diff --git a/synapse/api/events/__init__.py b/synapse/api/events/__init__.py
index a9991e9c9..0cee19685 100644
--- a/synapse/api/events/__init__.py
+++ b/synapse/api/events/__init__.py
@@ -156,7 +156,8 @@ class SynapseEvent(JsonEncodedObject):
                     return "Missing %s key" % key
 
                 if type(content[key]) != type(template[key]):
-                    return "Key %s is of the wrong type." % key
+                    return "Key %s is of the wrong type (got %s, want %s)" % (
+                        key, type(content[key]), type(template[key]))
 
                 if type(content[key]) == dict:
                     # we must go deeper
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index d675d8c8f..2f1b95490 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.storage import read_schema
+from synapse.storage import prepare_database
 
 from synapse.server import HomeServer
 
@@ -36,30 +36,14 @@ from daemonize import Daemonize
 import twisted.manhole.telnet
 
 import logging
-import sqlite3
 import os
 import re
 import sys
+import sqlite3
 
 logger = logging.getLogger(__name__)
 
 
-SCHEMAS = [
-    "transactions",
-    "pdu",
-    "users",
-    "profiles",
-    "presence",
-    "im",
-    "room_aliases",
-]
-
-
-# Remember to update this number every time an incompatible change is made to
-# database schema files, so the users will be informed on server restarts.
-SCHEMA_VERSION = 3
-
-
 class SynapseHomeServer(HomeServer):
 
     def build_http_client(self):
@@ -80,52 +64,12 @@ class SynapseHomeServer(HomeServer):
         )
 
     def build_db_pool(self):
-        """ Set up all the dbs. Since all the *.sql have IF NOT EXISTS, so we
-        don't have to worry about overwriting existing content.
-        """
-        logging.info("Preparing database: %s...", self.db_name)
-
-        with sqlite3.connect(self.db_name) as db_conn:
-            c = db_conn.cursor()
-            c.execute("PRAGMA user_version")
-            row = c.fetchone()
-
-            if row and row[0]:
-                user_version = row[0]
-
-                if user_version > SCHEMA_VERSION:
-                    raise ValueError("Cannot use this database as it is too " +
-                        "new for the server to understand"
-                    )
-                elif user_version < SCHEMA_VERSION:
-                    logging.info("Upgrading database from version %d",
-                        user_version
-                    )
-
-                    # Run every version since after the current version.
-                    for v in range(user_version + 1, SCHEMA_VERSION + 1):
-                        sql_script = read_schema("delta/v%d" % (v))
-                        c.executescript(sql_script)
-
-                    db_conn.commit()
-
-            else:
-                for sql_loc in SCHEMAS:
-                    sql_script = read_schema(sql_loc)
-
-                    c.executescript(sql_script)
-                db_conn.commit()
-                c.execute("PRAGMA user_version = %d" % SCHEMA_VERSION)
-
-            c.close()
-
-        logging.info("Database prepared in %s.", self.db_name)
-
-        pool = adbapi.ConnectionPool(
-            'sqlite3', self.db_name, check_same_thread=False,
-            cp_min=1, cp_max=1)
-
-        return pool
+        return adbapi.ConnectionPool(
+            "sqlite3", self.get_db_name(),
+            check_same_thread=False,
+            cp_min=1,
+            cp_max=1
+        )
 
     def create_resource_tree(self, web_client, redirect_root_to_web_client):
         """Create the resource tree for this Home Server.
@@ -230,10 +174,6 @@ class SynapseHomeServer(HomeServer):
             logger.info("Synapse now listening on port %d", unsecure_port)
 
 
-def run():
-    reactor.run()
-
-
 def setup():
     config = HomeServerConfig.load_config(
         "Synapse Homeserver",
@@ -268,7 +208,15 @@ def setup():
         web_client=config.webclient,
         redirect_root_to_web_client=True,
     )
-    hs.start_listening(config.bind_port, config.unsecure_port)
+
+    db_name = hs.get_db_name()
+
+    logging.info("Preparing database: %s...", db_name)
+
+    with sqlite3.connect(db_name) as db_conn:
+        prepare_database(db_conn)
+
+    logging.info("Database prepared in %s.", db_name)
 
     hs.get_db_pool()
 
@@ -279,12 +227,14 @@ def setup():
         f.namespace['hs'] = hs
         reactor.listenTCP(config.manhole, f, interface='127.0.0.1')
 
+    hs.start_listening(config.bind_port, config.unsecure_port)
+
     if config.daemonize:
         print config.pid_file
         daemon = Daemonize(
             app="synapse-homeserver",
             pid=config.pid_file,
-            action=run,
+            action=reactor.run,
             auto_close_fds=False,
             verbose=True,
             logger=logger,
@@ -292,7 +242,7 @@ def setup():
 
         daemon.start()
     else:
-        run()
+        reactor.run()
 
 
 if __name__ == '__main__':
diff --git a/synapse/server.py b/synapse/server.py
index 7c185537a..cdea49e6a 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -58,6 +58,7 @@ class BaseHomeServer(object):
     DEPENDENCIES = [
         'clock',
         'http_client',
+        'db_name',
         'db_pool',
         'persistence_service',
         'replication_layer',
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 1cede2809..66658f672 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -47,6 +47,23 @@ import os
 
 logger = logging.getLogger(__name__)
 
+
+SCHEMAS = [
+    "transactions",
+    "pdu",
+    "users",
+    "profiles",
+    "presence",
+    "im",
+    "room_aliases",
+]
+
+
+# Remember to update this number every time an incompatible change is made to
+# database schema files, so the users will be informed on server restarts.
+SCHEMA_VERSION = 3
+
+
 class _RollbackButIsFineException(Exception):
     """ This exception is used to rollback a transaction without implying
     something went wrong.
@@ -78,7 +95,7 @@ class DataStore(RoomMemberStore, RoomStore,
             stream_ordering = self.min_token
 
         try:
-            yield self._db_pool.runInteraction(
+            yield self.runInteraction(
                 self._persist_pdu_event_txn,
                 pdu=pdu,
                 event=event,
@@ -291,7 +308,7 @@ class DataStore(RoomMemberStore, RoomStore,
                 prev_state_pdu=prev_state_pdu,
             )
 
-        return self._db_pool.runInteraction(_snapshot)
+        return self.runInteraction(_snapshot)
 
 
 class Snapshot(object):
@@ -361,3 +378,42 @@ def read_schema(schema):
     """
     with open(schema_path(schema)) as schema_file:
         return schema_file.read()
+
+
+def prepare_database(db_conn):
+    """ Set up all the dbs. Since all the *.sql have IF NOT EXISTS, so we
+    don't have to worry about overwriting existing content.
+    """
+    c = db_conn.cursor()
+    c.execute("PRAGMA user_version")
+    row = c.fetchone()
+
+    if row and row[0]:
+        user_version = row[0]
+
+        if user_version > SCHEMA_VERSION:
+            raise ValueError("Cannot use this database as it is too " +
+                "new for the server to understand"
+            )
+        elif user_version < SCHEMA_VERSION:
+            logging.info("Upgrading database from version %d",
+                user_version
+            )
+
+            # Run every version since after the current version.
+            for v in range(user_version + 1, SCHEMA_VERSION + 1):
+                sql_script = read_schema("delta/v%d" % (v))
+                c.executescript(sql_script)
+
+            db_conn.commit()
+
+    else:
+        for sql_loc in SCHEMAS:
+            sql_script = read_schema(sql_loc)
+
+            c.executescript(sql_script)
+        db_conn.commit()
+        c.execute("PRAGMA user_version = %d" % SCHEMA_VERSION)
+
+    c.close()
+
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index cf88bfc22..76ed7d06f 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -26,6 +26,44 @@ import json
 
 logger = logging.getLogger(__name__)
 
