Wait for the watch process in test case
Because the _watch_process and the failing_process are asynchronous,
there might be a chance that failing_process exit and _watch_process
is not executed.
If the _watch_process is blocked, the method that will be asserted
will not be called. This will fail the UT, but it is intermittent.
Change-Id: Ic951c1b91c5a10462f548544a5e8d482c52ad665
Closes-Bug: #1519160
Related-Bug: #1543040
Related Bug: #1506021
(cherry picked from commit dcd0498c17
)
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@ -291,4 +291,7 @@ class TestFailingAsyncProcess(base.BaseTestCase):
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as handle_error_mock:
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self.process.start()
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self.process._process.wait()
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# Wait for the monitor process to complete
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for thread in self.process._watchers:
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thread.wait()
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self.assertEqual(1, handle_error_mock.call_count)
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