Files
Signage/ci/test_release_assets.py
T

254 lines
11 KiB
Python
Executable File

#!/usr/bin/env python3
"""Release selection and Gitea upload tests; no real server or credential is used."""
from __future__ import annotations
import contextlib
import hashlib
import http.server
import importlib.util
import io
import json
import os
import socketserver
import tarfile
import tempfile
import threading
import unittest
import urllib.parse
from pathlib import Path
from unittest import mock
HERE = Path(__file__).resolve().parent
SPEC = importlib.util.spec_from_file_location("release_assets", HERE / "release-assets.py")
assert SPEC is not None and SPEC.loader is not None
release_assets = importlib.util.module_from_spec(SPEC)
SPEC.loader.exec_module(release_assets)
VERSION = "1.2.3"
REVISION = "a" * 40
def digest(data: bytes) -> str:
return hashlib.sha256(data).hexdigest()
def release_bundle(directory: Path) -> list[Path]:
package = directory / f"signage-{VERSION}-linux-x64-glibc.tar.gz"
metadata = json.dumps({
"module": {"id": "signage", "version": VERSION},
"provenance": {"revision": REVISION},
}).encode()
with tarfile.open(package, "w:gz") as archive:
member = tarfile.TarInfo("signage/ekklesia.package.json")
member.size = len(metadata)
archive.addfile(member, io.BytesIO(metadata))
checksum = directory / f"{package.name}.sha256"
checksum.write_text(f"{release_assets.sha256(package)} {package.name}\n", encoding="utf-8")
source = directory / f"signage-{VERSION}-linux-x64-glibc-corresponding-source.tar.gz"
source.write_bytes(b"corresponding source")
source_checksum = directory / f"{source.name}.sha256"
source_checksum.write_text(f"{release_assets.sha256(source)} {source.name}\n", encoding="utf-8")
redistribution = directory / f"signage-{VERSION}-linux-x64-glibc.redistribution.json"
redistribution.write_text(json.dumps({
"package": {"file": package.name, "sha256": release_assets.sha256(package)},
"correspondingSource": {"file": source.name, "sha256": release_assets.sha256(source)},
}), encoding="utf-8")
notice = directory / f"signage-{VERSION}-linux-x64-glibc.source-notice.txt"
notice.write_text("source notice\n", encoding="utf-8")
return [package, checksum, source, source_checksum, redistribution, notice]
class FakeGitea(http.server.BaseHTTPRequestHandler):
assets: dict[str, bytes] = {}
release_exists = True
tag_revision: str | None = REVISION
api_authorizations: list[str | None] = []
public_authorizations: list[str | None] = []
asset_posts = 0
release_posts = 0
release_request: dict[str, object] | None = None
def log_message(self, _format: str, *_args: object) -> None:
pass
def answer(self, status: int, body: object = None) -> None:
data = b"" if body is None else json.dumps(body).encode()
self.send_response(status)
self.send_header("Content-Type", "application/json")
self.send_header("Content-Length", str(len(data)))
self.end_headers()
self.wfile.write(data)
def asset_list(self) -> list[dict[str, object]]:
server = self.server
assert isinstance(server, socketserver.TCPServer)
host, port = server.server_address
return [
{"id": index, "name": name, "browser_download_url": f"http://{host}:{port}/public/{name}"}
for index, name in enumerate(self.assets, 1)
]
def do_GET(self) -> None: # noqa: N802 - BaseHTTPRequestHandler's API
if self.path.startswith("/public/"):
self.public_authorizations.append(self.headers.get("Authorization"))
name = urllib.parse.unquote(self.path.removeprefix("/public/"))
data = self.assets[name]
self.send_response(200)
self.send_header("Content-Length", str(len(data)))
self.end_headers()
self.wfile.write(data)
return
self.api_authorizations.append(self.headers.get("Authorization"))
if "/releases/tags/" in self.path:
if self.release_exists:
self.answer(200, {"id": 7, "tag_name": f"v{VERSION}"})
else:
self.answer(404, {"message": "not found"})
elif "/tags/" in self.path:
if self.tag_revision is not None:
self.answer(200, {"commit": {"sha": self.tag_revision}})
else:
self.answer(404, {"message": "not found"})
elif self.path.endswith("/releases/7/assets"):
self.answer(200, self.asset_list())
else:
self.answer(404, {"message": "not found"})
def do_POST(self) -> None: # noqa: N802 - BaseHTTPRequestHandler's API
self.api_authorizations.append(self.headers.get("Authorization"))
length = int(self.headers["Content-Length"])
body = self.rfile.read(length)
if self.path.endswith("/releases"):
request = json.loads(body)
self.__class__.release_posts += 1
self.__class__.release_request = request
self.__class__.release_exists = True
self.__class__.tag_revision = request["target_commitish"]
self.answer(201, {"id": 7, "tag_name": request["tag_name"]})
return
self.__class__.asset_posts += 1
name = urllib.parse.parse_qs(urllib.parse.urlsplit(self.path).query)["name"][0]
boundary = self.headers["Content-Type"].split("boundary=", 1)[1].encode()
