Refactor test files.

4 files changed, 780 insertions, 284 deletions

diff --git a/tests/__init__.py b/tests/__init__.py
index b6585755..e69de29b 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,284 +0,0 @@
-try:
-    import simplejson as json
-except ImportError:
-    import json  # noqa
-
-import unittest
-import os
-
-import u1db
-from soledad import (
-    GPGWrapper,
-    SimpleLog,
-    TransactionLog,
-    SyncLog,
-  )
-from soledad.backends import leap
-
-
-class EncryptedSyncTestCase(unittest.TestCase):
-
-    PREFIX     = "/var/tmp"
-    GNUPG_HOME = "%s/gnupg" % PREFIX
-    DB1_FILE   = "%s/db1.u1db" % PREFIX
-    DB2_FILE   = "%s/db2.u1db" % PREFIX
-
-    def setUp(self):
-        self.db1 = u1db.open(self.DB1_FILE, create=True,
-                             document_factory=leap.LeapDocument)
-        self.db2 = u1db.open(self.DB2_FILE, create=True,
-                             document_factory=leap.LeapDocument)
-        self.gpg = GPGWrapper(gpghome=self.GNUPG_HOME)
-        self.gpg.import_keys(PUBLIC_KEY)
-        self.gpg.import_keys(PRIVATE_KEY)
-
-    def tearDown(self):
-        os.unlink(self.DB1_FILE)
-        os.unlink(self.DB2_FILE)
-
-    def test_get_set_encrypted(self):
-        doc1 = leap.LeapDocument(gpg_wrapper = self.gpg,
-                                 default_key = KEY_FINGERPRINT)
-        doc1.content = { 'key' : 'val' }
-        doc2 = leap.LeapDocument(doc_id=doc1.doc_id,
-                                 encrypted_json=doc1.get_encrypted_json(),
-                                 gpg_wrapper=self.gpg,
-                                 default_key = KEY_FINGERPRINT)
-        res1 = doc1.get_json()
-        res2 = doc2.get_json()
-        self.assertEqual(res1, res2, 'incorrect document encryption')
-
-
-class LogTestCase(unittest.TestCase):
-
-
-    def test_transaction_log(self):
-        data = [
-          (2, "doc_3", "tran_3"),
-          (3, "doc_2", "tran_2"),
-          (1, "doc_1", "tran_1")
-        ]
-        log = TransactionLog()
-        log.log = data
-        self.assertEqual(log.get_generation(), 3, 'error getting generation')
-        self.assertEqual(log.get_generation_info(), (3, 'tran_2'),
-                         'error getting generation info')
-        self.assertEqual(log.get_trans_id_for_gen(1), 'tran_1',
-                         'error getting trans_id for gen')
-        self.assertEqual(log.get_trans_id_for_gen(2), 'tran_3',
-                         'error getting trans_id for gen')
-        self.assertEqual(log.get_trans_id_for_gen(3), 'tran_2',
-                         'error getting trans_id for gen')
-
-    def test_sync_log(self):
-        data = [
-          ("replica_3", 3, "tran_3"),
-          ("replica_2", 2, "tran_2"),
-          ("replica_1", 1, "tran_1")
-        ]
-        log = SyncLog()
-        log.log = data
-        # test getting
-        self.assertEqual(log.get_replica_gen_and_trans_id('replica_3'),
-            (3, 'tran_3'), 'error getting replica gen and trans id')
-        self.assertEqual(log.get_replica_gen_and_trans_id('replica_2'),
-            (2, 'tran_2'), 'error getting replica gen and trans id')
-        self.assertEqual(log.get_replica_gen_and_trans_id('replica_1'),
-            (1, 'tran_1'), 'error getting replica gen and trans id')
-        # test setting
-        log.set_replica_gen_and_trans_id('replica_1', 2, 'tran_12')
-        self.assertEqual(len(log._log), 3, 'error in log size after setting')
-        self.assertEqual(log.get_replica_gen_and_trans_id('replica_1'),
-            (2, 'tran_12'), 'error setting replica gen and trans id')
-        self.assertEqual(log.get_replica_gen_and_trans_id('replica_2'),
-            (2, 'tran_2'), 'error setting replica gen and trans id')
-        self.assertEqual(log.get_replica_gen_and_trans_id('replica_3'),
-            (3, 'tran_3'), 'error setting replica gen and trans id')
-
-    def test_whats_changed(self):
-        data = [
-          (2, "doc_3", "tran_3"),
-          (3, "doc_2", "tran_2"),
-          (1, "doc_1", "tran_1")
-        ]
-        log = TransactionLog()
-        log.log = data
-        self.assertEqual(
-          log.whats_changed(3),
-          (3, "tran_2", []),
-          'error getting whats changed.')
