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- Update black version to the latest
- Run black auto formatting over the codebase
- Run autoformatting according to [`docs/code_style.md
`](80d6dc9783/docs/code_style.md)
- Update `code_style.md` docs around installing black to use the correct version
91 lines
3.2 KiB
Python
91 lines
3.2 KiB
Python
from mock import Mock
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from synapse.storage.background_updates import BackgroundUpdater
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from tests import unittest
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class BackgroundUpdateTestCase(unittest.HomeserverTestCase):
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def prepare(self, reactor, clock, homeserver):
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self.updates = (
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self.hs.get_datastore().db_pool.updates
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) # type: BackgroundUpdater
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# the base test class should have run the real bg updates for us
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self.assertTrue(
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self.get_success(self.updates.has_completed_background_updates())
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)
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self.update_handler = Mock()
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self.updates.register_background_update_handler(
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"test_update", self.update_handler
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)
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def test_do_background_update(self):
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# the time we claim each update takes
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duration_ms = 42
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# the target runtime for each bg update
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target_background_update_duration_ms = 50000
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store = self.hs.get_datastore()
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self.get_success(
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store.db_pool.simple_insert(
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"background_updates",
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values={"update_name": "test_update", "progress_json": '{"my_key": 1}'},
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)
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)
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# first step: make a bit of progress
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async def update(progress, count):
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await self.clock.sleep((count * duration_ms) / 1000)
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progress = {"my_key": progress["my_key"] + 1}
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await store.db_pool.runInteraction(
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"update_progress",
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self.updates._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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self.update_handler.reset_mock()
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res = self.get_success(
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self.updates.do_next_background_update(
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target_background_update_duration_ms
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),
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by=0.1,
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)
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self.assertFalse(res)
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# on the first call, we should get run with the default background update size
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self.update_handler.assert_called_once_with(
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{"my_key": 1}, self.updates.DEFAULT_BACKGROUND_BATCH_SIZE
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)
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# second step: complete the update
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# we should now get run with a much bigger number of items to update
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async def update(progress, count):
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self.assertEqual(progress, {"my_key": 2})
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self.assertAlmostEqual(
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count,
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target_background_update_duration_ms / duration_ms,
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places=0,
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)
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await self.updates._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 = self.get_success(
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self.updates.do_next_background_update(target_background_update_duration_ms)
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)
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self.assertFalse(result)
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self.update_handler.assert_called_once()
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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 = self.get_success(
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self.updates.do_next_background_update(target_background_update_duration_ms)
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)
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self.assertTrue(result)
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self.assertFalse(self.update_handler.called)
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