frostfs-testcases/robot/resources/lib/python/cli_keywords.py

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#!/usr/bin/python3.8
import pexpect
from robot.api.deco import keyword
ROBOT_AUTO_KEYWORDS = False
@keyword('Run Process And Enter Empty Password')
def run_proccess_and_interact(cmd: str) -> str:
p = pexpect.spawn(cmd)
p.expect("[pP]assword")
# enter empty password
p.sendline('\r')
p.wait()
# throw a string with password prompt
first = p.readline()
# take all output
child_output = p.readline()
p.close()
if p.exitstatus != 0:
raise Exception(f"{first}\n{child_output}")
return child_output