[refactor] make u1db connection pool args explicit

1 files changed, 0 insertions, 705 deletions

diff --git a/testing/tests/client/test_sqlcipher.py b/testing/tests/client/test_sqlcipher.py
deleted file mode 100644
index 11472d46..00000000
--- a/testing/tests/client/test_sqlcipher.py
+++ /dev/null
@@ -1,705 +0,0 @@
-# -*- coding: utf-8 -*-
-# test_sqlcipher.py
-# Copyright (C) 2013 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 internals.
-"""
-import os
-import time
-import threading
-import tempfile
-import shutil
-
-from pysqlcipher import dbapi2
-from testscenarios import TestWithScenarios
-
-# l2db stuff.
-from leap.soledad.common.l2db import errors
-from leap.soledad.common.l2db import query_parser
-from leap.soledad.common.l2db.backends.sqlite_backend \
-    import SQLitePartialExpandDatabase
-
-# soledad stuff.
-from leap.soledad.common import soledad_assert
-from leap.soledad.common.document import SoledadDocument
-from leap.soledad.client.sqlcipher import SQLCipherDatabase
-from leap.soledad.client.sqlcipher import SQLCipherOptions
-from leap.soledad.client.sqlcipher import DatabaseIsNotEncrypted
-
-# u1db tests stuff.
-from test_soledad import u1db_tests as tests
-from test_soledad.u1db_tests import test_backends
-from test_soledad.u1db_tests import test_open
-from test_soledad.util import SQLCIPHER_SCENARIOS
-from test_soledad.util import PASSWORD
-from test_soledad.util import BaseSoledadTest
-
-
-def sqlcipher_open(path, passphrase, create=True, document_factory=None):
-    return SQLCipherDatabase(
-        SQLCipherOptions(path, passphrase, create=create))
-
-
-# -----------------------------------------------------------------------------
-# The following tests come from `u1db.tests.test_common_backend`.
-# -----------------------------------------------------------------------------
-
-class TestSQLCipherBackendImpl(tests.TestCase):
-
-    def test__allocate_doc_id(self):
-        db = sqlcipher_open(':memory:', PASSWORD)
-        doc_id1 = db._allocate_doc_id()
-        self.assertTrue(doc_id1.startswith('D-'))
-        self.assertEqual(34, len(doc_id1))
-        int(doc_id1[len('D-'):], 16)
-        self.assertNotEqual(doc_id1, db._allocate_doc_id())
-        db.close()
-
-
-# -----------------------------------------------------------------------------
-# The following tests come from `u1db.tests.test_backends`.
-# -----------------------------------------------------------------------------
-
-class SQLCipherTests(TestWithScenarios, test_backends.AllDatabaseTests):
-    scenarios = SQLCIPHER_SCENARIOS
-
-
-class SQLCipherDatabaseTests(TestWithScenarios,
-                             test_backends.LocalDatabaseTests):
-    scenarios = SQLCIPHER_SCENARIOS
-
-
-class SQLCipherValidateGenNTransIdTests(
-        TestWithScenarios,
-        test_backends.LocalDatabaseValidateGenNTransIdTests):
-    scenarios = SQLCIPHER_SCENARIOS
-
-
-class SQLCipherValidateSourceGenTests(
-        TestWithScenarios,
-        test_backends.LocalDatabaseValidateSourceGenTests):
-    scenarios = SQLCIPHER_SCENARIOS
-
-
-class SQLCipherWithConflictsTests(
-        TestWithScenarios,
-        test_backends.LocalDatabaseWithConflictsTests):
-    scenarios = SQLCIPHER_SCENARIOS
-
-
-class SQLCipherIndexTests(
-        TestWithScenarios, test_backends.DatabaseIndexTests):
-    scenarios = SQLCIPHER_SCENARIOS
-
-
-# -----------------------------------------------------------------------------
-# The following tests come from `u1db.tests.test_sqlite_backend`.
-# -----------------------------------------------------------------------------
-
-class TestSQLCipherDatabase(tests.TestCase):
-    """
-    Tests from u1db.tests.test_sqlite_backend.TestSQLiteDatabase.
