File size: 2,028 Bytes
1e54930 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | #!/usr/bin/env python3
"""Regression checks for transient and permanent URL-checker failures."""
from __future__ import annotations
import io
import urllib.error
import urllib.request
from unittest import mock
from verify_urls import check_url
class FakeResponse:
def __init__(self, url: str, status: int) -> None:
self.url = url
self.status = status
def geturl(self) -> str:
return self.url
def __enter__(self) -> "FakeResponse":
return self
def __exit__(self, *args: object) -> None:
return None
class FixtureOpener:
def __init__(self) -> None:
self.transient_gets = 0
def open(self, request: urllib.request.Request, timeout: float) -> FakeResponse:
url = request.full_url
if request.get_method() == "HEAD":
raise urllib.error.HTTPError(url, 500, "fixture HEAD failure", {}, io.BytesIO())
if url.endswith("/transient"):
self.transient_gets += 1
if self.transient_gets == 1:
raise urllib.error.HTTPError(url, 500, "fixture transient failure", {}, io.BytesIO())
return FakeResponse(url, 200)
raise urllib.error.HTTPError(url, 404, "fixture missing", {}, io.BytesIO())
def main() -> int:
opener = FixtureOpener()
with mock.patch("verify_urls.urllib.request.build_opener", return_value=opener), mock.patch(
"verify_urls.time.sleep"
):
ok, detail = check_url("https://fixture.invalid/transient", timeout=2, attempts=2)
if not ok or detail != "200 GET" or opener.transient_gets != 2:
raise RuntimeError(f"transient 500 was not retried successfully: {ok=}, {detail=}")
ok, detail = check_url("https://fixture.invalid/missing", timeout=2, attempts=3)
if ok or detail != "404 GET":
raise RuntimeError(f"permanent 404 was not reported: {ok=}, {detail=}")
print("URL checker regression checks passed.")
return 0
if __name__ == "__main__":
raise SystemExit(main())
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