Merge branch 'develop' into application-services-txn-reliability

Conflicts:
	synapse/storage/__init__.py

tests/storage/test__base.py

@@ -17,7 +17,79 @@
 from tests import unittest
 from twisted.internet import defer
 
-from synapse.storage._base import cached
+from synapse.storage._base import Cache, cached
+
+
+class CacheTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.cache = Cache("test")
+
+    def test_empty(self):
+        failed = False
+        try:
+            self.cache.get("foo")
+        except KeyError:
+            failed = True
+
+        self.assertTrue(failed)
+
+    def test_hit(self):
+        self.cache.prefill("foo", 123)
+
+        self.assertEquals(self.cache.get("foo"), 123)
+
+    def test_invalidate(self):
+        self.cache.prefill("foo", 123)
+        self.cache.invalidate("foo")
+
+        failed = False
+        try:
+            self.cache.get("foo")
+        except KeyError:
+            failed = True
+
+        self.assertTrue(failed)
+
+    def test_eviction(self):
+        cache = Cache("test", max_entries=2)
+
+        cache.prefill(1, "one")
+        cache.prefill(2, "two")
+        cache.prefill(3, "three")  # 1 will be evicted
+
+        failed = False
+        try:
+            cache.get(1)
+        except KeyError:
+            failed = True
+
+        self.assertTrue(failed)
+
+        cache.get(2)
+        cache.get(3)
+
+    def test_eviction_lru(self):
+        cache = Cache("test", max_entries=2, lru=True)
+
+        cache.prefill(1, "one")
+        cache.prefill(2, "two")
+
+        # Now access 1 again, thus causing 2 to be least-recently used
+        cache.get(1)
+
+        cache.prefill(3, "three")
+
+        failed = False
+        try:
+            cache.get(2)
+        except KeyError:
+            failed = True
+
+        self.assertTrue(failed)
+
+        cache.get(1)
+        cache.get(3)
 
 
 class CacheDecoratorTestCase(unittest.TestCase):

tests/storage/test_base.py

@@ -180,7 +180,7 @@ class SQLBaseStoreTestCase(unittest.TestCase):
         self.mock_txn.rowcount = 1
         self.mock_txn.fetchone.return_value = ("Old Value",)
 
-        ret = yield self.datastore._simple_update_one(
+        ret = yield self.datastore._simple_selectupdate_one(
                 table="tablename",
                 keyvalues={"keycol": "TheKey"},
                 updatevalues={"columname": "New Value"},

tests/storage/test_room.py

@@ -44,7 +44,7 @@ class RoomStoreTestCase(unittest.TestCase):
 
     @defer.inlineCallbacks
     def test_get_room(self):
-        self.assertObjectHasAttributes(
+        self.assertDictContainsSubset(
             {"room_id": self.room.to_string(),
              "creator": self.u_creator.to_string(),
              "is_public": True},