diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/src/leap/soledad/common/tests/test_couch.py | 1011 | ||||
| -rw-r--r-- | common/src/leap/soledad/common/tests/test_sqlcipher_sync.py | 4 | ||||
| -rw-r--r-- | common/src/leap/soledad/common/tests/util.py | 25 |
3 files changed, 1020 insertions, 20 deletions
diff --git a/common/src/leap/soledad/common/tests/test_couch.py b/common/src/leap/soledad/common/tests/test_couch.py index 48f0f51b..021888c1 100644 --- a/common/src/leap/soledad/common/tests/test_couch.py +++ b/common/src/leap/soledad/common/tests/test_couch.py @@ -21,20 +21,29 @@ Test ObjectStore and Couch backend bits. """ -import simplejson as json +import json from urlparse import urljoin -from u1db import errors as u1db_errors from couchdb.client import Server from testscenarios import TestWithScenarios -from leap.soledad.common import couch, errors +from u1db import errors as u1db_errors +from u1db import SyncTarget +from u1db import vectorclock + +from leap.soledad.common import couch +from leap.soledad.common import errors from leap.soledad.common.tests import u1db_tests as tests -from leap.soledad.common.tests.u1db_tests import test_backends -from leap.soledad.common.tests.u1db_tests import test_sync from leap.soledad.common.tests.util import CouchDBTestCase +from leap.soledad.common.tests.util import make_local_db_and_target +from leap.soledad.common.tests.util import sync_via_synchronizer + +from leap.soledad.common.tests.u1db_tests import test_backends +from leap.soledad.common.tests.u1db_tests import DatabaseBaseTests +from leap.soledad.common.tests.u1db_tests import TestCaseWithServer + from u1db.backends.inmemory import InMemoryIndex @@ -218,7 +227,7 @@ class CouchWithConflictsTests( # ----------------------------------------------------------------------------- target_scenarios = [ - ('local', {'create_db_and_target': test_sync._make_local_db_and_target}), ] + ('local', {'create_db_and_target': make_local_db_and_target}), ] simple_doc = tests.simple_doc @@ -226,10 +235,56 @@ nested_doc = tests.nested_doc class CouchDatabaseSyncTargetTests( - TestWithScenarios, test_sync.DatabaseSyncTargetTests, CouchDBTestCase): + TestWithScenarios, + DatabaseBaseTests, + TestCaseWithServer, + CouchDBTestCase): + + # TODO: implement _set_trace_hook(_shallow) in CouchSyncTarget so + # skipped tests can be succesfully executed. + + # whitebox true means self.db is the actual local db object + # against which the sync is performed + whitebox = True scenarios = (tests.multiply_scenarios(COUCH_SCENARIOS, target_scenarios)) + def set_trace_hook(self, callback, shallow=False): + setter = (self.st._set_trace_hook if not shallow else + self.st._set_trace_hook_shallow) + try: + setter(callback) + except NotImplementedError: + self.skipTest("%s does not implement _set_trace_hook" + % (self.st.__class__.__name__,)) + + def setUp(self): + CouchDBTestCase.setUp(self) + # from DatabaseBaseTests.setUp + self.db = self.create_database('test') + # from TestCaseWithServer.setUp + self.server = self.server_thread = self.port = None + # other stuff + self.db, self.st = self.create_db_and_target(self) + self.other_changes = [] + + def tearDown(self): + CouchDBTestCase.tearDown(self) + # from TestCaseWithServer.tearDown + if self.server is not None: + self.server.shutdown() + self.server_thread.join() + self.server.server_close() + if self.port: + self.port.stopListening() + # from DatabaseBaseTests.tearDown + if hasattr(self, 'db') and self.db is not None: + self.db.close() + + def receive_doc(self, doc, gen, trans_id): + self.other_changes.append( + (doc.doc_id, doc.rev, doc.get_json(), gen, trans_id)) + def test_sync_exchange_returns_many_new_docs(self): # This test was replicated to allow dictionaries to be compared after # JSON expansion (because one dictionary may have many different @@ -252,6 +307,268 @@ class CouchDatabaseSyncTargetTests( {'last_gen': 2, 'docs': [(doc.doc_id, doc.rev), (doc2.doc_id, doc2.rev)]}) + def test_get_sync_target(self): + self.assertIsNot(None, self.st) + + def test_get_sync_info(self): + self.assertEqual( + ('test', 0, '', 0, ''), self.st.get_sync_info('other')) + + def test_create_doc_updates_sync_info(self): + self.assertEqual( + ('test', 0, '', 0, ''), self.st.get_sync_info('other')) + self.db.create_doc_from_json(simple_doc) + self.assertEqual(1, self.st.get_sync_info('other')[1]) + + def test_record_sync_info(self): + self.st.record_sync_info('replica', 10, 'T-transid') + self.assertEqual( + ('test', 0, '', 10, 'T-transid'), self.st.get_sync_info('replica')) + + def test_sync_exchange(self): + docs_by_gen = [ + (self.make_document('doc-id', 'replica:1', simple_doc), 10, + 'T-sid')] + new_gen, trans_id = self.st.sync_exchange( + docs_by_gen, 'replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertGetDoc(self.db, 'doc-id', 'replica:1', simple_doc, False) + self.assertTransactionLog(['doc-id'], self.db) + last_trans_id = self.getLastTransId(self.db) + self.assertEqual(([], 1, last_trans_id), + (self.other_changes, new_gen, last_trans_id)) + self.assertEqual(10, self.st.get_sync_info('replica')[3]) + + def test_sync_exchange_deleted(self): + doc = self.db.create_doc_from_json('{}') + edit_rev = 'replica:1|' + doc.rev + docs_by_gen = [ + (self.make_document(doc.doc_id, edit_rev, None), 10, 'T-sid')] + new_gen, trans_id = self.st.sync_exchange( + docs_by_gen, 'replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertGetDocIncludeDeleted( + self.db, doc.doc_id, edit_rev, None, False) + self.assertTransactionLog([doc.doc_id, doc.doc_id], self.db) + last_trans_id = self.getLastTransId(self.db) + self.assertEqual(([], 2, last_trans_id), + (self.other_changes, new_gen, trans_id)) + self.assertEqual(10, self.st.get_sync_info('replica')[3]) + + def test_sync_exchange_push_many(self): + docs_by_gen = [ + (self.make_document('doc-id', 'replica:1', simple_doc), 10, 'T-1'), + (self.make_document('doc-id2', 'replica:1', nested_doc), 11, + 'T-2')] + new_gen, trans_id = self.st.sync_exchange( + docs_by_gen, 'replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertGetDoc(self.db, 'doc-id', 'replica:1', simple_doc, False) + self.assertGetDoc(self.db, 'doc-id2', 'replica:1', nested_doc, False) + self.assertTransactionLog(['doc-id', 'doc-id2'], self.db) + last_trans_id = self.getLastTransId(self.db) + self.assertEqual(([], 2, last_trans_id), + (self.other_changes, new_gen, trans_id)) + self.assertEqual(11, self.st.get_sync_info('replica')[3]) + + def test_sync_exchange_refuses_conflicts(self): + doc = self.db.create_doc_from_json(simple_doc) + self.assertTransactionLog([doc.doc_id], self.db) + new_doc = '{"key": "altval"}' + docs_by_gen = [ + (self.make_document(doc.doc_id, 'replica:1', new_doc), 10, + 'T-sid')] + new_gen, _ = self.st.sync_exchange( + docs_by_gen, 'replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertTransactionLog([doc.doc_id], self.db) + self.assertEqual( + (doc.doc_id, doc.rev, simple_doc, 1), self.other_changes[0][:-1]) + self.assertEqual(1, new_gen) + if self.whitebox: + self.assertEqual(self.db._last_exchange_log['return'], + {'last_gen': 1, 'docs': [(doc.doc_id, doc.rev)]}) + + def test_sync_exchange_ignores_convergence(self): + doc = self.db.create_doc_from_json(simple_doc) + self.assertTransactionLog([doc.doc_id], self.db) + gen, txid = self.db._get_generation_info() + docs_by_gen = [ + (self.make_document(doc.doc_id, doc.rev, simple_doc), 10, 'T-sid')] + new_gen, _ = self.st.sync_exchange( + docs_by_gen, 'replica', last_known_generation=gen, + last_known_trans_id=txid, return_doc_cb=self.receive_doc) + self.assertTransactionLog([doc.doc_id], self.db) + self.assertEqual(([], 1), (self.other_changes, new_gen)) + + def test_sync_exchange_returns_new_docs(self): + doc = self.db.create_doc_from_json(simple_doc) + self.assertTransactionLog([doc.doc_id], self.db) + new_gen, _ = self.st.sync_exchange( + [], 'other-replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertTransactionLog([doc.doc_id], self.db) + self.assertEqual( + (doc.doc_id, doc.rev, simple_doc, 1), self.other_changes[0][:-1]) + self.assertEqual(1, new_gen) + if self.whitebox: + self.assertEqual(self.db._last_exchange_log['return'], + {'last_gen': 1, 'docs': [(doc.doc_id, doc.rev)]}) + + def test_sync_exchange_returns_deleted_docs(self): + doc = self.db.create_doc_from_json(simple_doc) + self.db.delete_doc(doc) + self.assertTransactionLog([doc.doc_id, doc.doc_id], self.db) + new_gen, _ = self.st.sync_exchange( + [], 'other-replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertTransactionLog([doc.doc_id, doc.doc_id], self.db) + self.assertEqual( + (doc.doc_id, doc.rev, None, 2), self.other_changes[0][:-1]) + self.assertEqual(2, new_gen) + if self.whitebox: + self.assertEqual(self.db._last_exchange_log['return'], + {'last_gen': 2, 'docs': [(doc.doc_id, doc.rev)]}) + + def test_sync_exchange_getting_newer_docs(self): + doc = self.db.create_doc_from_json(simple_doc) + self.assertTransactionLog([doc.doc_id], self.db) + new_doc = '{"key": "altval"}' + docs_by_gen = [ + (self.make_document(doc.doc_id, 'test:1|z:2', new_doc), 10, + 'T-sid')] + new_gen, _ = self.st.sync_exchange( + docs_by_gen, 'other-replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertTransactionLog([doc.doc_id, doc.doc_id], self.db) + self.assertEqual(([], 2), (self.other_changes, new_gen)) + + def test_sync_exchange_with_concurrent_updates_of_synced_doc(self): + expected = [] + + def before_whatschanged_cb(state): + if state != 'before whats_changed': + return + cont = '{"key": "cuncurrent"}' + conc_rev = self.db.put_doc( + self.make_document(doc.doc_id, 'test:1|z:2', cont)) + expected.append((doc.doc_id, conc_rev, cont, 3)) + + self.set_trace_hook(before_whatschanged_cb) + doc = self.db.create_doc_from_json(simple_doc) + self.assertTransactionLog([doc.doc_id], self.db) + new_doc = '{"key": "altval"}' + docs_by_gen = [ + (self.make_document(doc.doc_id, 'test:1|z:2', new_doc), 10, + 'T-sid')] + new_gen, _ = self.st.sync_exchange( + docs_by_gen, 'other-replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertEqual(expected, [c[:-1] for c in self.other_changes]) + self.assertEqual(3, new_gen) + + def test_sync_exchange_with_concurrent_updates(self): + + def after_whatschanged_cb(state): + if state != 'after whats_changed': + return + self.db.create_doc_from_json('{"new": "doc"}') + + self.set_trace_hook(after_whatschanged_cb) + doc = self.db.create_doc_from_json(simple_doc) + self.assertTransactionLog([doc.doc_id], self.db) + new_doc = '{"key": "altval"}' + docs_by_gen = [ + (self.make_document(doc.doc_id, 'test:1|z:2', new_doc), 10, + 'T-sid')] + new_gen, _ = self.st.sync_exchange( + docs_by_gen, 'other-replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertEqual(([], 2), (self.other_changes, new_gen)) + + def test_sync_exchange_converged_handling(self): + doc = self.db.create_doc_from_json(simple_doc) + docs_by_gen = [ + (self.make_document('new', 'other:1', '{}'), 4, 'T-foo'), + (self.make_document(doc.doc_id, doc.rev, doc.get_json()), 5, + 'T-bar')] + new_gen, _ = self.st.sync_exchange( + docs_by_gen, 'other-replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertEqual(([], 2), (self.other_changes, new_gen)) + + def test_sync_exchange_detect_incomplete_exchange(self): + def before_get_docs_explode(state): + if state != 'before get_docs': + return + raise u1db_errors.U1DBError("fail") + self.set_trace_hook(before_get_docs_explode) + # suppress traceback printing in the wsgiref server + # self.patch(simple_server.ServerHandler, + # 'log_exception', lambda h, exc_info: None) + doc = self.db.create_doc_from_json(simple_doc) + self.assertTransactionLog([doc.doc_id], self.db) + self.assertRaises( + (u1db_errors.U1DBError, u1db_errors.BrokenSyncStream), + self.st.sync_exchange, [], 'other-replica', + last_known_generation=0, last_known_trans_id=None, + return_doc_cb=self.receive_doc) + + def test_sync_exchange_doc_ids(self): + sync_exchange_doc_ids = getattr(self.st, 'sync_exchange_doc_ids', None) + if sync_exchange_doc_ids is None: + self.skipTest("sync_exchange_doc_ids not implemented") + db2 = self.create_database('test2') + doc = db2.create_doc_from_json(simple_doc) + new_gen, trans_id = sync_exchange_doc_ids( + db2, [(doc.doc_id, 10, 'T-sid')], 0, None, + return_doc_cb=self.receive_doc) + self.assertGetDoc(self.db, doc.doc_id, doc.rev, simple_doc, False) + self.assertTransactionLog([doc.doc_id], self.db) + last_trans_id = self.getLastTransId(self.db) + self.assertEqual(([], 1, last_trans_id), + (self.other_changes, new_gen, trans_id)) + self.assertEqual(10, self.st.get_sync_info(db2._replica_uid)[3]) + + def test__set_trace_hook(self): + called = [] + + def cb(state): + called.append(state) + + self.set_trace_hook(cb) + self.st.sync_exchange([], 'replica', 0, None, self.receive_doc) + self.st.record_sync_info('replica', 0, 'T-sid') + self.assertEqual(['before whats_changed', + 'after whats_changed', + 'before get_docs', + 'record_sync_info', + ], + called) + + def test__set_trace_hook_shallow(self): + if (self.st._set_trace_hook_shallow == self.st._set_trace_hook + or self.st._set_trace_hook_shallow.im_func == + SyncTarget._set_trace_hook_shallow.im_func): + # shallow same as full + expected = ['before whats_changed', + 'after whats_changed', + 'before get_docs', + 'record_sync_info', + ] + else: + expected = ['sync_exchange', 'record_sync_info'] + + called = [] + + def cb(state): + called.append(state) + + self.set_trace_hook(cb, shallow=True) + self.st.sync_exchange([], 'replica', 0, None, self.receive_doc) + self.st.record_sync_info('replica', 0, 'T-sid') + self.assertEqual(expected, called) + # The following tests need that the database have an index, so we fake one. @@ -339,16 +656,56 @@ if getattr(couch.CouchDatabase, '_old_class', None) is None: sync_scenarios = [] for name, scenario in COUCH_SCENARIOS: scenario = dict(scenario) - scenario['do_sync'] = test_sync.sync_via_synchronizer + scenario['do_sync'] = sync_via_synchronizer sync_scenarios.append((name, scenario)) scenario = dict(scenario) class CouchDatabaseSyncTests( - TestWithScenarios, test_sync.DatabaseSyncTests, CouchDBTestCase): + TestWithScenarios, + DatabaseBaseTests, + CouchDBTestCase): scenarios = sync_scenarios + def create_database(self, replica_uid, sync_role=None): + if replica_uid == 'test' and sync_role is None: + # created up the chain by base class but unused + return None + db = self.create_database_for_role(replica_uid, sync_role) + if sync_role: + self._use_tracking[db] = (replica_uid, sync_role) + return db + + def create_database_for_role(self, replica_uid, sync_role): + # hook point for reuse + return DatabaseBaseTests.create_database(self, replica_uid) + + def copy_database(self, db, sync_role=None): + # DO NOT COPY OR REUSE THIS CODE OUTSIDE TESTS: COPYING U1DB DATABASES + # IS THE WRONG THING TO DO, THE ONLY REASON WE DO SO HERE IS TO TEST + # THAT WE CORRECTLY DETECT IT HAPPENING SO THAT WE CAN RAISE ERRORS + # RATHER THAN CORRUPT USER DATA. USE SYNC INSTEAD, OR WE WILL SEND + # NINJA TO YOUR HOUSE. + db_copy = self.copy_database_for_test(self, db) + name, orig_sync_role = self._use_tracking[db] + self._use_tracking[db_copy] = (name + '(copy)', sync_role + or orig_sync_role) + return db_copy + + def sync(self, db_from, db_to, trace_hook=None, + trace_hook_shallow=None): + from_name, from_sync_role = self._use_tracking[db_from] + to_name, to_sync_role = self._use_tracking[db_to] + if from_sync_role not in ('source', 'both'): + raise Exception("%s marked for %s use but used as source" % + (from_name, from_sync_role)) + if to_sync_role not in ('target', 'both'): + raise Exception("%s marked for %s use but used as target" % + (to_name, to_sync_role)) + return self.do_sync(self, db_from, db_to, trace_hook, + trace_hook_shallow) + def