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Diffstat (limited to 'tests/u1db_tests/test_sync.py')
| -rw-r--r-- | tests/u1db_tests/test_sync.py | 1242 |
1 files changed, 0 insertions, 1242 deletions
diff --git a/tests/u1db_tests/test_sync.py b/tests/u1db_tests/test_sync.py deleted file mode 100644 index 96aa2736..00000000 --- a/tests/u1db_tests/test_sync.py +++ /dev/null @@ -1,1242 +0,0 @@ -# Copyright 2011-2012 Canonical Ltd. -# -# This file is part of u1db. -# -# u1db is free software: you can redistribute it and/or modify -# it under the terms of the GNU Lesser General Public License version 3 -# as published by the Free Software Foundation. -# -# u1db is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public License -# along with u1db. If not, see <http://www.gnu.org/licenses/>. - -"""The Synchronization class for U1DB.""" - -import os -from wsgiref import simple_server - -from u1db import ( - errors, - sync, - vectorclock, - SyncTarget, -) - -from leap.soledad.tests import u1db_tests as tests - -from u1db.backends import ( - inmemory, -) -from u1db.remote import ( - http_target, -) - -from leap.soledad.tests.u1db_tests.test_remote_sync_target import ( - make_http_app, - make_oauth_http_app, -) - -simple_doc = tests.simple_doc -nested_doc = tests.nested_doc - - -def _make_local_db_and_target(test): - db = test.create_database('test') - st = db.get_sync_target() - return db, st - - -def _make_local_db_and_http_target(test, path='test'): - test.startServer() - db = test.request_state._create_database(os.path.basename(path)) - st = http_target.HTTPSyncTarget.connect(test.getURL(path)) - return db, st - - -def _make_local_db_and_oauth_http_target(test): - db, st = _make_local_db_and_http_target(test, '~/test') - st.set_oauth_credentials(tests.consumer1.key, tests.consumer1.secret, - tests.token1.key, tests.token1.secret) - return db, st - - -target_scenarios = [ - ('local', {'create_db_and_target': _make_local_db_and_target}), - ('http', {'create_db_and_target': _make_local_db_and_http_target, - 'make_app_with_state': make_http_app}), - ('oauth_http', {'create_db_and_target': - _make_local_db_and_oauth_http_target, - 'make_app_with_state': make_oauth_http_app}), -] - - -class DatabaseSyncTargetTests(tests.DatabaseBaseTests, - tests.TestCaseWithServer): - - scenarios = (tests.multiply_scenarios(tests.DatabaseBaseTests.scenarios, - target_scenarios)) - #+ c_db_scenarios) - # whitebox true means self.db is the actual local db object - # against which the sync is performed - whitebox = True - - def setUp(self): - super(DatabaseSyncTargetTests, self).setUp() - self.db, self.st = self.create_db_and_target(self) - self.other_changes = [] - - def tearDown(self): - # We delete them explicitly, so that connections are cleanly closed - del self.st - self.db.close() - del self.db - super(DatabaseSyncTargetTests, self).tearDown() - - def receive_doc(self, doc, gen, trans_id): - self.other_changes.append( - (doc.doc_id, doc.rev, doc.get_json(), gen, trans_id)) - - 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 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_returns_many_new_docs(self): - doc = self.db.create_doc_from_json(simple_doc) - doc2 = self.db.create_doc_from_json(nested_doc) - self.assertTransactionLog([doc.doc_id, doc2.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, doc2.doc_id], self.db) - self.assertEqual(2, new_gen) - self.assertEqual( - [(doc.doc_id, doc.rev, simple_doc, 1), - (doc2.doc_id, doc2.rev, nested_doc, 2)], - [c[:-1] for c in self.other_changes]) - if self.whitebox: - self.assertEqual( - self.db._last_exchange_log['return'], - {'last_gen': 2, 'docs': - [(doc.doc_id, doc.rev), (doc2.doc_id, doc2.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 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( - (errors.U1DBError, 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) - - -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() - - -sync_scenarios = [] -for name, scenario in tests.LOCAL_DATABASES_SCENARIOS: - scenario = dict(scenario) - scenario['do_sync'] = sync_via_synchronizer - sync_scenarios.append((name, scenario)) - scenario = dict(scenario) - - -def make_database_for_http_test(test, replica_uid): - if test.server is None: - test.startServer() - db = test.request_state._create_database(replica_uid) - try: - http_at = test._http_at - except AttributeError: - http_at = test._http_at = {} - http_at[db] = replica_uid - return db - - -def copy_database_for_http_test(test, db): - # 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. - if test.server is None: - test.startServer() - new_db = test.request_state._copy_database(db) - try: - http_at = test._http_at - except AttributeError: - http_at = test._http_at = {} - path = db._replica_uid - while path in http_at.values(): - path += 'copy' - http_at[new_db] = path - return new_db - - -def sync_via_synchronizer_and_http(test, db_source, db_target, - trace_hook=None, trace_hook_shallow=None): - if trace_hook: - test.skipTest("full trace hook unsupported over http") - path = test._http_at[db_target] - target = http_target.HTTPSyncTarget.connect(test.getURL(path)) - if trace_hook_shallow: - target._set_trace_hook_shallow(trace_hook_shallow) - return sync.Synchronizer(db_source, target).sync() - - -sync_scenarios.append(('pyhttp', { - 'make_database_for_test': make_database_for_http_test, - 'copy_database_for_test': copy_database_for_http_test, - 