-    """
-
-    def test_atomic_initialize(self):
-        # This test was modified to ensure that db2.close() is called within
-        # the thread that created the database.
-        tmpdir = self.createTempDir()
-        dbname = os.path.join(tmpdir, 'atomic.db')
-
-        t2 = None  # will be a thread
-
-        class SQLCipherDatabaseTesting(SQLCipherDatabase):
-            _index_storage_value = "testing"
-
-            def __init__(self, dbname, ntry):
-                self._try = ntry
-                self._is_initialized_invocations = 0
-                SQLCipherDatabase.__init__(
-                    self,
-                    SQLCipherOptions(dbname, PASSWORD))
-
-            def _is_initialized(self, c):
-                res = \
-                    SQLCipherDatabase._is_initialized(self, c)
-                if self._try == 1:
-                    self._is_initialized_invocations += 1
-                    if self._is_initialized_invocations == 2:
-                        t2.start()
-                        # hard to do better and have a generic test
-                        time.sleep(0.05)
-                return res
-
-        class SecondTry(threading.Thread):
-
-            outcome2 = []
-
-            def run(self):
-                try:
-                    db2 = SQLCipherDatabaseTesting(dbname, 2)
-                except Exception, e:
-                    SecondTry.outcome2.append(e)
-                else:
-                    SecondTry.outcome2.append(db2)
-
-        t2 = SecondTry()
-        db1 = SQLCipherDatabaseTesting(dbname, 1)
-        t2.join()
-
-        self.assertIsInstance(SecondTry.outcome2[0], SQLCipherDatabaseTesting)
-        self.assertTrue(db1._is_initialized(db1._get_sqlite_handle().cursor()))
-        db1.close()
-
-
-class TestSQLCipherPartialExpandDatabase(tests.TestCase):
-    """
-    Tests from u1db.tests.test_sqlite_backend.TestSQLitePartialExpandDatabase.
-    """
-
-    # The following tests had to be cloned from u1db because they all
-    # instantiate the backend directly, so we need to change that in order to
-    # our backend be instantiated in place.
-
-    def setUp(self):
-        self.db = sqlcipher_open(':memory:', PASSWORD)
-
-    def tearDown(self):
-        self.db.close()
-
-    def test_default_replica_uid(self):
-        self.assertIsNot(None, self.db._replica_uid)
-        self.assertEqual(32, len(self.db._replica_uid))
-        int(self.db._replica_uid, 16)
-
-    def test__parse_index(self):
-        g = self.db._parse_index_definition('fieldname')
-        self.assertIsInstance(g, query_parser.ExtractField)
-        self.assertEqual(['fieldname'], g.field)
-
-    def test__update_indexes(self):
-        g = self.db._parse_index_definition('fieldname')
-        c = self.db._get_sqlite_handle().cursor()
-        self.db._update_indexes('doc-id', {'fieldname': 'val'},
-                                [('fieldname', g)], c)
-        c.execute('SELECT doc_id, field_name, value FROM document_fields')
-        self.assertEqual([('doc-id', 'fieldname', 'val')],
-                         c.fetchall())
-
-    def test_create_database(self):
-        raw_db = self.db._get_sqlite_handle()
-        self.assertNotEqual(None, raw_db)
-
-    def test__set_replica_uid(self):
-        # Start from scratch, so that replica_uid isn't set.
-        self.assertIsNot(None, self.db._real_replica_uid)
-        self.assertIsNot(None, self.db._replica_uid)
-        self.db._set_replica_uid('foo')
-        c = self.db._get_sqlite_handle().cursor()
-        c.execute("SELECT value FROM u1db_config WHERE name='replica_uid'")
-        self.assertEqual(('foo',), c.fetchone())
-        self.assertEqual('foo', self.db._real_replica_uid)
-        self.assertEqual('foo', self.db._replica_uid)
-        self.db._close_sqlite_handle()
-        self.assertEqual('foo', self.db._replica_uid)
-
-    def test__open_database(self):
-        # SQLCipherDatabase has no _open_database() method, so we just pass
-        # (and test for the same funcionality on test_open_database_existing()
-        # below).