setUp(self): self.db = None self.db1 = None @@ -356,7 +713,8 @@ class CouchDatabaseSyncTests( self.db3 = None self.db1_copy = None self.db2_copy = None - test_sync.DatabaseSyncTests.setUp(self) + self._use_tracking = {} + DatabaseBaseTests.setUp(self) def tearDown(self): for db in [ @@ -375,7 +733,638 @@ class CouchDatabaseSyncTests( db.delete_database() # cleanup connections to avoid leaking of file descriptors db.close() - test_sync.DatabaseSyncTests.tearDown(self) + DatabaseBaseTests.tearDown(self) + + def assertLastExchangeLog(self, db, expected): + log = getattr(db, '_last_exchange_log', None) + if log is None: + return + self.assertEqual(expected, log) + + def test_sync_tracks_db_generation_of_other(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + self.assertEqual(0, self.sync(self.db1, self.db2)) + self.assertEqual( + (0, ''), self.db1._get_replica_gen_and_trans_id('test2')) + self.assertEqual( + (0, ''), self.db2._get_replica_gen_and_trans_id('test1')) + self.assertLastExchangeLog( + self.db2, + {'receive': {'docs': [], 'last_known_gen': 0}, + 'return': {'docs': [], 'last_gen': 0}}) + + def test_sync_autoresolves(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + doc1 = self.db1.create_doc_from_json(simple_doc, doc_id='doc') + rev1 = doc1.rev + doc2 = self.db2.create_doc_from_json(simple_doc, doc_id='doc') + rev2 = doc2.rev + self.sync(self.db1, self.db2) + doc = self.db1.get_doc('doc') + self.assertFalse(doc.has_conflicts) + self.assertEqual(doc.rev, self.db2.get_doc('doc').rev) + v = vectorclock.VectorClockRev(doc.rev) + self.assertTrue(v.is_newer(vectorclock.VectorClockRev(rev1))) + self.assertTrue(v.is_newer(vectorclock.VectorClockRev(rev2))) + + def test_sync_autoresolves_moar(self): + # here we test that when a database that has a conflicted document is + # the source of a sync, and the target database has a revision of the + # conflicted document that is newer than the source database's, and + # that target's database's document's content is the same as the + # source's document's conflict's, the source's document's conflict gets + # autoresolved, and the source's document's revision bumped. + # + # idea is as follows: + # A B + # a1 - + # `-------> + # a1 a1 + # v v + # a2 a1b1 + # `-------> + # a1b1+a2 a1b1 + # v + # a1b1+a2 a1b2 (a1b2 has same content as a2) + # `-------> + # a3b2 a1b2 (autoresolved) + # `-------> + # a3b2 a3b2 + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + self.db1.create_doc_from_json(simple_doc, doc_id='doc') + self.sync(self.db1, self.db2) + for db, content in [(self.db1, '{}'), (self.db2, '{"hi": 42}')]: + doc = db.get_doc('doc') + doc.set_json(content) + db.put_doc(doc) + self.sync(self.db1, self.db2) + # db1 and db2 now both have a doc of {hi:42}, but db1 has a conflict + doc = self.db1.get_doc('doc') + rev1 = doc.rev + self.assertTrue(doc.has_conflicts) + # set db2 to have a doc of {} (same as db1 before the conflict) + doc = self.db2.get_doc('doc') + doc.set_json('{}') + self.db2.put_doc(doc) + rev2 = doc.rev + # sync it across + self.sync(self.db1, self.db2) + # tadaa! + doc = self.db1.get_doc('doc') + self.assertFalse(doc.has_conflicts) + vec1 = vectorclock.VectorClockRev(rev1) + vec2 = vectorclock.VectorClockRev(rev2) + vec3 = vectorclock.VectorClockRev(doc.rev) + self.assertTrue(vec3.is_newer(vec1)) + self.assertTrue(vec3.is_newer(vec2)) + # because the conflict is on the source, sync it another time + self.sync(self.db1, self.db2) + # make sure db2 now has the exact same thing + self.assertEqual(self.db1.get_doc('doc'), self.db2.get_doc('doc')) + + def test_sync_autoresolves_moar_backwards(self): + # here we test that when a database that has a conflicted document is + # the target of a sync, and the source database has a revision of the + # conflicted document that is newer than the target database's, and + # that source's database's document's content is the same as the + # target's document's conflict's, the target's document's conflict gets + # autoresolved, and the document's revision bumped. + # + # idea is as follows: + # A B + # a1 - + # `-------> + # a1 a1 + # v v + # a2 a1b1 + # `-------> + # a1b1+a2 a1b1 + # v + # a1b1+a2 a1b2 (a1b2 has same content as a2) + # <-------' + # a3b2 a3b2 (autoresolved and propagated) + self.db1 = self.create_database('test1', 'both') + self.db2 = self.create_database('test2', 'both') + self.db1.create_doc_from_json(simple_doc, doc_id='doc') + self.sync(self.db1, self.db2) + for db, content in [(self.db1, '{}'), (self.db2, '{"hi": 42}')]: + doc = db.get_doc('doc') + doc.set_json(content) + db.put_doc(doc) + self.sync(self.db1, self.db2) + # db1 and db2 now both have a doc of {hi:42}, but db1 has a conflict + doc = self.db1.get_doc('doc') + rev1 = doc.rev + self.assertTrue(doc.has_conflicts) + revc = self.db1.get_doc_conflicts('doc')[-1].rev + # set db2 to have a doc of {} (same as db1 before the conflict) + doc = self.db2.get_doc('doc') + doc.set_json('{}') + self.db2.put_doc(doc) + rev2 = doc.rev + # sync it across + self.sync(self.db2, self.db1) + # tadaa! + doc = self.db1.get_doc('doc') + self.assertFalse(doc.has_conflicts) + vec1 = vectorclock.VectorClockRev(rev1) + vec2 = vectorclock.VectorClockRev(rev2) + vec3 = vectorclock.VectorClockRev(doc.rev) + vecc = vectorclock.VectorClockRev(revc) + self.assertTrue(vec3.is_newer(vec1)) + self.assertTrue(vec3.is_newer(vec2)) + self.assertTrue(vec3.is_newer(vecc)) + # make sure db2 now has the exact same thing + self.assertEqual(self.db1.get_doc('doc'), self.db2.get_doc('doc')) + + def test_sync_autoresolves_moar_backwards_three(self): + # same as autoresolves_moar_backwards, but with three databases (note + # all the syncs go in the same direction -- this is a more natural + # scenario): + # + # A B C + # a1 - - + # `-------> + # a1 a1 - + # `-------> + # a1 a1 a1 + # v v + # a2 a1b1 a1 + # `-------------------> + # a2 a1b1 a2 + # `-------> + # a2+a1b1 a2 + # v + # a2 a2+a1b1 a2c1 (same as a1b1) + # `-------------------> + # a2c1 a2+a1b1 a2c1 + # `-------> + # a2b2c1 a2b2c1 a2c1 + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'both') + self.db3 = self.create_database('test3', 'target') + self.db1.create_doc_from_json(simple_doc, doc_id='doc') + self.sync(self.db1, self.db2) + self.sync(self.db2, self.db3) + for db, content in [(self.db2, '{"hi": 42}'), + (self.db1, '{}'), + ]: + doc = db.get_doc('doc') + doc.set_json(content) + db.put_doc(doc) + self.sync(self.db1, self.db3) + self.sync(self.db2, self.db3) + # db2 and db3 now both have a doc of {}, but db2 has a + # conflict + doc = self.db2.get_doc('doc') + self.assertTrue(doc.has_conflicts) + revc = self.db2.get_doc_conflicts('doc')[-1].rev + self.assertEqual('{}', doc.get_json()) + self.assertEqual(self.db3.get_doc('doc').get_json(), doc.get_json()) + self.assertEqual(self.db3.get_doc('doc').rev, doc.rev) + # set db3 to have a doc of {hi:42} (same as db2 before the conflict) + doc = self.db3.get_doc('doc') + doc.set_json('{"hi": 42}') + self.db3.put_doc(doc) + rev3 = doc.rev + # sync it across to db1 + self.sync(self.db1, self.db3) + # db1 now has hi:42, with a rev that is newer than db2's doc + doc = self.db1.get_doc('doc') + rev1 = doc.rev + self.assertFalse(doc.has_conflicts) + self.assertEqual('{"hi": 42}', doc.get_json()) + VCR = vectorclock.VectorClockRev + self.assertTrue(VCR(rev1).is_newer(VCR(self.db2.get_doc('doc').rev))) + # so sync it to db2 + self.sync(self.db1, self.db2) + # tadaa! + doc = self.db2.get_doc('doc') + self.assertFalse(doc.has_conflicts) + # db2's revision of the document is strictly newer than db1's before + # the sync, and db3's before that sync way back when + self.assertTrue(VCR(doc.rev).is_newer(VCR(rev1))) + self.assertTrue(VCR(doc.rev).is_newer(VCR(rev3))) + self.assertTrue(VCR(doc.rev).is_newer(VCR(revc))) + # make sure both dbs now have the exact same thing + self.assertEqual(self.db1.get_doc('doc'), self.db2.get_doc('doc')) + + def test_sync_puts_changes(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + doc = self.db1.create_doc_from_json(simple_doc) + self.assertEqual(1, self.sync(self.db1, self.db2)) + self.assertGetDoc(self.db2, doc.doc_id, doc.rev, simple_doc, False) + self.assertEqual(1, self.db1._get_replica_gen_and_trans_id('test2')[0]) + self.assertEqual(1, self.db2._get_replica_gen_and_trans_id('test1')[0]) + self.assertLastExchangeLog( + self.db2, + {'receive': {'docs': [(doc.doc_id, doc.rev)], + 'source_uid': 'test1', + 'source_gen': 1, 'last_known_gen': 0}, + 'return': {'docs': [], 'last_gen': 1}}) + + def test_sync_pulls_changes(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + doc = self.db2.create_doc_from_json(simple_doc) + self.db1.create_index('test-idx', 'key') + self.assertEqual(0, self.sync(self.db1, self.db2)) + self.assertGetDoc(self.db1, doc.doc_id, doc.rev, simple_doc, False) + self.assertEqual(1, self.db1._get_replica_gen_and_trans_id('test2')[0]) + self.assertEqual(1, self.db2._get_replica_gen_and_trans_id('test1')[0]) + self.assertLastExchangeLog( + self.db2, + {'receive': {'docs': [], 'last_known_gen': 0}, + 'return': {'docs': [(doc.doc_id, doc.rev)], + 'last_gen': 1}}) + self.assertEqual([doc], self.db1.get_from_index('test-idx', 'value')) + + def test_sync_pulling_doesnt_update_other_if_changed(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + doc = self.db2.create_doc_from_json(simple_doc) + # After the local side has sent its list of docs, before we start + # receiving the "targets" response, we update the local database with a + # new record. + # When we finish synchronizing, we can notice that something locally + # was updated, and we cannot tell c2 our new updated generation + + def before_get_docs(state): + if state != 'before get_docs': + return + self.db1.create_doc_from_json(simple_doc) + + self.assertEqual(0, self.sync(self.db1, self.db2, + trace_hook=before_get_docs)) + self.assertLastExchangeLog( + self.db2, + {'receive': {'docs': [], 'last_known_gen': 0}, + 'return': {'docs': [(doc.doc_id, doc.rev)], + 'last_gen': 1}}) + self.assertEqual(1, self.db1._get_replica_gen_and_trans_id('test2')[0]) + # c2 should not have gotten a '_record_sync_info' call, because the + # local database had been updated more than just by the messages + # returned from c2. + self.assertEqual( + (0, ''), self.db2._get_replica_gen_and_trans_id('test1')) + + def test_sync_doesnt_update_other_if_nothing_pulled(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + self.db1.create_doc_from_json(simple_doc) + + def