'make_document_for_test': tests.make_document_for_test, - 'make_app_with_state': make_http_app, - 'do_sync': sync_via_synchronizer_and_http -})) - - -class DatabaseSyncTests(tests.DatabaseBaseTests, - tests.TestCaseWithServer): - - scenarios = sync_scenarios - do_sync = None # set by 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 super(DatabaseSyncTests, self).create_database(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 = super(DatabaseSyncTests, self).copy_database(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._use_tracking = {} - super(DatabaseSyncTests, self).setUp() - - 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_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_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( - 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( - 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( - 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( - 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( - 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( - errors.InvalidTransactionId, self.sync, self.db1, db2_copy) - - -class TestDbSync(tests.TestCaseWithServer): - """Test db.sync remote sync shortcut""" - - scenarios = [ - ('py-http', { - 'make_app_with_state': make_http_app, - 'make_database_for_test': tests.make_memory_database_for_test, - }), - ('py-oauth-http', { - 'make_app_with_state': make_oauth_http_app, - 'make_database_for_test': tests.make_memory_database_for_test, - 'oauth': True - }), - ] - - oauth = False - - def do_sync(self, target_name): - if self.oauth: - path = '~/' + target_name - extra = dict(creds={'oauth': { - 'consumer_key': tests.consumer1.key, - 'consumer_secret': tests.consumer1.secret, - 'token_key': tests.token1.key, - 'token_secret': tests.token1.secret, - }}) - else: - path = target_name - extra = {} - target_url = self.getURL(path) - return self.db.sync(target_url, **extra) - - def setUp(self): - super(TestDbSync, self).setUp() - self.startServer() - self.db = self.make_database_for_test(self, 'test1') - self.db2 = self.request_state._create_database('test2.db') - - def test_db_sync(self): - doc1 = self.db.create_doc_from_json(tests.simple_doc) - doc2 = self.db2.create_doc_from_json(tests.nested_doc) - local_gen_before_sync = self.do_sync('test2.db') - gen, _, changes = self.db.whats_changed(local_gen_before_sync) - self.assertEqual(1, len(changes)) - self.assertEqual(doc2.doc_id, changes[0][0]) - self.assertEqual(1, gen - local_gen_before_sync) - self.assertGetDoc(self.db2, doc1.doc_id, doc1.rev, tests.simple_doc, - False) - self.assertGetDoc(self.db, doc2.doc_id, doc2.rev, tests.nested_doc, - False) - - def test_db_sync_autocreate(self): - doc1 = self.db.create_doc_from_json(tests.simple_doc) - local_gen_before_sync = self.do_sync('test3.db') - gen, _, changes = self.db.whats_changed(local_gen_before_sync) - self.assertEqual(0, gen - local_gen_before_sync) - db3 = self.request_state.open_database('test3.db') - gen, _, changes = db3.whats_changed() - self.assertEqual(1, len(changes)) - self.assertEqual(doc1.doc_id, changes[0][0]) - self.assertGetDoc(db3, doc1.doc_id, doc1.rev, tests.simple_doc, - False) - t_gen, _ = self.db._get_replica_gen_and_trans_id('test3.db') - s_gen, _ = db3._get_replica_gen_and_trans_id('test1') - self.assertEqual(1, t_gen) - self.assertEqual(1, s_gen) - - -class TestRemoteSyncIntegration(tests.TestCaseWithServer): - """Integration tests for the most common sync scenario local -> remote""" - - make_app_with_state = staticmethod(make_http_app) - - def setUp(self): - super(TestRemoteSyncIntegration, self).setUp() - self.startServer() - self.db1 = inmemory.InMemoryDatabase('test1') - self.db2 = self.request_state._create_database('test2') - - def test_sync_tracks_generations_incrementally(self): - doc11 = self.db1.create_doc_from_json('{"a": 1}') - doc12 = self.db1.create_doc_from_json('{"a": 2}') - doc21 = self.db2.create_doc_from_json('{"b": 1}') - doc22 = self.db2.create_doc_from_json('{"b": 2}') - #sanity - self.assertEqual(2, len(self.db1._get_transaction_log())) - self.assertEqual(2, len(self.db2._get_transaction_log())) - progress1 = [] - progress2 = [] - _do_set_replica_gen_and_trans_id = \ - self.db1._do_set_replica_gen_and_trans_id - - def set_sync_generation_witness1(other_uid, other_gen, trans_id): - progress1.append((other_uid, other_gen, - [d for d, t in - self.db1._get_transaction_log()[2:]])) - _do_set_replica_gen_and_trans_id(other_uid, other_gen, trans_id) - self.patch(self.db1, '_do_set_replica_gen_and_trans_id', - set_sync_generation_witness1) - _do_set_replica_gen_and_trans_id2 = \ - self.db2._do_set_replica_gen_and_trans_id - - def set_sync_generation_witness2(other_uid, other_gen, trans_id): - progress2.append((other_uid, other_gen, - [d for d, t in - self.db2._get_transaction_log()[2:]])) - _do_set_replica_gen_and_trans_id2(other_uid, other_gen, trans_id) - self.patch(self.db2, '_do_set_replica_gen_and_trans_id', - set_sync_generation_witness2) - - db2_url = self.getURL('test2') - self.db1.sync(db2_url) - - self.assertEqual([('test2', 1, [doc21.doc_id]), - ('test2', 2, [doc21.doc_id, doc22.doc_id]), - ('test2', 4, [doc21.doc_id, doc22.doc_id])], - progress1) - self.assertEqual([('test1', 1, [doc11.doc_id]), - ('test1', 2, [doc11.doc_id, doc12.doc_id]), - ('test1', 4, [doc11.doc_id, doc12.doc_id])], - progress2) - - -load_tests = tests.load_with_scenarios |