From 8d504fa812da93df3a26c4b4b761a74685d40f25 Mon Sep 17 00:00:00 2001 From: drebs Date: Tue, 24 Dec 2013 08:17:37 -0200 Subject: Avoid concurrent sync attempts from the same replica in the client (#4451). --- .../tests/test_couch_operations_atomicity.py | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) (limited to 'common/src/leap/soledad') diff --git a/common/src/leap/soledad/common/tests/test_couch_operations_atomicity.py b/common/src/leap/soledad/common/tests/test_couch_operations_atomicity.py index a0c473b1..8b001859 100644 --- a/common/src/leap/soledad/common/tests/test_couch_operations_atomicity.py +++ b/common/src/leap/soledad/common/tests/test_couch_operations_atomicity.py @@ -337,3 +337,46 @@ class CouchAtomicityTestCase(CouchDBTestCase, TestCaseWithServer): self.assertEqual( 1, len(filter(lambda t: t[0] == doc_id, transaction_log))) + + def test_concurrent_syncs_do_not_fail(self): + """ + Assert that concurrent attempts to sync end up being executed + sequentially and do not fail. + """ + threads = [] + docs = [] + pool = threading.BoundedSemaphore(value=1) + self.startServer() + sol = self._soledad_instance( + auth_token='auth-token', + server_url=self.getURL()) + + def _run_method(self): + # create a lot of documents + doc = self._params['sol'].create_doc({}) + # do the sync! + sol.sync() + pool.acquire() + docs.append(doc.doc_id) + pool.release() + + # launch threads to create documents in parallel + for i in range(0, REPEAT_TIMES): + thread = self._WorkerThread( + {'sol': sol, 'syncs': i}, + _run_method) + thread.start() + threads.append(thread) + + # wait for threads to finish + for thread in threads: + thread.join() + + transaction_log = self.db._get_transaction_log() + self.assertEqual(REPEAT_TIMES, len(transaction_log)) + # assert all documents are in the remote log + self.assertEqual(REPEAT_TIMES, len(docs)) + for doc_id in docs: + self.assertEqual( + 1, + len(filter(lambda t: t[0] == doc_id, transaction_log))) -- cgit v1.2.3