no_record_sync_info(state): + if state != 'record_sync_info': + return + self.fail('SyncTarget.record_sync_info was called') + self.assertEqual(1, self.sync(self.db1, self.db2, + trace_hook_shallow=no_record_sync_info)) + self.assertEqual( + 1, + self.db2._get_replica_gen_and_trans_id(self.db1._replica_uid)[0]) + + def test_sync_ignores_convergence(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'both') + doc = self.db1.create_doc_from_json(simple_doc) + self.db3 = self.create_database('test3', 'target') + self.assertEqual(1, self.sync(self.db1, self.db3)) + self.assertEqual(0, self.sync(self.db2, self.db3)) + self.assertEqual(1, self.sync(self.db1, self.db2)) + self.assertLastExchangeLog( + self.db2, + {'receive': {'docs': [(doc.doc_id, doc.rev)], + 'source_uid': 'test1', + 'source_gen': 1, 'last_known_gen': 0}, + 'return': {'docs': [], 'last_gen': 1}}) + + def test_sync_ignores_superseded(self): + self.db1 = self.create_database('test1', 'both') + self.db2 = self.create_database('test2', 'both') + doc = self.db1.create_doc_from_json(simple_doc) + doc_rev1 = doc.rev + self.db3 = self.create_database('test3', 'target') + self.sync(self.db1, self.db3) + self.sync(self.db2, self.db3) + new_content = '{"key": "altval"}' + doc.set_json(new_content) + self.db1.put_doc(doc) + doc_rev2 = doc.rev + self.sync(self.db2, self.db1) + self.assertLastExchangeLog( + self.db1, + {'receive': {'docs': [(doc.doc_id, doc_rev1)], + 'source_uid': 'test2', + 'source_gen': 1, 'last_known_gen': 0}, + 'return': {'docs': [(doc.doc_id, doc_rev2)], + 'last_gen': 2}}) + self.assertGetDoc(self.db1, doc.doc_id, doc_rev2, new_content, False) + + def test_sync_sees_remote_conflicted(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + doc1 = self.db1.create_doc_from_json(simple_doc) + doc_id = doc1.doc_id + doc1_rev = doc1.rev + self.db1.create_index('test-idx', 'key') + new_doc = '{"key": "altval"}' + doc2 = self.db2.create_doc_from_json(new_doc, doc_id=doc_id) + doc2_rev = doc2.rev + self.assertTransactionLog([doc1.doc_id], self.db1) + self.sync(self.db1, self.db2) + self.assertLastExchangeLog( + self.db2, + {'receive': {'docs': [(doc_id, doc1_rev)], + 'source_uid': 'test1', + 'source_gen': 1, 'last_known_gen': 0}, + 'return': {'docs': [(doc_id, doc2_rev)], + 'last_gen': 1}}) + self.assertTransactionLog([doc_id, doc_id], self.db1) + self.assertGetDoc(self.db1, doc_id, doc2_rev, new_doc, True) + self.assertGetDoc(self.db2, doc_id, doc2_rev, new_doc, False) + from_idx = self.db1.get_from_index('test-idx', 'altval')[0] + self.assertEqual(doc2.doc_id, from_idx.doc_id) + self.assertEqual(doc2.rev, from_idx.rev) + self.assertTrue(from_idx.has_conflicts) + self.assertEqual([], self.db1.get_from_index('test-idx', 'value')) + + def test_sync_sees_remote_delete_conflicted(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + doc1 = self.db1.create_doc_from_json(simple_doc) + doc_id = doc1.doc_id + self.db1.create_index('test-idx', 'key') + self.sync(self.db1, self.db2) + doc2 = self.make_document(doc1.doc_id, doc1.rev, doc1.get_json()) + new_doc = '{"key": "altval"}' + doc1.set_json(new_doc) + self.db1.put_doc(doc1) + self.db2.delete_doc(doc2) + self.assertTransactionLog([doc_id, doc_id], self.db1) + self.sync(self.db1, self.db2) + self.assertLastExchangeLog( + self.db2, + {'receive': {'docs': [(doc_id, doc1.rev)], + 'source_uid': 'test1', + 'source_gen': 2, 'last_known_gen': 1}, + 'return': {'docs': [(doc_id, doc2.rev)], + 'last_gen': 2}}) + self.assertTransactionLog([doc_id, doc_id, doc_id], self.db1) + self.assertGetDocIncludeDeleted(self.db1, doc_id, doc2.rev, None, True) + self.assertGetDocIncludeDeleted( + self.db2, doc_id, doc2.rev, None, False) + self.assertEqual([], self.db1.get_from_index('test-idx', 'value')) + + def test_sync_local_race_conflicted(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + doc = self.db1.create_doc_from_json(simple_doc) + doc_id = doc.doc_id + doc1_rev = doc.rev + self.db1.create_index('test-idx', 'key') + self.sync(self.db1, self.db2) + content1 = '{"key": "localval"}' + content2 = '{"key": "altval"}' + doc.set_json(content2) + self.db2.put_doc(doc) + doc2_rev2 = doc.rev + triggered = [] + + def after_whatschanged(state): + if state != 'after whats_changed': + return + triggered.append(True) + doc = self.make_document(doc_id, doc1_rev, content1) + self.db1.put_doc(doc) + + self.sync(self.db1, self.db2, trace_hook=after_whatschanged) + self.assertEqual([True], triggered) + self.assertGetDoc(self.db1, doc_id, doc2_rev2, content2, True) + from_idx = self.db1.get_from_index('test-idx', 'altval')[0] + self.assertEqual(doc.doc_id, from_idx.doc_id) + self.assertEqual(doc.rev, from_idx.rev) + self.assertTrue(from_idx.has_conflicts) + self.assertEqual([], self.db1.get_from_index('test-idx', 'value')) + self.assertEqual([], self.db1.get_from_index('test-idx', 'localval')) + + def test_sync_propagates_deletes(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'both') + doc1 = self.db1.create_doc_from_json(simple_doc) + doc_id = doc1.doc_id + self.db1.create_index('test-idx', 'key') + self.sync(self.db1, self.db2) + self.db2.create_index('test-idx', 'key') + self.db3 = self.create_database('test3', 'target') + self.sync(self.db1, self.db3) + self.db1.delete_doc(doc1) + deleted_rev = doc1.rev + self.sync(self.db1, self.db2) + self.assertLastExchangeLog( + self.db2, + {'receive': {'docs': [(doc_id, deleted_rev)], + 'source_uid': 'test1', + 'source_gen': 2, 'last_known_gen': 1}, + 'return': {'docs': [], 'last_gen': 2}}) + self.assertGetDocIncludeDeleted( + self.db1, doc_id, deleted_rev, None, False) + self.assertGetDocIncludeDeleted( + self.db2, doc_id, deleted_rev, None, False) + self.assertEqual([], self.db1.get_from_index('test-idx', 'value')) + self.assertEqual([], self.db2.get_from_index('test-idx', 'value')) + self.sync(self.db2, self.db3) + self.assertLastExchangeLog( + self.db3, + {'receive': {'docs': [(doc_id, deleted_rev)], + 'source_uid': 'test2', + 'source_gen': 2, 'last_known_gen': 0}, + 'return': {'docs': [], 'last_gen': 2}}) + self.assertGetDocIncludeDeleted( + self.db3, doc_id, deleted_rev, None, False) + + def test_sync_propagates_deletes_2(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + self.db1.create_doc_from_json('{"a": "1"}', doc_id='the-doc') + self.sync(self.db1, self.db2) + doc1_2 = self.db2.get_doc('the-doc') + self.db2.delete_doc(doc1_2) + self.sync(self.db1, self.db2) + self.assertGetDocIncludeDeleted( + self.db1, 'the-doc', doc1_2.rev, None, False) + + def test_sync_propagates_resolution(self): + self.db1 = self.create_database('test1', 'both') + self.db2 = self.create_database('test2', 'both') + doc1 = self.db1.create_doc_from_json('{"a": 1}', doc_id='the-doc') + db3 = self.create_database('test3', 'both') + self.sync(self.db2, self.db1) + self.assertEqual( + self.db1._get_generation_info(), + self.db2._get_replica_gen_and_trans_id(self.db1._replica_uid)) + self.assertEqual( + self.db2._get_generation_info(), + self.db1._get_replica_gen_and_trans_id(self.db2._replica_uid)) + self.sync(db3, self.db1) + # update on 2 + doc2 = self.make_document('the-doc', doc1.rev, '{"a": 2}') + self.db2.put_doc(doc2) + self.sync(self.db2, db3) + self.assertEqual(db3.get_doc('the-doc').rev, doc2.rev) + # update on 1 + doc1.set_json('{"a": 3}') + self.db1.put_doc(doc1) + # conflicts + self.sync(self.db2, self.db1) + self.sync(db3, self.db1) + self.assertTrue(self.db2.get_doc('the-doc').has_conflicts) + self.assertTrue(db3.get_doc('the-doc').has_conflicts) + # resolve + conflicts = self.db2.get_doc_conflicts('the-doc') + doc4 = self.make_document('the-doc', None, '{"a": 4}') + revs = [doc.rev for doc in conflicts] + self.db2.resolve_doc(doc4, revs) + doc2 = self.db2.get_doc('the-doc') + self.assertEqual(doc4.get_json(), doc2.get_json()) + self.assertFalse(doc2.has_conflicts) + self.sync(self.db2, db3) + doc3 = db3.get_doc('the-doc') + self.assertEqual(doc4.get_json(), doc3.get_json()) + self.assertFalse(doc3.has_conflicts) + + def test_sync_supersedes_conflicts(self): + self.db1 = self.create_database('test1', 'both') + self.db2 = self.create_database('test2', 'target') + db3 = self.create_database('test3', 'both') + doc1 = self.db1.create_doc_from_json('{"a": 1}', doc_id='the-doc') + self.db2.create_doc_from_json('{"b": 1}', doc_id='the-doc') + db3.create_doc_from_json('{"c": 1}', doc_id='the-doc') + self.sync(db3, self.db1) + self.assertEqual( + self.db1._get_generation_info(), + db3._get_replica_gen_and_trans_id(self.db1._replica_uid)) + self.assertEqual( + db3._get_generation_info(), + self.db1._get_replica_gen_and_trans_id(db3._replica_uid)) + self.sync(db3, self.db2) + self.assertEqual( + self.db2._get_generation_info(), + db3._get_replica_gen_and_trans_id(self.db2._replica_uid)) + self.assertEqual( + db3._get_generation_info(), + self.db2._get_replica_gen_and_trans_id(db3._replica_uid)) + self.assertEqual(3, len(db3.get_doc_conflicts('the-doc'))) + doc1.set_json('{"a": 2}') + self.db1.put_doc(doc1) + self.sync(db3, self.db1) + # original doc1 should have been removed from conflicts + self.assertEqual(3, len(db3.get_doc_conflicts('the-doc'))) + + def test_sync_stops_after_get_sync_info(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + self.db1.create_doc_from_json(tests.simple_doc) + self.sync(self.db1, self.db2) + + def put_hook(state): + self.fail("Tracehook triggered for %s" % (state,)) + + self.sync(self.db1, self.db2, trace_hook_shallow=put_hook) + + def test_sync_detects_identical_replica_uid(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test1', 'target') + self.db1.create_doc_from_json(tests.simple_doc, doc_id='doc1') + self.assertRaises( + u1db_errors.InvalidReplicaUID, self.sync, self.db1, self.db2) + # remove the reference to db2 to avoid double deleting on tearDown + self.db2.close() + self.db2 = None + + def test_sync_detects_rollback_in_source(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + self.db1.create_doc_from_json(tests.simple_doc, doc_id='doc1') + self.sync(self.db1, self.db2) + db1_copy = self.copy_database(self.db1) + self.db1.create_doc_from_json(tests.simple_doc, doc_id='doc2') + self.sync(self.db1, self.db2) + self.assertRaises( + u1db_errors.InvalidGeneration, self.sync, db1_copy, self.db2) + + def test_sync_detects_rollback_in_target(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + self.db1.create_doc_from_json(tests.simple_doc, doc_id="divergent") + self.sync(self.db1, self.db2) + db2_copy = self.copy_database(self.db2) + self.db2.create_doc_from_json(tests.simple_doc, doc_id='doc2') + self.sync(self.db1, self.db2) + self.assertRaises( + u1db_errors.InvalidGeneration, self.sync, self.db1, db2_copy) + + def test_sync_detects_diverged_source(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + db3 = self.copy_database(self.db1) + self.db1.create_doc_from_json(tests.simple_doc, doc_id="divergent") + db3.create_doc_from_json(tests.simple_doc, doc_id="divergent") + self.sync(self.db1, self.db2) + self.assertRaises( + u1db_errors.InvalidTransactionId, self.sync, db3, self.db2) + + def test_sync_detects_diverged_target(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + db3 = self.copy_database(self.db2) + db3.create_doc_from_json(tests.nested_doc, doc_id="divergent") + self.db1.create_doc_from_json(tests.simple_doc, doc_id="divergent") + self.sync(self.db1, self.db2) + self.assertRaises( + u1db_errors.InvalidTransactionId, self.sync, self.db1, db3) + + def test_sync_detects_rollback_and_divergence_in_source(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + self.db1.create_doc_from_json(tests.simple_doc, doc_id='doc1') + self.sync(self.db1, self.db2) + db1_copy = self.copy_database(self.db1) + self.db1.create_doc_from_json(tests.simple_doc, doc_id='doc2') + self.db1.create_doc_from_json(tests.simple_doc, doc_id='doc3') + self.sync(self.db1, self.db2) + db1_copy.create_doc_from_json(tests.simple_doc, doc_id='doc2') + db1_copy.create_doc_from_json(tests.simple_doc, doc_id='doc3') + self.assertRaises( + u1db_errors.InvalidTransactionId, self.sync, db1_copy, self.db2) + + def test_sync_detects_rollback_and_divergence_in_target(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + self.db1.create_doc_from_json(tests.simple_doc, doc_id="divergent") + self.sync(self.db1, self.db2) + db2_copy = self.copy_database(self.db2) + self.db2.create_doc_from_json(tests.simple_doc, doc_id='doc2') + self.db2.create_doc_from_json(tests.simple_doc, doc_id='doc3') + self.sync(self.db1, self.db2) + db2_copy.create_doc_from_json(tests.simple_doc, doc_id='doc2') + db2_copy.create_doc_from_json(tests.simple_doc, doc_id='doc3') + self.assertRaises( + u1db_errors.InvalidTransactionId, self.sync, self.db1, db2_copy) + + def test_optional_sync_preserve_json(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + cont1 = '{"a": 2}' + cont2 = '{"b": 3}' + self.db1.create_doc_from_json(cont1, doc_id="1") + self.db2.create_doc_from_json(cont2, doc_id="2") + self.sync(self.db1, self.db2) + self.assertEqual(cont1, self.db2.get_doc("1").get_json()) + self.assertEqual(cont2, self.db1.get_doc("2").get_json()) class CouchDatabaseExceptionsTests(CouchDBTestCase): diff --git a/common/src/leap/soledad/common/tests/test_sqlcipher_sync.py b/common/src/leap/soledad/common/tests/test_sqlcipher_sync.py index 5d368fdd..5a68f8b6 100644 --- a/common/src/leap/soledad/common/tests/test_sqlcipher_sync.py +++ b/common/src/leap/soledad/common/tests/test_sqlcipher_sync.py @@ -34,9 +34,7 @@ from leap.soledad.common import couch from leap.soledad.common.crypto import ENC_SCHEME_KEY from leap.soledad.client.http_target import SoledadHTTPSyncTarget from leap.soledad.client.crypto import decrypt_doc_dict -from leap.soledad.client.sqlcipher import ( - SQLCipherDatabase, -) +from leap.soledad.client.sqlcipher import SQLCipherDatabase from leap.soledad.common.tests import u1db_tests as tests from leap.soledad.common.tests.test_sqlcipher import SQLCIPHER_SCENARIOS diff --git a/common/src/leap/soledad/common/tests/util.py b/common/src/leap/soledad/common/tests/util.py index fe43986c..daa9c558 100644 --- a/common/src/leap/soledad/common/tests/util.py +++ b/common/src/leap/soledad/common/tests/util.py @@ -31,13 +31,14 @@ import subprocess import time import re import traceback -from uuid import uuid4 +from uuid import uuid4 from mock import Mock from urlparse import urljoin from StringIO import StringIO from pysqlcipher import dbapi2 +from u1db import sync from u1db.errors import DatabaseDoesNotExist from u1db.remote import http_database @@ -55,20 +56,23 @@ from leap.soledad.client import Soledad from leap.soledad.client import http_target from leap.soledad.client import auth from leap.soledad.client.crypto import decrypt_doc_dict +from leap.soledad.client.sqlcipher import SQLCipherDatabase +from leap.soledad.client.sqlcipher import SQLCipherOptions from leap.soledad.server import SoledadApp from leap.soledad.server.auth import SoledadTokenAuthMiddleware -from leap.soledad.client.sqlcipher import ( - SQLCipherDatabase, - SQLCipherOptions, -) - PASSWORD = '123456' ADDRESS = 'leap@leap.se' +def make_local_db_and_target(test): + db = test.create_database('test') + st = db.get_sync_target() + return db, st + + def make_sqlcipher_database_for_test(test, replica_uid): db = SQLCipherDatabase( SQLCipherOptions(':memory:', PASSWORD)) @@ -154,6 +158,15 @@ def copy_token_http_database_for_test(test, db): return http_db +def sync_via_synchronizer(test, db_source, db_target, trace_hook=None, + trace_hook_shallow=None): + target = db_target.get_sync_target() + trace_hook = trace_hook or trace_hook_shallow + if trace_hook: + target._set_trace_hook(trace_hook) + return sync.Synchronizer(db_source, target).sync() + + class MockedSharedDBTest(object): def get_default_shared_mock(self, put_doc_side_effect=None, |