Include device name in /keys/query response

Add an 'unsigned' section which includes the device display name.

tests/storage/test_end_to_end_keys.py

@@ -0,0 +1,92 @@
+# -*- coding: utf-8 -*-
+# Copyright 2016 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 twisted.internet import defer
+
+import synapse.api.errors
+import tests.unittest
+import tests.utils
+
+
+class EndToEndKeyStoreTestCase(tests.unittest.TestCase):
+    def __init__(self, *args, **kwargs):
+        super(EndToEndKeyStoreTestCase, self).__init__(*args, **kwargs)
+        self.store = None  # type: synapse.storage.DataStore
+
+    @defer.inlineCallbacks
+    def setUp(self):
+        hs = yield tests.utils.setup_test_homeserver()
+
+        self.store = hs.get_datastore()
+
+    @defer.inlineCallbacks
+    def test_key_without_device_name(self):
+        now = 1470174257070
+        json = '{ "key": "value" }'
+
+        yield self.store.set_e2e_device_keys(
+            "user", "device", now, json)
+
+        res = yield self.store.get_e2e_device_keys((("user", "device"),))
+        self.assertIn("user", res)
+        self.assertIn("device", res["user"])
+        dev = res["user"]["device"]
+        self.assertDictContainsSubset({
+            "key_json": json,
+            "device_display_name": None,
+        }, dev)
+
+    @defer.inlineCallbacks
+    def test_get_key_with_device_name(self):
+        now = 1470174257070
+        json = '{ "key": "value" }'
+
+        yield self.store.set_e2e_device_keys(
+            "user", "device", now, json)
+        yield self.store.store_device(
+            "user", "device", "display_name"
+        )
+
+        res = yield self.store.get_e2e_device_keys((("user", "device"),))
+        self.assertIn("user", res)
+        self.assertIn("device", res["user"])
+        dev = res["user"]["device"]
+        self.assertDictContainsSubset({
+            "key_json": json,
+            "device_display_name": "display_name",
+        }, dev)
+
+
+    @defer.inlineCallbacks
+    def test_multiple_devices(self):
+        now = 1470174257070
+
+        yield self.store.set_e2e_device_keys(
+            "user1", "device1", now, 'json11')
+        yield self.store.set_e2e_device_keys(
+            "user1", "device2", now, 'json12')
+        yield self.store.set_e2e_device_keys(
+            "user2", "device1", now, 'json21')
+        yield self.store.set_e2e_device_keys(
+            "user2", "device2", now, 'json22')
+
+        res = yield self.store.get_e2e_device_keys((("user1", "device1"),
+                                                    ("user2", "device2")))
+        self.assertIn("user1", res)
+        self.assertIn("device1", res["user1"])
+        self.assertNotIn("device2", res["user1"])
+        self.assertIn("user2", res)
+        self.assertNotIn("device1", res["user2"])
+        self.assertIn("device2", res["user2"])