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TST: Don't hard code server port in tests #1690

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merged 1 commit into from
Oct 1, 2024

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QuLogic
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@QuLogic QuLogic commented Sep 23, 2024

This allows running tests in parallel without running into "Port already in use" errors.

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@martindurant martindurant left a comment

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At first glance all looks well here, but I have not yet reviewed in detail.

I have one main comment for you to consider before moving on.

if "give_path" in self.headers:
return self._respond(200, data=json.dumps({"path": self.path}).encode())
if "redirect" in self.headers and file_path != "/index/realfile":
new_url = f"http://127.0.0.1:{port}/index/realfile"
new_url = f"http://127.0.0.1:{self.server.server_port}/index/realfile"
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self.server.realfile?

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self.server is the HTTPServer, not the server fixture, and doesn't have a realfile attribute. But this could probably use _make_realfile instead.

httpd = HTTPServer(server_address, HTTPTestHandler)
th = threading.Thread(target=httpd.serve_forever)
th.daemon = True
th.start()
try:
yield f"http://127.0.0.1:{port}"
yield f"http://127.0.0.1:{httpd.server_port}"
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Since we are choosing to become port agnostic, this may be a good time to also become server address agnostic. httpd.server_name should be populated here, and might be other than the standard loopback, e.g., for systems that are IPv6 only.

fsspec/tests/conftest.py Show resolved Hide resolved
@QuLogic QuLogic force-pushed the no-hardcode-ports branch 3 times, most recently from 768c381 to 41053a2 Compare September 30, 2024 21:36
@martindurant
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Test failures with a bunch of "Cannot connect to host 0.0.0.0:50610" look real - but only on windows.

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QuLogic commented Oct 1, 2024

Unfortunately, it looks like HTTPServer.server_address doesn't expand to a concrete address, and I guess unlike Linux, Windows doesn't allow connecting to 0.0.0.0. But maybe I should have used server_name?

This allows running tests in parallel without running into "Port already
in use" errors.
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Well done :)

@martindurant martindurant merged commit 4b4195d into fsspec:master Oct 1, 2024
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@QuLogic QuLogic deleted the no-hardcode-ports branch October 1, 2024 21:49
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2 participants