-        pass
-
-    def test__open_database_with_factory(self):
-        # SQLCipherDatabase has no _open_database() method.
-        pass
-
-    def test__open_database_non_existent(self):
-        temp_dir = self.createTempDir(prefix='u1db-test-')
-        path = temp_dir + '/non-existent.sqlite'
-        self.assertRaises(errors.DatabaseDoesNotExist,
-                          sqlcipher_open,
-                          path, PASSWORD, create=False)
-
-    def test__open_database_during_init(self):
-        # The purpose of this test is to ensure that _open_database() parallel
-        # db initialization behaviour is correct. As SQLCipherDatabase does
-        # not have an _open_database() method, we just do not implement this
-        # test.
-        pass
-
-    def test__open_database_invalid(self):
-        # This test was modified to ensure that an empty database file will
-        # raise a DatabaseIsNotEncrypted exception instead of a
-        # dbapi2.OperationalError exception.
-        temp_dir = self.createTempDir(prefix='u1db-test-')
-        path1 = temp_dir + '/invalid1.db'
-        with open(path1, 'wb') as f:
-            f.write("")
-        self.assertRaises(DatabaseIsNotEncrypted,
-                          sqlcipher_open, path1,
-                          PASSWORD)
-        with open(path1, 'wb') as f:
-            f.write("invalid")
-        self.assertRaises(dbapi2.DatabaseError,
-                          sqlcipher_open, path1,
-                          PASSWORD)
-
-    def test_open_database_existing(self):
-        # In the context of SQLCipherDatabase, where no _open_database()
-        # method exists and thus there's no call to _which_index_storage(),
-        # this test tests for the same functionality as
-        # test_open_database_create() below. So, we just pass.
-        pass
-
-    def test_open_database_with_factory(self):
-        # SQLCipherDatabase's constructor has no factory parameter.
-        pass
-
-    def test_open_database_create(self):
-        # SQLCipherDatabas has no open_database() method, so we just test for
-        # the actual database constructor effects.
-        temp_dir = self.createTempDir(prefix='u1db-test-')
-        path = temp_dir + '/new.sqlite'
-        db1 = sqlcipher_open(path, PASSWORD, create=True)
-        db2 = sqlcipher_open(path, PASSWORD, create=False)
-        self.assertIsInstance(db2, SQLCipherDatabase)
-        db1.close()
-        db2.close()
-
-    def test_create_database_initializes_schema(self):
-        # This test had to be cloned because our implementation of SQLCipher
-        # backend is referenced with an index_storage_value that includes the
-        # word "encrypted". See u1db's sqlite_backend and our
-        # sqlcipher_backend for reference.
-        raw_db = self.db._get_sqlite_handle()
-        c = raw_db.cursor()
-        c.execute("SELECT * FROM u1db_config")
-        config = dict([(r[0], r[1]) for r in c.fetchall()])
-        replica_uid = self.db._replica_uid
-        self.assertEqual({'sql_schema': '0', 'replica_uid': replica_uid,
-                          'index_storage': 'expand referenced encrypted'},
-                         config)
-
-    def test_store_syncable(self):
-        doc = self.db.create_doc_from_json(tests.simple_doc)
-        # assert that docs are syncable by default
-        self.assertEqual(True, doc.syncable)
-        # assert that we can store syncable = False
-        doc.syncable = False
-        self.db.put_doc(doc)
-        self.assertEqual(False, self.db.get_doc(doc.doc_id).syncable)
-        # assert that we can store syncable = True
-        doc.syncable = True
-        self.db.put_doc(doc)
-        self.assertEqual(True, self.db.get_doc(doc.doc_id).syncable)
-
-    def test__close_sqlite_handle(self):
-        raw_db = self.db._get_sqlite_handle()
-        self.db._close_sqlite_handle()
-        self.assertRaises(dbapi2.ProgrammingError,
-                          raw_db.cursor)
-
-    def test__get_generation(self):
-        self.assertEqual(0, self.db._get_generation())
-
-    def test__get_generation_info(self):
-        self.assertEqual((0, ''), self.db._get_generation_info())
-
-    def test_create_index(self):
-        self.db.create_index('test-idx', "key")
-        self.assertEqual([('test-idx', ["key"])], self.db.list_indexes())
-
-    def test_create_index_multiple_fields(self):
-        self.db.create_index('test-idx', "key", "key2")
-        self.assertEqual([('test-idx', ["key", "key2"])],
-                         self.db.list_indexes())
-
-    def test__get_index_definition(self):
-        self.db.create_index('test-idx', "key", "key2")
-        # TODO: How would you test that an index is getting used for an SQL
-        #       request?
