mongo/buildscripts/resmokelib/testing/hooks/cleanup.py

103 lines
3.6 KiB
Python

"""Test hook for cleaning up data files created by the fixture."""
import os
import pymongo
from buildscripts.resmokelib.testing.hooks import interface
class CleanEveryN(interface.Hook):
"""Restart the fixture after it has ran 'n' tests.
On mongod-related fixtures, this will clear the dbpath.
"""
IS_BACKGROUND = False
DEFAULT_N = 20
def __init__(
self,
hook_logger,
fixture,
n=DEFAULT_N,
shell_options=None,
skip_database_deletion=False,
skip_fixture_restart=False,
):
"""Initialize CleanEveryN."""
description = "CleanEveryN (restarts the fixture after running `n` tests)"
interface.Hook.__init__(self, hook_logger, fixture, description)
# Try to isolate what test triggers the leak by restarting the fixture each time.
if "detect_leaks=1" in os.getenv("ASAN_OPTIONS", ""):
self.logger.info(
"ASAN_OPTIONS environment variable set to detect leaks, so restarting"
" the fixture after each test instead of after every %d.",
n,
)
n = 1
self.n = n
self.tests_run = 0
self.shell_options = shell_options
self.skip_database_deletion = skip_database_deletion
self.skip_fixture_restart = skip_fixture_restart
def after_test(self, test, test_report):
"""After test cleanup."""
self.tests_run += 1
if self.tests_run < self.n:
if self.skip_database_deletion:
return
for cluster in self.fixture.get_independent_clusters():
if self.shell_options and "authenticationMechanism" in self.shell_options:
client = pymongo.MongoClient(
cluster.get_driver_connection_url(),
username=self.shell_options["username"],
password=self.shell_options["password"],
authSource=self.shell_options["authenticationDatabase"],
authMechanism=self.shell_options["authenticationMechanism"],
)
else:
client = pymongo.MongoClient(cluster.get_driver_connection_url())
for db_name in client.list_database_names():
if db_name in ["admin", "config", "local", "$external"]:
continue
self.logger.info(
f"Dropping database to ensure it isn't validated again: {db_name}"
)
client.drop_database(db_name)
self.logger.info(f"Successfully dropped database: {db_name}")
return
if self.skip_fixture_restart:
return
hook_test_case = CleanEveryNTestCase.create_after_test(test.logger, test, self)
hook_test_case.configure(self.fixture)
hook_test_case.run_dynamic_test(test_report)
class CleanEveryNTestCase(interface.DynamicTestCase):
"""CleanEveryNTestCase class."""
def run_test(self):
"""Execute test hook."""
try:
self.logger.info(
"%d tests have been run against the fixture, stopping it...", self._hook.tests_run
)
self._hook.tests_run = 0
self.fixture.teardown()
self.logger.info("Starting the fixture back up again...")
self.fixture.setup()
self.fixture.await_ready()
except:
self.logger.exception("Encountered an error while restarting the fixture.")
raise