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75 lines
2.6 KiB
Python
75 lines
2.6 KiB
Python
from mock import Mock
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from twisted.internet import defer
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from tests import unittest
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from tests.utils import setup_test_homeserver
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class BackgroundUpdateTestCase(unittest.TestCase):
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@defer.inlineCallbacks
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def setUp(self):
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hs = yield setup_test_homeserver(self.addCleanup)
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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self.update_handler = Mock()
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yield self.store.register_background_update_handler(
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"test_update", self.update_handler
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)
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# run the real background updates, to get them out the way
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# (perhaps we should run them as part of the test HS setup, since we
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# run all of the other schema setup stuff there?)
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while True:
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res = yield self.store.do_next_background_update(1000)
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if res is None:
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break
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@defer.inlineCallbacks
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def test_do_background_update(self):
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desired_count = 1000
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duration_ms = 42
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# first step: make a bit of progress
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@defer.inlineCallbacks
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def update(progress, count):
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self.clock.advance_time_msec(count * duration_ms)
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progress = {"my_key": progress["my_key"] + 1}
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yield self.store.runInteraction(
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"update_progress",
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self.store._background_update_progress_txn,
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"test_update",
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progress,
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)
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return count
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self.update_handler.side_effect = update
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yield self.store.start_background_update("test_update", {"my_key": 1})
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self.update_handler.reset_mock()
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result = yield self.store.do_next_background_update(duration_ms * desired_count)
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self.assertIsNotNone(result)
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self.update_handler.assert_called_once_with(
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{"my_key": 1}, self.store.DEFAULT_BACKGROUND_BATCH_SIZE
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)
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# second step: complete the update
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@defer.inlineCallbacks
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def update(progress, count):
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yield self.store._end_background_update("test_update")
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return count
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self.update_handler.side_effect = update
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self.update_handler.reset_mock()
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result = yield self.store.do_next_background_update(duration_ms * desired_count)
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self.assertIsNotNone(result)
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self.update_handler.assert_called_once_with({"my_key": 2}, desired_count)
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# third step: we don't expect to be called any more
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self.update_handler.reset_mock()
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result = yield self.store.do_next_background_update(duration_ms * desired_count)
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self.assertIsNone(result)
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self.assertFalse(self.update_handler.called)
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