-        self.assertEqual(["key", "key2"],
-                         self.db._get_index_definition('test-idx'))
-
-    def test_list_index_mixed(self):
-        # Make sure that we properly order the output
-        c = self.db._get_sqlite_handle().cursor()
-        # We intentionally insert the data in weird ordering, to make sure the
-        # query still gets it back correctly.
-        c.executemany("INSERT INTO index_definitions VALUES (?, ?, ?)",
-                      [('idx-1', 0, 'key10'),
-                       ('idx-2', 2, 'key22'),
-                       ('idx-1', 1, 'key11'),
-                       ('idx-2', 0, 'key20'),
-                       ('idx-2', 1, 'key21')])
-        self.assertEqual([('idx-1', ['key10', 'key11']),
-                          ('idx-2', ['key20', 'key21', 'key22'])],
-                         self.db.list_indexes())
-
-    def test_no_indexes_no_document_fields(self):
-        self.db.create_doc_from_json(
-            '{"key1": "val1", "key2": "val2"}')
-        c = self.db._get_sqlite_handle().cursor()
-        c.execute("SELECT doc_id, field_name, value FROM document_fields"
-                  " ORDER BY doc_id, field_name, value")
-        self.assertEqual([], c.fetchall())
-
-    def test_create_extracts_fields(self):
-        doc1 = self.db.create_doc_from_json('{"key1": "val1", "key2": "val2"}')
-        doc2 = self.db.create_doc_from_json('{"key1": "valx", "key2": "valy"}')
-        c = self.db._get_sqlite_handle().cursor()
-        c.execute("SELECT doc_id, field_name, value FROM document_fields"
-                  " ORDER BY doc_id, field_name, value")
-        self.assertEqual([], c.fetchall())
-        self.db.create_index('test', 'key1', 'key2')
-        c.execute("SELECT doc_id, field_name, value FROM document_fields"
-                  " ORDER BY doc_id, field_name, value")
-        self.assertEqual(sorted(
-            [(doc1.doc_id, "key1", "val1"),
-             (doc1.doc_id, "key2", "val2"),
-             (doc2.doc_id, "key1", "valx"),
-             (doc2.doc_id, "key2", "valy"), ]), sorted(c.fetchall()))
-
-    def test_put_updates_fields(self):
-        self.db.create_index('test', 'key1', 'key2')
-        doc1 = self.db.create_doc_from_json(
-            '{"key1": "val1", "key2": "val2"}')
-        doc1.content = {"key1": "val1", "key2": "valy"}
-        self.db.put_doc(doc1)
-        c = self.db._get_sqlite_handle().cursor()
-        c.execute("SELECT doc_id, field_name, value FROM document_fields"
-                  " ORDER BY doc_id, field_name, value")
-        self.assertEqual([(doc1.doc_id, "key1", "val1"),
-                          (doc1.doc_id, "key2", "valy"), ], c.fetchall())
-
-    def test_put_updates_nested_fields(self):
-        self.db.create_index('test', 'key', 'sub.doc')
-        doc1 = self.db.create_doc_from_json(tests.nested_doc)
-        c = self.db._get_sqlite_handle().cursor()
-        c.execute("SELECT doc_id, field_name, value FROM document_fields"
-                  " ORDER BY doc_id, field_name, value")
-        self.assertEqual([(doc1.doc_id, "key", "value"),
-                          (doc1.doc_id, "sub.doc", "underneath"), ],
-                         c.fetchall())
-
-    def test__ensure_schema_rollback(self):
-        temp_dir = self.createTempDir(prefix='u1db-test-')
-        path = temp_dir + '/rollback.db'
-
-        class SQLitePartialExpandDbTesting(SQLCipherDatabase):
-
-            def _set_replica_uid_in_transaction(self, uid):
-                super(SQLitePartialExpandDbTesting,
-                      self)._set_replica_uid_in_transaction(uid)
-                if fail:
-                    raise Exception()
-
-        db = SQLitePartialExpandDbTesting.__new__(SQLitePartialExpandDbTesting)