+sql_logger = logging.getLogger("synapse.storage.SQL")
+
+
+class LoggingTransaction(object):
+    """An object that almost-transparently proxies for the 'txn' object
+    passed to the constructor. Adds logging to the .execute() method."""
+    __slots__ = ["txn"]
+
+    def __init__(self, txn):
+        object.__setattr__(self, "txn", txn)
+
+    def __getattribute__(self, name):
+        if name == "execute":
+            return object.__getattribute__(self, "execute")
+
+        return getattr(object.__getattribute__(self, "txn"), name)
+
+    def __setattr__(self, name, value):
+        setattr(object.__getattribute__(self, "txn"), name, value)
+
+    def execute(self, sql, *args, **kwargs):
+        # TODO(paul): Maybe use 'info' and 'debug' for values?
+        sql_logger.debug("[SQL] %s", sql)
+        try:
+            if args and args[0]:
+                values = args[0]
+                sql_logger.debug("[SQL values] " +
+                    ", ".join(("<%s>",) * len(values)), *values)
+        except:
+            # Don't let logging failures stop SQL from working
+            pass
+
+        # TODO(paul): Here would be an excellent place to put some timing
+        #   measurements, and log (warning?) slow queries.
+        return object.__getattribute__(self, "txn").execute(
+            sql, *args, **kwargs
+        )
+
 
 class SQLBaseStore(object):
 
@@ -35,6 +73,13 @@ class SQLBaseStore(object):
         self.event_factory = hs.get_event_factory()
         self._clock = hs.get_clock()
 
+    def runInteraction(self, func, *args, **kwargs):
+        """Wraps the .runInteraction() method on the underlying db_pool."""
+        def inner_func(txn, *args, **kwargs):
+            return func(LoggingTransaction(txn), *args, **kwargs)
+
+        return self._db_pool.runInteraction(inner_func, *args, **kwargs)
+
     def cursor_to_dict(self, cursor):
         """Converts a SQL cursor into an list of dicts.
 
@@ -60,11 +105,6 @@ class SQLBaseStore(object):
         Returns:
             The result of decoder(results)
         """
-        logger.debug(
-            "[SQL] %s  Args=%s Func=%s",
-            query, args, decoder.__name__ if decoder else None
-        )
-
         def interaction(txn):
             cursor = txn.execute(query, args)
             if decoder:
@@ -72,7 +112,7 @@ class SQLBaseStore(object):
             else:
                 return cursor.fetchall()
 
-        return self._db_pool.runInteraction(interaction)
+        return self.runInteraction(interaction)
 
     def _execute_and_decode(self, query, *args):
         return self._execute(self.cursor_to_dict, query, *args)
@@ -88,7 +128,7 @@ class SQLBaseStore(object):
             values : dict of new column names and values for them
             or_replace : bool; if True performs an INSERT OR REPLACE
         """
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._simple_insert_txn, table, values, or_replace=or_replace
         )
 
@@ -172,7 +212,7 @@ class SQLBaseStore(object):
             txn.execute(sql, keyvalues.values())
             return txn.fetchall()
 
-        res = yield self._db_pool.runInteraction(func)
+        res = yield self.runInteraction(func)
 
         defer.returnValue([r[0] for r in res])
 
@@ -195,7 +235,7 @@ class SQLBaseStore(object):
             txn.execute(sql, keyvalues.values())
             return self.cursor_to_dict(txn)
 
-        return self._db_pool.runInteraction(func)
+        return self.runInteraction(func)
 
     def _simple_update_one(self, table, keyvalues, updatevalues,
                            retcols=None):
@@ -263,7 +303,7 @@ class SQLBaseStore(object):
                     raise StoreError(500, "More than one row matched")
 
             return ret
-        return self._db_pool.runInteraction(func)
+        return self.runInteraction(func)
 
     def _simple_delete_one(self, table, keyvalues):
         """Executes a DELETE query on the named table, expecting to delete a
@@ -284,7 +324,7 @@ class SQLBaseStore(object):
                 raise StoreError(404, "No row found")
             if txn.rowcount > 1:
                 raise StoreError(500, "more than one row matched")
-        return self._db_pool.runInteraction(func)
+        return self.runInteraction(func)
 
     def _simple_max_id(self, table):
         """Executes a SELECT query on the named table, expecting to return the
@@ -302,7 +342,7 @@ class SQLBaseStore(object):
                 return 0
             return max_id
 
-        return self._db_pool.runInteraction(func)
+        return self.runInteraction(func)
 
     def _parse_event_from_row(self, row_dict):
         d = copy.deepcopy({k: v for k, v in row_dict.items() if v})
@@ -325,7 +365,7 @@ class SQLBaseStore(object):
         )
 
     def _parse_events(self, rows):
-        return self._db_pool.runInteraction(self._parse_events_txn, rows)
+        return self.runInteraction(self._parse_events_txn, rows)
 
     def _parse_events_txn(self, txn, rows):
         events = [self._parse_event_from_row(r) for r in rows]
diff --git a/synapse/storage/pdu.py b/synapse/storage/pdu.py
index 3c859fdea..d70467dcd 100644
--- a/synapse/storage/pdu.py
+++ b/synapse/storage/pdu.py
@@ -43,7 +43,7 @@ class PduStore(SQLBaseStore):
             PduTuple: If the pdu does not exist in the database, returns None
         """
 
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_pdu_tuple, pdu_id, origin
         )
 
@@ -95,7 +95,7 @@ class PduStore(SQLBaseStore):
             list: A list of PduTuples
         """
 
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_current_state_for_context,
             context
         )
@@ -143,7 +143,7 @@ class PduStore(SQLBaseStore):
             pdu_origin (str)
         """
 
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._mark_as_processed, pdu_id, pdu_origin
         )
 
@@ -152,7 +152,7 @@ class PduStore(SQLBaseStore):
 
     def get_all_pdus_from_context(self, context):
         """Get a list of all PDUs for a given context."""
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_all_pdus_from_context, context,
         )
 
@@ -179,7 +179,7 @@ class PduStore(SQLBaseStore):
         Return:
             list: A list of PduTuples
         """
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_backfill, context, pdu_list, limit
         )
 
@@ -240,7 +240,7 @@ class PduStore(SQLBaseStore):
             txn
             context (str)
         """
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_min_depth_for_context, context
         )
 
@@ -346,7 +346,7 @@ class PduStore(SQLBaseStore):
             bool
         """
 
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._is_pdu_new,
             pdu_id=pdu_id,
             origin=origin,
@@ -499,7 +499,7 @@ class StatePduStore(SQLBaseStore):
         )
 
     def get_unresolved_state_tree(self, new_state_pdu):
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_unresolved_state_tree, new_state_pdu
         )
 
@@ -538,7 +538,7 @@ class StatePduStore(SQLBaseStore):
 
     def update_current_state(self, pdu_id, origin, context, pdu_type,
                              state_key):
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._update_current_state,
             pdu_id, origin, context, pdu_type, state_key
         )
@@ -577,7 +577,7 @@ class StatePduStore(SQLBaseStore):
             PduEntry
         """
 
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_current_state_pdu, context, pdu_type, state_key
         )
 
@@ -636,7 +636,7 @@ class StatePduStore(SQLBaseStore):
         Returns:
             bool: True if the new_pdu clobbered the current state, False if not
         """
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._handle_new_state, new_pdu
         )
 
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index fd762bc64..db20b1daa 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -62,7 +62,7 @@ class RegistrationStore(SQLBaseStore):
         Raises:
             StoreError if the user_id could not be registered.
         """
-        yield self._db_pool.runInteraction(self._register, user_id, token,
+        yield self.runInteraction(self._register, user_id, token,
                                            password_hash)
 
     def _register(self, txn, user_id, token, password_hash):
@@ -99,7 +99,7 @@ class RegistrationStore(SQLBaseStore):
         Raises:
             StoreError if no user was found.
         """
-        user_id = yield self._db_pool.runInteraction(self._query_for_auth,
+        user_id = yield self.runInteraction(self._query_for_auth,
                                                      token)
         defer.returnValue(user_id)
 
diff --git a/synapse/storage/room.py b/synapse/storage/room.py
index 017169ce0..5adf8cdf1 100644
--- a/synapse/storage/room.py
+++ b/synapse/storage/room.py
@@ -149,7 +149,7 @@ class RoomStore(SQLBaseStore):
             defer.returnValue(None)
 
     def get_power_level(self, room_id, user_id):
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_power_level,
             room_id, user_id,
         )
@@ -182,7 +182,7 @@ class RoomStore(SQLBaseStore):
             return None
 
     def get_ops_levels(self, room_id):
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_ops_levels,
             room_id,
         )
diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py
index 676b2f265..04b4067d0 100644
--- a/synapse/storage/roommember.py
+++ b/synapse/storage/roommember.py
@@ -149,7 +149,7 @@ class RoomMemberStore(SQLBaseStore):
             membership_list (list): A list of synapse.api.constants.Membership
             values which the user must be in.
         Returns:
-            A list of dicts with "room_id" and "membership" keys.
+            A list of RoomMemberEvent objects
         """
         if not membership_list:
             return defer.succeed(None)
@@ -198,10 +198,11 @@ class RoomMemberStore(SQLBaseStore):
         return results
 
