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Viewing changes to breezy/tests/test_fifo_cache.py

  • Committer: Breezy landing bot
  • Author(s): Jelmer Vernooij
  • Date: 2018-11-16 18:59:44 UTC
  • mfrom: (7143.15.15 more-cleanups)
  • Revision ID: breezy.the.bot@gmail.com-20181116185944-biefv1sub37qfybm
Sprinkle some PEP8iness.

Merged from https://code.launchpad.net/~jelmer/brz/more-cleanups/+merge/358611

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breezy/tests/test_fifo_cache.py
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    def test_cleanup_funcs(self):
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        log = []
 
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        def logging_cleanup(key, value):
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            log.append((key, value))
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        c = fifo_cache.FIFOCache(5, 4)
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        c.add(1, 2, cleanup=logging_cleanup)
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        c.add(2, 3, cleanup=logging_cleanup)
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        c.add(3, 4, cleanup=logging_cleanup)
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        c.add(4, 5, cleanup=None) # no cleanup for 4
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        c[5] = 6 # no cleanup for 5
 
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        c.add(4, 5, cleanup=None)  # no cleanup for 4
 
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        c[5] = 6  # no cleanup for 5
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        self.assertEqual([], log)
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        # Adding another key should cleanup 1 & 2
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        c.add(6, 7, cleanup=logging_cleanup)
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    def test_cleanup_at_deconstruct(self):
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        log = []
 
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        def logging_cleanup(key, value):
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            log.append((key, value))
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        c = fifo_cache.FIFOCache()
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        self.assertEqual([(1, '2')], sorted(viewitems(c)))
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        self.assertEqual(['2'], sorted(viewvalues(c)))
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        self.assertEqual({1: '2'}, c)
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        self.assertEqual(1024*1024, c.cache_size())
 
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        self.assertEqual(1024 * 1024, c.cache_size())
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    def test_missing(self):
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        c = fifo_cache.FIFOSizeCache()
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        c[2] = 'cde'
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        c[3] = 'fghi'
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        self.assertEqual({1: 'ab', 2: 'cde', 3: 'fghi'}, c)
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        c[4] = 'jkl' # Collapse
 
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        c[4] = 'jkl'  # Collapse
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        self.assertEqual({3: 'fghi', 4: 'jkl'}, c)
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        # Replacing an item will bump it to the end of the queue
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        c[3] = 'mnop'
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    def test_adding_large_key(self):
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        c = fifo_cache.FIFOSizeCache(10, 8)
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        c[1] = 'abcdefgh' # Adding a large key won't get cached at all
 
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        c[1] = 'abcdefgh'  # Adding a large key won't get cached at all
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        self.assertEqual({}, c)
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        c[1] = 'abcdefg'
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        self.assertEqual({1: 'abcdefg'}, c)