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authorMicah Anderson <micah@riseup.net>2013-07-04 14:51:39 -0400
committerMicah Anderson <micah@riseup.net>2013-07-04 14:51:39 -0400
commite7abf1080661b9795e012307d6134c4f5db24315 (patch)
tree8d8285b8688064cf58e4bbfc9a87b1974a7cae48 /src/leap/soledad/tests/u1db_tests/test_sync.py
parent278275b20f717e9e01a4843a871c5fa8d104c2a4 (diff)
import 0.2.1 soledad, incorporating package split
Diffstat (limited to 'src/leap/soledad/tests/u1db_tests/test_sync.py')
-rw-r--r--src/leap/soledad/tests/u1db_tests/test_sync.py1242
1 files changed, 0 insertions, 1242 deletions
diff --git a/src/leap/soledad/tests/u1db_tests/test_sync.py b/src/leap/soledad/tests/u1db_tests/test_sync.py
deleted file mode 100644
index 96aa2736..00000000
--- a/src/leap/soledad/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