     @defer.inlineCallbacks
-    def user_rooms_intersect(self, user_list):
-        """ Checks whether a list of users share a room.
+    def user_rooms_intersect(self, user_id_list):
+        """ Checks whether all the users whose IDs are given in a list share a
+        room.
         """
-        user_list_clause = " OR ".join(["m.user_id = ?"] * len(user_list))
+        user_list_clause = " OR ".join(["m.user_id = ?"] * len(user_id_list))
         sql = (
             "SELECT m.room_id FROM room_memberships as m "
             "INNER JOIN current_state_events as c "
@@ -211,8 +212,8 @@ class RoomMemberStore(SQLBaseStore):
             "GROUP BY m.room_id HAVING COUNT(m.room_id) = ?"
         ) % {"clause": user_list_clause}
 
-        args = user_list
-        args.append(len(user_list))
+        args = list(user_id_list)
+        args.append(len(user_id_list))
 
         rows = yield self._execute(None, sql, *args)
 
diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py
index aff6dc985..8c766b8a0 100644
--- a/synapse/storage/stream.py
+++ b/synapse/storage/stream.py
@@ -286,7 +286,7 @@ class StreamStore(SQLBaseStore):
         defer.returnValue(ret)
 
     def get_room_events_max_id(self):
-        return self._db_pool.runInteraction(self._get_room_events_max_id_txn)
+        return self.runInteraction(self._get_room_events_max_id_txn)
 
     def _get_room_events_max_id_txn(self, txn):
         txn.execute(
diff --git a/synapse/storage/transactions.py b/synapse/storage/transactions.py
index 7467e1035..ab4599b46 100644
--- a/synapse/storage/transactions.py
+++ b/synapse/storage/transactions.py
@@ -41,7 +41,7 @@ class TransactionStore(SQLBaseStore):
             this transaction or a 2-tuple of (int, dict)
         """
 
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_received_txn_response, transaction_id, origin
         )
 
@@ -72,7 +72,7 @@ class TransactionStore(SQLBaseStore):
             response_json (str)
         """
 
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._set_received_txn_response,
             transaction_id, origin, code, response_dict
         )
@@ -104,7 +104,7 @@ class TransactionStore(SQLBaseStore):
             list: A list of previous transaction ids.
         """
 
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._prep_send_transaction,
             transaction_id, destination, ts, pdu_list
         )
@@ -159,7 +159,7 @@ class TransactionStore(SQLBaseStore):
             code (int)
             response_json (str)
         """
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._delivered_txn,
             transaction_id, destination, code, response_dict
         )
@@ -184,7 +184,7 @@ class TransactionStore(SQLBaseStore):
         Returns:
             list: A list of `ReceivedTransactionsTable.EntryType`
         """
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_transactions_after, transaction_id, destination
         )
 
@@ -214,7 +214,7 @@ class TransactionStore(SQLBaseStore):
         Returns
             list: A list of PduTuple
         """
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._get_pdus_after_transaction,
             transaction_id, destination
         )
diff --git a/tests/handlers/test_directory.py b/tests/handlers/test_directory.py
index 54d6e51f9..dd5d85dde 100644
--- a/tests/handlers/test_directory.py
+++ b/tests/handlers/test_directory.py
@@ -24,6 +24,8 @@ from synapse.http.client import HttpClient
 from synapse.handlers.directory import DirectoryHandler
 from synapse.storage.directory import RoomAliasMapping
 
+from tests.utils import SQLiteMemoryDbPool
+
 
 class DirectoryHandlers(object):
     def __init__(self, hs):
@@ -33,6 +35,7 @@ class DirectoryHandlers(object):
 class DirectoryTestCase(unittest.TestCase):
     """ Tests the directory service. """
 
+    @defer.inlineCallbacks
     def setUp(self):
         self.mock_federation = Mock(spec=[
             "make_query",
@@ -43,11 +46,11 @@ class DirectoryTestCase(unittest.TestCase):
             self.query_handlers[query_type] = handler
         self.mock_federation.register_query_handler = register_query_handler
 
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
+
         hs = HomeServer("test",
-            datastore=Mock(spec=[
-                "get_association_from_room_alias",
-                "get_joined_hosts_for_room",
-            ]),
+            db_pool=db_pool,
             http_client=None,
             resource_for_federation=Mock(),
             replication_layer=self.mock_federation,
@@ -56,20 +59,16 @@ class DirectoryTestCase(unittest.TestCase):
 
         self.handler = hs.get_handlers().directory_handler
 
-        self.datastore = hs.get_datastore()
-
-        def hosts(room_id):
-            return defer.succeed([])
-        self.datastore.get_joined_hosts_for_room.side_effect = hosts
+        self.store = hs.get_datastore()
 
         self.my_room = hs.parse_roomalias("#my-room:test")
+        self.your_room = hs.parse_roomalias("#your-room:test")
         self.remote_room = hs.parse_roomalias("#another:remote")
 
     @defer.inlineCallbacks
     def test_get_local_association(self):
-        mocked_get = self.datastore.get_association_from_room_alias
-        mocked_get.return_value = defer.succeed(
-            RoomAliasMapping("!8765qwer:test", "#my-room:test", ["test"])
+        yield self.store.create_room_alias_association(
+            self.my_room, "!8765qwer:test", ["test"]
         )
 
         result = yield self.handler.get_association(self.my_room)
@@ -102,9 +101,8 @@ class DirectoryTestCase(unittest.TestCase):
 
     @defer.inlineCallbacks
     def test_incoming_fed_query(self):
-        mocked_get = self.datastore.get_association_from_room_alias
-        mocked_get.return_value = defer.succeed(
-            RoomAliasMapping("!8765asdf:test", "#your-room:test", ["test"])
+        yield self.store.create_room_alias_association(
+            self.your_room, "!8765asdf:test", ["test"]
         )
 
         response = yield self.query_handlers["directory"](
diff --git a/tests/handlers/test_presence.py b/tests/handlers/test_presence.py
index 0cb4dfba3..765929d20 100644
--- a/tests/handlers/test_presence.py
+++ b/tests/handlers/test_presence.py
@@ -20,7 +20,9 @@ from twisted.internet import defer, reactor
 from mock import Mock, call, ANY
 import json
 
-from ..utils import MockHttpResource, MockClock, DeferredMockCallable
+from tests.utils import (
+    MockHttpResource, MockClock, DeferredMockCallable, SQLiteMemoryDbPool
+)
 
 from synapse.server import HomeServer
 from synapse.api.constants import PresenceState
@@ -60,30 +62,21 @@ class JustPresenceHandlers(object):
 class PresenceStateTestCase(unittest.TestCase):
     """ Tests presence management. """
 
+    @defer.inlineCallbacks
     def setUp(self):
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
+
         hs = HomeServer("test",
-                clock=MockClock(),
-                db_pool=None,
-                datastore=Mock(spec=[
-                    "get_presence_state",
-                    "set_presence_state",
-                    "add_presence_list_pending",
-                    "set_presence_list_accepted",
-                ]),
-                handlers=None,
-                resource_for_federation=Mock(),
-                http_client=None,
-            )
+            clock=MockClock(),
+            db_pool=db_pool,
+            handlers=None,
+            resource_for_federation=Mock(),
+            http_client=None,
+        )
         hs.handlers = JustPresenceHandlers(hs)
 
