vieter/test.py

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import random
import tempfile
import tarfile
from pathlib import Path
import uuid
import argparse
import asyncio
import aiohttp
import sys
# A list of words the program can choose from
WORDS = ["alpha", "bravo", "charlie", "delta", "echo", "foxtrot", "golf",
"hotel", "india", "juliet", "kilo", "lima", "mike", "november",
"oscar", "papa", "quebec", "romeo", "sierra", "tango", "uniform",
"victor", "whiskey", "xray", "yankee", "zulu"]
SEED = 2022
def random_words(words, min_len, max_len=None):
"""
Returns a random list of words, with a length randomly choosen between
min_len and max_len. If max_len is None, it is equal to the length of
words.
"""
if max_len is None:
max_len = len(words)
k = random.randint(min_len, max_len)
return random.choices(words, k=k)
def random_lists(words, n, min_len, max_len=None):
return [random_words(words, min_len, max_len) for _ in range(n)]
def create_random_pkginfo(words, name_min_len, name_max_len):
"""
Generates a random .PKGINFO
"""
name = "-".join(random_words(words, name_min_len, name_max_len))
ver = "0.1.0" # doesn't matter what it is anyways
# TODO add random dependencies (all types)
data = {
"pkgname": name,
"pkgbase": name,
"pkgver": ver,
"arch": "x86_64"
}
return "\n".join(f"{key} = {value}" for key, value in data.items())
def create_random_package(tmpdir, words, pkg_name_min_len, pkg_name_max_len, min_files, max_files, min_filename_len, max_filename_len):
"""
Creates a random, but valid Arch package, using the provided tmpdir. Output
is the path to the created package tarball.
"""
sub_path = tmpdir / uuid.uuid4().hex
sub_path.mkdir()
tar_path = sub_path / "archive.pkg.tar.gz"
def remove_prefix(tar_info):
tar_info.name = tar_info.name[len(str(sub_path)):]
return tar_info
with tarfile.open(tar_path, "w:gz") as tar:
# Add random .PKGINFO file
pkginfo_file = sub_path / ".PKGINFO"
pkginfo_file.write_text(create_random_pkginfo(words, pkg_name_min_len, pkg_name_max_len))
tar.add(pkginfo_file, filter=remove_prefix)
# Create random files
file_count = random.randint(min_files, max_files)
for words in random_lists(words, file_count, min_filename_len, max_filename_len):
path = sub_path / 'usr' / ('/'.join(words) + ".txt")
path.parent.mkdir(parents=True, exist_ok=True)
path.write_text(' '.join(words))
tar.add(path, filter=remove_prefix)
return tar_path
async def check_output(r):
good = {"File already exists.", "Package added successfully."}
txt = await r.text()
return (txt in good, txt)
async def upload_random_package(tar_path, sem):
async with sem:
with open(tar_path, 'rb') as f:
async with aiohttp.ClientSession() as s:
async with s.post("http://localhost:8000/publish", data=f.read(), headers={"x-api-key": "test"}) as r:
return await check_output(r)
async def main():
parser = argparse.ArgumentParser(description="Test vieter by uploading random package files.")
parser.add_argument("count", help="How many packages to upload.", default=1, type=int)
parser.add_argument("-p", "--parallel", help="How many uploads to run in parallel.", default=1, type=int)
parser.add_argument("-s", "--seed", help="Seed for the randomizer.", default=SEED, type=int)
parser.add_argument("--min-files", help="Minimum amount of files to add to an archive.", default=5, type=int)
parser.add_argument("--max-files", help="Max amount of files to add to an archive.", default=10, type=int)
parser.add_argument("--min-filename-length", help="Minimum amount of words to use for generating filenames.", default=1, type=int)
parser.add_argument("--max-filename-length", help="Max amount of words to use for generating filenames.", default=5, type=int)
parser.add_argument("--min-pkg-name-length", help="Minimum amount of words to use for creating package name.", default=1, type=int)
parser.add_argument("--max-pkg-name-length", help="Max amount of words to use for creating package name.", default=3, type=int)
parser.add_argument("--words", help="Words to use for randomizing.", default=WORDS, type=lambda s: s.split(','))
# parser.add_argument("--words", help="Words to use for randomizing.", default=WORDS, type=)
# parser.add_argument("-d", "--dir", help="Directory to create ")
args = parser.parse_args()
sem = asyncio.BoundedSemaphore(args.parallel)
random.seed(args.seed)
with tempfile.TemporaryDirectory() as tmpdirname:
tmpdir = Path(tmpdirname)
# We generate the tars in advance because they're not async anyways
print("Generating tarballs...")
tars = {
create_random_package(tmpdir, args.words, args.min_pkg_name_length, args.max_pkg_name_length, args.min_files, args.max_files, args.min_filename_length, args.max_filename_length)
for _ in range(args.count)
}
print("Sending requests...")
res = await asyncio.gather(*(upload_random_package(tar, sem) for tar in tars))
# Generate status report
if any(not x[0] for x in res):
sys.exit(1)
if __name__ == "__main__":
asyncio.run(main())