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Cache tasks by uuid in PlayIterator for O(1) lookups

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Rather than repeatedly searching for tasks by uuid via iterating over
all known blocks, cache the tasks when they are added to the PlayIterator
so the lookup becomes a simple key check in a dict.
This commit is contained in:
James Cammarata 2016-07-25 11:36:05 -05:00
parent 125c53e691
commit 47acf55fa9
3 changed files with 25 additions and 43 deletions
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2
test/units/executor/test_play_iterator.py
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@ -329,7 +329,7 @@ class TestPlayIterator(unittest.TestCase):
# test the high-level add_tasks() method
s = HostState(blocks=[0,1,2])
itr._insert_tasks_into_state = MagicMock(return_value=s)
itr.add_tasks(hosts[0], [3,4,5])
itr.add_tasks(hosts[0], [MagicMock(), MagicMock(), MagicMock()])
self.assertEqual(itr._host_states[hosts[0].name], s)
# now actually test the lower-level method that does the work