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linkcheck tests: test webservers: enable HTTP/1.1 protocol #11392

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merged 11 commits into from Jul 22, 2023
Merged

linkcheck tests: test webservers: enable HTTP/1.1 protocol #11392

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7b16392
tests: linkcheck builder: update test webserver handlers from HTTP/1.…
jayaddison May 3, 2023
32f97de
tests: linkcheck: send content-length header for all HTTP/1.1 server …
jayaddison Apr 27, 2023
45053ad
tests: linkcheck: ConnectionResetHandler: close the connection by set…
jayaddison Apr 18, 2023
aec34ad
tests: linkcheck: capture_headers_handler: relocate the (client) head…
jayaddison Apr 21, 2023
824202e
tests: linkcheck: InfiniteRedirectOnHeadHandler: close server-side co…
jayaddison Apr 27, 2023
b89450c
Compatibility issue: pin to 'urllib3<2.0.0' pending support in 'reque…
jayaddison May 14, 2023
c899963
Revert "Compatibility issue: pin to 'urllib3<2.0.0' pending support i…
jayaddison May 14, 2023
e405f91
unit tests: enable multi-threaded HTTP webserver
jayaddison May 14, 2023
94644fd
Merge branch 'master' into issue-11324-prep/linkcheck-tests-http-1.1
AA-Turner May 15, 2023
835152a
Merge branch 'master' into issue-11324-prep/linkcheck-tests-http-1.1
jayaddison Jul 22, 2023
f88728d
linkcheck builder tests: add missing content-length header transmission
jayaddison Jul 22, 2023
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58 changes: 50 additions & 8 deletions tests/test_build_linkcheck.py
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Open in desktop
Expand Up @@ -27,24 +27,39 @@


class DefaultsHandler(http.server.BaseHTTPRequestHandler):
protocol_version = "HTTP/1.1"

def do_HEAD(self):
if self.path[1:].rstrip() == "":
self.send_response(200, "OK")
self.send_header("Content-Length", "0")
self.end_headers()
elif self.path[1:].rstrip() == "anchor.html":
self.send_response(200, "OK")
self.end_headers()
else:
self.send_response(404, "Not Found")
self.send_header("Content-Length", "0")
self.end_headers()

def do_GET(self):
self.do_HEAD()
if self.path[1:].rstrip() == "":
self.wfile.write(b"ok\n\n")
content = b"ok\n\n"
elif self.path[1:].rstrip() == "anchor.html":
doc = '<!DOCTYPE html><html><body><a id="found"></a></body></html>'
self.wfile.write(doc.encode('utf-8'))
content = doc.encode("utf-8")
else:
content = b""

if content:
self.send_response(200, "OK")
self.send_header("Content-Length", str(len(content)))
self.end_headers()
self.wfile.write(content)
else:
self.send_response(404, "Not Found")
self.send_header("Content-Length", "0")
self.end_headers()


@pytest.mark.sphinx('linkcheck', testroot='linkcheck', freshenv=True)
Expand Down Expand Up @@ -181,6 +196,8 @@ def test_anchors_ignored(app):
@pytest.mark.sphinx('linkcheck', testroot='linkcheck-localserver-anchor', freshenv=True)
def test_raises_for_invalid_status(app):
class InternalServerErrorHandler(http.server.BaseHTTPRequestHandler):
protocol_version = "HTTP/1.1"

def do_GET(self):
self.send_error(500, "Internal Server Error")

Expand All @@ -196,13 +213,16 @@ def do_GET(self):

def capture_headers_handler(records):
class HeadersDumperHandler(http.server.BaseHTTPRequestHandler):
protocol_version = "HTTP/1.1"

def do_HEAD(self):
self.do_GET()

def do_GET(self):
records.append(self.headers.as_string())
self.send_response(200, "OK")
self.send_header("Content-Length", "0")
self.end_headers()
records.append(self.headers.as_string())
return HeadersDumperHandler