-        self.datastore = hs.get_datastore()
-
-        def is_presence_visible(observed_localpart, observer_userid):
-            allow = (observed_localpart == "apple" and
-                observer_userid == "@banana:test"
-            )
-            return defer.succeed(allow)
-        self.datastore.is_presence_visible = is_presence_visible
+        self.store = hs.get_datastore()
 
         # Mock the RoomMemberHandler
         room_member_handler = Mock(spec=[])
@@ -94,6 +87,11 @@ class PresenceStateTestCase(unittest.TestCase):
         self.u_banana = hs.parse_userid("@banana:test")
         self.u_clementine = hs.parse_userid("@clementine:test")
 
+        yield self.store.create_presence(self.u_apple.localpart)
+        yield self.store.set_presence_state(
+            self.u_apple.localpart, {"state": ONLINE, "status_msg": "Online"}
+        )
+
         self.handler = hs.get_handlers().presence_handler
 
         self.room_members = []
@@ -117,7 +115,7 @@ class PresenceStateTestCase(unittest.TestCase):
 
             shared = all(map(lambda i: i in room_member_ids, userlist))
             return defer.succeed(shared)
-        self.datastore.user_rooms_intersect = user_rooms_intersect
+        self.store.user_rooms_intersect = user_rooms_intersect
 
         self.mock_start = Mock()
         self.mock_stop = Mock()
@@ -127,11 +125,6 @@ class PresenceStateTestCase(unittest.TestCase):
 
     @defer.inlineCallbacks
     def test_get_my_state(self):
-        mocked_get = self.datastore.get_presence_state
-        mocked_get.return_value = defer.succeed(
-            {"state": ONLINE, "status_msg": "Online"}
-        )
-
         state = yield self.handler.get_state(
             target_user=self.u_apple, auth_user=self.u_apple
         )
@@ -140,13 +133,12 @@ class PresenceStateTestCase(unittest.TestCase):
             {"presence": ONLINE, "status_msg": "Online"},
             state
         )
-        mocked_get.assert_called_with("apple")
 
     @defer.inlineCallbacks
     def test_get_allowed_state(self):
-        mocked_get = self.datastore.get_presence_state
-        mocked_get.return_value = defer.succeed(
-            {"state": ONLINE, "status_msg": "Online"}
+        yield self.store.allow_presence_visible(
+            observed_localpart=self.u_apple.localpart,
+            observer_userid=self.u_banana.to_string(),
         )
 
         state = yield self.handler.get_state(
@@ -157,15 +149,9 @@ class PresenceStateTestCase(unittest.TestCase):
             {"presence": ONLINE, "status_msg": "Online"},
             state
         )
-        mocked_get.assert_called_with("apple")
 
     @defer.inlineCallbacks
     def test_get_same_room_state(self):
-        mocked_get = self.datastore.get_presence_state
-        mocked_get.return_value = defer.succeed(
-            {"state": ONLINE, "status_msg": "Online"}
-        )
-
         self.room_members = [self.u_apple, self.u_clementine]
 
         state = yield self.handler.get_state(
@@ -179,11 +165,6 @@ class PresenceStateTestCase(unittest.TestCase):
 
     @defer.inlineCallbacks
     def test_get_disallowed_state(self):
-        mocked_get = self.datastore.get_presence_state
-        mocked_get.return_value = defer.succeed(
-            {"state": ONLINE, "status_msg": "Online"}
-        )
-
         self.room_members = []
 
         yield self.assertFailure(
@@ -195,16 +176,17 @@ class PresenceStateTestCase(unittest.TestCase):
 
     @defer.inlineCallbacks
     def test_set_my_state(self):
-        mocked_set = self.datastore.set_presence_state
-        mocked_set.return_value = defer.succeed({"state": OFFLINE})
-
         yield self.handler.set_state(
                 target_user=self.u_apple, auth_user=self.u_apple,
                 state={"presence": UNAVAILABLE, "status_msg": "Away"})
 
-        mocked_set.assert_called_with("apple",
-            {"state": UNAVAILABLE, "status_msg": "Away"}
+        self.assertEquals(
+            {"state": UNAVAILABLE,
+             "status_msg": "Away",
+             "mtime": 1000000},
+            (yield self.store.get_presence_state(self.u_apple.localpart))
         )
+
         self.mock_start.assert_called_with(self.u_apple,
                 state={
                     "presence": UNAVAILABLE,
@@ -222,50 +204,34 @@ class PresenceStateTestCase(unittest.TestCase):
 class PresenceInvitesTestCase(unittest.TestCase):
     """ Tests presence management. """
 
+    @defer.inlineCallbacks
     def setUp(self):
         self.mock_http_client = Mock(spec=[])
         self.mock_http_client.put_json = DeferredMockCallable()
 
         self.mock_federation_resource = MockHttpResource()
 
-        hs = HomeServer("test",
-                clock=MockClock(),
-                db_pool=None,
-                datastore=Mock(spec=[
-                    "has_presence_state",
-                    "allow_presence_visible",
-                    "add_presence_list_pending",
-                    "set_presence_list_accepted",
-                    "get_presence_list",
-                    "del_presence_list",
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
 
-                    # Bits that Federation needs
-                    "prep_send_transaction",
-                    "delivered_txn",
-                    "get_received_txn_response",
-                    "set_received_txn_response",
-                ]),
-                handlers=None,
-                resource_for_client=Mock(),
-                resource_for_federation=self.mock_federation_resource,
-                http_client=self.mock_http_client,
-            )
+        hs = HomeServer("test",
+            clock=MockClock(),
+            db_pool=db_pool,
+            handlers=None,
+            resource_for_client=Mock(),
+            resource_for_federation=self.mock_federation_resource,
+            http_client=self.mock_http_client,
+        )
         hs.handlers = JustPresenceHandlers(hs)
 
-        self.datastore = hs.get_datastore()
-
-        def has_presence_state(user_localpart):
-            return defer.succeed(
-                user_localpart in ("apple", "banana"))
-        self.datastore.has_presence_state = has_presence_state
-
-        def get_received_txn_response(*args):
-            return defer.succeed(None)
-        self.datastore.get_received_txn_response = get_received_txn_response
+        self.store = hs.get_datastore()
 
         # Some local users to test with
         self.u_apple = hs.parse_userid("@apple:test")
         self.u_banana = hs.parse_userid("@banana:test")
+        yield self.store.create_presence(self.u_apple.localpart)
+        yield self.store.create_presence(self.u_banana.localpart)
+
         # ID of a local user that does not exist
         self.u_durian = hs.parse_userid("@durian:test")
 
@@ -288,12 +254,16 @@ class PresenceInvitesTestCase(unittest.TestCase):
         yield self.handler.send_invite(
                 observer_user=self.u_apple, observed_user=self.u_banana)
 
-        self.datastore.add_presence_list_pending.assert_called_with(
-                "apple", "@banana:test")
-        self.datastore.allow_presence_visible.assert_called_with(
-                "banana", "@apple:test")
-        self.datastore.set_presence_list_accepted.assert_called_with(
-                "apple", "@banana:test")
+        self.assertEquals(
+            [{"observed_user_id": "@banana:test", "accepted": 1}],
+            (yield self.store.get_presence_list(self.u_apple.localpart))
+        )
+        self.assertTrue(
+            (yield self.store.is_presence_visible(
+                observed_localpart=self.u_banana.localpart,
+                observer_userid=self.u_apple.to_string(),
+            ))
+        )
 
         self.mock_start.assert_called_with(
                 self.u_apple, target_user=self.u_banana)
@@ -303,10 +273,10 @@ class PresenceInvitesTestCase(unittest.TestCase):
         yield self.handler.send_invite(
                 observer_user=self.u_apple, observed_user=self.u_durian)
 
-        self.datastore.add_presence_list_pending.assert_called_with(
-                "apple", "@durian:test")
-        self.datastore.del_presence_list.assert_called_with(
-                "apple", "@durian:test")
+        self.assertEquals(
+            [],
+            (yield self.store.get_presence_list(self.u_apple.localpart))
+        )
 
     @defer.inlineCallbacks
     def test_invite_remote(self):
@@ -328,8 +298,10 @@ class PresenceInvitesTestCase(unittest.TestCase):
         yield self.handler.send_invite(
                 observer_user=self.u_apple, observed_user=self.u_cabbage)
 
