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Merge pull request #4164 from matrix-org/erikj/fix_device_comparison
Fix noop checks when updating device keys
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changelog.d/4164.bugfix
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changelog.d/4164.bugfix
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Fix noop checks when updating device keys, reducing spurious device list update notifications.
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@ -40,7 +40,10 @@ class EndToEndKeyStore(SQLBaseStore):
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allow_none=True,
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)
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new_key_json = encode_canonical_json(device_keys)
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# In py3 we need old_key_json to match new_key_json type. The DB
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# returns unicode while encode_canonical_json returns bytes.
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new_key_json = encode_canonical_json(device_keys).decode("utf-8")
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if old_key_json == new_key_json:
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return False
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@ -44,6 +44,21 @@ class EndToEndKeyStoreTestCase(tests.unittest.TestCase):
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dev = res["user"]["device"]
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self.assertDictContainsSubset({"keys": json, "device_display_name": None}, dev)
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@defer.inlineCallbacks
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def test_reupload_key(self):
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now = 1470174257070
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json = {"key": "value"}
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yield self.store.store_device("user", "device", None)
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changed = yield self.store.set_e2e_device_keys("user", "device", now, json)
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self.assertTrue(changed)
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# If we try to upload the same key then we should be told nothing
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# changed
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changed = yield self.store.set_e2e_device_keys("user", "device", now, json)
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self.assertFalse(changed)
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@defer.inlineCallbacks
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def test_get_key_with_device_name(self):
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now = 1470174257070
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