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-rw-r--r--tests/storage/test_state.py150
1 files changed, 150 insertions, 0 deletions
diff --git a/tests/storage/test_state.py b/tests/storage/test_state.py
index b2f314e9db..b7797c45e8 100644
--- a/tests/storage/test_state.py
+++ b/tests/storage/test_state.py
@@ -159,6 +159,8 @@ class StateStoreTestCase(tests.unittest.TestCase):
             (e3.type, e3.state_key): e3,
         }, state)
 
+        # check that types=[], filtered_types=[EventTypes.Member]
+        # doesn't return all members
         state = yield self.store.get_state_for_event(
             e5.event_id, [], filtered_types=[EventTypes.Member],
         )
@@ -167,3 +169,151 @@ class StateStoreTestCase(tests.unittest.TestCase):
             (e1.type, e1.state_key): e1,
             (e2.type, e2.state_key): e2,
         }, state)
+
+        ##################################
+        # _get_some_state_from_cache tests
+        ##################################
+
+        room_id = self.room.to_string()
+        group_ids = yield self.store.get_state_groups_ids(room_id, [e5.event_id])
+        group = group_ids.keys()[0]
+
+        # test that _get_some_state_from_cache correctly filters out members with types=[]
+        (state_dict, is_all) = yield self.store._get_some_state_from_cache(
+            group, [], filtered_types=[EventTypes.Member]
+        )
+
+        self.assertEqual(is_all, True)
+        self.assertDictEqual({
+            (e1.type, e1.state_key): e1.event_id,
+            (e2.type, e2.state_key): e2.event_id,
+        }, state_dict)
+
+        # test that _get_some_state_from_cache correctly filters out members with types=wildcard
+        (state_dict, is_all) = yield self.store._get_some_state_from_cache(
+            group, [(EventTypes.Member, None)], filtered_types=[EventTypes.Member]
+        )
+
+        self.assertEqual(is_all, True)
+        self.assertDictEqual({
+            (e1.type, e1.state_key): e1.event_id,
+            (e2.type, e2.state_key): e2.event_id,
+            (e3.type, e3.state_key): e3.event_id,
+            # e4 is overwritten by e5
+            (e5.type, e5.state_key): e5.event_id,
+        }, state_dict)
+
+        # test that _get_some_state_from_cache correctly filters out members with types=specific
+        (state_dict, is_all) = yield self.store._get_some_state_from_cache(
+            group, [(EventTypes.Member, e5.state_key)], filtered_types=[EventTypes.Member]
+        )
+
+        self.assertEqual(is_all, True)
+        self.assertDictEqual({
+            (e1.type, e1.state_key): e1.event_id,
+            (e2.type, e2.state_key): e2.event_id,
+            (e5.type, e5.state_key): e5.event_id,
+        }, state_dict)
+
+        # test that _get_some_state_from_cache correctly filters out members with types=specific
+        # and no filtered_types
+        (state_dict, is_all) = yield self.store._get_some_state_from_cache(
+            group, [(EventTypes.Member, e5.state_key)], filtered_types=None
+        )
+
+        self.assertEqual(is_all, True)
+        self.assertDictEqual({
+            (e5.type, e5.state_key): e5.event_id,
+        }, state_dict)
+
+        #######################################################
+        # deliberately remove e2 (room name) from the _state_group_cache
+
+        (is_all, known_absent, state_dict_ids) = self.store._state_group_cache.get(group)
+
+        self.assertEqual(is_all, True)
+        self.assertEqual(known_absent, set())
+        self.assertDictEqual(state_dict_ids, {
+            (e1.type, e1.state_key): e1.event_id,
+            (e2.type, e2.state_key): e2.event_id,
+            (e3.type, e3.state_key): e3.event_id,
+            # e4 is overwritten by e5
+            (e5.type, e5.state_key): e5.event_id,
+        })
+
+        state_dict_ids.pop((e2.type, e2.state_key))
+        self.store._state_group_cache.invalidate(group)
+        self.store._state_group_cache.update(
+            sequence=self.store._state_group_cache.sequence,
+            key=group,
+            value=state_dict_ids,
+            # list fetched keys so it knows it's partial
+            fetched_keys=(
+                (e1.type, e1.state_key),
+                (e3.type, e3.state_key),
+                (e5.type, e5.state_key),
+            )
+        )
+
+        (is_all, known_absent, state_dict_ids) = self.store._state_group_cache.get(group)
+
+        self.assertEqual(is_all, False)
+        self.assertEqual(known_absent, set([
+            (e1.type, e1.state_key),
+            (e3.type, e3.state_key),
+            (e5.type, e5.state_key),
+        ]))
+        self.assertDictEqual(state_dict_ids, {
+            (e1.type, e1.state_key): e1.event_id,
+            (e3.type, e3.state_key): e3.event_id,
+            (e5.type, e5.state_key): e5.event_id,
+        })
+
+        ###################################################
+        # test that things work with a partial cache
+
+        # test that _get_some_state_from_cache correctly filters out members with types=[]
+        room_id = self.room.to_string()
+        (state_dict, is_all) = yield self.store._get_some_state_from_cache(
+            group, [], filtered_types=[EventTypes.Member]
+        )
+
+        self.assertEqual(is_all, False)
+        self.assertDictEqual({
+            (e1.type, e1.state_key): e1.event_id,
+        }, state_dict)
+
+        # test that _get_some_state_from_cache correctly filters out members with types=wildcard
+        (state_dict, is_all) = yield self.store._get_some_state_from_cache(
+            group, [(EventTypes.Member, None)], filtered_types=[EventTypes.Member]
+        )
+
+        self.assertEqual(is_all, False)
+        self.assertDictEqual({
+            (e1.type, e1.state_key): e1.event_id,
+            (e3.type, e3.state_key): e3.event_id,
+            # e4 is overwritten by e5
+            (e5.type, e5.state_key): e5.event_id,
+        }, state_dict)
+
+        # test that _get_some_state_from_cache correctly filters out members with types=specific
+        (state_dict, is_all) = yield self.store._get_some_state_from_cache(
+            group, [(EventTypes.Member, e5.state_key)], filtered_types=[EventTypes.Member]
+        )
+
+        self.assertEqual(is_all, False)
+        self.assertDictEqual({
+            (e1.type, e1.state_key): e1.event_id,
+            (e5.type, e5.state_key): e5.event_id,
+        }, state_dict)
+
+        # test that _get_some_state_from_cache correctly filters out members with types=specific
+        # and no filtered_types
+        (state_dict, is_all) = yield self.store._get_some_state_from_cache(
+            group, [(EventTypes.Member, e5.state_key)], filtered_types=None
+        )
+
+        self.assertEqual(is_all, True)
+        self.assertDictEqual({
+            (e5.type, e5.state_key): e5.event_id,
+        }, state_dict)