-        self.assertEqual(
-          log.whats_changed(2),
-          (3, "tran_2", [("doc_2",3,"tran_2")]),
-          'error getting whats changed.')
-        self.assertEqual(
-          log.whats_changed(1),
-          (3, "tran_2", [("doc_3",2,"tran_3"),("doc_2",3,"tran_2")]),
-          'error getting whats changed.')
-
-
-# Key material for testing
-KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF"
-PUBLIC_KEY = """
------BEGIN PGP PUBLIC KEY BLOCK-----
-Version: GnuPG v1.4.10 (GNU/Linux)
-
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-=MuOY
------END PGP PUBLIC KEY BLOCK-----
-"""
-PRIVATE_KEY = """
------BEGIN PGP PRIVATE KEY BLOCK-----
-Version: GnuPG v1.4.10 (GNU/Linux)
-
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-RZXoH+FTg9UAW87eqU610npOkT6cRaBxaMK/mDtGNdc=
-=JTFu
------END PGP PRIVATE KEY BLOCK-----
-"""
-
-if __name__ == '__main__':
-    unittest.main()
diff --git a/tests/test_encrypted.py b/tests/test_encrypted.py
new file mode 100644
index 00000000..2333fc41
--- /dev/null
+++ b/tests/test_encrypted.py
@@ -0,0 +1,211 @@
+try:
+    import simplejson as json
+except ImportError:
+    import json  # noqa
+
+import unittest2 as unittest
+import os
+
+import u1db
+from soledad import GPGWrapper
+from soledad.backends.leap import LeapDocument
+
+
+class EncryptedSyncTestCase(unittest.TestCase):
+
+    PREFIX     = "/var/tmp"
+    GNUPG_HOME = "%s/gnupg" % PREFIX
+    DB1_FILE   = "%s/db1.u1db" % PREFIX
+    DB2_FILE   = "%s/db2.u1db" % PREFIX
+
+    def setUp(self):
+        self.db1 = u1db.open(self.DB1_FILE, create=True,
+                             document_factory=LeapDocument)
+        self.db2 = u1db.open(self.DB2_FILE, create=True,
+                             document_factory=LeapDocument)
+        self.gpg = GPGWrapper(gpghome=self.GNUPG_HOME)
+        self.gpg.import_keys(PUBLIC_KEY)
+        self.gpg.import_keys(PRIVATE_KEY)
+
+    def tearDown(self):
+        os.unlink(self.DB1_FILE)
+        os.unlink(self.DB2_FILE)
+
+    def test_get_set_encrypted(self):
+        doc1 = LeapDocument(gpg_wrapper = self.gpg,
+                                 default_key = KEY_FINGERPRINT)
+        doc1.content = { 'key' : 'val' }
+        doc2 = LeapDocument(doc_id=doc1.doc_id,
+                                 encrypted_json=doc1.get_encrypted_json(),
+                                 gpg_wrapper=self.gpg,
+                                 default_key = KEY_FINGERPRINT)
+        res1 = doc1.get_json()
+        res2 = doc2.get_json()
+        self.assertEqual(res1, res2, 'incorrect document encryption')
+
+
+# Key material for testing
+KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF"
+PUBLIC_KEY = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
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+=MuOY
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+PRIVATE_KEY = """
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
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+tEAAd8fjKdJ6LnD5wb92SPHfQfXqI84rFEO8rUNIE/1ErT6DYifDzVCbfD2KZdoF
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+OwnATy0LmSMAWOw5rKbsh5nfwCiUTM20xp0t5JeXd+wPVWbpWqI2EnkCEN+RJr9i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+=JTFu
+-----END PGP PRIVATE KEY BLOCK-----
+"""
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/tests/test_logs.py b/tests/test_logs.py
