Files
apple-foundationdb/tests/TestRunner/test_util.py

28 lines
833 B
Python

import random
import string
import time
alphanum_letters = string.ascii_letters + string.digits
def random_alphanum_string(length):
return "".join(random.choice(alphanum_letters) for _ in range(length))
# attach a post-run trace checker to cluster that runs for events between the time of scope entry and exit
class ScopedTraceChecker:
def __init__(self, cluster, checker_func, filename_substr: str = ""):
self.cluster = cluster
self.checker_func = checker_func
self.filename_substr = filename_substr
self.begin = None
def __enter__(self):
self.begin = time.time()
return self
def __exit__(self, exc_type, exc_value, traceback):
self.cluster.add_trace_check_from_to(
self.checker_func, self.begin, time.time(), self.filename_substr
)