-        db._db_handle = dbapi2.connect(path)  # db is there but not yet init-ed
-        fail = True
-        self.assertRaises(Exception, db._ensure_schema)
-        fail = False
-        db._initialize(db._db_handle.cursor())
-
-    def test_open_database_non_existent(self):
-        temp_dir = self.createTempDir(prefix='u1db-test-')
-        path = temp_dir + '/non-existent.sqlite'
-        self.assertRaises(errors.DatabaseDoesNotExist,
-                          sqlcipher_open, path, "123",
-                          create=False)
-
-    def test_delete_database_existent(self):
-        temp_dir = self.createTempDir(prefix='u1db-test-')
-        path = temp_dir + '/new.sqlite'
-        db = sqlcipher_open(path, "123", create=True)
-        db.close()
-        SQLCipherDatabase.delete_database(path)
-        self.assertRaises(errors.DatabaseDoesNotExist,
-                          sqlcipher_open, path, "123",
-                          create=False)
-
-    def test_delete_database_nonexistent(self):
-        temp_dir = self.createTempDir(prefix='u1db-test-')
-        path = temp_dir + '/non-existent.sqlite'
-        self.assertRaises(errors.DatabaseDoesNotExist,
-                          SQLCipherDatabase.delete_database, path)
-
-    def test__get_indexed_fields(self):
-        self.db.create_index('idx1', 'a', 'b')
-        self.assertEqual(set(['a', 'b']), self.db._get_indexed_fields())
-        self.db.create_index('idx2', 'b', 'c')
-        self.assertEqual(set(['a', 'b', 'c']), self.db._get_indexed_fields())
-
-    def test_indexed_fields_expanded(self):
-        self.db.create_index('idx1', 'key1')
-        doc1 = self.db.create_doc_from_json('{"key1": "val1", "key2": "val2"}')
-        self.assertEqual(set(['key1']), self.db._get_indexed_fields())
-        c = self.db._get_sqlite_handle().cursor()
-        c.execute("SELECT doc_id, field_name, value FROM document_fields"
-                  " ORDER BY doc_id, field_name, value")
-        self.assertEqual([(doc1.doc_id, 'key1', 'val1')], c.fetchall())
-
-    def test_create_index_updates_fields(self):
-        doc1 = self.db.create_doc_from_json('{"key1": "val1", "key2": "val2"}')
-        self.db.create_index('idx1', 'key1')
-        self.assertEqual(set(['key1']), self.db._get_indexed_fields())
-        c = self.db._get_sqlite_handle().cursor()
-        c.execute("SELECT doc_id, field_name, value FROM document_fields"
-                  " ORDER BY doc_id, field_name, value")
-        self.assertEqual([(doc1.doc_id, 'key1', 'val1')], c.fetchall())
-
-    def assertFormatQueryEquals(self, exp_statement, exp_args, definition,
-                                values):
-        statement, args = self.db._format_query(definition, values)
-        self.assertEqual(exp_statement, statement)
-        self.assertEqual(exp_args, args)
-
-    def test__format_query(self):
-        self.assertFormatQueryEquals(
-            "SELECT d.doc_id, d.doc_rev, d.content, count(c.doc_rev) FROM "
-            "document d, document_fields d0 LEFT OUTER JOIN conflicts c ON "
-            "c.doc_id = d.doc_id WHERE d.doc_id = d0.doc_id AND d0.field_name "
-            "= ? AND d0.value = ? GROUP BY d.doc_id, d.doc_rev, d.content "
-            "ORDER BY d0.value;", ["key1", "a"],
-            ["key1"], ["a"])
-
-    def test__format_query2(self):
-        self.assertFormatQueryEquals(
-            'SELECT d.doc_id, d.doc_rev, d.content, count(c.doc_rev) FROM '
-            'document d, document_fields d0, document_fields d1, '
-            'document_fields d2 LEFT OUTER JOIN conflicts c ON c.doc_id = '
-            'd.doc_id WHERE d.doc_id = d0.doc_id AND d0.field_name = ? AND '