-        self.datastore.add_presence_list_pending.assert_called_with(
-                "apple", "@cabbage:elsewhere")
+        self.assertEquals(
+            [{"observed_user_id": "@cabbage:elsewhere", "accepted": 0}],
+            (yield self.store.get_presence_list(self.u_apple.localpart))
+        )
 
         yield put_json.await_calls()
 
@@ -362,8 +334,12 @@ class PresenceInvitesTestCase(unittest.TestCase):
             )
         )
 
-        self.datastore.allow_presence_visible.assert_called_with(
-                "apple", "@cabbage:elsewhere")
+        self.assertTrue(
+            (yield self.store.is_presence_visible(
+                observed_localpart=self.u_apple.localpart,
+                observer_userid=self.u_cabbage.to_string(),
+            ))
+        )
 
         yield put_json.await_calls()
 
@@ -398,6 +374,11 @@ class PresenceInvitesTestCase(unittest.TestCase):
 
     @defer.inlineCallbacks
     def test_accepted_remote(self):
+        yield self.store.add_presence_list_pending(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid=self.u_cabbage.to_string(),
+        )
+
         yield self.mock_federation_resource.trigger("PUT",
             "/_matrix/federation/v1/send/1000000/",
             _make_edu_json("elsewhere", "m.presence_accept",
@@ -408,14 +389,21 @@ class PresenceInvitesTestCase(unittest.TestCase):
             )
         )
 
-        self.datastore.set_presence_list_accepted.assert_called_with(
-                "apple", "@cabbage:elsewhere")
+        self.assertEquals(
+            [{"observed_user_id": "@cabbage:elsewhere", "accepted": 1}],
+            (yield self.store.get_presence_list(self.u_apple.localpart))
+        )
 
         self.mock_start.assert_called_with(
                 self.u_apple, target_user=self.u_cabbage)
 
     @defer.inlineCallbacks
     def test_denied_remote(self):
+        yield self.store.add_presence_list_pending(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid="@eggplant:elsewhere",
+        )
+
         yield self.mock_federation_resource.trigger("PUT",
             "/_matrix/federation/v1/send/1000000/",
             _make_edu_json("elsewhere", "m.presence_deny",
@@ -426,32 +414,65 @@ class PresenceInvitesTestCase(unittest.TestCase):
             )
         )
 
-        self.datastore.del_presence_list.assert_called_with(
-                "apple", "@eggplant:elsewhere")
+        self.assertEquals(
+            [],
+            (yield self.store.get_presence_list(self.u_apple.localpart))
+        )
 
     @defer.inlineCallbacks
     def test_drop_local(self):
-        yield self.handler.drop(
-                observer_user=self.u_apple, observed_user=self.u_banana)
+        yield self.store.add_presence_list_pending(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid=self.u_banana.to_string(),
+        )
+        yield self.store.set_presence_list_accepted(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid=self.u_banana.to_string(),
+        )
 
-        self.datastore.del_presence_list.assert_called_with(
-                "apple", "@banana:test")
+        yield self.handler.drop(
+            observer_user=self.u_apple,
+            observed_user=self.u_banana,
+        )
+
+        self.assertEquals(
+            [],
+            (yield self.store.get_presence_list(self.u_apple.localpart))
+        )
 
         self.mock_stop.assert_called_with(
                 self.u_apple, target_user=self.u_banana)
 
     @defer.inlineCallbacks
     def test_drop_remote(self):
-        yield self.handler.drop(
-                observer_user=self.u_apple, observed_user=self.u_cabbage)
+        yield self.store.add_presence_list_pending(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid=self.u_cabbage.to_string(),
+        )
+        yield self.store.set_presence_list_accepted(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid=self.u_cabbage.to_string(),
+        )
 
-        self.datastore.del_presence_list.assert_called_with(
-                "apple", "@cabbage:elsewhere")
+        yield self.handler.drop(
+            observer_user=self.u_apple,
+            observed_user=self.u_cabbage,
+        )
+
+        self.assertEquals(
+            [],
+            (yield self.store.get_presence_list(self.u_apple.localpart))
+        )
 
     @defer.inlineCallbacks
     def test_get_presence_list(self):
-        self.datastore.get_presence_list.return_value = defer.succeed(
-            [{"observed_user_id": "@banana:test"}]
+        yield self.store.add_presence_list_pending(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid=self.u_banana.to_string(),
+        )
+        yield self.store.set_presence_list_accepted(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid=self.u_banana.to_string(),
         )
 
         presence = yield self.handler.get_presence_list(
@@ -459,29 +480,10 @@ class PresenceInvitesTestCase(unittest.TestCase):
 
         self.assertEquals([
             {"observed_user": self.u_banana,
-             "presence": OFFLINE},
+             "presence": OFFLINE,
+             "accepted": 1},
         ], presence)
 
-        self.datastore.get_presence_list.assert_called_with("apple",
-            accepted=None
-        )
-
-        self.datastore.get_presence_list.return_value = defer.succeed(
-            [{"observed_user_id": "@banana:test"}]
-        )
-
-        presence = yield self.handler.get_presence_list(
-            observer_user=self.u_apple, accepted=True
-        )
-
-        self.assertEquals([
-            {"observed_user": self.u_banana,
-             "presence": OFFLINE},
-        ], presence)
-
-        self.datastore.get_presence_list.assert_called_with("apple",
-                accepted=True)
-
 
 class PresencePushTestCase(unittest.TestCase):
     """ Tests steady-state presence status updates.
diff --git a/tests/handlers/test_profile.py b/tests/handlers/test_profile.py
index ee2be9b6d..5dc9b456e 100644
--- a/tests/handlers/test_profile.py
+++ b/tests/handlers/test_profile.py
@@ -24,6 +24,8 @@ from synapse.server import HomeServer
 from synapse.handlers.profile import ProfileHandler
 from synapse.api.constants import Membership
 
+from tests.utils import SQLiteMemoryDbPool
+
 
 class ProfileHandlers(object):
     def __init__(self, hs):
@@ -33,6 +35,7 @@ class ProfileHandlers(object):
 class ProfileTestCase(unittest.TestCase):
     """ Tests profile management. """
 
+    @defer.inlineCallbacks
     def setUp(self):
         self.mock_federation = Mock(spec=[
             "make_query",
@@ -43,63 +46,50 @@ class ProfileTestCase(unittest.TestCase):
             self.query_handlers[query_type] = handler
         self.mock_federation.register_query_handler = register_query_handler
 
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
+
         hs = HomeServer("test",
-                db_pool=None,
+                db_pool=db_pool,
                 http_client=None,
-                datastore=Mock(spec=[
-                    "get_profile_displayname",
-                    "set_profile_displayname",
-                    "get_profile_avatar_url",
-                    "set_profile_avatar_url",
-                    "get_rooms_for_user_where_membership_is",
-                ]),
                 handlers=None,
                 resource_for_federation=Mock(),
                 replication_layer=self.mock_federation,
             )
         hs.handlers = ProfileHandlers(hs)
 
-        self.datastore = hs.get_datastore()
+        self.store = hs.get_datastore()
 
         self.frank = hs.parse_userid("@1234ABCD:test")
         self.bob   = hs.parse_userid("@4567:test")
         self.alice = hs.parse_userid("@alice:remote")
 
-        self.handler = hs.get_handlers().profile_handler
+        yield self.store.create_profile(self.frank.localpart)
 
-        self.mock_get_joined = (
-            self.datastore.get_rooms_for_user_where_membership_is
-        )
+        self.handler = hs.get_handlers().profile_handler
 
         # TODO(paul): Icky signal declarings.. booo
         hs.get_distributor().declare("changed_presencelike_data")
 
     @defer.inlineCallbacks
     def test_get_my_name(self):
-        mocked_get = self.datastore.get_profile_displayname
-        mocked_get.return_value = defer.succeed("Frank")
+        yield self.store.set_profile_displayname(
+            self.frank.localpart, "Frank"
+        )
 
         displayname = yield self.handler.get_displayname(self.frank)
 
         self.assertEquals("Frank", displayname)
-        mocked_get.assert_called_with("1234ABCD")
 
     @defer.inlineCallbacks
     def test_set_my_name(self):
-        mocked_set = self.datastore.set_profile_displayname
-        mocked_set.return_value = defer.succeed(())
-
-        self.mock_get_joined.return_value = defer.succeed([])
-
         yield self.handler.set_displayname(self.frank, self.frank, "Frank Jr.")
 
