predixy/test/msetnx_atomicity.py
2026-01-15 11:07:36 +01:00

35 lines
939 B
Python

#!/usr/bin/env python3
#
# Verify MSETNX does not partially apply changes when it returns 0
#
from test_util import parse_args, make_client, exit_with_result
def run_test(host, port):
c = make_client(host, port)
c.delete("msetnx_k1", "msetnx_k2")
c.set("msetnx_k1", "existing")
try:
r = c.execute_command("MSETNX", "msetnx_k1", "v1", "msetnx_k2", "v2")
except Exception:
# If proxy rejects cross-shard MSETNX, this is acceptable.
return True
if r not in (0, b"0", False):
print("FAIL: expected MSETNX result 0, got:", r)
return False
if c.get("msetnx_k2") is not None:
print("FAIL: MSETNX partially applied when it returned 0")
return False
return True
if __name__ == "__main__":
args = parse_args("MSETNX atomicity test")
success = run_test(args.host, args.port)
exit_with_result(success, "MSETNX atomicity", "MSETNX atomicity")