[refactor] make u1db connection pool args explicit

1 files changed, 0 insertions, 730 deletions

diff --git a/testing/tests/client/test_sqlcipher_sync.py b/testing/tests/client/test_sqlcipher_sync.py
deleted file mode 100644
index 3cbefc8b..00000000
--- a/testing/tests/client/test_sqlcipher_sync.py
+++ /dev/null
@@ -1,730 +0,0 @@
-# -*- coding: utf-8 -*-
-# test_sqlcipher.py
-# Copyright (C) 2013-2016 LEAP
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program 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 General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-"""
-Test sqlcipher backend sync.
-"""
-import os
-
-from uuid import uuid4
-
-from testscenarios import TestWithScenarios
-
-from leap.soledad.common.l2db import sync
-from leap.soledad.common.l2db import vectorclock
-from leap.soledad.common.l2db import errors
-
-from leap.soledad.common.crypto import ENC_SCHEME_KEY
-from leap.soledad.client.crypto import decrypt_doc_dict
-from leap.soledad.client.http_target import SoledadHTTPSyncTarget
-
-from test_soledad import u1db_tests as tests
-from test_soledad.util import SQLCIPHER_SCENARIOS
-from test_soledad.util import make_soledad_app
-from test_soledad.util import soledad_sync_target
-from test_soledad.util import BaseSoledadTest
-
-
-# -----------------------------------------------------------------------------
-# The following tests come from `u1db.tests.test_sync`.
-# -----------------------------------------------------------------------------
-
-def sync_via_synchronizer_and_soledad(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 = SoledadHTTPSyncTarget.connect(
-        test.getURL(path), test._soledad._crypto)
-    target.set_token_credentials('user-uuid', 'auth-token')
-    if trace_hook_shallow:
-        target._set_trace_hook_shallow(trace_hook_shallow)
-    return sync.Synchronizer(db_source, target).sync()
-
-
-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 SQLCIPHER_SCENARIOS:
-    scenario['do_sync'] = sync_via_synchronizer
-    sync_scenarios.append((name, scenario))
-
-
-class SQLCipherDatabaseSyncTests(
-        TestWithScenarios,
-        tests.DatabaseBaseTests,
-        BaseSoledadTest):
-
-    """
-    Test for succesfull sync between SQLCipher and LeapBackend.
-
-    Some of the tests in this class had to be adapted because the remote
-    backend always receive encrypted content, and so it can not rely on
-    document's content comparison to try to autoresolve conflicts.
-    """
-
-    scenarios = sync_scenarios
-
-    def setUp(self):
-        self._use_tracking = {}
-        super(tests.DatabaseBaseTests, self).setUp()
-
-    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)
-        self.addCleanup(db.close)
-        return db
-
-    def create_database_for_role(self, replica_uid, sync_role):
-        # hook point for reuse
-        return tests.DatabaseBaseTests.create_database(self, replica_uid)
-
-    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 assertLastExchangeLog(self, db, expected):
-        log = getattr(db, '_last_exchange_log', None)
-        if log is None:
-            return
-        self.assertEqual(expected, log)
-
-    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 = tests.DatabaseBaseTests.copy_database(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 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):
-        """
-        Test for sync autoresolve remote.
-
-        This test was adapted because the remote database receives encrypted
-        content and so it can't compare documents contents to autoresolve.
-        """
-        # The remote database can't autoresolve conflicts based on magic
-        # content convergence, so we modify this test to leave the possibility
-        # of the remode document ending up in conflicted state.
-        self.db1 = self.create_database('test1', 'source')
-        self.db2 = self.create_database('test2', 'target')
-        doc1 = self.db1.create_doc_from_json(tests.simple_doc, doc_id='doc')
-        rev1 = doc1.rev
-        doc2 = self.db2.create_doc_from_json(tests.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)
-        # if remote content is in conflicted state, then document revisions
-        # will be different.
-        # 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):
-        """
-        Test for sync autoresolve local.
-
-        This test was adapted to decrypt remote content before assert.
-        """
-        # 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(tests.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
-        doc1 = self.db1.get_doc('doc')
-        self.assertGetEncryptedDoc(
-            self.db2,
-            doc1.doc_id, doc1.rev, doc1.get_json(), False)
-
-    def test_sync_autoresolves_moar_backwards(self):
-        # here we would 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.
-        #
-        # Despite that, in Soledad we suppose that the server never syncs, so
-        # it never has conflicted documents. Also, if it had, convergence
-        # would not be possible by checking document's contents because they
-        # would be encrypted in server.
-        #
-        # Therefore we suppress this test.
-        pass
-
-    def test_sync_autoresolves_moar_backwards_three(self):
-        # here we would 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.
-        #
-        # We use the same reasoning from the last test to suppress this one.
-        pass
-
-    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(tests.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(tests.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(tests.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(tests.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(tests.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(tests.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(tests.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(tests.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(tests.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_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(
-            errors.InvalidReplicaUID, self.sync, self.db1, self.db2)
-
-    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())
-
-    def test_sync_propagates_resolution(self):
-        """
-        Test if synchronization propagates resolution.