-        self.mock_get_joined.assert_called_once_with(
-            self.frank.to_string(),
-            [Membership.JOIN]
+        self.assertEquals(
+            (yield self.store.get_profile_displayname(self.frank.localpart)),
+            "Frank Jr."
         )
 
-        mocked_set.assert_called_with("1234ABCD", "Frank Jr.")
-
     @defer.inlineCallbacks
     def test_set_my_name_noauth(self):
         d = self.handler.set_displayname(self.frank, self.bob, "Frank Jr.")
@@ -123,40 +113,31 @@ class ProfileTestCase(unittest.TestCase):
 
     @defer.inlineCallbacks
     def test_incoming_fed_query(self):
-        mocked_get = self.datastore.get_profile_displayname
-        mocked_get.return_value = defer.succeed("Caroline")
+        yield self.store.create_profile("caroline")
+        yield self.store.set_profile_displayname("caroline", "Caroline")
 
         response = yield self.query_handlers["profile"](
             {"user_id": "@caroline:test", "field": "displayname"}
         )
 
         self.assertEquals({"displayname": "Caroline"}, response)
-        mocked_get.assert_called_with("caroline")
 
     @defer.inlineCallbacks
     def test_get_my_avatar(self):
-        mocked_get = self.datastore.get_profile_avatar_url
-        mocked_get.return_value = defer.succeed("http://my.server/me.png")
+        yield self.store.set_profile_avatar_url(
+            self.frank.localpart, "http://my.server/me.png"
+        )
 
         avatar_url = yield self.handler.get_avatar_url(self.frank)
 
         self.assertEquals("http://my.server/me.png", avatar_url)
-        mocked_get.assert_called_with("1234ABCD")
 
     @defer.inlineCallbacks
     def test_set_my_avatar(self):
-        mocked_set = self.datastore.set_profile_avatar_url
-        mocked_set.return_value = defer.succeed(())
-
-        self.mock_get_joined.return_value = defer.succeed([])
-
         yield self.handler.set_avatar_url(self.frank, self.frank,
                 "http://my.server/pic.gif")
 
