59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
"""
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Testing hook for cleaning up data files created by the fixture.
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"""
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from __future__ import absolute_import
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import os
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from . import interface
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from ..testcases import interface as testcase
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from ... import errors
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class CleanEveryN(interface.CustomBehavior):
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"""
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Restarts 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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DEFAULT_N = 20
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def __init__(self, hook_logger, fixture, n=DEFAULT_N):
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description = "CleanEveryN (restarts the fixture after running `n` tests)"
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interface.CustomBehavior.__init__(self, hook_logger, fixture, description)
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self.hook_test_case = testcase.TestCase(hook_logger, "Hook", "CleanEveryN")
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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("ASAN_OPTIONS environment variable set to detect leaks, so restarting"
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" the fixture after each test instead of after every %d.", n)
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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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def after_test(self, test, test_report):
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self.tests_run += 1
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if self.tests_run < self.n:
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return
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self.hook_test_case.test_name = test.short_name() + ":" + self.logger_name
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interface.CustomBehavior.start_dynamic_test(self.hook_test_case, test_report)
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try:
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self.logger.info("%d tests have been run against the fixture, stopping it...",
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self.tests_run)
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self.tests_run = 0
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if not self.fixture.teardown():
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raise errors.ServerFailure("%s did not exit cleanly" % (self.fixture))
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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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self.hook_test_case.return_code = 0
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test_report.addSuccess(self.hook_test_case)
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finally:
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test_report.stopTest(self.hook_test_case)
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