new file mode 100644
index 00000000..a68e0262
--- /dev/null
+++ b/tests/test_logs.py
@@ -0,0 +1,75 @@
+import unittest2 as unittest
+from soledad import TransactionLog, SyncLog
+
+
+class LogTestCase(unittest.TestCase):
+
+
+    def test_transaction_log(self):
+        data = [
+          (2, "doc_3", "tran_3"),
+          (3, "doc_2", "tran_2"),
+          (1, "doc_1", "tran_1")
+        ]
+        log = TransactionLog()
+        log.log = data
+        self.assertEqual(log.get_generation(), 3, 'error getting generation')
+        self.assertEqual(log.get_generation_info(), (3, 'tran_2'),
+                         'error getting generation info')
+        self.assertEqual(log.get_trans_id_for_gen(1), 'tran_1',
+                         'error getting trans_id for gen')
+        self.assertEqual(log.get_trans_id_for_gen(2), 'tran_3',
+                         'error getting trans_id for gen')
+        self.assertEqual(log.get_trans_id_for_gen(3), 'tran_2',
+                         'error getting trans_id for gen')
+
+    def test_sync_log(self):
+        data = [
+          ("replica_3", 3, "tran_3"),
+          ("replica_2", 2, "tran_2"),
+          ("replica_1", 1, "tran_1")
+        ]
+        log = SyncLog()
+        log.log = data
+        # test getting
+        self.assertEqual(log.get_replica_gen_and_trans_id('replica_3'),
+            (3, 'tran_3'), 'error getting replica gen and trans id')
+        self.assertEqual(log.get_replica_gen_and_trans_id('replica_2'),
+            (2, 'tran_2'), 'error getting replica gen and trans id')
+        self.assertEqual(log.get_replica_gen_and_trans_id('replica_1'),
+            (1, 'tran_1'), 'error getting replica gen and trans id')
+        # test setting
+        log.set_replica_gen_and_trans_id('replica_1', 2, 'tran_12')
+        self.assertEqual(len(log._log), 3, 'error in log size after setting')
+        self.assertEqual(log.get_replica_gen_and_trans_id('replica_1'),
+            (2, 'tran_12'), 'error setting replica gen and trans id')
+        self.assertEqual(log.get_replica_gen_and_trans_id('replica_2'),
+            (2, 'tran_2'), 'error setting replica gen and trans id')
+        self.assertEqual(log.get_replica_gen_and_trans_id('replica_3'),
+            (3, 'tran_3'), 'error setting replica gen and trans id')
+
+    def test_whats_changed(self):
+        data = [
+          (2, "doc_3", "tran_3"),
+          (3, "doc_2", "tran_2"),
+          (1, "doc_1", "tran_1")
+        ]
+        log = TransactionLog()
+        log.log = data
+        self.assertEqual(
+          log.whats_changed(3),
+          (3, "tran_2", []),
+          'error getting whats changed.')
+        self.assertEqual(
+          log.whats_changed(2),
+          (3, "tran_2", [("doc_2",3,"tran_2")]),
+          'error getting whats changed.')
+        self.assertEqual(
+          log.whats_changed(1),
+          (3, "tran_2", [("doc_3",2,"tran_3"),("doc_2",3,"tran_2")]),
+          'error getting whats changed.')
+
+
+if __name__ == '__main__':
+    unittest.main()
+
diff --git a/tests/test_sqlcipher.py b/tests/test_sqlcipher.py
new file mode 100644
index 00000000..46f27f73
--- /dev/null
+++ b/tests/test_sqlcipher.py
@@ -0,0 +1,494 @@
+# Copyright 2011 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/>.
+
+"""Test sqlite backend internals."""
