_is_restored(ctx, filename=None, restored=None):
filename = os.path.join(restored, "./" + filename)
exists = os.path.exists(filename)
logging.debug(f"restored? {filename} {exists}")
assert exists
def file_is_not_restored(ctx, filename=None, restored=None):
filename = os.path.join(restored, "./" + filename)
exists = os.path.exists(filename)
logging.debug(f"restored? {filename} {exists}")
assert not exists
def files_match(ctx, first=None, second=None):
assert_eq = globals()["assert_eq"]
f = open(first).read()
s = open(second).read()
logging.debug(f"files_match: f:\n{f}")
logging.debug(f"files_match: s:\n{s}")
assert_eq(f, s)
def convert_yaml_to_json(ctx, yaml_name=None, json_name=None):
with open(yaml_name) as f:
obj = yaml.safe_load(f)
with open(json_name, "w") as f:
json.dump(obj, f)
def match_stdout_to_json_file(ctx, filename=None):
runcmd_get_stdout = globals()["runcmd_get_stdout"]
assert_eq = globals()["assert_eq"]
stdout = runcmd_get_stdout(ctx)
stdout = json.loads(stdout.strip())
obj = json.load(open(filename))
logging.debug(f"match_stdout_to_json_file: stdout={stdout!r}")
logging.debug(f"match_stdout_to_json_file: file={obj!r}")
for key in obj:
if key not in stdout:
logging.error(f"{key} not in stdout")
assert key in stdout
if stdout[key] != obj[key]:
logging.error(f"stdout value for key is not what was exptected")
assert_eq(stdout[key], obj[key])
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