Expand Down Expand Up @@ -291,11 +311,14 @@ def test_linkcheck_request_headers_default(app):

def make_redirect_handler(*, support_head):
class RedirectOnceHandler(http.server.BaseHTTPRequestHandler):
protocol_version = "HTTP/1.1"

def do_HEAD(self):
if support_head:
self.do_GET()
else:
self.send_response(405, "Method Not Allowed")
self.send_header("Content-Length", "0")
self.end_headers()

def do_GET(self):
Expand All @@ -304,6 +327,7 @@ def do_GET(self):
else:
self.send_response(302, "Found")
self.send_header("Location", "http://localhost:7777/?redirected=1")
self.send_header("Content-Length", "0")
self.end_headers()

def log_date_time_string(self):
Expand Down Expand Up @@ -381,13 +405,19 @@ def test_linkcheck_allowed_redirects(app, warning):


class OKHandler(http.server.BaseHTTPRequestHandler):
protocol_version = "HTTP/1.1"

def do_HEAD(self):
self.send_response(200, "OK")
self.send_header("Content-Length", "0")
self.end_headers()

def do_GET(self):
self.do_HEAD()
self.wfile.write(b"ok\n")
content = b"ok\n"
self.send_response(200, "OK")
self.send_header("Content-Length", str(len(content)))
self.end_headers()
self.wfile.write(content)


@pytest.mark.sphinx('linkcheck', testroot='linkcheck-localserver-https', freshenv=True)
Expand Down Expand Up @@ -492,15 +522,21 @@ def test_connect_to_selfsigned_nonexistent_cert_file(app):


class InfiniteRedirectOnHeadHandler(http.server.BaseHTTPRequestHandler):
protocol_version = "HTTP/1.1"

def do_HEAD(self):
self.send_response(302, "Found")
self.send_header("Location", "http://localhost:7777/")
self.send_header("Content-Length", "0")
self.end_headers()

def do_GET(self):
content = b"ok\n"
self.send_response(200, "OK")
self.send_header("Content-Length", str(len(content)))
self.end_headers()
self.wfile.write(b"ok\n")
self.wfile.write(content)
self.close_connection = True # we don't expect the client to read this response body


@pytest.mark.sphinx('linkcheck', testroot='linkcheck-localserver', freshenv=True)
Expand All @@ -526,11 +562,14 @@ def test_TooManyRedirects_on_HEAD(app, monkeypatch):

def make_retry_after_handler(responses):
class RetryAfterHandler(http.server.BaseHTTPRequestHandler):
protocol_version = "HTTP/1.1"

def do_HEAD(self):
status, retry_after = responses.pop(0)
self.send_response(status)
if retry_after:
self.send_header('Retry-After', retry_after)
self.send_header("Content-Length", "0")
self.end_headers()

def log_date_time_string(self):
Expand Down Expand Up @@ -677,11 +716,14 @@ def test_limit_rate_bails_out_after_waiting_max_time(app):


class ConnectionResetHandler(http.server.BaseHTTPRequestHandler):
protocol_version = "HTTP/1.1"

def do_HEAD(self):
self.connection.close()
self.close_connection = True

def do_GET(self):
self.send_response(200, "OK")
self.send_header("Content-Length", "0")
self.end_headers()


Expand Down
2 changes: 1 addition & 1 deletion tests/utils.py
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Open in desktop
Expand Up @@ -19,7 +19,7 @@
class HttpServerThread(threading.Thread):
def __init__(self, handler, *args, **kwargs):
super().__init__(*args, **kwargs)
self.server = http.server.HTTPServer(("localhost", 7777), handler)
self.server = http.server.ThreadingHTTPServer(("localhost", 7777), handler)
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Note for reviewers: without threaded webservers, HTTP1.1's ability to leave connections open causes difficulty for the Sphinx unit tests in combination with urllib3 commit urllib3/urllib3@a80c248 - a connection-pool thread safety fix, included from v2.0.0 of that library onwards.


def run(self):
self.server.serve_forever(poll_interval=0.001)
Expand Down