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test: Avoid freeport() collisions in io tests #3509

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May 12, 2024
Merged

test: Avoid freeport() collisions in io tests #3509

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15 changes: 9 additions & 6 deletions test/io/postgrest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -102,7 +102,7 @@ def run(
env["PGRST_SERVER_UNIX_SOCKET"] = str(socketfile)
baseurl = "http+unix://" + urllib.parse.quote_plus(str(socketfile))

adminport = freeport()
adminport = freeport(port)
env["PGRST_ADMIN_SERVER_PORT"] = str(adminport)
adminurl = f"http://localhost:{adminport}"

Expand Down Expand Up @@ -169,12 +169,15 @@ def metapostgrest():
yield postgrest


def freeport():
def freeport(used_port=None):
"Find a free port on localhost."
with contextlib.closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
s.bind(("", 0))
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
return s.getsockname()[1]
while True:
with contextlib.closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
s.bind(("", 0))
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
port = s.getsockname()[1]
if port != used_port:
return port


def wait_until_exit(postgrest):
Expand Down
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