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Viewing changes to bzrlib/tests/test__btree_serializer.py

  • Committer: John Arbash Meinel
  • Date: 2010-08-06 15:38:24 UTC
  • mto: This revision was merged to the branch mainline in revision 5390.
  • Revision ID: john@arbash-meinel.com-20100806153824-inx9xjyuzneci1qw
A __sizeof__ check that ensure we are getting what we are looking for.

It also checks that it grows appropriately for how many new entries are added.

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bzrlib/tests/test__btree_serializer.py
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            self.assertEqual(lst.index(val), offsets[val])
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        for idx, key in enumerate(leaf.all_keys()):
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            self.assertEqual(str(idx), leaf[key][0].split()[0])
 
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    def test__sizeof__(self):
 
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        # We can't use the exact numbers because of platform variations, etc.
 
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        # But what we really care about is that it does get bigger with more
 
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        # content.
 
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        leaf0 = self.module._parse_into_chk('type=leaf\n', 1, 0)
 
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        leaf1 = self.module._parse_into_chk(_one_key_content, 1, 0)
 
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        leafN = self.module._parse_into_chk(_multi_key_content, 1, 0)
 
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        sizeof_1 = leaf1.__sizeof__() - leaf0.__sizeof__()
 
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        self.assertTrue(sizeof_1 > 0)
 
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        sizeof_N = leafN.__sizeof__() - leaf0.__sizeof__()
 
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        self.assertEqual(sizeof_1 * len(leafN), sizeof_N)