payload = body.split(b"\r\n\r\n", 1)[1].rsplit(b"\r\n--" + boundary + b"--", 1)[0]
self.assets[name] = payload
self.answer(201, {"name": name})
@contextlib.contextmanager
def fake_gitea(initial: dict[str, bytes] | None = None, *, release_exists: bool = True,
tag_revision: str | None = REVISION):
FakeGitea.assets = dict(initial or {})
FakeGitea.release_exists = release_exists
FakeGitea.tag_revision = tag_revision
FakeGitea.api_authorizations = []
FakeGitea.public_authorizations = []
FakeGitea.asset_posts = 0
FakeGitea.release_posts = 0
FakeGitea.release_request = None
with socketserver.TCPServer(("127.0.0.1", 0), FakeGitea) as server:
thread = threading.Thread(target=server.serve_forever, daemon=True)
thread.start()
host, port = server.server_address
old = {name: os.environ.get(name) for name in ("GITHUB_SERVER_URL", "GITHUB_REPOSITORY", "GITHUB_TOKEN")}
os.environ.update({
"GITHUB_SERVER_URL": f"http://{host}:{port}",
"GITHUB_REPOSITORY": "owner/repository",
"GITHUB_TOKEN": "test-token",
})
try:
yield
finally:
server.shutdown()
thread.join()
for name, value in old.items():
if value is None:
os.environ.pop(name, None)
else:
os.environ[name] = value
class ReleaseAssetsTest(unittest.TestCase):
def test_selects_only_the_complete_bound_bundle(self) -> None:
with tempfile.TemporaryDirectory() as temporary:
directory = Path(temporary)
expected = release_bundle(directory)
self.assertEqual(release_assets.expected_paths(directory, f"v{VERSION}", REVISION), expected)
(directory / "unexpected.txt").write_text("no", encoding="utf-8")
with self.assertRaisesRegex(release_assets.Refused, "six required files"):
release_assets.expected_paths(directory, f"v{VERSION}", REVISION)
def test_refuses_wrong_tag_revision_and_checksum(self) -> None:
with tempfile.TemporaryDirectory() as temporary:
directory = Path(temporary)
paths = release_bundle(directory)
with self.assertRaisesRegex(release_assets.Refused, "tag"):
release_assets.expected_paths(directory, "v9.9.9", REVISION)
with self.assertRaisesRegex(release_assets.Refused, "provenance"):
release_assets.expected_paths(directory, f"v{VERSION}", "b" * 40)
with mock.patch.dict(os.environ, {"EXPECTED_PACKAGE_SHA256": "0" * 64}):
with self.assertRaisesRegex(release_assets.Refused, "package job's bytes"):
release_assets.expected_paths(directory, f"v{VERSION}", REVISION)
paths[1].write_text(f"{'0' * 64} {paths[0].name}\n", encoding="utf-8")
with self.assertRaisesRegex(release_assets.Refused, "does not match"):
release_assets.expected_paths(directory, f"v{VERSION}", REVISION)
def test_creates_release_uploads_each_byte_and_reads_it_back_anonymously(self) -> None:
with tempfile.TemporaryDirectory() as temporary:
directory = Path(temporary)
expected = release_bundle(directory)
with fake_gitea(release_exists=False, tag_revision=None):
release_assets.publish(directory, f"v{VERSION}", REVISION)
self.assertEqual(FakeGitea.release_posts, 1)
self.assertEqual(FakeGitea.release_request, {
"tag_name": f"v{VERSION}",
"target_commitish": REVISION,
"name": f"Ekklesia Signage v{VERSION}",
"body": (
"Published by the manual Publish Signage Release workflow after package, "
"external integration, and corresponding-source verification."
),
"draft": False,
"prerelease": True,
})
self.assertEqual(FakeGitea.asset_posts, 6)
self.assertEqual(FakeGitea.assets, {path.name: path.read_bytes() for path in expected})
self.assertTrue(all(value == "token test-token" for value in FakeGitea.api_authorizations))
self.assertEqual(FakeGitea.public_authorizations, [None] * 6)
def test_existing_identical_assets_are_idempotent_but_conflicts_fail(self) -> None:
with tempfile.TemporaryDirectory() as temporary:
directory = Path(temporary)
expected = release_bundle(directory)
initial = {path.name: path.read_bytes() for path in expected}
with fake_gitea(initial):
release_assets.publish(directory, f"v{VERSION}", REVISION)
self.assertEqual(FakeGitea.release_posts, 0)
self.assertEqual(FakeGitea.asset_posts, 0)
conflicting = {expected[1].name: b"different published bytes"}
with fake_gitea(conflicting):
with self.assertRaisesRegex(release_assets.Refused, "public .* expected"):
release_assets.publish(directory, f"v{VERSION}", REVISION)
self.assertEqual(FakeGitea.release_posts, 0)
self.assertEqual(FakeGitea.asset_posts, 0)
def test_refuses_existing_tag_at_another_revision_before_mutation(self) -> None:
with tempfile.TemporaryDirectory() as temporary:
directory = Path(temporary)
release_bundle(directory)
with fake_gitea(release_exists=False, tag_revision="b" * 40):
with self.assertRaisesRegex(release_assets.Refused, "existing tag"):
release_assets.publish(directory, f"v{VERSION}", REVISION)
self.assertEqual(FakeGitea.release_posts, 0)
self.assertEqual(FakeGitea.asset_posts, 0)
if __name__ == "__main__":
unittest.main()