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