-            'd0.value = ? AND d.doc_id = d1.doc_id AND d1.field_name = ? AND '
-            'd1.value = ? AND d.doc_id = d2.doc_id AND d2.field_name = ? AND '
-            'd2.value = ? GROUP BY d.doc_id, d.doc_rev, d.content ORDER BY '
-            'd0.value, d1.value, d2.value;',
-            ["key1", "a", "key2", "b", "key3", "c"],
-            ["key1", "key2", "key3"], ["a", "b", "c"])
-
-    def test__format_query_wildcard(self):
-        self.assertFormatQueryEquals(
-            'SELECT d.doc_id, d.doc_rev, d.content, count(c.doc_rev) FROM '
-            'document d, document_fields d0, document_fields d1, '
-            'document_fields d2 LEFT OUTER JOIN conflicts c ON c.doc_id = '
-            'd.doc_id WHERE d.doc_id = d0.doc_id AND d0.field_name = ? AND '
-            'd0.value = ? AND d.doc_id = d1.doc_id AND d1.field_name = ? AND '
-            'd1.value GLOB ? AND d.doc_id = d2.doc_id AND d2.field_name = ? '
-            'AND d2.value NOT NULL GROUP BY d.doc_id, d.doc_rev, d.content '
-            'ORDER BY d0.value, d1.value, d2.value;',
-            ["key1", "a", "key2", "b*", "key3"], ["key1", "key2", "key3"],
-            ["a", "b*", "*"])
-
-    def assertFormatRangeQueryEquals(self, exp_statement, exp_args, definition,
-                                     start_value, end_value):
-        statement, args = self.db._format_range_query(
-            definition, start_value, end_value)
-        self.assertEqual(exp_statement, statement)
-        self.assertEqual(exp_args, args)
-
-    def test__format_range_query(self):
-        self.assertFormatRangeQueryEquals(
-            'SELECT d.doc_id, d.doc_rev, d.content, count(c.doc_rev) FROM '
-            'document d, document_fields d0, document_fields d1, '
-            'document_fields d2 LEFT OUTER JOIN conflicts c ON c.doc_id = '
-            'd.doc_id WHERE d.doc_id = d0.doc_id AND d0.field_name = ? AND '
-            'd0.value >= ? AND d.doc_id = d1.doc_id AND d1.field_name = ? AND '
-            'd1.value >= ? AND d.doc_id = d2.doc_id AND d2.field_name = ? AND '
-            'd2.value >= ? AND d.doc_id = d0.doc_id AND d0.field_name = ? AND '
-            'd0.value <= ? AND d.doc_id = d1.doc_id AND d1.field_name = ? AND '
-            'd1.value <= ? AND d.doc_id = d2.doc_id AND d2.field_name = ? AND '
-            'd2.value <= ? GROUP BY d.doc_id, d.doc_rev, d.content ORDER BY '
-            'd0.value, d1.value, d2.value;',
-            ['key1', 'a', 'key2', 'b', 'key3', 'c', 'key1', 'p', 'key2', 'q',
-             'key3', 'r'],
-            ["key1", "key2", "key3"], ["a", "b", "c"], ["p", "q", "r"])
-
-    def test__format_range_query_no_start(self):
-        self.assertFormatRangeQueryEquals(
-            'SELECT d.doc_id, d.doc_rev, d.content, count(c.doc_rev) FROM '
-            'document d, document_fields d0, document_fields d1, '
-            'document_fields d2 LEFT OUTER JOIN conflicts c ON c.doc_id = '
-            'd.doc_id WHERE d.doc_id = d0.doc_id AND d0.field_name = ? AND '
-            'd0.value <= ? AND d.doc_id = d1.doc_id AND d1.field_name = ? AND '
-            'd1.value <= ? AND d.doc_id = d2.doc_id AND d2.field_name = ? AND '
-            'd2.value <= ? GROUP BY d.doc_id, d.doc_rev, d.content ORDER BY '
-            'd0.value, d1.value, d2.value;',
-            ['key1', 'a', 'key2', 'b', 'key3', 'c'],
-            ["key1", "key2", "key3"], None, ["a", "b", "c"])
-
-    def test__format_range_query_no_end(self):
-        self.assertFormatRangeQueryEquals(
-            'SELECT d.doc_id, d.doc_rev, d.content, count(c.doc_rev) FROM '
-            'document d, document_fields d0, document_fields d1, '
-            'document_fields d2 LEFT OUTER JOIN conflicts c ON c.doc_id = '
-            'd.doc_id WHERE d.doc_id = d0.doc_id AND d0.field_name = ? AND '