-        self.mock_get_joined.assert_called_once_with(
-            self.frank.to_string(),
-            [Membership.JOIN]
+        self.assertEquals(
+            (yield self.store.get_profile_avatar_url(self.frank.localpart)),
+            "http://my.server/pic.gif"
         )
-
-
-        mocked_set.assert_called_with("1234ABCD", "http://my.server/pic.gif")
diff --git a/tests/storage/TESTS_NEEDED_FOR b/tests/storage/TESTS_NEEDED_FOR
new file mode 100644
index 000000000..8e5d0cbdc
--- /dev/null
+++ b/tests/storage/TESTS_NEEDED_FOR
@@ -0,0 +1,5 @@
+synapse/storage/feedback.py
+synapse/storage/keys.py
+synapse/storage/pdu.py
+synapse/storage/stream.py
+synapse/storage/transactions.py
diff --git a/tests/storage/test_directory.py b/tests/storage/test_directory.py
new file mode 100644
index 000000000..7e8e7e1e8
--- /dev/null
+++ b/tests/storage/test_directory.py
@@ -0,0 +1,68 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from tests import unittest
+from twisted.internet import defer
+
+from synapse.server import HomeServer
+from synapse.storage.directory import DirectoryStore
+
+from tests.utils import SQLiteMemoryDbPool
+
+
+class DirectoryStoreTestCase(unittest.TestCase):
+
+    @defer.inlineCallbacks
+    def setUp(self):
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
+
+        hs = HomeServer("test",
+            db_pool=db_pool,
+        )
+
+        self.store = DirectoryStore(hs)
+
+        self.room = hs.parse_roomid("!abcde:test")
+        self.alias = hs.parse_roomalias("#my-room:test")
+
+    @defer.inlineCallbacks
+    def test_room_to_alias(self):
+        yield self.store.create_room_alias_association(
+            room_alias=self.alias,
+            room_id=self.room.to_string(),
+            servers=["test"],
+        )
+
+        self.assertEquals(
+            ["#my-room:test"],
+            (yield self.store.get_aliases_for_room(self.room.to_string()))
+        )
+
+    @defer.inlineCallbacks
+    def test_alias_to_room(self):
+        yield self.store.create_room_alias_association(
+            room_alias=self.alias,
+            room_id=self.room.to_string(),
+            servers=["test"],
+        )
+
+
+        self.assertObjectHasAttributes(
+            {"room_id": self.room.to_string(),
+             "servers": ["test"]},
+            (yield self.store.get_association_from_room_alias(self.alias))
+        )
diff --git a/tests/storage/test_presence.py b/tests/storage/test_presence.py
new file mode 100644
index 000000000..9655d3cf4
--- /dev/null
+++ b/tests/storage/test_presence.py
@@ -0,0 +1,167 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from tests import unittest
+from twisted.internet import defer
+
+from synapse.server import HomeServer
+from synapse.storage.presence import PresenceStore
+
+from tests.utils import SQLiteMemoryDbPool, MockClock
+
+
+class PresenceStoreTestCase(unittest.TestCase):
+
+    @defer.inlineCallbacks
+    def setUp(self):
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
+
+        hs = HomeServer("test",
+            clock=MockClock(),
+            db_pool=db_pool,
+        )
+
+        self.store = PresenceStore(hs)
+
+        self.u_apple = hs.parse_userid("@apple:test")
+        self.u_banana = hs.parse_userid("@banana:test")
+
+    @defer.inlineCallbacks
+    def test_state(self):
+        yield self.store.create_presence(
+            self.u_apple.localpart
+        )
+
+        state = yield self.store.get_presence_state(
+            self.u_apple.localpart
+        )
+
+        self.assertEquals(
+            {"state": None, "status_msg": None, "mtime": None}, state
+        )
+
+        yield self.store.set_presence_state(
+            self.u_apple.localpart, {"state": "online", "status_msg": "Here"}
+        )
+
+        state = yield self.store.get_presence_state(
+            self.u_apple.localpart
+        )
+
+        self.assertEquals(
+            {"state": "online", "status_msg": "Here", "mtime": 1000000}, state
+        )
+
+    @defer.inlineCallbacks
+    def test_visibility(self):
+        self.assertFalse((yield self.store.is_presence_visible(
+            observed_localpart=self.u_apple.localpart,
+            observer_userid=self.u_banana.to_string(),
+        )))
+
+        yield self.store.allow_presence_visible(
+            observed_localpart=self.u_apple.localpart,
+            observer_userid=self.u_banana.to_string(),
+        )
+
+        self.assertTrue((yield self.store.is_presence_visible(
+            observed_localpart=self.u_apple.localpart,
+            observer_userid=self.u_banana.to_string(),
+        )))
+
+        yield self.store.disallow_presence_visible(
+            observed_localpart=self.u_apple.localpart,
+            observer_userid=self.u_banana.to_string(),
+        )
+
+        self.assertFalse((yield self.store.is_presence_visible(
+            observed_localpart=self.u_apple.localpart,
+            observer_userid=self.u_banana.to_string(),
+        )))
+
+    @defer.inlineCallbacks
+    def test_presence_list(self):
+        self.assertEquals(
+            [],
+            (yield self.store.get_presence_list(
+                observer_localpart=self.u_apple.localpart,
+            ))
+        )
+        self.assertEquals(
+            [],
+            (yield self.store.get_presence_list(
+                observer_localpart=self.u_apple.localpart,
+                accepted=True,
+            ))
+        )
+
+        yield self.store.add_presence_list_pending(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid=self.u_banana.to_string(),
+        )
+
+        self.assertEquals(
+            [{"observed_user_id": "@banana:test", "accepted": 0}],
+            (yield self.store.get_presence_list(
+                observer_localpart=self.u_apple.localpart,
+            ))
+        )
+        self.assertEquals(
+            [],
+            (yield self.store.get_presence_list(
+                observer_localpart=self.u_apple.localpart,
+                accepted=True,
+            ))
+        )
+
+        yield self.store.set_presence_list_accepted(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid=self.u_banana.to_string(),
+        )
+
+        self.assertEquals(
+            [{"observed_user_id": "@banana:test", "accepted": 1}],
+            (yield self.store.get_presence_list(
+                observer_localpart=self.u_apple.localpart,
+            ))
+        )
+        self.assertEquals(
+            [{"observed_user_id": "@banana:test", "accepted": 1}],
+            (yield self.store.get_presence_list(
+                observer_localpart=self.u_apple.localpart,
+                accepted=True,
+            ))
+        )
+
+        yield self.store.del_presence_list(
+            observer_localpart=self.u_apple.localpart,
+            observed_userid=self.u_banana.to_string(),
+        )
+
+        self.assertEquals(
+            [],
+            (yield self.store.get_presence_list(
+                observer_localpart=self.u_apple.localpart,
+            ))
+        )
+        self.assertEquals(
+            [],
+            (yield self.store.get_presence_list(
+                observer_localpart=self.u_apple.localpart,
+                accepted=True,
+            ))
+        )
diff --git a/tests/storage/test_profile.py b/tests/storage/test_profile.py
new file mode 100644
index 000000000..5d36723c2
--- /dev/null
+++ b/tests/storage/test_profile.py
@@ -0,0 +1,69 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from tests import unittest
+from twisted.internet import defer
+
+from synapse.server import HomeServer
+from synapse.storage.profile import ProfileStore
+
+from tests.utils import SQLiteMemoryDbPool
+
+
+class ProfileStoreTestCase(unittest.TestCase):
+
+    @defer.inlineCallbacks
+    def setUp(self):
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
+
+        hs = HomeServer("test",
+            db_pool=db_pool,
+        )
+
+        self.store = ProfileStore(hs)
+
+        self.u_frank = hs.parse_userid("@frank:test")
+
+    @defer.inlineCallbacks
+    def test_displayname(self):
+        yield self.store.create_profile(
+            self.u_frank.localpart
+        )
+
+        yield self.store.set_profile_displayname(
+            self.u_frank.localpart, "Frank"
+        )
+
+        self.assertEquals(
+            "Frank",
+            (yield self.store.get_profile_displayname(self.u_frank.localpart))
+        )
+
+    @defer.inlineCallbacks
+    def test_avatar_url(self):
+        yield self.store.create_profile(
+            self.u_frank.localpart
+        )
+
+        yield self.store.set_profile_avatar_url(
+                self.u_frank.localpart, "http://my.site/here"
+        )
+
+        self.assertEquals(
+            "http://my.site/here",
+            (yield self.store.get_profile_avatar_url(self.u_frank.localpart))
+        )
diff --git a/tests/storage/test_registration.py b/tests/storage/test_registration.py
new file mode 100644
index 000000000..91e221d53
--- /dev/null
+++ b/tests/storage/test_registration.py
@@ -0,0 +1,69 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from tests import unittest
+from twisted.internet import defer
+
+from synapse.server import HomeServer
+from synapse.storage.registration import RegistrationStore
+
+from tests.utils import SQLiteMemoryDbPool
+
+
+class RegistrationStoreTestCase(unittest.TestCase):
+
+    @defer.inlineCallbacks
+    def setUp(self):
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
+
+        hs = HomeServer("test",
+            db_pool=db_pool,
+        )
+
+        self.store = RegistrationStore(hs)
+
+        self.user_id = "@my-user:test"
+        self.tokens = ["AbCdEfGhIjKlMnOpQrStUvWxYz",
+                        "BcDeFgHiJkLmNoPqRsTuVwXyZa"]
+        self.pwhash = "{xx1}123456789"
+
+    @defer.inlineCallbacks
+    def test_register(self):
+        yield self.store.register(self.user_id, self.tokens[0], self.pwhash)
+
+        self.assertEquals(
+            # TODO(paul): Surely this field should be 'user_id', not 'name'
+            #  Additionally surely it shouldn't come in a 1-element list
+            [{"name": self.user_id, "password_hash": self.pwhash}],
+            (yield self.store.get_user_by_id(self.user_id))
+        )
+
+        self.assertEquals(
+            self.user_id,
+            (yield self.store.get_user_by_token(self.tokens[0]))
+        )
+
+    @defer.inlineCallbacks
+    def test_add_tokens(self):
+        yield self.store.register(self.user_id, self.tokens[0], self.pwhash)
+        yield self.store.add_access_token_to_user(self.user_id, self.tokens[1])
+
+        self.assertEquals(
+            self.user_id,
+            (yield self.store.get_user_by_token(self.tokens[1]))
+        )
+
diff --git a/tests/storage/test_room.py b/tests/storage/test_room.py
new file mode 100644
index 000000000..369a73d91
--- /dev/null
+++ b/tests/storage/test_room.py
@@ -0,0 +1,176 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from tests import unittest
+from twisted.internet import defer
+
+from synapse.server import HomeServer
+from synapse.api.events.room import (
+    RoomNameEvent, RoomTopicEvent
+)
+
+from tests.utils import SQLiteMemoryDbPool
+
+
+class RoomStoreTestCase(unittest.TestCase):
+
+    @defer.inlineCallbacks
+    def setUp(self):
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
+
+        hs = HomeServer("test",
+            db_pool=db_pool,
+        )
+
+        # We can't test RoomStore on its own without the DirectoryStore, for
+        # management of the 'room_aliases' table
+        self.store = hs.get_datastore()
+
+        self.room = hs.parse_roomid("!abcde:test")
+        self.alias = hs.parse_roomalias("#a-room-name:test")
+        self.u_creator = hs.parse_userid("@creator:test")
+
+        yield self.store.store_room(self.room.to_string(),
+            room_creator_user_id=self.u_creator.to_string(),
+            is_public=True
+        )
+
+    @defer.inlineCallbacks
+    def test_get_room(self):
+        self.assertObjectHasAttributes(
+            {"room_id": self.room.to_string(),
+             "creator": self.u_creator.to_string(),
+             "is_public": True},
+            (yield self.store.get_room(self.room.to_string()))
+        )
+
+    @defer.inlineCallbacks
+    def test_store_room_config(self):
+        yield self.store.store_room_config(self.room.to_string(),
+            visibility=False
+        )
+
+        self.assertObjectHasAttributes(
+            {"is_public": False},
+            (yield self.store.get_room(self.room.to_string()))
+        )
+
+    @defer.inlineCallbacks
+    def test_get_rooms(self):
+        # get_rooms does an INNER JOIN on the room_aliases table :(
+
+        rooms = yield self.store.get_rooms(is_public=True)
+        # Should be empty before we add the alias
+        self.assertEquals([], rooms)
+
+        yield self.store.create_room_alias_association(
+            room_alias=self.alias,
+            room_id=self.room.to_string(),
+            servers=["test"]
+        )
+
+        rooms = yield self.store.get_rooms(is_public=True)
+
+        self.assertEquals(1, len(rooms))
+        self.assertEquals({
+            "name": None,
+            "room_id": self.room.to_string(),
+            "topic": None,
+            "aliases": [self.alias.to_string()],
+        }, rooms[0])
+
+
+class RoomEventsStoreTestCase(unittest.TestCase):
+
+    @defer.inlineCallbacks
+    def setUp(self):
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
+
+        hs = HomeServer("test",
+            db_pool=db_pool,
+        )
+
+        # Room events need the full datastore, for persist_event() and
+        # get_room_state()
+        self.store = hs.get_datastore()
+        self.event_factory = hs.get_event_factory();
+
+        self.room = hs.parse_roomid("!abcde:test")
+
+        yield self.store.store_room(self.room.to_string(),
+            room_creator_user_id="@creator:text",
+            is_public=True
+        )
+
+    @defer.inlineCallbacks
+    def inject_room_event(self, **kwargs):
+        yield self.store.persist_event(
+            self.event_factory.create_event(
+                room_id=self.room.to_string(),
+                **kwargs
+            )
+        )
+
+    @defer.inlineCallbacks
+    def test_room_name(self):
+        name = u"A-Room-Name"
+
+        yield self.inject_room_event(
+            etype=RoomNameEvent.TYPE,
+            name=name,
+            content={"name": name},
+            depth=1,
+        )
+
+        state = yield self.store.get_current_state(
+            room_id=self.room.to_string()
+        )
+
+        self.assertEquals(1, len(state))
+        self.assertObjectHasAttributes(
+            {"type": "m.room.name",
+             "room_id": self.room.to_string(),
+             "name": name},
+            state[0]
+        )
+
+    @defer.inlineCallbacks
+    def test_room_name(self):
+        topic = u"A place for things"
+
+        yield self.inject_room_event(
+            etype=RoomTopicEvent.TYPE,
+            topic=topic,
+            content={"topic": topic},
+            depth=1,
+        )
+
+        state = yield self.store.get_current_state(
+            room_id=self.room.to_string()
+        )
+
+        self.assertEquals(1, len(state))
+        self.assertObjectHasAttributes(
+            {"type": "m.room.topic",
+             "room_id": self.room.to_string(),
+             "topic": topic},
+            state[0]
+        )
+
+    # Not testing the various 'level' methods for now because there's lots
+    # of them and need coalescing; see JIRA SPEC-11
diff --git a/tests/storage/test_roommember.py b/tests/storage/test_roommember.py
new file mode 100644
index 000000000..eae278ee8
--- /dev/null
+++ b/tests/storage/test_roommember.py
@@ -0,0 +1,157 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from tests import unittest
+from twisted.internet import defer
+
+from synapse.server import HomeServer
+from synapse.api.constants import Membership
+from synapse.api.events.room import RoomMemberEvent
+
+from tests.utils import SQLiteMemoryDbPool
+
+
+class RoomMemberStoreTestCase(unittest.TestCase):
+
+    @defer.inlineCallbacks
+    def setUp(self):
+        db_pool = SQLiteMemoryDbPool()
+        yield db_pool.prepare()
+
+        hs = HomeServer("test",
+            db_pool=db_pool,
+        )
+
+        # We can't test the RoomMemberStore on its own without the other event
+        # storage logic
+        self.store = hs.get_datastore()
+        self.event_factory = hs.get_event_factory()
+
+        self.u_alice = hs.parse_userid("@alice:test")
+        self.u_bob = hs.parse_userid("@bob:test")
+
+        # User elsewhere on another host
+        self.u_charlie = hs.parse_userid("@charlie:elsewhere")
+
+        self.room = hs.parse_roomid("!abc123:test")
+
+    @defer.inlineCallbacks
+    def inject_room_member(self, room, user, membership):
+        # Have to create a join event using the eventfactory
+        yield self.store.persist_event(
+            self.event_factory.create_event(
+                etype=RoomMemberEvent.TYPE,
+                user_id=user.to_string(),
+                state_key=user.to_string(),
+                room_id=room.to_string(),
+                membership=membership,
+                content={"membership": membership},
+                depth=1,
+            )
+        )
+
+    @defer.inlineCallbacks
+    def test_one_member(self):
+        yield self.inject_room_member(self.room, self.u_alice, Membership.JOIN)
+
+        self.assertEquals(
+            Membership.JOIN,
+            (yield self.store.get_room_member(
+                user_id=self.u_alice.to_string(),
+                room_id=self.room.to_string(),
+            )).membership
+        )
+        self.assertEquals(
+            [self.u_alice.to_string()],
+            [m.user_id for m in (
+                yield self.store.get_room_members(self.room.to_string())
+            )]
+        )
+        self.assertEquals(
+            [self.room.to_string()],
+            [m.room_id for m in (
+                yield self.store.get_rooms_for_user_where_membership_is(
+                    self.u_alice.to_string(), [Membership.JOIN]
+                ))
+            ]
+        )
+        self.assertFalse(
+            (yield self.store.user_rooms_intersect(
+                [self.u_alice.to_string(), self.u_bob.to_string()]
+            ))
+        )
+
+    @defer.inlineCallbacks
+    def test_two_members(self):
+        yield self.inject_room_member(self.room, self.u_alice, Membership.JOIN)
+        yield self.inject_room_member(self.room, self.u_bob, Membership.JOIN)
+
+        self.assertEquals(
+            {self.u_alice.to_string(), self.u_bob.to_string()},
+            {m.user_id for m in (
+                yield self.store.get_room_members(self.room.to_string())
+            )}
+        )
+        self.assertTrue(
+            (yield self.store.user_rooms_intersect(
+                [self.u_alice.to_string(), self.u_bob.to_string()]
+            ))
+        )
+
+    @defer.inlineCallbacks
+    def test_room_hosts(self):
+        yield self.inject_room_member(self.room, self.u_alice, Membership.JOIN)
+
+        self.assertEquals(
+            ["test"],
+            (yield self.store.get_joined_hosts_for_room(self.room.to_string()))
+        )
+
+        # Should still have just one host after second join from it
+        yield self.inject_room_member(self.room, self.u_bob, Membership.JOIN)
+
+        self.assertEquals(
+            ["test"],
+            (yield self.store.get_joined_hosts_for_room(self.room.to_string()))
+        )
+
+        # Should now have two hosts after join from other host
+        yield self.inject_room_member(self.room, self.u_charlie, Membership.JOIN)
+
+        self.assertEquals(
+            {"test", "elsewhere"},
+            set((yield
+                self.store.get_joined_hosts_for_room(self.room.to_string())
+            ))
+        )
+
+        # Should still have both hosts
+        yield self.inject_room_member(self.room, self.u_alice, Membership.LEAVE)
+
+        self.assertEquals(
+            {"test", "elsewhere"},
+            set((yield
+                self.store.get_joined_hosts_for_room(self.room.to_string())
+            ))
+        )
+
+        # Should have only one host after other leaves
+        yield self.inject_room_member(self.room, self.u_charlie, Membership.LEAVE)
+
+        self.assertEquals(
+            ["test"],
+            (yield self.store.get_joined_hosts_for_room(self.room.to_string()))
+        )
diff --git a/tests/unittest.py b/tests/unittest.py
index fb97fb114..a9c0e0554 100644
--- a/tests/unittest.py
+++ b/tests/unittest.py
@@ -71,6 +71,17 @@ class TestCase(unittest.TestCase):
             logging.getLogger().setLevel(level)
             return orig()
 