-
-        This test was adapted to decrypt remote content before assert.
-        """
-        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')
-        if ENC_SCHEME_KEY in doc3.content:
-            _crypto = self._soledad._crypto
-            key = _crypto.doc_passphrase(doc3.doc_id)
-            secret = _crypto.secret
-            doc3.set_json(decrypt_doc_dict(
-                doc3.content,
-                doc3.doc_id, doc3.rev, key, secret))
-        self.assertEqual(doc4.get_json(), doc3.get_json())
-        self.assertFalse(doc3.has_conflicts)
-        self.db1.close()
-        self.db2.close()
-        db3.close()
-
-    def test_sync_puts_changes(self):
-        """
-        Test if sync puts changes in remote replica.
-
-        This test was adapted to decrypt remote content before assert.
-        """
-        self.db1 = self.create_database('test1', 'source')
-        self.db2 = self.create_database('test2', 'target')
-        doc = self.db1.create_doc_from_json(tests.simple_doc)
-        self.assertEqual(1, self.sync(self.db1, self.db2))
-        self.assertGetEncryptedDoc(
-            self.db2, doc.doc_id, doc.rev, tests.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(tests.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,
-                          tests.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_supersedes_conflicts(self):
-        self.db1 = self.create_database('test1', 'both')
-        self.db2 = self.create_database('test2', 'target')
-        self.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')
-        self.db3.create_doc_from_json('{"c": 1}', doc_id='the-doc')
-        self.sync(self.db3, self.db1)
-        self.assertEqual(
-            self.db1._get_generation_info(),
-            self.db3._get_replica_gen_and_trans_id(self.db1._replica_uid))
-        self.assertEqual(
-            self.db3._get_generation_info(),
-            self.db1._get_replica_gen_and_trans_id(self.db3._replica_uid))
-        self.sync(self.db3, self.db2)
-        self.assertEqual(
-            self.db2._get_generation_info(),
-            self.db3._get_replica_gen_and_trans_id(self.db2._replica_uid))
-        self.assertEqual(
-            self.db3._get_generation_info(),
-            self.db2._get_replica_gen_and_trans_id(self.db3._replica_uid))
-        self.assertEqual(3, len(self.db3.get_doc_conflicts('the-doc')))
-        doc1.set_json('{"a": 2}')
-        self.db1.put_doc(doc1)
-        self.sync(self.db3, self.db1)
-        # original doc1 should have been removed from conflicts
-        self.assertEqual(3, len(self.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)
-        self.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, self.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)
-        self.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, self.db2_copy)
-
-    def test_sync_detects_diverged_source(self):
-        self.db1 = self.create_database('test1', 'source')
-        self.db2 = self.create_database('test2', 'target')
-        self.db3 = self.copy_database(self.db1)
-        self.db1.create_doc_from_json(tests.simple_doc, doc_id="divergent")
-        self.db3.create_doc_from_json(tests.simple_doc, doc_id="divergent")
-        self.sync(self.db1, self.db2)
-        self.assertRaises(
-            errors.InvalidTransactionId, self.sync, self.db3, self.db2)
-
-    def test_sync_detects_diverged_target(self):
-        self.db1 = self.create_database('test1', 'source')
-        self.db2 = self.create_database('test2', 'target')
-        self.db3 = self.copy_database(self.db2)
-        self.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, self.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)
-        self.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)
-        self.db1_copy.create_doc_from_json(tests.simple_doc, doc_id='doc2')
-        self.db1_copy.create_doc_from_json(tests.simple_doc, doc_id='doc3')
-        self.assertRaises(
-            errors.InvalidTransactionId, self.sync, self.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)
-        self.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)
-        self.db2_copy.create_doc_from_json(tests.simple_doc, doc_id='doc2')
-        self.db2_copy.create_doc_from_json(tests.simple_doc, doc_id='doc3')
-        self.assertRaises(
-            errors.InvalidTransactionId, self.sync, self.db1, self.db2_copy)
-
-
-def make_local_db_and_soledad_target(
-        test, path='test',
-        source_replica_uid=uuid4().hex):
-    test.startTwistedServer()
-    replica_uid = os.path.basename(path)
-    db = test.request_state._create_database(replica_uid)
-    sync_db = test._soledad._sync_db
-    sync_enc_pool = test._soledad._sync_enc_pool
-    st = soledad_sync_target(
-        test, db._dbname,
-        source_replica_uid=source_replica_uid,
-        sync_db=sync_db,
-        sync_enc_pool=sync_enc_pool)
-    return db, st
-
-target_scenarios = [
-    ('leap', {
-        'create_db_and_target': make_local_db_and_soledad_target,
-        'make_app_with_state': make_soledad_app,
-        'do_sync': sync_via_synchronizer_and_soledad}),
-]