+
+import os
+import time
+import threading
+
+from sqlite3 import dbapi2
+
+from u1db import (
+    errors,
+    tests,
+    query_parser,
+    )
+from u1db.backends import sqlite_backend
+from u1db.tests.test_backends import TestAlternativeDocument
+
+
+simple_doc = '{"key": "value"}'
+nested_doc = '{"key": "value", "sub": {"doc": "underneath"}}'
+
+
+class TestSQLiteDatabase(tests.TestCase):
+
+    def test_atomic_initialize(self):
+        tmpdir = self.createTempDir()
+        dbname = os.path.join(tmpdir, 'atomic.db')
+
+        t2 = None  # will be a thread
+
+        class SQLiteDatabaseTesting(sqlite_backend.SQLiteDatabase):
+            _index_storage_value = "testing"
+
+            def __init__(self, dbname, ntry):
+                self._try = ntry
+                self._is_initialized_invocations = 0
+                super(SQLiteDatabaseTesting, self).__init__(dbname)
+
+            def _is_initialized(self, c):
+                res = super(SQLiteDatabaseTesting, self)._is_initialized(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
+
+        outcome2 = []
+
+        def second_try():
+            try:
+                db2 = SQLiteDatabaseTesting(dbname, 2)
+            except Exception, e:
+                outcome2.append(e)
+            else:
+                outcome2.append(db2)
+
+        t2 = threading.Thread(target=second_try)
+        db1 = SQLiteDatabaseTesting(dbname, 1)
+        t2.join()
+
+        self.assertIsInstance(outcome2[0], SQLiteDatabaseTesting)
+        db2 = outcome2[0]
+        self.assertTrue(db2._is_initialized(db1._get_sqlite_handle().cursor()))
+
+
+class TestSQLitePartialExpandDatabase(tests.TestCase):
+
+    def setUp(self):
+        super(TestSQLitePartialExpandDatabase, self).setUp()
+        self.db = sqlite_backend.SQLitePartialExpandDatabase(':memory:')
+        self.db._set_replica_uid('test')
+
+    def test_create_database(self):
+        raw_db = self.db._get_sqlite_handle()
+        self.assertNotEqual(None, raw_db)
+
+    def test_default_replica_uid(self):
+        self.db = sqlite_backend.SQLitePartialExpandDatabase(':memory:')
+        self.assertIsNot(None, self.db._replica_uid)
+        self.assertEqual(32, len(self.db._replica_uid))
+        int(self.db._replica_uid, 16)
+
+    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_create_database_initializes_schema(self):
+        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()])
+        self.assertEqual({'sql_schema': '0', 'replica_uid': 'test',
+                          'index_storage': 'expand referenced'}, config)
+
+        # These tables must exist, though we don't care what is in them yet
+        c.execute("SELECT * FROM transaction_log")
+        c.execute("SELECT * FROM document")
+        c.execute("SELECT * FROM document_fields")
+        c.execute("SELECT * FROM sync_log")
+        c.execute("SELECT * FROM conflicts")
+        c.execute("SELECT * FROM index_definitions")
+
+    def test__parse_index(self):
+        self.db = sqlite_backend.SQLitePartialExpandDatabase(':memory:')
+        g = self.db._parse_index_definition('fieldname')
+        self.assertIsInstance(g, query_parser.ExtractField)
+        self.assertEqual(['fieldname'], g.field)
+
+    def test__update_indexes(self):
+        self.db = sqlite_backend.SQLitePartialExpandDatabase(':memory:')
+        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__set_replica_uid(self):
+        # Start from scratch, so that replica_uid isn't set.