-            'd0.value >= ? AND d.doc_id = d1.doc_id AND d1.field_name = ? AND '
-            'd1.value >= ? AND d.doc_id = d2.doc_id AND d2.field_name = ? AND '
-            'd2.value >= ? GROUP BY d.doc_id, d.doc_rev, d.content ORDER BY '
-            'd0.value, d1.value, d2.value;',
-            ['key1', 'a', 'key2', 'b', 'key3', 'c'],
-            ["key1", "key2", "key3"], ["a", "b", "c"], None)
-
-    def test__format_range_query_wildcard(self):
-        self.assertFormatRangeQueryEquals(
-            'SELECT d.doc_id, d.doc_rev, d.content, count(c.doc_rev) FROM '
-            'document d, document_fields d0, document_fields d1, '
-            'document_fields d2 LEFT OUTER JOIN conflicts c ON c.doc_id = '
-            'd.doc_id WHERE d.doc_id = d0.doc_id AND d0.field_name = ? AND '
-            'd0.value >= ? AND d.doc_id = d1.doc_id AND d1.field_name = ? AND '
-            'd1.value >= ? AND d.doc_id = d2.doc_id AND d2.field_name = ? AND '
-            'd2.value NOT NULL AND d.doc_id = d0.doc_id AND d0.field_name = ? '
-            'AND d0.value <= ? AND d.doc_id = d1.doc_id AND d1.field_name = ? '
-            'AND (d1.value < ? OR d1.value GLOB ?) AND d.doc_id = d2.doc_id '
-            'AND d2.field_name = ? AND d2.value NOT NULL GROUP BY d.doc_id, '
-            'd.doc_rev, d.content ORDER BY d0.value, d1.value, d2.value;',
-            ['key1', 'a', 'key2', 'b', 'key3', 'key1', 'p', 'key2', 'q', 'q*',
-             'key3'],
-            ["key1", "key2", "key3"], ["a", "b*", "*"], ["p", "q*", "*"])
-
-
-# -----------------------------------------------------------------------------
-# The following tests come from `u1db.tests.test_open`.
-# -----------------------------------------------------------------------------
-
-
-class SQLCipherOpen(test_open.TestU1DBOpen):
-
-    def test_open_no_create(self):
-        self.assertRaises(errors.DatabaseDoesNotExist,
-                          sqlcipher_open, self.db_path,
-                          PASSWORD,
-                          create=False)
-        self.assertFalse(os.path.exists(self.db_path))
-
-    def test_open_create(self):
-        db = sqlcipher_open(self.db_path, PASSWORD, create=True)
-        self.addCleanup(db.close)
-        self.assertTrue(os.path.exists(self.db_path))
-        self.assertIsInstance(db, SQLCipherDatabase)
-
-    def test_open_with_factory(self):
-        db = sqlcipher_open(self.db_path, PASSWORD, create=True,
-                            document_factory=SoledadDocument)
-        self.addCleanup(db.close)
-        doc = db.create_doc({})
-        self.assertTrue(isinstance(doc, SoledadDocument))
-
-    def test_open_existing(self):
-        db = sqlcipher_open(self.db_path, PASSWORD)
-        self.addCleanup(db.close)
-        doc = db.create_doc_from_json(tests.simple_doc)
-        # Even though create=True, we shouldn't wipe the db
-        db2 = sqlcipher_open(self.db_path, PASSWORD, create=True)
-        self.addCleanup(db2.close)
-        doc2 = db2.get_doc(doc.doc_id)
-        self.assertEqual(doc, doc2)
-
-    def test_open_existing_no_create(self):
-        db = sqlcipher_open(self.db_path, PASSWORD)
-        self.addCleanup(db.close)
-        db2 = sqlcipher_open(self.db_path, PASSWORD, create=False)
-        self.addCleanup(db2.close)
-        self.assertIsInstance(db2, SQLCipherDatabase)
-
-
-# -----------------------------------------------------------------------------
-# Tests for actual encryption of the database
-# -----------------------------------------------------------------------------
-
-class SQLCipherEncryptionTests(BaseSoledadTest):
-
-    """
-    Tests to guarantee SQLCipher is indeed encrypting data when storing.
