Files
ccn/Services/Website/Tests/Browser/links.py
T

59 lines
2.2 KiB
Python

"""Crawls every internal link of a locally running Website — signed out, as a buyer, and as a seller — and reports the ones that fail.
swift run Website &
python3 Tests/Browser/links.py
Stdlib only. Exits non-zero when a link answers 4xx or 5xx.
"""
import html, re, sys, urllib.error, urllib.parse, urllib.request
BASE = "http://localhost:8080"
class NoRedirect(urllib.request.HTTPRedirectHandler):
def redirect_request(self, *args, **kwargs):
return None
opener = urllib.request.build_opener(NoRedirect)
def fetch(path, cookie=None, data=None):
request = urllib.request.Request(BASE + path, data=data, headers={"Cookie": cookie} if cookie else {})
try:
response = opener.open(request)
except urllib.error.HTTPError as error:
response = error
return response.status, response.headers, response.read().decode("utf-8", "replace")
def sign_in(email):
_, headers, _ = fetch("/sign-in", data=urllib.parse.urlencode({"email": email, "return": "/"}).encode())
return headers["Set-Cookie"].split(";")[0]
def crawl(name, cookie):
seen, queue, broken = set(), ["/"], []
while queue:
path = queue.pop()
if path in seen:
continue
seen.add(path)
status, headers, body = fetch(path, cookie)
if status >= 400:
broken.append((status, path))
continue
if 300 <= status < 400:
target = urllib.parse.urlsplit(headers["Location"])
queue.append(target.path + ("?" + target.query if target.query else ""))
continue
for href in re.findall(r'href="(/[^"#]*)', body):
href = html.unescape(href)
# Assets are covered by the app's own tests; the crawl is for screens.
if not re.match(r"/(css|js|font|uploads)/|/[^/]+\.(ico|svg|png|webmanifest|xml|txt)", href):
queue.append(href)
print(f"{name}: {len(seen)} links, {len(broken)} broken")
for status, path in sorted(broken):
print(f" {status} {path}")
return broken
broken = crawl("signed out", None)
broken += crawl("buyer", sign_in(""))
broken += crawl("seller", sign_in("joost@kestrelrow.example"))
sys.exit(1 if broken else 0)