+    def assertObjectHasAttributes(self, attrs, obj):
+        """Asserts that the given object has each of the attributes given, and
+        that the value of each matches according to assertEquals."""
+        for (key, value) in attrs.items():
+            if not hasattr(obj, key):
+                raise AssertionError("Expected obj to have a '.%s'" % key)
+            try:
+                self.assertEquals(attrs[key], getattr(obj, key))
+            except AssertionError as e:
+                raise (type(e))(e.message + " for '.%s'" % key)
+
 
 def DEBUG(target):
     """A decorator to set the .loglevel attribute to logging.DEBUG.
diff --git a/tests/utils.py b/tests/utils.py
index d90214e41..bc5d35e56 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -16,12 +16,14 @@
 from synapse.http.server import HttpServer
 from synapse.api.errors import cs_error, CodeMessageException, StoreError
 from synapse.api.constants import Membership
+from synapse.storage import prepare_database
 
 from synapse.api.events.room import (
     RoomMemberEvent, MessageEvent
 )
 
 from twisted.internet import defer, reactor
+from twisted.enterprise.adbapi import ConnectionPool
 
 from collections import namedtuple
 from mock import patch, Mock
@@ -120,6 +122,18 @@ class MockClock(object):
         self.now += secs
 
 
+class SQLiteMemoryDbPool(ConnectionPool, object):
+    def __init__(self):
+        super(SQLiteMemoryDbPool, self).__init__(
+            "sqlite3", ":memory:",
+            cp_min=1,
+            cp_max=1,
+        )
+
+    def prepare(self):
+        return self.runWithConnection(prepare_database)
+
+
 class MemoryDataStore(object):
 
     Room = namedtuple(