-    """
-
-    def _delete_dbfiles(self):
-        for dbfile in [self.DB_FILE]:
-            if os.path.exists(dbfile):
-                os.unlink(dbfile)
-
-    def setUp(self):
-        # the following come from BaseLeapTest.setUpClass, because
-        # twisted.trial doesn't support such class methods for setting up
-        # test classes.
-        self.old_path = os.environ['PATH']
-        self.old_home = os.environ['HOME']
-        self.tempdir = tempfile.mkdtemp(prefix="leap_tests-")
-        self.home = self.tempdir
-        bin_tdir = os.path.join(
-            self.tempdir,
-            'bin')
-        os.environ["PATH"] = bin_tdir
-        os.environ["HOME"] = self.tempdir
-        # this is our own stuff
-        self.DB_FILE = os.path.join(self.tempdir, 'test.db')
-        self._delete_dbfiles()
-
-    def tearDown(self):
-        self._delete_dbfiles()
-        # the following come from BaseLeapTest.tearDownClass, because
-        # twisted.trial doesn't support such class methods for tearing down
-        # test classes.
-        os.environ["PATH"] = self.old_path
-        os.environ["HOME"] = self.old_home
-        # safety check! please do not wipe my home...
-        # XXX needs to adapt to non-linuces
-        soledad_assert(
-            self.tempdir.startswith('/tmp/leap_tests-') or
-            self.tempdir.startswith('/var/folder'),
-            "beware! tried to remove a dir which does not "
-            "live in temporal folder!")
-        shutil.rmtree(self.tempdir)
-
-    def test_try_to_open_encrypted_db_with_sqlite_backend(self):
-        """
-        SQLite backend should not succeed to open SQLCipher databases.
-        """
-        db = sqlcipher_open(self.DB_FILE, PASSWORD)
-        doc = db.create_doc_from_json(tests.simple_doc)
-        db.close()
-        try:
-            # trying to open an encrypted database with the regular u1db
-            # backend should raise a DatabaseError exception.
-            SQLitePartialExpandDatabase(self.DB_FILE,
-                                        document_factory=SoledadDocument)
-            raise DatabaseIsNotEncrypted()
-        except dbapi2.DatabaseError:
-            # at this point we know that the regular U1DB sqlcipher backend
-            # did not succeed on opening the database, so it was indeed
-            # encrypted.
-            db = sqlcipher_open(self.DB_FILE, PASSWORD)
-            doc = db.get_doc(doc.doc_id)
-            self.assertEqual(tests.simple_doc, doc.get_json(),
-                             'decrypted content mismatch')
-            db.close()
-
-    def test_try_to_open_raw_db_with_sqlcipher_backend(self):
-        """
-        SQLCipher backend should not succeed to open unencrypted databases.
-        """
-        db = SQLitePartialExpandDatabase(self.DB_FILE,
-                                         document_factory=SoledadDocument)
-        db.create_doc_from_json(tests.simple_doc)
-        db.close()
-        try:
-            # trying to open the a non-encrypted database with sqlcipher
-            # backend should raise a DatabaseIsNotEncrypted exception.
-            db = sqlcipher_open(self.DB_FILE, PASSWORD)
-            db.close()
-            raise dbapi2.DatabaseError(
-                "SQLCipher backend should not be able to open non-encrypted "
-                "dbs.")
-        except DatabaseIsNotEncrypted:
-            pass