+        self.db = sqlite_backend.SQLitePartialExpandDatabase(':memory:')
+        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__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(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(
+            sqlite_backend.SQLitePartialExpandDatabase):
+
+            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(self):
+        temp_dir = self.createTempDir(prefix='u1db-test-')
+        path = temp_dir + '/test.sqlite'
+        sqlite_backend.SQLitePartialExpandDatabase(path)
+        db2 = sqlite_backend.SQLiteDatabase._open_database(path)
+        self.assertIsInstance(db2, sqlite_backend.SQLitePartialExpandDatabase)
+
+    def test__open_database_with_factory(self):
+        temp_dir = self.createTempDir(prefix='u1db-test-')
+        path = temp_dir + '/test.sqlite'
+        sqlite_backend.SQLitePartialExpandDatabase(path)
+        db2 = sqlite_backend.SQLiteDatabase._open_database(
+            path, document_factory=TestAlternativeDocument)
+        self.assertEqual(TestAlternativeDocument, db2._factory)
+
+    def test__open_database_non_existent(self):
+        temp_dir = self.createTempDir(prefix='u1db-test-')
+        path = temp_dir + '/non-existent.sqlite'
+        self.assertRaises(errors.DatabaseDoesNotExist,
+                         sqlite_backend.SQLiteDatabase._open_database, path)
+
+    def test__open_database_during_init(self):
+        temp_dir = self.createTempDir(prefix='u1db-test-')
+        path = temp_dir + '/initialised.db'
+        db = sqlite_backend.SQLitePartialExpandDatabase.__new__(
+                                    sqlite_backend.SQLitePartialExpandDatabase)
+        db._db_handle = dbapi2.connect(path)  # db is there but not yet init-ed
+        self.addCleanup(db.close)
+        observed = []
+
+        class SQLiteDatabaseTesting(sqlite_backend.SQLiteDatabase):
+            WAIT_FOR_PARALLEL_INIT_HALF_INTERVAL = 0.1
+
+            @classmethod
+            def _which_index_storage(cls, c):
+                res = super(SQLiteDatabaseTesting, cls)._which_index_storage(c)
+                db._ensure_schema()  # init db
+                observed.append(res[0])
+                return res
+
+        db2 = SQLiteDatabaseTesting._open_database(path)
+        self.addCleanup(db2.close)
+        self.assertIsInstance(db2, sqlite_backend.SQLitePartialExpandDatabase)
+        self.assertEqual([None,
+              sqlite_backend.SQLitePartialExpandDatabase._index_storage_value],
+                         observed)
+
+    def test__open_database_invalid(self):
+        class SQLiteDatabaseTesting(sqlite_backend.SQLiteDatabase):
+            WAIT_FOR_PARALLEL_INIT_HALF_INTERVAL = 0.1
+        temp_dir = self.createTempDir(prefix='u1db-test-')
+        path1 = temp_dir + '/invalid1.db'
+        with open(path1, 'wb') as f:
+            f.write("")
+        self.assertRaises(dbapi2.OperationalError,
+                          SQLiteDatabaseTesting._open_database, path1)
+        with open(path1, 'wb') as f:
+            f.write("invalid")
+        self.assertRaises(dbapi2.DatabaseError,
+                          SQLiteDatabaseTesting._open_database, path1)
+
+    def test_open_database_existing(self):
+        temp_dir = self.createTempDir(prefix='u1db-test-')
+        path = temp_dir + '/existing.sqlite'
+        sqlite_backend.SQLitePartialExpandDatabase(path)
+        db2 = sqlite_backend.SQLiteDatabase.open_database(path, create=False)
+        self.assertIsInstance(db2, sqlite_backend.SQLitePartialExpandDatabase)
+
+    def test_open_database_with_factory(self):
+        temp_dir = self.createTempDir(prefix='u1db-test-')
+        path = temp_dir + '/existing.sqlite'
+        sqlite_backend.SQLitePartialExpandDatabase(path)
+        db2 = sqlite_backend.SQLiteDatabase.open_database(
+            path, create=False, document_factory=TestAlternativeDocument)
+        self.assertEqual(TestAlternativeDocument, db2._factory)
+
+    def test_open_database_create(self):
+        temp_dir = self.createTempDir(prefix='u1db-test-')
+        path = temp_dir + '/new.sqlite'
+        sqlite_backend.SQLiteDatabase.open_database(path, create=True)
+        db2 = sqlite_backend.SQLiteDatabase.open_database(path, create=False)
+        self.assertIsInstance(db2, sqlite_backend.SQLitePartialExpandDatabase)
+
+    def test_open_database_non_existent(self):
+        temp_dir = self.createTempDir(prefix='u1db-test-')
+        path = temp_dir + '/non-existent.sqlite'
+        self.assertRaises(errors.DatabaseDoesNotExist,
+                          sqlite_backend.SQLiteDatabase.open_database, path,
+                          create=False)
+
+    def test_delete_database_existent(self):
+        temp_dir = self.createTempDir(prefix='u1db-test-')
+        path = temp_dir + '/new.sqlite'
+        db = sqlite_backend.SQLiteDatabase.open_database(path, create=True)
+        db.close()
+        sqlite_backend.SQLiteDatabase.delete_database(path)
+        self.assertRaises(errors.DatabaseDoesNotExist,
+                          sqlite_backend.SQLiteDatabase.open_database, path,
+                          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,
+                          sqlite_backend.SQLiteDatabase.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*", "*"])
+