diff --git a/tests/handlers/test_e2e_keys.py b/tests/handlers/test_e2e_keys.py
index 366dcfb670..924f29f051 100644
--- a/tests/handlers/test_e2e_keys.py
+++ b/tests/handlers/test_e2e_keys.py
@@ -33,13 +33,15 @@ class E2eKeysHandlerTestCase(unittest.TestCase):
super().__init__(*args, **kwargs)
self.hs = None # type: synapse.server.HomeServer
self.handler = None # type: synapse.handlers.e2e_keys.E2eKeysHandler
+ self.store = None # type: synapse.storage.Storage
@defer.inlineCallbacks
def setUp(self):
self.hs = yield utils.setup_test_homeserver(
- self.addCleanup, handlers=None, federation_client=mock.Mock()
+ self.addCleanup, federation_client=mock.Mock()
)
self.handler = synapse.handlers.e2e_keys.E2eKeysHandler(self.hs)
+ self.store = self.hs.get_datastore()
@defer.inlineCallbacks
def test_query_local_devices_no_devices(self):
@@ -172,6 +174,89 @@ class E2eKeysHandlerTestCase(unittest.TestCase):
)
@defer.inlineCallbacks
+ def test_fallback_key(self):
+ local_user = "@boris:" + self.hs.hostname
+ device_id = "xyz"
+ fallback_key = {"alg1:k1": "key1"}
+ otk = {"alg1:k2": "key2"}
+
+ # we shouldn't have any unused fallback keys yet
+ res = yield defer.ensureDeferred(
+ self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
+ )
+ self.assertEqual(res, [])
+
+ yield defer.ensureDeferred(
+ self.handler.upload_keys_for_user(
+ local_user,
+ device_id,
+ {"org.matrix.msc2732.fallback_keys": fallback_key},
+ )
+ )
+
+ # we should now have an unused alg1 key
+ res = yield defer.ensureDeferred(
+ self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
+ )
+ self.assertEqual(res, ["alg1"])
+
+ # claiming an OTK when no OTKs are available should return the fallback
+ # key
+ res = yield defer.ensureDeferred(
+ self.handler.claim_one_time_keys(
+ {"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
+ )
+ )
+ self.assertEqual(
+ res,
+ {"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key}}},
+ )
+
+ # we shouldn't have any unused fallback keys again
+ res = yield defer.ensureDeferred(
+ self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
+ )
+ self.assertEqual(res, [])
+
+ # claiming an OTK again should return the same fallback key
+ res = yield defer.ensureDeferred(
+ self.handler.claim_one_time_keys(
+ {"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
+ )
+ )
+ self.assertEqual(
+ res,
+ {"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key}}},
+ )
+
+ # if the user uploads a one-time key, the next claim should fetch the
+ # one-time key, and then go back to the fallback
+ yield defer.ensureDeferred(
+ self.handler.upload_keys_for_user(
+ local_user, device_id, {"one_time_keys": otk}
+ )
+ )
+
+ res = yield defer.ensureDeferred(
+ self.handler.claim_one_time_keys(
+ {"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
+ )
+ )
+ self.assertEqual(
+ res, {"failures": {}, "one_time_keys": {local_user: {device_id: otk}}},
+ )
+
+ res = yield defer.ensureDeferred(
+ self.handler.claim_one_time_keys(
+ {"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
+ )
+ )
+ self.assertEqual(
+ res,
+ {"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key}}},
+ )
+
+ @defer.inlineCallbacks
def test_replace_master_key(self):
"""uploading a new signing key should make the old signing key unavailable"""
local_user = "@boris:" + self.hs.hostname
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